ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor2104763580 <...> " scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.745513][ T30] audit: type=1400 audit(1788445680.315:63): avc: denied { siginh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.750265][ T220] sshd-session (220) used greatest stack depth: 22184 bytes left Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. execve("ci2-android-5-15/syz-executor2104763580", ["ci2-android-5-15/syz-executor2104763580"], 0x7fffbf5ba960 /* 10 vars */) = 0 brk(NULL) = 0x55555694b000 brk(0x55555694bd40) = 0x55555694bd40 arch_prctl(ARCH_SET_FS, 0x55555694b3c0) = 0 set_tid_address(0x55555694b690) = 303 set_robust_list(0x55555694b6a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-15/syz-executor2104763580", 4096) = 45 getrandom("\x94\xba\x45\x26\x94\xb1\x35\xdb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555694bd40 brk(0x55555696cd40) = 0x55555696cd40 brk(0x55555696d000) = 0x55555696d000 mprotect(0x7fe952d9d000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x55555694b6a0, 24) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 303] <... clone resumed>, child_tidptr=0x55555694b690) = 304 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 303] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 305 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x55555694b6a0, 24) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setpgid(0, 0) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 306 attached [pid 303] <... clone resumed>, child_tidptr=0x55555694b690) = 306 [pid 303] rt_sigprocmask(SIG_SETMASK, [] [pid 306] set_robust_list(0x55555694b6a0, 24 [pid 303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... set_robust_list resumed>) = 0 [pid 303] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] <... openat resumed>) = 3 [pid 303] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 [pid 305] write(1, "executing program\n", 18) = 18 executing program [pid 305] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 303] <... clone resumed>, child_tidptr=0x55555694b690) = 307 ci2-android-5-15/strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x55555694b6a0, 24) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 303] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 303] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 303] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] <... mmap resumed>) = 0x7fe952cb3000 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 308 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 303] <... clone resumed>, child_tidptr=0x55555694b690) = 309 [pid 305] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 308 attached [pid 303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] set_robust_list(0x55555694b6a0, 24 [pid 303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... set_robust_list resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] setpgid(0, 0) = 0 [pid 308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] <... clone resumed>, child_tidptr=0x55555694b690) = 310 [pid 308] <... openat resumed>) = 3 [pid 305] <... mprotect resumed>) = 0 [pid 303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] write(3, "1000", 4) = 4 [pid 308] close(3) = 0 executing program [pid 308] write(1, "executing program\n", 18) = 18 [pid 308] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 308] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[311]}, 88) = 311 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 311 attached ci2-android-5-15/strace-static-x86_64: Process 309 attached [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 312 [pid 305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 308] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x55555694b6a0, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 313 attached [pid 311] set_robust_list(0x7fe952cd39a0, 24 [pid 309] set_robust_list(0x55555694b6a0, 24 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... clone3 resumed> => {parent_tid=[313]}, 88) = 313 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] set_robust_list(0x7fe952cd39a0, 24 [pid 311] <... set_robust_list resumed>) = 0 [pid 309] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... set_robust_list resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x55555694b6a0, 24 [pid 311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... futex resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 312] <... set_robust_list resumed>) = 0 [pid 305] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] mkdirat(AT_FDCWD, "./debug", 0777 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] setpgid(0, 0) = 0 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 314 [pid 312] <... openat resumed>) = 3 [pid 312] write(3, "1000", 4) = 4 [pid 312] close(3) = 0 [pid 312] write(1, "executing program\n", 18 [pid 311] <... mkdirat resumed>) = 0 [pid 312] <... write resumed>) = 18 [pid 312] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 executing program [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 313] mkdirat(AT_FDCWD, "./debug", 0777 [pid 311] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] <... futex resumed>) = 1 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 311] mount(NULL, "./debug", "debugfs", 0, NULL [ 23.868298][ T30] audit: type=1400 audit(1788445689.445:64): avc: denied { execmem } for pid=303 comm="syz-executor210" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 313] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... clone3 resumed> => {parent_tid=[315]}, 88) = 315 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x55555694b6a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 [pid 314] write(1, "executing program\n", 18) = 18 [pid 314] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 314] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[316]}, 88) = 316 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 315] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 315] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 312] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 315] <... futex resumed>) = 1 [pid 315] mount(NULL, "./debug", "debugfs", 0, NULL) = 0 [pid 315] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 312] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 315] <... futex resumed>) = 1 [pid 315] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 315] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 312] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 312] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[317]}, 88) = 317 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 315] <... futex resumed>) = 1 [pid 315] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 315] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 315] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 316] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 316] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... futex resumed>) = 1 [pid 316] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 316] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... futex resumed>) = 1 [pid 316] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 316] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 314] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[318]}, 88) = 318 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... futex resumed>) = 1 [pid 316] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 316] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 316] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 318] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 318] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] exit_group(0) = ? [pid 316] <... futex resumed>) = ? [pid 316] +++ exited with 0 +++ [pid 318] <... futex resumed>) = ? [pid 318] +++ exited with 0 +++ [pid 314] +++ exited with 0 +++ [pid 311] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 311] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... futex resumed>) = 1 [pid 311] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 311] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 308] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[319]}, 88) = 319 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 311] <... futex resumed>) = 1 [pid 311] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 311] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 313] <... futex resumed>) = 1 [pid 313] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 320 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 320 attached [pid 320] set_robust_list(0x55555694b6a0, 24) = 0 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 320] setpgid(0, 0) = 0 [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 320] write(3, "1000", 4) = 4 [pid 320] close(3) = 0 [pid 320] write(1, "executing program\n", 18) = 18 [pid 320] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 320] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[321]}, 88) = 321 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 321] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 321] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... futex resumed>) = 1 [pid 321] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 321] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... futex resumed>) = 1 [pid 321] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 321] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 320] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[322]}, 88) = 322 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... futex resumed>) = 1 [pid 321] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 321] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program executing program [pid 321] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 317] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 317] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 312] exit_group(0 [pid 315] <... futex resumed>) = ? [pid 312] <... exit_group resumed>) = ? [pid 315] +++ exited with 0 +++ [pid 317] <... futex resumed>) = ? [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] <... futex resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 305] <... futex resumed>) = 1 [pid 313] mount(NULL, "./debug", "debugfs", 0, NULL [pid 305] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 313] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 313] <... futex resumed>) = 1 [pid 305] <... futex resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 313] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 305] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] <... futex resumed>) = 0 [pid 313] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 305] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] <... openat resumed>) = 3 [pid 313] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 323 [pid 305] <... futex resumed>) = 0 [pid 313] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... futex resumed>) = 0 [pid 313] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] <... write resumed>) = -1 ESRCH (No such process) [pid 313] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 313] <... futex resumed>) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 317] +++ exited with 0 +++ [pid 313] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 312] +++ exited with 0 +++ [pid 305] <... mmap resumed>) = 0x7fe952c92000 [pid 305] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 323 attached [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 319 attached [pid 319] set_robust_list(0x7fe952cb29a0, 24ci2-android-5-15/strace-static-x86_64: Process 322 attached [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 323] set_robust_list(0x55555694b6a0, 24 [pid 305] <... mprotect resumed>) = 0 [pid 319] <... set_robust_list resumed>) = 0 [pid 319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 319] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 319] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] exit_group(0 [pid 311] <... futex resumed>) = ? [pid 308] <... exit_group resumed>) = ? [pid 311] +++ exited with 0 +++ [pid 319] <... futex resumed>) = ? [pid 319] +++ exited with 0 +++ [pid 308] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 323] <... set_robust_list resumed>) = 0 [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 323] setpgid(0, 0) = 0 [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 323] write(3, "1000", 4) = 4 [pid 323] close(3) = 0 executing program [pid 323] write(1, "executing program\n", 18) = 18 [pid 323] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 323] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 323] <... clone3 resumed> => {parent_tid=[324]}, 88) = 324 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 325 [pid 323] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 323] <... futex resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 323] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[326]}, 88) = 326 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 322] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 322] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 320] <... futex resumed>) = 0 [pid 322] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 320] exit_group(0 [pid 322] <... futex resumed>) = ? [pid 321] <... futex resumed>) = ? [pid 320] <... exit_group resumed>) = ? [pid 322] +++ exited with 0 +++ [pid 321] +++ exited with 0 +++ [pid 320] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 327 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 327 attached [pid 327] set_robust_list(0x55555694b6a0, 24) = 0 [pid 327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 327] setpgid(0, 0) = 0 [pid 327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 327] write(3, "1000", 4) = 4 [pid 327] close(3) = 0 executing program [pid 327] write(1, "executing program\n", 18) = 18 [pid 327] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 327] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[328]}, 88) = 328 [pid 327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 327] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 328 attached [pid 328] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 328] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 328] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 324 attached ci2-android-5-15/strace-static-x86_64: Process 326 attached ci2-android-5-15/strace-static-x86_64: Process 325 attached [pid 324] set_robust_list(0x7fe952cd39a0, 24 [pid 328] <... futex resumed>) = 1 [pid 328] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 328] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 328] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 327] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[329]}, 88) = 329 [pid 327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 327] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 327] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 328] <... futex resumed>) = 1 [pid 328] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 328] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 328] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 326] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 305] <... futex resumed>) = 0 [pid 326] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] exit_group(0 [pid 326] <... futex resumed>) = ? [pid 305] <... exit_group resumed>) = ? [pid 326] +++ exited with 0 +++ [pid 325] set_robust_list(0x55555694b6a0, 24) = 0 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 325] setpgid(0, 0) = 0 [pid 325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 325] write(3, "1000", 4) = 4 [pid 325] close(3) = 0 executing program [pid 325] write(1, "executing program\n", 18) = 18 [pid 325] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 325] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 325] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[330]}, 88) = 330 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 325] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... set_robust_list resumed>) = 0 [pid 324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 324] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 324] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 323] <... futex resumed>) = 0 [pid 324] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 323] <... futex resumed>) = 0 [pid 324] mount(NULL, "./debug", "debugfs", 0, NULL [pid 323] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 324] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 323] <... futex resumed>) = 0 [pid 324] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 323] <... futex resumed>) = 0 [pid 324] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 323] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... openat resumed>) = 3 [pid 324] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 323] <... futex resumed>) = 0 [pid 324] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 323] <... futex resumed>) = 0 [pid 324] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 323] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... write resumed>) = -1 ESRCH (No such process) [pid 323] <... futex resumed>) = 0 [pid 324] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 324] <... futex resumed>) = 0 [pid 323] <... mmap resumed>) = 0x7fe952c92000 [pid 324] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[331]}, 88) = 331 [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 332 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 329 attached [ 23.905149][ T30] audit: type=1400 audit(1788445689.485:65): avc: denied { mounton } for pid=308 comm="syz-executor210" path="/root/debug" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 23.930400][ T30] audit: type=1400 audit(1788445689.485:66): avc: denied { mount } for pid=312 comm="syz-executor210" name="/" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=filesystem permissive=1 [pid 329] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 329] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] <... futex resumed>) = 0 [pid 327] exit_group(0) = ? [pid 328] <... futex resumed>) = ? [pid 328] +++ exited with 0 +++ [pid 329] <... futex resumed>) = ? [pid 329] +++ exited with 0 +++ [pid 327] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 313] <... futex resumed>) = ? [pid 313] +++ exited with 0 +++ [pid 305] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 330 attached [pid 330] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 330] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 333 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 334 [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 334 attached ci2-android-5-15/strace-static-x86_64: Process 332 attached ci2-android-5-15/strace-static-x86_64: Process 333 attached ci2-android-5-15/strace-static-x86_64: Process 331 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 334] set_robust_list(0x55555694b6a0, 24 [pid 333] set_robust_list(0x55555694b6a0, 24 [pid 332] set_robust_list(0x55555694b6a0, 24 [pid 331] set_robust_list(0x7fe952cb29a0, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 334] <... set_robust_list resumed>) = 0 [pid 333] <... set_robust_list resumed>) = 0 [pid 332] <... set_robust_list resumed>) = 0 [pid 331] <... set_robust_list resumed>) = 0 [pid 334] rt_sigprocmask(SIG_SETMASK, [] [pid 332] rt_sigprocmask(SIG_SETMASK, [] [pid 333] rt_sigprocmask(SIG_SETMASK, [] [pid 331] rt_sigprocmask(SIG_SETMASK, [] [pid 330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 331] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 330] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 330] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] <... futex resumed>) = 0 [pid 334] <... prctl resumed>) = 0 [pid 333] <... prctl resumed>) = 0 [pid 332] <... prctl resumed>) = 0 [pid 331] <... openat resumed>) = 4 [pid 325] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] setpgid(0, 0 [pid 333] setpgid(0, 0 [pid 332] setpgid(0, 0 [pid 331] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] <... futex resumed>) = 0 [pid 334] <... setpgid resumed>) = 0 [pid 333] <... setpgid resumed>) = 0 [pid 332] <... setpgid resumed>) = 0 [pid 331] <... futex resumed>) = 1 [pid 325] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 323] <... futex resumed>) = 0 [pid 334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 331] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] exit_group(0 [pid 330] <... futex resumed>) = 1 [pid 334] <... openat resumed>) = 3 [pid 324] <... futex resumed>) = ? [pid 323] <... exit_group resumed>) = ? [pid 332] <... openat resumed>) = 3 [pid 324] +++ exited with 0 +++ [pid 333] <... openat resumed>) = 3 [pid 332] write(3, "1000", 4 [pid 331] <... futex resumed>) = ? [pid 334] write(3, "1000", 4 [pid 333] write(3, "1000", 4 [pid 332] <... write resumed>) = 4 [pid 330] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 330] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] <... futex resumed>) = 0 [pid 325] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 325] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 331] +++ exited with 0 +++ [pid 323] +++ exited with 0 +++ [pid 332] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 334] <... write resumed>) = 4 [pid 333] <... write resumed>) = 4 [pid 332] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 334] close(3 [pid 333] close(3 executing program [pid 332] write(1, "executing program\n", 18 [pid 334] <... close resumed>) = 0 [pid 333] <... close resumed>) = 0 [pid 332] <... write resumed>) = 18 [pid 334] write(1, "executing program\n", 18 [pid 333] write(1, "executing program\n", 18 [pid 332] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... write resumed>) = 18 executing program executing program [pid 333] <... write resumed>) = 18 [pid 332] <... futex resumed>) = 0 [pid 334] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 333] <... futex resumed>) = 0 [pid 332] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 334] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 333] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 332] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 334] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 333] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 334] <... mmap resumed>) = 0x7fe952cb3000 [pid 332] <... mmap resumed>) = 0x7fe952cb3000 [pid 334] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 333] <... mmap resumed>) = 0x7fe952cb3000 [pid 332] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 334] <... mprotect resumed>) = 0 [pid 333] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 332] <... mprotect resumed>) = 0 [pid 330] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 334] rt_sigprocmask(SIG_BLOCK, ~[] [pid 333] <... mprotect resumed>) = 0 [pid 334] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 332] rt_sigprocmask(SIG_BLOCK, ~[] [pid 333] rt_sigprocmask(SIG_BLOCK, ~[] [pid 334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 333] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 332] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 330] <... openat resumed>) = 3 [pid 334] <... clone3 resumed> => {parent_tid=[335]}, 88) = 335 [pid 330] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] <... futex resumed>) = 0 [pid 334] rt_sigprocmask(SIG_SETMASK, [] [pid 333] <... clone3 resumed> => {parent_tid=[336]}, 88) = 336 [pid 332] <... clone3 resumed> => {parent_tid=[337]}, 88) = 337 [pid 325] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 333] rt_sigprocmask(SIG_SETMASK, [] [pid 332] rt_sigprocmask(SIG_SETMASK, [] [pid 330] <... futex resumed>) = 1 [pid 325] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 337 attached ci2-android-5-15/strace-static-x86_64: Process 335 attached [pid 334] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 330] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 325] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 330] <... write resumed>) = -1 ESRCH (No such process) [pid 325] <... futex resumed>) = 0 [pid 330] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 337] set_robust_list(0x7fe952cd39a0, 24 [pid 335] set_robust_list(0x7fe952cd39a0, 24 [pid 334] <... futex resumed>) = 0 [pid 333] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 330] <... futex resumed>) = 0 [pid 325] <... mmap resumed>) = 0x7fe952c92000 [pid 334] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] <... futex resumed>) = 0 [pid 332] <... futex resumed>) = 0 [pid 325] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 337] <... set_robust_list resumed>) = 0 [pid 335] <... set_robust_list resumed>) = 0 [pid 333] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 325] <... mprotect resumed>) = 0 [pid 325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 337] rt_sigprocmask(SIG_SETMASK, [] [pid 335] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 336 attached [pid 325] <... clone3 resumed> => {parent_tid=[338]}, 88) = 338 [pid 337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 336] set_robust_list(0x7fe952cd39a0, 24 [pid 335] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 336] <... set_robust_list resumed>) = 0 [pid 325] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 336] rt_sigprocmask(SIG_SETMASK, [] [pid 325] <... futex resumed>) = 0 [pid 336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 325] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 337] mkdirat(AT_FDCWD, "./debug", 0777 [pid 335] mkdirat(AT_FDCWD, "./debug", 0777 [pid 336] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 336] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 333] <... futex resumed>) = 0 [pid 335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 333] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 333] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] <... futex resumed>) = 1 [pid 336] mount(NULL, "./debug", "debugfs", 0, NULL [pid 337] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 336] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 335] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 336] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] <... futex resumed>) = 0 [pid 333] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 333] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] <... futex resumed>) = 1 [pid 336] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 337] <... futex resumed>) = 1 [pid 335] <... futex resumed>) = 1 [pid 334] <... futex resumed>) = 0 [pid 332] <... futex resumed>) = 0 [pid 337] mount(NULL, "./debug", "debugfs", 0, NULL [pid 335] mount(NULL, "./debug", "debugfs", 0, NULL [pid 334] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 337] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 336] <... openat resumed>) = 3 [pid 335] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 334] <... futex resumed>) = 0 [pid 332] <... futex resumed>) = 0 [pid 337] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 336] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 337] <... futex resumed>) = 0 [pid 336] <... futex resumed>) = 1 [pid 333] <... futex resumed>) = 0 [pid 332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 336] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 333] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 337] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 336] <... write resumed>) = -1 ESRCH (No such process) [pid 333] <... futex resumed>) = 0 [pid 332] <... futex resumed>) = 0 [pid 336] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... restart_syscall resumed>) = 0 [pid 337] <... openat resumed>) = 3 [pid 336] <... futex resumed>) = 0 [pid 333] <... futex resumed>) = 0 [pid 337] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 336] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 335] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 337] <... futex resumed>) = 1 [pid 335] <... futex resumed>) = 1 [pid 334] <... futex resumed>) = 0 [pid 333] <... mmap resumed>) = 0x7fe952c92000 [pid 332] <... futex resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 337] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 335] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 334] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 332] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 335] <... openat resumed>) = 3 [pid 334] <... futex resumed>) = 0 [pid 333] <... mprotect resumed>) = 0 [pid 332] <... futex resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 337] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 335] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] rt_sigprocmask(SIG_BLOCK, ~[] [pid 332] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 332] <... futex resumed>) = 0 [pid 337] <... write resumed>) = -1 ESRCH (No such process) [pid 335] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 338 attached [pid 334] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] <... clone3 resumed> => {parent_tid=[339]}, 88) = 339 [pid 332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 340 [pid 337] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 334] <... futex resumed>) = 0 [pid 333] rt_sigprocmask(SIG_SETMASK, [] [pid 332] <... mmap resumed>) = 0x7fe952c92000 [pid 337] <... futex resumed>) = 0 [pid 335] <... write resumed>) = -1 ESRCH (No such process) [pid 334] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 332] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 337] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 335] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... futex resumed>) = 0 [pid 333] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... mprotect resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 338] set_robust_list(0x7fe952cb29a0, 24 [pid 335] <... futex resumed>) = 0 [pid 334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 333] <... futex resumed>) = 0 [pid 332] rt_sigprocmask(SIG_BLOCK, ~[] [pid 335] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 334] <... mmap resumed>) = 0x7fe952c92000 [pid 333] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 332] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 338] <... set_robust_list resumed>) = 0 [pid 334] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 334] <... mprotect resumed>) = 0 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 334] rt_sigprocmask(SIG_BLOCK, ~[] [pid 332] <... clone3 resumed> => {parent_tid=[341]}, 88) = 341 [pid 334] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 332] rt_sigprocmask(SIG_SETMASK, [] [pid 334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 338] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTYci2-android-5-15/strace-static-x86_64: Process 341 attached ) = 4 [pid 332] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 334] <... clone3 resumed> => {parent_tid=[342]}, 88) = 342 [pid 332] <... futex resumed>) = 0 [pid 334] rt_sigprocmask(SIG_SETMASK, [] [pid 332] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 340 attached [pid 338] <... futex resumed>) = 1 [pid 334] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 325] <... futex resumed>) = 0 [pid 341] set_robust_list(0x7fe952cb29a0, 24 [pid 334] <... futex resumed>) = 0 [pid 325] exit_group(0 [pid 334] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 325] <... exit_group resumed>) = ? [pid 330] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 340] set_robust_list(0x55555694b6a0, 24 [pid 330] +++ exited with 0 +++ [pid 341] <... set_robust_list resumed>) = 0 [pid 340] <... set_robust_list resumed>) = 0 [pid 338] +++ exited with 0 +++ [pid 325] +++ exited with 0 +++ [pid 340] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 340] setpgid(0, 0 [pid 341] rt_sigprocmask(SIG_SETMASK, [] [pid 340] <... setpgid resumed>) = 0 [pid 340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 341] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 340] <... openat resumed>) = 3 [pid 340] write(3, "1000", 4) = 4 [pid 340] close(3) = 0 [pid 340] write(1, "executing program\n", 18) = 18 executing program [pid 340] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTYci2-android-5-15/strace-static-x86_64: Process 339 attached [pid 340] <... futex resumed>) = 0 [pid 340] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 339] set_robust_list(0x7fe952cb29a0, 24 [pid 340] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 339] <... set_robust_list resumed>) = 0 [pid 341] <... openat resumed>) = 4 [pid 340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 339] rt_sigprocmask(SIG_SETMASK, [] [pid 340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 339] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 341] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 340] <... mmap resumed>) = 0x7fe952cb3000 [pid 339] <... openat resumed>) = 4 [pid 332] <... futex resumed>) = 0 [pid 340] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 339] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] exit_group(0 [pid 340] <... mprotect resumed>) = 0 [pid 339] <... futex resumed>) = 1 [pid 337] <... futex resumed>) = ? [pid 333] <... futex resumed>) = 0 [pid 332] <... exit_group resumed>) = ? [pid 340] rt_sigprocmask(SIG_BLOCK, ~[] [pid 339] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 337] +++ exited with 0 +++ [pid 333] exit_group(0 [pid 340] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 339] <... futex resumed>) = ? [pid 336] <... futex resumed>) = ? [pid 333] <... exit_group resumed>) = ? [pid 340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 339] +++ exited with 0 +++ [pid 336] +++ exited with 0 +++ [pid 333] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 342 attached [pid 342] set_robust_list(0x7fe952cb29a0, 24 [pid 340] <... clone3 resumed> => {parent_tid=[343]}, 88) = 343 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 342] <... set_robust_list resumed>) = 0 [pid 340] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 342] rt_sigprocmask(SIG_SETMASK, [] [pid 340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 342] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 340] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 344 attached [pid 342] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 341] +++ exited with 0 +++ [pid 340] <... futex resumed>) = 0 [pid 332] +++ exited with 0 +++ [pid 344] set_robust_list(0x55555694b6a0, 24 [pid 342] <... openat resumed>) = 4 [pid 340] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 344 [pid 342] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 342] <... futex resumed>) = 1 [pid 334] <... futex resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 342] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 334] exit_group(0 [pid 342] <... futex resumed>) = ? [pid 335] <... futex resumed>) = ? [pid 334] <... exit_group resumed>) = ? [pid 335] +++ exited with 0 +++ [pid 342] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 343 attached [pid 343] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 343] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 343] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 340] <... futex resumed>) = 0 [pid 340] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 340] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 334] +++ exited with 0 +++ [pid 343] <... futex resumed>) = 1 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 343] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 343] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 340] <... futex resumed>) = 0 [pid 340] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 340] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 345 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 343] <... futex resumed>) = 1 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 343] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 343] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 340] <... futex resumed>) = 0 [pid 340] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 340] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 346 [pid 340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 340] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 340] <... mprotect resumed>) = 0 [pid 340] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 344] <... set_robust_list resumed>) = 0 [pid 340] <... clone3 resumed> => {parent_tid=[347]}, 88) = 347 ci2-android-5-15/strace-static-x86_64: Process 345 attached [pid 340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 340] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 340] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 344] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 347 attached [pid 345] set_robust_list(0x55555694b6a0, 24 [pid 343] <... futex resumed>) = 1 [pid 343] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 347] set_robust_list(0x7fe952cb29a0, 24 [pid 345] <... set_robust_list resumed>) = 0 [pid 344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 343] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 343] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 346 attached [pid 346] set_robust_list(0x55555694b6a0, 24) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 347] <... set_robust_list resumed>) = 0 [pid 346] rt_sigprocmask(SIG_SETMASK, [] [pid 345] rt_sigprocmask(SIG_SETMASK, [] [pid 344] <... prctl resumed>) = 0 [pid 346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 346] setpgid(0, 0 [pid 344] setpgid(0, 0 [pid 346] <... setpgid resumed>) = 0 [pid 344] <... setpgid resumed>) = 0 [pid 347] rt_sigprocmask(SIG_SETMASK, [] [pid 345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 346] <... openat resumed>) = 3 [pid 345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 346] write(3, "1000", 4) = 4 [pid 346] close(3) = 0 [pid 346] write(1, "executing program\n", 18 [pid 347] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 345] <... prctl resumed>) = 0 [pid 344] <... openat resumed>) = 3 [pid 346] <... write resumed>) = 18 [pid 344] write(3, "1000", 4 [pid 346] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... write resumed>) = 4 [pid 346] <... futex resumed>) = 0 [pid 345] setpgid(0, 0 [pid 344] close(3 [pid 347] <... openat resumed>) = 4 [pid 345] <... setpgid resumed>) = 0 [pid 344] <... close resumed>) = 0 [pid 346] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 344] write(1, "executing program\n", 18 executing program executing program [pid 347] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 344] <... write resumed>) = 18 [pid 346] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 344] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 344] <... futex resumed>) = 0 [pid 347] <... futex resumed>) = 1 [pid 345] <... openat resumed>) = 3 [pid 344] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 340] <... futex resumed>) = 0 [pid 347] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 345] write(3, "1000", 4 [pid 344] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 340] exit_group(0 [pid 347] <... futex resumed>) = ? [pid 345] <... write resumed>) = 4 [pid 344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 343] <... futex resumed>) = ? [pid 340] <... exit_group resumed>) = ? [pid 347] +++ exited with 0 +++ [pid 345] close(3 [pid 344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 343] +++ exited with 0 +++ [pid 340] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 345] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 345] write(1, "executing program\n", 18 [pid 344] <... mmap resumed>) = 0x7fe952cb3000 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 345] <... write resumed>) = 18 [pid 344] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 344] <... mprotect resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 345] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... mmap resumed>) = 0x7fe952cb3000 [pid 346] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 348 [pid 345] <... futex resumed>) = 0 [pid 346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 345] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 344] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 345] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 346] <... clone3 resumed> => {parent_tid=[350]}, 88) = 350 [pid 345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 344] <... clone3 resumed> => {parent_tid=[349]}, 88) = 349 [pid 346] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 349 attached [pid 345] <... mmap resumed>) = 0x7fe952cb3000 [pid 344] rt_sigprocmask(SIG_SETMASK, [] [pid 346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 345] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 346] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] <... mprotect resumed>) = 0 [pid 344] <... futex resumed>) = 0 [pid 346] <... futex resumed>) = 0 [pid 345] rt_sigprocmask(SIG_BLOCK, ~[] [pid 344] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 346] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 348 attached [pid 349] set_robust_list(0x7fe952cd39a0, 24 [pid 345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 348] set_robust_list(0x55555694b6a0, 24) = 0 [pid 348] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 345] <... clone3 resumed> => {parent_tid=[351]}, 88) = 351 [pid 348] <... prctl resumed>) = 0 [pid 345] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 351 attached [pid 349] <... set_robust_list resumed>) = 0 [pid 345] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 348] setpgid(0, 0 [pid 345] <... futex resumed>) = 0 [pid 348] <... setpgid resumed>) = 0 [pid 348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 345] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] write(3, "1000", 4) = 4 [pid 348] close(3) = 0 [pid 348] write(1, "executing program\n", 18) = 18 executing program [pid 348] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] set_robust_list(0x7fe952cd39a0, 24 [pid 349] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 352 ci2-android-5-15/strace-static-x86_64: Process 350 attached [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 350] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 350] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 351] <... set_robust_list resumed>) = 0 [pid 349] mkdirat(AT_FDCWD, "./debug", 0777 [pid 348] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 350] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 346] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 346] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 350] <... futex resumed>) = 1 [pid 350] mount(NULL, "./debug", "debugfs", 0, NULL [pid 349] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 351] rt_sigprocmask(SIG_SETMASK, [] [pid 350] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 349] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 350] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 349] <... futex resumed>) = 1 [pid 348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 346] <... futex resumed>) = 0 [pid 344] <... futex resumed>) = 0 [pid 346] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 349] mount(NULL, "./debug", "debugfs", 0, NULL [pid 346] <... futex resumed>) = 0 [pid 344] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 344] <... futex resumed>) = 0 [pid 349] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 344] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 350] <... futex resumed>) = 1 [pid 349] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 351] mkdirat(AT_FDCWD, "./debug", 0777 [pid 349] <... futex resumed>) = 1 [pid 348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 344] <... futex resumed>) = 0 [pid 350] <... openat resumed>) = 3 [pid 349] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 344] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 349] <... openat resumed>) = 3 [pid 344] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 350] <... futex resumed>) = 1 [pid 349] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 0 [pid 350] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 346] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... write resumed>) = -1 ESRCH (No such process) [pid 346] <... futex resumed>) = 0 [pid 350] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... futex resumed>) = 0 [pid 349] <... futex resumed>) = 1 [pid 351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 346] <... futex resumed>) = 0 [pid 344] <... futex resumed>) = 0 [pid 351] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 349] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 348] <... mmap resumed>) = 0x7fe952cb3000 ci2-android-5-15/strace-static-x86_64: Process 352 attached [pid 352] set_robust_list(0x55555694b6a0, 24) = 0 [pid 352] rt_sigprocmask(SIG_SETMASK, [] [pid 349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 344] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 349] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 346] <... mmap resumed>) = 0x7fe952c92000 [pid 344] <... futex resumed>) = 0 [pid 349] <... write resumed>) = -1 ESRCH (No such process) [pid 346] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 344] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 349] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 349] <... futex resumed>) = 0 [pid 346] <... mprotect resumed>) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 349] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 346] rt_sigprocmask(SIG_BLOCK, ~[] [pid 344] <... mmap resumed>) = 0x7fe952c92000 [pid 346] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 344] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 344] <... mprotect resumed>) = 0 [pid 352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[] [pid 352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 344] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 346] <... clone3 resumed> => {parent_tid=[353]}, 88) = 353 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 346] rt_sigprocmask(SIG_SETMASK, [] [pid 352] <... prctl resumed>) = 0 [pid 346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 346] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... clone3 resumed> => {parent_tid=[354]}, 88) = 354 [pid 346] <... futex resumed>) = 0 [pid 344] rt_sigprocmask(SIG_SETMASK, [] [pid 346] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 352] setpgid(0, 0 [pid 344] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 344] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] <... futex resumed>) = 1 [pid 348] <... mprotect resumed>) = 0 [pid 345] <... futex resumed>) = 0 [pid 345] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 354 attached ci2-android-5-15/strace-static-x86_64: Process 353 attached [pid 352] <... setpgid resumed>) = 0 [pid 351] mount(NULL, "./debug", "debugfs", 0, NULL [pid 348] rt_sigprocmask(SIG_BLOCK, ~[] [pid 345] <... futex resumed>) = 0 [pid 345] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 351] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 352] <... openat resumed>) = 3 [pid 352] write(3, "1000", 4 [pid 351] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 352] <... write resumed>) = 4 [pid 352] close(3) = 0 [pid 351] <... futex resumed>) = 1 [pid 348] <... clone3 resumed> => {parent_tid=[355]}, 88) = 355 [pid 345] <... futex resumed>) = 0 [pid 352] write(1, "executing program\n", 18 [pid 351] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 348] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 345] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 352] <... write resumed>) = 18 [pid 351] <... openat resumed>) = 3 [pid 348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 345] <... futex resumed>) = 0 [pid 352] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] <... futex resumed>) = 0 [pid 351] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 352] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 351] <... futex resumed>) = 0 [pid 345] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 352] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 351] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 348] <... futex resumed>) = 0 [pid 345] <... futex resumed>) = 0 [pid 352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 345] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 351] <... write resumed>) = -1 ESRCH (No such process) [pid 348] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 0 [pid 352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 352] <... mmap resumed>) = 0x7fe952cb3000 [pid 351] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] <... mmap resumed>) = 0x7fe952c92000 [pid 352] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 351] <... futex resumed>) = 0 [pid 345] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 352] <... mprotect resumed>) = 0 [pid 351] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 345] <... mprotect resumed>) = 0 [pid 352] rt_sigprocmask(SIG_BLOCK, ~[] [pid 345] rt_sigprocmask(SIG_BLOCK, ~[] [pid 352] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 345] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 354] set_robust_list(0x7fe952cb29a0, 24 [pid 353] set_robust_list(0x7fe952cb29a0, 24 [pid 345] <... clone3 resumed> => {parent_tid=[356]}, 88) = 356 [pid 352] <... clone3 resumed> => {parent_tid=[357]}, 88) = 357 [pid 345] rt_sigprocmask(SIG_SETMASK, [] [pid 352] rt_sigprocmask(SIG_SETMASK, [] [pid 345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 345] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 352] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] <... futex resumed>) = 0 [pid 352] <... futex resumed>) = 0 [pid 345] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 354] <... set_robust_list resumed>) = 0 [pid 353] <... set_robust_list resumed>) = 0 [pid 354] rt_sigprocmask(SIG_SETMASK, [] [pid 353] rt_sigprocmask(SIG_SETMASK, [] [pid 354] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 353] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 354] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 353] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 354] <... openat resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 355 attached ci2-android-5-15/strace-static-x86_64: Process 357 attached ci2-android-5-15/strace-static-x86_64: Process 356 attached [pid 354] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... openat resumed>) = 4 [pid 354] <... futex resumed>) = 1 [pid 344] <... futex resumed>) = 0 [pid 357] set_robust_list(0x7fe952cd39a0, 24 [pid 356] set_robust_list(0x7fe952cb29a0, 24 [pid 355] set_robust_list(0x7fe952cd39a0, 24 [pid 354] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 353] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] exit_group(0 [pid 357] <... set_robust_list resumed>) = 0 [pid 356] <... set_robust_list resumed>) = 0 [pid 355] <... set_robust_list resumed>) = 0 [pid 354] <... futex resumed>) = ? [pid 353] <... futex resumed>) = 1 [pid 349] <... futex resumed>) = ? [pid 346] <... futex resumed>) = 0 [pid 344] <... exit_group resumed>) = ? [pid 357] rt_sigprocmask(SIG_SETMASK, [] [pid 356] rt_sigprocmask(SIG_SETMASK, [] [pid 355] rt_sigprocmask(SIG_SETMASK, [] [pid 354] +++ exited with 0 +++ [pid 353] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 349] +++ exited with 0 +++ [pid 346] exit_group(0 [pid 357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 356] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 344] +++ exited with 0 +++ [pid 353] <... futex resumed>) = ? [pid 350] <... futex resumed>) = ? [pid 346] <... exit_group resumed>) = ? [pid 357] mkdirat(AT_FDCWD, "./debug", 0777 [pid 356] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 355] mkdirat(AT_FDCWD, "./debug", 0777 [pid 353] +++ exited with 0 +++ [pid 350] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 356] <... openat resumed>) = 4 [pid 355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 346] +++ exited with 0 +++ [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 357] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 355] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = 1 [pid 356] <... futex resumed>) = 1 [pid 355] <... futex resumed>) = 1 [pid 352] <... futex resumed>) = 0 [pid 348] <... futex resumed>) = 0 [pid 345] <... futex resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 357] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 356] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 355] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 352] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 352] <... futex resumed>) = 0 [pid 348] <... futex resumed>) = 0 [pid 345] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 357] mount(NULL, "./debug", "debugfs", 0, NULL [pid 356] <... futex resumed>) = ? [ 23.953136][ T30] audit: type=1400 audit(1788445689.495:67): avc: denied { mounton } for pid=314 comm="syz-executor210" path="/root/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [pid 355] mount(NULL, "./debug", "debugfs", 0, NULL [pid 352] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] <... futex resumed>) = ? [pid 348] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... exit_group resumed>) = ? [pid 357] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 356] +++ exited with 0 +++ [pid 355] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 351] +++ exited with 0 +++ [pid 357] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 355] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] +++ exited with 0 +++ [pid 357] <... futex resumed>) = 1 [pid 355] <... futex resumed>) = 1 [pid 352] <... futex resumed>) = 0 [pid 348] <... futex resumed>) = 0 [pid 357] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 355] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 352] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 352] <... futex resumed>) = 0 [pid 348] <... futex resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 357] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 355] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 352] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 357] <... openat resumed>) = 3 [pid 355] <... openat resumed>) = 3 [pid 357] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 355] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = 1 [pid 355] <... futex resumed>) = 1 [pid 352] <... futex resumed>) = 0 [pid 348] <... futex resumed>) = 0 [pid 357] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 355] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 352] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 352] <... futex resumed>) = 0 [pid 348] <... futex resumed>) = 0 [pid 357] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 355] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 352] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... write resumed>) = -1 ESRCH (No such process) [pid 355] <... write resumed>) = -1 ESRCH (No such process) [pid 352] <... futex resumed>) = 0 [pid 348] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 357] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 355] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 357] <... futex resumed>) = 0 [pid 355] <... futex resumed>) = 0 [pid 352] <... mmap resumed>) = 0x7fe952c92000 [pid 348] <... mmap resumed>) = 0x7fe952c92000 [pid 357] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 355] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 352] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 348] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 352] <... mprotect resumed>) = 0 [pid 348] <... mprotect resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 352] rt_sigprocmask(SIG_BLOCK, ~[] [pid 348] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 352] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 348] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 358 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 352] <... clone3 resumed> => {parent_tid=[359]}, 88) = 359 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 352] rt_sigprocmask(SIG_SETMASK, [] [pid 348] <... clone3 resumed> => {parent_tid=[360]}, 88) = 360 [pid 352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 348] rt_sigprocmask(SIG_SETMASK, [] [pid 352] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 352] <... futex resumed>) = 0 [pid 348] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 352] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 348] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 360 attached [pid 360] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 360] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 361 [pid 360] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 360] <... futex resumed>) = 1 [pid 360] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 361 attached [pid 361] set_robust_list(0x55555694b6a0, 24 [pid 348] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 362 [pid 361] <... set_robust_list resumed>) = 0 [pid 348] exit_group(0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 355] <... futex resumed>) = ? [pid 348] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 355] +++ exited with 0 +++ [pid 361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 361] setpgid(0, 0) = 0 ci2-android-5-15/strace-static-x86_64: Process 359 attached ci2-android-5-15/strace-static-x86_64: Process 358 attached [pid 360] <... futex resumed>) = ? [pid 361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 361] write(3, "1000", 4) = 4 [pid 361] close(3) = 0 [pid 361] write(1, "executing program\n", 18) = 18 executing program [pid 361] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 361] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 360] +++ exited with 0 +++ [pid 348] +++ exited with 0 +++ [pid 361] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 358] set_robust_list(0x55555694b6a0, 24 [pid 361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 361] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 358] <... set_robust_list resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 359] set_robust_list(0x7fe952cb29a0, 24 [pid 361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[363]}, 88) = 363 [pid 361] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 363 attached , NULL, 8) = 0 [pid 359] <... set_robust_list resumed>) = 0 [pid 358] rt_sigprocmask(SIG_SETMASK, [] [pid 361] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] set_robust_list(0x7fe952cd39a0, 24 [pid 359] rt_sigprocmask(SIG_SETMASK, [] [pid 358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 361] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 362 attached [pid 362] set_robust_list(0x55555694b6a0, 24 [pid 363] <... set_robust_list resumed>) = 0 [pid 362] <... set_robust_list resumed>) = 0 [pid 359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 362] rt_sigprocmask(SIG_SETMASK, [] [pid 358] <... prctl resumed>) = 0 [pid 363] rt_sigprocmask(SIG_SETMASK, [] [pid 359] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 358] setpgid(0, 0 [pid 362] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 358] <... setpgid resumed>) = 0 [pid 362] <... prctl resumed>) = 0 [pid 362] setpgid(0, 0 [pid 358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 362] <... setpgid resumed>) = 0 [pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 362] write(3, "1000", 4) = 4 [pid 362] close(3) = 0 [pid 362] write(1, "executing program\n", 18) = 18 [pid 362] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 358] <... openat resumed>) = 3 executing program [pid 310] <... restart_syscall resumed>) = 0 [pid 362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 362] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 358] write(3, "1000", 4 [pid 363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 359] <... openat resumed>) = 4 [pid 362] rt_sigprocmask(SIG_BLOCK, ~[] [pid 363] mkdirat(AT_FDCWD, "./debug", 0777 [pid 359] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 362] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 358] close(3 [pid 359] <... futex resumed>) = 1 [pid 352] <... futex resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 352] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 358] <... close resumed>) = 0 [pid 357] <... futex resumed>) = ? [pid 352] <... exit_group resumed>) = ? [pid 357] +++ exited with 0 +++ [pid 362] <... clone3 resumed> => {parent_tid=[364]}, 88) = 364 [pid 358] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 365 [pid 362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 362] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 362] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 358] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 358] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 365 attached [pid 365] set_robust_list(0x55555694b6a0, 24) = 0 [pid 365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 365] setpgid(0, 0) = 0 [pid 358] <... futex resumed>) = 0 [pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 359] +++ exited with 0 +++ [pid 358] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 352] +++ exited with 0 +++ [pid 358] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 358] <... mmap resumed>) = 0x7fe952cb3000 [pid 358] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 365] <... openat resumed>) = 3 [pid 358] <... mprotect resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 365] write(3, "1000", 4 [pid 358] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 358] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 365] <... write resumed>) = 4 [pid 365] close(3) = 0 [pid 365] write(1, "executing program\n", 18) = 18 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 366 [pid 358] <... clone3 resumed> => {parent_tid=[367]}, 88) = 367 [pid 365] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 358] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 365] <... futex resumed>) = 0 [pid 358] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 358] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 365] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0}ci2-android-5-15/strace-static-x86_64: Process 367 attached => {parent_tid=[368]}, 88) = 368 [pid 363] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 365] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 364 attached ci2-android-5-15/strace-static-x86_64: Process 368 attached ci2-android-5-15/strace-static-x86_64: Process 366 attached [pid 367] set_robust_list(0x7fe952cd39a0, 24 [pid 364] set_robust_list(0x7fe952cd39a0, 24 [pid 363] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 364] <... set_robust_list resumed>) = 0 [pid 364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 364] mkdirat(AT_FDCWD, "./debug", 0777 [pid 363] <... futex resumed>) = 1 [pid 367] <... set_robust_list resumed>) = 0 [pid 361] <... futex resumed>) = 0 [pid 361] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 361] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 364] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 364] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 362] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 364] <... futex resumed>) = 1 [pid 367] rt_sigprocmask(SIG_SETMASK, [] [pid 363] mount(NULL, "./debug", "debugfs", 0, NULL [pid 368] set_robust_list(0x7fe952cd39a0, 24 [pid 367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 366] set_robust_list(0x55555694b6a0, 24 [pid 363] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 364] mount(NULL, "./debug", "debugfs", 0, NULL [pid 368] <... set_robust_list resumed>) = 0 [pid 367] mkdirat(AT_FDCWD, "./debug", 0777 [pid 366] <... set_robust_list resumed>) = 0 [pid 364] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 363] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 364] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 362] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] rt_sigprocmask(SIG_SETMASK, [] [pid 367] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 366] rt_sigprocmask(SIG_SETMASK, [] [pid 363] <... futex resumed>) = 1 [pid 361] <... futex resumed>) = 0 [pid 361] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 367] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 363] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 361] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 364] <... futex resumed>) = 1 [pid 364] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 364] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... openat resumed>) = 3 [pid 368] mkdirat(AT_FDCWD, "./debug", 0777 [pid 367] <... futex resumed>) = 1 [pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 358] <... futex resumed>) = 0 [pid 363] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 358] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 362] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 363] <... futex resumed>) = 1 [pid 361] <... futex resumed>) = 0 [pid 358] <... futex resumed>) = 0 [pid 362] <... clone3 resumed> => {parent_tid=[369]}, 88) = 369 [pid 361] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 363] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 362] rt_sigprocmask(SIG_SETMASK, [] [pid 361] <... futex resumed>) = 0 [pid 362] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 361] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 361] <... futex resumed>) = 0 [pid 362] <... futex resumed>) = 0 [pid 361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 362] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 361] <... mmap resumed>) = 0x7fe952c92000 [pid 361] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 370 attached [pid 368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 367] mount(NULL, "./debug", "debugfs", 0, NULL [pid 366] <... prctl resumed>) = 0 [pid 363] <... write resumed>) = -1 ESRCH (No such process) [pid 363] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 361] <... clone3 resumed> => {parent_tid=[370]}, 88) = 370 [pid 367] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 366] setpgid(0, 0 [pid 363] <... futex resumed>) = 0 [pid 361] rt_sigprocmask(SIG_SETMASK, [] [pid 367] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... setpgid resumed>) = 0 [pid 363] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 361] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 367] <... futex resumed>) = 1 [pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 361] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] <... futex resumed>) = 0 [pid 361] <... futex resumed>) = 0 [pid 358] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 361] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 358] <... futex resumed>) = 0 [pid 366] <... openat resumed>) = 3 [pid 358] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] <... openat resumed>) = 3 [pid 366] write(3, "1000", 4 [pid 364] <... futex resumed>) = 1 [pid 364] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 370] set_robust_list(0x7fe952cb29a0, 24 [pid 368] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... write resumed>) = 4 [pid 364] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 364] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 369 attached [pid 369] set_robust_list(0x7fe952cb29a0, 24 [pid 367] <... futex resumed>) = 1 [pid 366] close(3 [pid 358] <... futex resumed>) = 0 [pid 367] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 366] <... close resumed>) = 0 [pid 358] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 368] <... futex resumed>) = 1 [pid 368] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 367] <... write resumed>) = -1 ESRCH (No such process) [pid 366] write(1, "executing program\n", 18 [pid 358] <... futex resumed>) = 0 [pid 367] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 358] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... futex resumed>) = 0 [pid 366] <... write resumed>) = 18 [pid 358] <... futex resumed>) = 0 [pid 367] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 358] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 366] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... futex resumed>) = 0 [pid 367] <... openat resumed>) = 4 [pid 366] <... futex resumed>) = 0 [pid 365] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... futex resumed>) = 1 [pid 367] <... futex resumed>) = 1 [pid 366] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 365] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] <... futex resumed>) = 0 [pid 358] <... futex resumed>) = 0 [pid 367] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 369] <... set_robust_list resumed>) = 0 [pid 358] exit_group(0 [pid 368] mount(NULL, "./debug", "debugfs", 0, NULL [pid 366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 367] <... futex resumed>) = ? [pid 366] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 358] <... exit_group resumed>) = ? [pid 368] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 367] +++ exited with 0 +++ [pid 369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 369] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 369] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 358] +++ exited with 0 +++ [pid 368] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 362] exit_group(0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 368] <... futex resumed>) = 1 [pid 366] <... mmap resumed>) = 0x7fe952cb3000 [pid 365] <... futex resumed>) = 0 [pid 362] <... exit_group resumed>) = ? [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 370] <... set_robust_list resumed>) = 0 [pid 368] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 365] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 364] <... futex resumed>) = ? [pid 366] <... mprotect resumed>) = 0 [pid 365] <... futex resumed>) = 0 [pid 368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 366] rt_sigprocmask(SIG_BLOCK, ~[] [pid 365] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 368] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 366] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 368] <... openat resumed>) = 3 [pid 366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 364] +++ exited with 0 +++ [pid 369] <... futex resumed>) = ? [pid 368] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... clone3 resumed> => {parent_tid=[371]}, 88) = 371 [pid 366] rt_sigprocmask(SIG_SETMASK, [] [pid 368] <... futex resumed>) = 1 [pid 366] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 365] <... futex resumed>) = 0 [pid 368] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 370] rt_sigprocmask(SIG_SETMASK, [] [pid 368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 366] <... futex resumed>) = 0 [pid 365] <... futex resumed>) = 0 [pid 370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 368] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 366] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 370] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 368] <... write resumed>) = -1 ESRCH (No such process) [pid 365] <... futex resumed>) = 0 [pid 368] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 368] <... futex resumed>) = 0 [pid 365] <... mmap resumed>) = 0x7fe952c92000 [pid 370] <... openat resumed>) = 4 [pid 368] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 365] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 370] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] rt_sigprocmask(SIG_BLOCK, ~[] [pid 370] <... futex resumed>) = 1 [pid 365] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 361] <... futex resumed>) = 0 [pid 370] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 361] exit_group(0) = ? [pid 370] <... futex resumed>) = ? [pid 363] <... futex resumed>) = ? [pid 370] +++ exited with 0 +++ [pid 365] <... clone3 resumed> => {parent_tid=[372]}, 88) = 372 [pid 369] +++ exited with 0 +++ [pid 362] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 371 attached [pid 371] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 363] +++ exited with 0 +++ [pid 361] +++ exited with 0 +++ [pid 365] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 365] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 365] <... futex resumed>) = 0 [pid 365] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 371] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 371] mount(NULL, "./debug", "debugfs", 0, NULL [pid 366] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 371] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] <... futex resumed>) = 0 [pid 371] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 366] <... futex resumed>) = 0 [pid 371] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 366] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 371] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 372 attached [pid 371] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] set_robust_list(0x7fe952cb29a0, 24 [pid 371] <... futex resumed>) = 1 [pid 372] <... set_robust_list resumed>) = 0 [pid 371] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] <... futex resumed>) = 0 [pid 372] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 366] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 366] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 372] <... openat resumed>) = 4 [pid 371] <... futex resumed>) = 0 [pid 366] <... mmap resumed>) = 0x7fe952c92000 [pid 372] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 372] <... futex resumed>) = 1 [pid 366] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 365] <... futex resumed>) = 0 [pid 372] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... write resumed>) = -1 ESRCH (No such process) [pid 366] <... mprotect resumed>) = 0 [pid 365] exit_group(0 [pid 304] <... restart_syscall resumed>) = 0 [pid 372] <... futex resumed>) = ? [pid 371] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 368] <... futex resumed>) = ? [pid 366] rt_sigprocmask(SIG_BLOCK, ~[] [pid 365] <... exit_group resumed>) = ? [pid 372] +++ exited with 0 +++ [pid 371] <... futex resumed>) = 0 [pid 368] +++ exited with 0 +++ [pid 366] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 365] +++ exited with 0 +++ [pid 371] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 373 attached [pid 366] <... clone3 resumed> => {parent_tid=[373]}, 88) = 373 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 373] set_robust_list(0x7fe952cb29a0, 24 [pid 366] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 373] <... set_robust_list resumed>) = 0 [pid 366] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 373] rt_sigprocmask(SIG_SETMASK, [] [pid 366] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 366] <... futex resumed>) = 0 [pid 373] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 366] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 374 [pid 307] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 375 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 376 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 373] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 377 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 374 attached [pid 374] set_robust_list(0x55555694b6a0, 24) = 0 [pid 374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 373] <... openat resumed>) = 4 [pid 374] <... prctl resumed>) = 0 [pid 374] setpgid(0, 0) = 0 [pid 374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 374] write(3, "1000", 4) = 4 [pid 374] close(3) = 0 [pid 374] write(1, "executing program\n", 18) = 18 executing program [pid 374] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 374] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[378]}, 88) = 378 [pid 374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 375 attached ci2-android-5-15/strace-static-x86_64: Process 376 attached [pid 375] set_robust_list(0x55555694b6a0, 24 [pid 376] set_robust_list(0x55555694b6a0, 24 [pid 375] <... set_robust_list resumed>) = 0 [pid 375] rt_sigprocmask(SIG_SETMASK, [] [pid 376] <... set_robust_list resumed>) = 0 [pid 376] rt_sigprocmask(SIG_SETMASK, [] [pid 375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 375] <... prctl resumed>) = 0 [pid 375] setpgid(0, 0) = 0 [pid 376] <... prctl resumed>) = 0 [pid 375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 376] setpgid(0, 0) = 0 [pid 376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 375] <... openat resumed>) = 3 [pid 376] <... openat resumed>) = 3 [pid 376] write(3, "1000", 4) = 4 [pid 376] close(3) = 0 [pid 375] write(3, "1000", 4) = 4 [pid 376] write(1, "executing program\n", 18 [pid 375] close(3 [pid 376] <... write resumed>) = 18 [pid 375] <... close resumed>) = 0 executing program [pid 376] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] write(1, "executing program\n", 18) = 18 executing program [pid 376] <... futex resumed>) = 0 [pid 375] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 375] <... futex resumed>) = 0 [pid 376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 375] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 375] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 376] <... mmap resumed>) = 0x7fe952cb3000 [pid 375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 376] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 376] <... mprotect resumed>) = 0 [pid 375] <... mmap resumed>) = 0x7fe952cb3000 [pid 375] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 373] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 377 attached [pid 366] <... futex resumed>) = 0 [pid 373] <... futex resumed>) = 1 [pid 375] <... mprotect resumed>) = 0 [pid 366] exit_group(0 [pid 373] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] <... exit_group resumed>) = ? [pid 373] <... futex resumed>) = ? [pid 371] <... futex resumed>) = ? [pid 376] rt_sigprocmask(SIG_BLOCK, ~[] [pid 371] +++ exited with 0 +++ [pid 375] rt_sigprocmask(SIG_BLOCK, ~[] [pid 376] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 375] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 376] <... clone3 resumed> => {parent_tid=[379]}, 88) = 379 [pid 373] +++ exited with 0 +++ [pid 366] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 375] <... clone3 resumed> => {parent_tid=[380]}, 88) = 380 [pid 376] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] rt_sigprocmask(SIG_SETMASK, [] [pid 376] <... futex resumed>) = 0 [pid 375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 375] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 378 attached [pid 378] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 378] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 378] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... futex resumed>) = 0 [pid 374] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... futex resumed>) = 1 [pid 378] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 378] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... futex resumed>) = 0 [pid 374] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... futex resumed>) = 1 [pid 378] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 378] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... futex resumed>) = 0 [pid 374] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 374] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[381]}, 88) = 381 [pid 377] set_robust_list(0x55555694b6a0, 24 [pid 374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... futex resumed>) = 1 [pid 378] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 378] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 377] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 381 attached ci2-android-5-15/strace-static-x86_64: Process 380 attached [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 381] set_robust_list(0x7fe952cb29a0, 24 [pid 380] set_robust_list(0x7fe952cd39a0, 24 [pid 377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 382 [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 377] <... prctl resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 377] setpgid(0, 0 [pid 378] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 379 attached [pid 379] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 379] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 379] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... futex resumed>) = 0 [pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 376] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... futex resumed>) = 1 [pid 379] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 379] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... futex resumed>) = 0 [pid 376] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... futex resumed>) = 1 [pid 379] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 379] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... futex resumed>) = 0 [pid 376] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 376] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 376] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[383]}, 88) = 383 [pid 376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 376] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 376] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... futex resumed>) = 1 [pid 379] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 379] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 379] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 383] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 377] <... openat resumed>) = 3 [pid 380] <... set_robust_list resumed>) = 0 [pid 381] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 382 attached [pid 377] write(3, "1000", 4) = 4 [pid 380] rt_sigprocmask(SIG_SETMASK, [] [pid 381] rt_sigprocmask(SIG_SETMASK, [] [pid 377] close(3) = 0 [pid 377] write(1, "executing program\n", 18 [pid 380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 381] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 377] <... write resumed>) = 18 [pid 377] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 381] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 380] mkdirat(AT_FDCWD, "./debug", 0777 [pid 377] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 380] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 380] <... futex resumed>) = 1 [pid 377] <... mmap resumed>) = 0x7fe952cb3000 [pid 375] <... futex resumed>) = 0 [pid 377] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 380] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] <... mprotect resumed>) = 0 [pid 375] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] rt_sigprocmask(SIG_BLOCK, ~[] [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 375] <... futex resumed>) = 0 [pid 377] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 380] mount(NULL, "./debug", "debugfs", 0, NULL [pid 375] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 377] <... clone3 resumed> => {parent_tid=[384]}, 88) = 384 [pid 377] rt_sigprocmask(SIG_SETMASK, [] [pid 380] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 377] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 1 [pid 377] <... futex resumed>) = 0 [pid 375] <... futex resumed>) = 0 [pid 377] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] <... openat resumed>) = 4 [pid 380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 375] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 383] <... openat resumed>) = 4 [pid 383] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... futex resumed>) = 0 [pid 376] exit_group(0 [pid 379] <... futex resumed>) = ? [pid 376] <... exit_group resumed>) = ? [pid 379] +++ exited with 0 +++ [pid 383] <... futex resumed>) = ? [pid 380] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 381] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... openat resumed>) = 3 [pid 381] <... futex resumed>) = 1 [pid 380] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 380] <... futex resumed>) = 1 [pid 375] <... futex resumed>) = 0 [pid 374] <... futex resumed>) = 0 [pid 380] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] exit_group(0 [pid 378] <... futex resumed>) = ? [pid 375] <... futex resumed>) = 1 [pid 374] <... exit_group resumed>) = ? [pid 378] +++ exited with 0 +++ [pid 382] set_robust_list(0x55555694b6a0, 24 [pid 375] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 375] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 375] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[385]}, 88) = 385 [pid 375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 375] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] <... futex resumed>) = 0 [pid 380] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 380] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 381] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 384 attached [pid 382] <... set_robust_list resumed>) = 0 [pid 381] +++ exited with 0 +++ [pid 374] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 382] rt_sigprocmask(SIG_SETMASK, [] [pid 383] +++ exited with 0 +++ [pid 376] +++ exited with 0 +++ [pid 382] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 385 attached [pid 382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 385] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 385] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 382] <... prctl resumed>) = 0 [pid 384] set_robust_list(0x7fe952cd39a0, 24 [pid 385] <... openat resumed>) = 4 [pid 385] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... futex resumed>) = 0 [pid 382] setpgid(0, 0 [pid 375] exit_group(0 [pid 380] <... futex resumed>) = ? [pid 375] <... exit_group resumed>) = ? [pid 380] +++ exited with 0 +++ [pid 382] <... setpgid resumed>) = 0 [pid 385] <... futex resumed>) = ? [pid 382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 382] <... openat resumed>) = 3 [pid 382] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 382] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 386 [pid 382] close(3 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 387 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 382] <... close resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 382] write(1, "executing program\n", 18) = 18 executing program [pid 384] <... set_robust_list resumed>) = 0 [pid 382] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 384] rt_sigprocmask(SIG_SETMASK, [] [pid 382] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 382] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 385] +++ exited with 0 +++ [pid 375] +++ exited with 0 +++ [pid 382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 382] <... mmap resumed>) = 0x7fe952cb3000 ci2-android-5-15/strace-static-x86_64: Process 387 attached [pid 387] set_robust_list(0x55555694b6a0, 24) = 0 [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 387] setpgid(0, 0) = 0 [pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 382] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 384] mkdirat(AT_FDCWD, "./debug", 0777 [pid 382] <... mprotect resumed>) = 0 [pid 387] <... openat resumed>) = 3 [pid 387] write(3, "1000", 4) = 4 [pid 387] close(3) = 0 [pid 387] write(1, "executing program\n", 18) = 18 executing program [pid 387] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 387] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[388]}, 88) = 388 [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 386 attached [pid 386] set_robust_list(0x55555694b6a0, 24) = 0 [pid 386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 386] setpgid(0, 0) = 0 [pid 386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 386] write(3, "1000", 4 [pid 382] rt_sigprocmask(SIG_BLOCK, ~[] [pid 386] <... write resumed>) = 4 [pid 384] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 382] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 386] close(3 [pid 384] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 386] <... close resumed>) = 0 [pid 386] write(1, "executing program\n", 18) = 18 [pid 386] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... futex resumed>) = 0 [pid 384] <... futex resumed>) = 1 [pid 382] <... clone3 resumed> => {parent_tid=[389]}, 88) = 389 [pid 377] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] mount(NULL, "./debug", "debugfs", 0, NULL [pid 382] rt_sigprocmask(SIG_SETMASK, [] [pid 377] <... futex resumed>) = 0 [pid 386] <... futex resumed>) = 0 [pid 382] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 377] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 386] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 382] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 384] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 382] <... futex resumed>) = 0 executing program [pid 386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 382] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 386] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 386] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[390]}, 88) = 390 [pid 386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 386] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 388 attached [pid 388] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 388] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 388] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 388] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 387] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 391 attached => {parent_tid=[391]}, 88) = 391 [pid 384] <... futex resumed>) = 1 [pid 377] <... futex resumed>) = 0 [pid 384] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 377] <... futex resumed>) = 0 [pid 384] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 377] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... openat resumed>) = 3 [pid 387] rt_sigprocmask(SIG_SETMASK, [] [pid 384] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 384] <... futex resumed>) = 1 [pid 377] <... futex resumed>) = 0 [pid 384] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 377] <... futex resumed>) = 0 [pid 384] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 377] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... write resumed>) = -1 ESRCH (No such process) [pid 377] <... futex resumed>) = 0 [pid 384] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 384] <... futex resumed>) = 0 [pid 388] <... futex resumed>) = 1 [pid 384] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] <... mmap resumed>) = 0x7fe952c92000 [pid 388] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 377] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 388] <... write resumed>) = -1 ESRCH (No such process) [pid 377] <... mprotect resumed>) = 0 [pid 388] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... restart_syscall resumed>) = 0 [pid 377] rt_sigprocmask(SIG_BLOCK, ~[] [pid 388] <... futex resumed>) = 0 [pid 377] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 389 attached [pid 377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 389] set_robust_list(0x7fe952cd39a0, 24 [pid 388] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 377] <... clone3 resumed> => {parent_tid=[392]}, 88) = 392 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 391] set_robust_list(0x7fe952cb29a0, 24 [pid 377] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 391] <... set_robust_list resumed>) = 0 [pid 377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 389] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 377] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] rt_sigprocmask(SIG_SETMASK, [] [pid 377] <... futex resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 393 [pid 391] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 377] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 389] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 391] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 389] <... futex resumed>) = 1 [pid 382] <... futex resumed>) = 0 [pid 389] mount(NULL, "./debug", "debugfs", 0, NULL [pid 382] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 389] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 389] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 382] <... futex resumed>) = 0 [pid 389] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 390 attached [pid 390] set_robust_list(0x7fe952cd39a0, 24 [pid 382] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] <... openat resumed>) = 4 [pid 382] <... futex resumed>) = 1 [pid 391] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = 0 [pid 382] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 391] <... futex resumed>) = 1 [pid 389] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 387] <... futex resumed>) = 0 [pid 387] exit_group(0) = ? [pid 388] <... futex resumed>) = ? [pid 388] +++ exited with 0 +++ [pid 389] <... openat resumed>) = 3 [pid 390] <... set_robust_list resumed>) = 0 [pid 390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 390] mkdirat(AT_FDCWD, "./debug", 0777 [pid 389] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... futex resumed>) = 0 [pid 382] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 382] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[394]}, 88) = 394 [pid 382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 382] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 382] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 389] <... futex resumed>) = 1 [pid 389] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 390] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 389] <... write resumed>) = -1 ESRCH (No such process) [pid 390] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 389] <... futex resumed>) = 0 [pid 390] mount(NULL, "./debug", "debugfs", 0, NULL [pid 389] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 390] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 390] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = 0 [pid 386] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 386] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 386] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[395]}, 88) = 395 [pid 386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 386] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 386] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 390] <... futex resumed>) = 1 [pid 390] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 390] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 393 attached [pid 393] set_robust_list(0x55555694b6a0, 24) = 0 [pid 393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 393] setpgid(0, 0) = 0 [pid 393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 394 attached [pid 391] +++ exited with 0 +++ [pid 387] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 392 attached [pid 394] set_robust_list(0x7fe952cb29a0, 24 [pid 393] <... openat resumed>) = 3 [pid 392] set_robust_list(0x7fe952cb29a0, 24 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 394] <... set_robust_list resumed>) = 0 [pid 392] <... set_robust_list resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 392] rt_sigprocmask(SIG_SETMASK, [] [pid 394] <... openat resumed>) = 4 [pid 393] write(3, "1000", 4) = 4 [pid 393] close(3) = 0 [pid 393] write(1, "executing program\n", 18) = 18 executing program [pid 393] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 393] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 395 attached , NULL, 8) = 0 [pid 393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 395] set_robust_list(0x7fe952cb29a0, 24 [pid 394] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] <... mmap resumed>) = 0x7fe952cb3000 [pid 382] <... futex resumed>) = 0 [pid 382] exit_group(0 [pid 389] <... futex resumed>) = ? [pid 382] <... exit_group resumed>) = ? [pid 389] +++ exited with 0 +++ [pid 393] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 395] <... set_robust_list resumed>) = 0 [pid 392] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 393] <... mprotect resumed>) = 0 [pid 394] <... futex resumed>) = ? [pid 395] rt_sigprocmask(SIG_SETMASK, [] [pid 392] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 393] rt_sigprocmask(SIG_BLOCK, ~[] [pid 395] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 393] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[396]}, 88) = 396 [pid 392] <... openat resumed>) = 4 [pid 393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 393] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 393] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = 0 [pid 386] exit_group(0 [pid 390] <... futex resumed>) = ? [pid 386] <... exit_group resumed>) = ? [pid 390] +++ exited with 0 +++ [pid 395] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 396 attached [pid 392] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 377] <... futex resumed>) = 0 [pid 392] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] exit_group(0 [pid 394] +++ exited with 0 +++ [pid 392] <... futex resumed>) = ? [pid 384] <... futex resumed>) = ? [pid 382] +++ exited with 0 +++ [pid 377] <... exit_group resumed>) = ? [pid 392] +++ exited with 0 +++ [pid 384] +++ exited with 0 +++ [pid 395] +++ exited with 0 +++ [pid 386] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 396] set_robust_list(0x7fe952cd39a0, 24 [pid 377] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 397 ci2-android-5-15/strace-static-x86_64: Process 397 attached [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] set_robust_list(0x55555694b6a0, 24) = 0 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 397] setpgid(0, 0) = 0 [pid 397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 397] write(3, "1000", 4) = 4 executing program [pid 397] close(3) = 0 [pid 397] write(1, "executing program\n", 18) = 18 [pid 397] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 397] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[398]}, 88) = 398 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 398 attached [pid 398] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 398] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 398] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... futex resumed>) = 0 [pid 397] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 398] <... futex resumed>) = 1 [pid 398] mount(NULL, "./debug", "debugfs", 0, NULL [pid 396] <... set_robust_list resumed>) = 0 [pid 398] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 398] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... futex resumed>) = 0 [pid 397] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 398] <... futex resumed>) = 1 [pid 398] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 398] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... futex resumed>) = 0 [pid 397] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 397] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[399]}, 88) = 399 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 397] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 398] <... futex resumed>) = 1 [pid 398] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 398] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 399 attached [pid 396] rt_sigprocmask(SIG_SETMASK, [] [pid 399] set_robust_list(0x7fe952cb29a0, 24 [pid 396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 399] <... set_robust_list resumed>) = 0 [pid 396] mkdirat(AT_FDCWD, "./debug", 0777 [pid 399] rt_sigprocmask(SIG_SETMASK, [] [pid 396] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 396] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 396] <... futex resumed>) = 1 [pid 393] <... futex resumed>) = 0 [pid 396] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 393] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 393] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 396] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 396] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] <... futex resumed>) = 0 [pid 393] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] <... futex resumed>) = 1 [pid 393] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 396] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 396] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 393] <... futex resumed>) = 0 [pid 396] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 393] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 393] <... futex resumed>) = 0 [pid 396] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 393] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... write resumed>) = -1 ESRCH (No such process) [pid 393] <... futex resumed>) = 0 [pid 396] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 396] <... futex resumed>) = 0 [pid 393] <... mmap resumed>) = 0x7fe952c92000 [pid 396] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 393] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 393] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 306] <... restart_syscall resumed>) = 0 [pid 393] <... clone3 resumed> => {parent_tid=[400]}, 88) = 400 [pid 393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 393] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 393] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 400 attached [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 400] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 400] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 401 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 401 attached [pid 399] <... openat resumed>) = 4 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 402 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 400] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 399] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 399] <... futex resumed>) = 1 [pid 397] <... futex resumed>) = 0 [pid 397] exit_group(0) = ? [pid 398] <... futex resumed>) = ? [pid 398] +++ exited with 0 +++ [pid 400] <... openat resumed>) = 4 [pid 400] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] <... futex resumed>) = 0 [pid 393] exit_group(0 [pid 396] <... futex resumed>) = ? [pid 393] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 402 attached [pid 401] set_robust_list(0x55555694b6a0, 24 [pid 396] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 400] <... futex resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 400] +++ exited with 0 +++ [pid 393] +++ exited with 0 +++ [pid 399] +++ exited with 0 +++ [pid 397] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 403 attached [pid 403] set_robust_list(0x55555694b6a0, 24) = 0 [pid 403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 403] setpgid(0, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 403 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 403] <... setpgid resumed>) = 0 [pid 403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 403] write(3, "1000", 4) = 4 [pid 403] close(3) = 0 [pid 403] write(1, "executing program\n", 18) = 18 [pid 403] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 403] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 403] <... clone3 resumed> => {parent_tid=[404]}, 88) = 404 [pid 403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 403] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 404 attached [pid 404] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 405 [pid 404] mkdirat(AT_FDCWD, "./debug", 0777 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 404] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 404] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... futex resumed>) = 1 [pid 404] mount(NULL, "./debug", "debugfs", 0, NULL [pid 401] <... set_robust_list resumed>) = 0 [pid 404] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 404] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... futex resumed>) = 1 [pid 404] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 404] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = 0 [pid 401] rt_sigprocmask(SIG_SETMASK, [] [pid 403] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 403] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 403] <... clone3 resumed> => {parent_tid=[406]}, 88) = 406 [pid 403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 403] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 403] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 404] <... futex resumed>) = 1 [pid 404] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 404] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 404] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 405 attached [pid 405] set_robust_list(0x55555694b6a0, 24) = 0 [pid 405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 405] setpgid(0, 0 [pid 401] <... prctl resumed>) = 0 [pid 405] <... setpgid resumed>) = 0 [pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 401] setpgid(0, 0 [pid 402] set_robust_list(0x55555694b6a0, 24 [pid 405] <... openat resumed>) = 3 [pid 405] write(3, "1000", 4) = 4 [pid 405] close(3) = 0 [pid 405] write(1, "executing program\n", 18 [pid 401] <... setpgid resumed>) = 0 [pid 405] <... write resumed>) = 18 executing program [pid 405] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 405] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 405] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[407]}, 88) = 407 [pid 405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 405] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 406 attached [pid 406] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 406] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 402] <... set_robust_list resumed>) = 0 [pid 406] <... openat resumed>) = 4 [pid 401] <... openat resumed>) = 3 [pid 406] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] write(3, "1000", 4 [pid 403] <... futex resumed>) = 0 [pid 401] <... write resumed>) = 4 [pid 403] exit_group(0 [pid 401] close(3 [pid 403] <... exit_group resumed>) = ? [pid 401] <... close resumed>) = 0 [pid 401] write(1, "executing program\n", 18) = 18 executing program [pid 401] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 404] <... futex resumed>) = ? [pid 401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 404] +++ exited with 0 +++ [pid 406] <... futex resumed>) = ? [pid 401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 401] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 402] rt_sigprocmask(SIG_SETMASK, [] [pid 401] <... mprotect resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 408 [pid 401] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 401] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 406] +++ exited with 0 +++ [pid 403] +++ exited with 0 +++ [pid 401] <... clone3 resumed> => {parent_tid=[409]}, 88) = 409 [pid 402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 401] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 402] <... prctl resumed>) = 0 [pid 401] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 402] setpgid(0, 0 [pid 401] <... futex resumed>) = 0 [pid 402] <... setpgid resumed>) = 0 [pid 401] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 408 attached [pid 402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 408] set_robust_list(0x55555694b6a0, 24) = 0 [pid 408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 408] setpgid(0, 0 [pid 402] <... openat resumed>) = 3 [pid 408] <... setpgid resumed>) = 0 [pid 408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 409 attached [pid 402] write(3, "1000", 4 [pid 408] <... openat resumed>) = 3 [pid 408] write(3, "1000", 4) = 4 [pid 408] close(3) = 0 ci2-android-5-15/strace-static-x86_64: Process 407 attached [pid 407] set_robust_list(0x7fe952cd39a0, 24 [pid 408] write(1, "executing program\n", 18) = 18 executing program [pid 408] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... set_robust_list resumed>) = 0 [pid 407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 408] <... futex resumed>) = 0 [pid 407] mkdirat(AT_FDCWD, "./debug", 0777 [pid 408] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 407] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 407] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... mprotect resumed>) = 0 [pid 407] <... futex resumed>) = 1 [pid 407] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 408] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 407] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 402] <... write resumed>) = 4 [pid 405] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 402] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 407] <... futex resumed>) = 1 [pid 407] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 408] <... clone3 resumed> => {parent_tid=[410]}, 88) = 410 [pid 408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 408] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] write(1, "executing program\n", 18 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 411 [pid 402] <... write resumed>) = 18 [pid 408] <... futex resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 402] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 405] <... futex resumed>) = 0 [pid 402] <... futex resumed>) = 0 [pid 405] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 405] <... futex resumed>) = 0 [pid 405] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 405] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 405] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[412]}, 88) = 412 [pid 405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 405] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 405] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 407] <... futex resumed>) = 1 [pid 407] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 407] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 411 attached [pid 402] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 409] set_robust_list(0x7fe952cd39a0, 24 [pid 402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 412 attached [pid 409] <... set_robust_list resumed>) = 0 [pid 402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 409] rt_sigprocmask(SIG_SETMASK, [] [pid 402] <... mmap resumed>) = 0x7fe952cb3000 [pid 402] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 402] <... mprotect resumed>) = 0 [pid 412] set_robust_list(0x7fe952cb29a0, 24 [pid 402] rt_sigprocmask(SIG_BLOCK, ~[] [pid 409] mkdirat(AT_FDCWD, "./debug", 0777 [pid 402] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 412] <... set_robust_list resumed>) = 0 [pid 402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 411] set_robust_list(0x55555694b6a0, 24 [pid 412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 411] <... set_robust_list resumed>) = 0 [pid 409] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... clone3 resumed> => {parent_tid=[413]}, 88) = 413 [pid 412] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 402] rt_sigprocmask(SIG_SETMASK, [] [pid 409] <... futex resumed>) = 1 [pid 401] <... futex resumed>) = 0 [pid 402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 401] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] mount(NULL, "./debug", "debugfs", 0, NULL [pid 402] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] <... futex resumed>) = 0 [pid 402] <... futex resumed>) = 0 [pid 401] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 409] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 411] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 413 attached [pid 409] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 411] setpgid(0, 0 [pid 409] <... futex resumed>) = 1 [pid 401] <... futex resumed>) = 0 [pid 409] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 401] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... setpgid resumed>) = 0 [pid 401] <... futex resumed>) = 0 [pid 409] <... openat resumed>) = 3 [pid 401] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 409] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 412] <... openat resumed>) = 4 [pid 401] <... futex resumed>) = 0 [pid 409] <... futex resumed>) = 1 [pid 401] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 412] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 401] <... futex resumed>) = 0 [pid 405] <... futex resumed>) = 0 [pid 409] <... write resumed>) = -1 ESRCH (No such process) [pid 401] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] exit_group(0 [pid 401] <... futex resumed>) = 0 [pid 409] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... exit_group resumed>) = ? [pid 401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 407] <... futex resumed>) = ? [pid 401] <... mmap resumed>) = 0x7fe952c92000 [pid 409] <... futex resumed>) = 0 [pid 401] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 409] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 407] +++ exited with 0 +++ [pid 401] <... mprotect resumed>) = 0 [pid 401] rt_sigprocmask(SIG_BLOCK, ~[] [pid 412] <... futex resumed>) = ? [pid 401] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 411] <... openat resumed>) = 3 [pid 411] write(3, "1000", 4 [pid 401] <... clone3 resumed> => {parent_tid=[414]}, 88) = 414 [pid 401] rt_sigprocmask(SIG_SETMASK, [] [pid 411] <... write resumed>) = 4 [pid 401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 411] close(3 [pid 401] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 401] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 411] <... close resumed>) = 0 [pid 413] set_robust_list(0x7fe952cd39a0, 24 [pid 411] write(1, "executing program\n", 18) = 18 executing program [pid 411] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 411] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 411] rt_sigprocmask(SIG_BLOCK, ~[] [pid 413] <... set_robust_list resumed>) = 0 [pid 413] rt_sigprocmask(SIG_SETMASK, [] [pid 411] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 412] +++ exited with 0 +++ [pid 405] +++ exited with 0 +++ [pid 411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 413] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 410 attached [pid 410] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 410] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 410] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = 0 [pid 408] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 408] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 1 [pid 410] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 410] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = 0 [pid 408] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 408] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 1 [pid 410] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 410] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = 0 [pid 408] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 408] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 408] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 408] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[416]}, 88) = 416 [pid 413] mkdirat(AT_FDCWD, "./debug", 0777 [pid 411] <... clone3 resumed> => {parent_tid=[415]}, 88) = 415 [pid 408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 408] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 408] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 1 [pid 410] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 410] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 410] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 414 attached [pid 414] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 414] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 411] rt_sigprocmask(SIG_SETMASK, [] [pid 414] <... openat resumed>) = 4 [pid 413] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 402] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 413] <... futex resumed>) = 1 [pid 411] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... futex resumed>) = 0 [pid 401] <... futex resumed>) = 0 [pid 402] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 413] mount(NULL, "./debug", "debugfs", 0, NULL [pid 411] <... futex resumed>) = 0 [pid 401] exit_group(0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 409] <... futex resumed>) = ? [pid 401] <... exit_group resumed>) = ? [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 409] +++ exited with 0 +++ [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 411] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 417 attached [pid 413] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 414] +++ exited with 0 +++ [pid 401] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 416 attached [pid 416] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 417 [pid 413] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 413] <... futex resumed>) = 1 [pid 402] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 413] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 402] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 402] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 413] <... openat resumed>) = 3 [pid 416] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 413] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] set_robust_list(0x55555694b6a0, 24 [pid 416] <... openat resumed>) = 4 [pid 416] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = 0 [pid 408] exit_group(0 [pid 413] <... futex resumed>) = 1 [pid 410] <... futex resumed>) = ? [pid 408] <... exit_group resumed>) = ? [pid 402] <... futex resumed>) = 0 [pid 413] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 410] +++ exited with 0 +++ [pid 402] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 402] <... futex resumed>) = 0 [pid 416] <... futex resumed>) = ? [pid 402] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 402] <... futex resumed>) = 0 [pid 413] <... write resumed>) = -1 ESRCH (No such process) [pid 402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 413] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... mmap resumed>) = 0x7fe952c92000 [pid 413] <... futex resumed>) = 0 [pid 402] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 413] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 402] <... mprotect resumed>) = 0 [pid 402] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[418]}, 88) = 418 [pid 402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 415 attached [pid 402] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] set_robust_list(0x7fe952cd39a0, 24 [pid 402] <... futex resumed>) = 0 [pid 415] <... set_robust_list resumed>) = 0 [pid 402] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 415] mkdirat(AT_FDCWD, "./debug", 0777 [pid 417] <... set_robust_list resumed>) = 0 [pid 415] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 415] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] <... futex resumed>) = 1 [pid 415] mount(NULL, "./debug", "debugfs", 0, NULL [pid 417] rt_sigprocmask(SIG_SETMASK, [] [pid 416] +++ exited with 0 +++ [pid 408] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 415] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 415] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 411] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 411] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 411] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 415] <... futex resumed>) = 1 [pid 415] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 415] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 411] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 411] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 419 [pid 417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 411] <... clone3 resumed> => {parent_tid=[420]}, 88) = 420 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 411] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 417] <... prctl resumed>) = 0 [pid 411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 411] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 411] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 417] setpgid(0, 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 415] <... futex resumed>) = 1 [pid 415] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 415] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 415] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 420 attached [pid 420] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 420] rt_sigprocmask(SIG_SETMASK, [] [pid 417] <... setpgid resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 421 [pid 420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 420] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 420] <... openat resumed>) = 4 [pid 417] <... openat resumed>) = 3 [pid 420] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... futex resumed>) = 0 [pid 411] exit_group(0 [pid 415] <... futex resumed>) = ? [pid 411] <... exit_group resumed>) = ? [pid 415] +++ exited with 0 +++ [pid 417] write(3, "1000", 4 [pid 420] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 421 attached [pid 417] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 418 attached [pid 418] set_robust_list(0x7fe952cb29a0, 24 [pid 417] close(3 [pid 418] <... set_robust_list resumed>) = 0 [pid 420] +++ exited with 0 +++ [pid 411] +++ exited with 0 +++ [pid 417] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 418] rt_sigprocmask(SIG_SETMASK, [] [pid 417] write(1, "executing program\n", 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 417] <... write resumed>) = 18 executing program [pid 418] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 418] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... futex resumed>) = 0 [pid 402] exit_group(0 [pid 413] <... futex resumed>) = ? [pid 402] <... exit_group resumed>) = ? [pid 417] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] +++ exited with 0 +++ [pid 418] <... futex resumed>) = ? [pid 421] set_robust_list(0x55555694b6a0, 24 [pid 417] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 419 attached [pid 419] set_robust_list(0x55555694b6a0, 24) = 0 [pid 419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 417] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 309] <... restart_syscall resumed>) = 0 [pid 419] <... prctl resumed>) = 0 [pid 417] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 419] setpgid(0, 0) = 0 [pid 417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 419] <... openat resumed>) = 3 [pid 417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 417] <... mmap resumed>) = 0x7fe952cb3000 [pid 418] +++ exited with 0 +++ [pid 402] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 419] write(3, "1000", 4 [pid 417] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 419] <... write resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 422 [pid 417] <... mprotect resumed>) = 0 [pid 419] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 419] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 419] write(1, "executing program\n", 18 [pid 417] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 419] <... write resumed>) = 18 [pid 419] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 419] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 419] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[424]}, 88) = 424 [pid 419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 419] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 422 attached [pid 422] set_robust_list(0x55555694b6a0, 24) = 0 [pid 422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 421] <... set_robust_list resumed>) = 0 [pid 417] <... clone3 resumed> => {parent_tid=[423]}, 88) = 423 [pid 422] write(3, "1000", 4 [pid 417] rt_sigprocmask(SIG_SETMASK, [] [pid 421] rt_sigprocmask(SIG_SETMASK, [] [pid 417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 422] <... write resumed>) = 4 [pid 421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 417] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] close(3 [pid 417] <... futex resumed>) = 0 [pid 422] <... close resumed>) = 0 [pid 417] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 422] write(1, "executing program\n", 18 [pid 421] <... prctl resumed>) = 0 [pid 422] <... write resumed>) = 18 executing program [pid 422] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 422] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 422] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 307] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 421] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 425 attached [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 425 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 421] <... setpgid resumed>) = 0 [pid 422] <... clone3 resumed> => {parent_tid=[426]}, 88) = 426 [pid 422] rt_sigprocmask(SIG_SETMASK, [] [pid 421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 422] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 422] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 ci2-android-5-15/strace-static-x86_64: Process 423 attached [pid 422] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 423] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 423] mkdirat(AT_FDCWD, "./debug", 0777 [pid 421] <... openat resumed>) = 3 [pid 423] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 423] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 417] <... futex resumed>) = 0 [pid 421] write(3, "1000", 4 [pid 417] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 421] <... write resumed>) = 4 [pid 417] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 424 attached [pid 421] close(3 [pid 417] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] set_robust_list(0x7fe952cd39a0, 24 [pid 421] <... close resumed>) = 0 [pid 423] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 executing program [pid 421] write(1, "executing program\n", 18 [pid 417] <... futex resumed>) = 0 [pid 424] <... set_robust_list resumed>) = 0 [pid 421] <... write resumed>) = 18 [pid 417] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 417] <... futex resumed>) = 0 [pid 421] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 0 [pid 424] rt_sigprocmask(SIG_SETMASK, [] [pid 423] <... openat resumed>) = 3 [pid 421] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 424] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 421] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 424] mkdirat(AT_FDCWD, "./debug", 0777 [pid 423] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 423] <... futex resumed>) = 1 [pid 421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 417] <... futex resumed>) = 0 [pid 421] <... mmap resumed>) = 0x7fe952cb3000 [pid 417] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 424] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 417] <... futex resumed>) = 0 [pid 421] <... mprotect resumed>) = 0 [pid 417] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 417] <... futex resumed>) = 0 [pid 421] rt_sigprocmask(SIG_BLOCK, ~[] [pid 417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 425] set_robust_list(0x55555694b6a0, 24 [pid 421] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 417] <... mmap resumed>) = 0x7fe952c92000 [pid 421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 425] <... set_robust_list resumed>) = 0 [pid 417] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 424] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] <... write resumed>) = -1 ESRCH (No such process) [pid 417] <... mprotect resumed>) = 0 [pid 424] <... futex resumed>) = 1 [pid 423] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 424] mount(NULL, "./debug", "debugfs", 0, NULL [pid 423] <... futex resumed>) = 0 [pid 419] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] rt_sigprocmask(SIG_BLOCK, ~[] [pid 425] rt_sigprocmask(SIG_SETMASK, [] [pid 424] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 423] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 421] <... clone3 resumed> => {parent_tid=[427]}, 88) = 427 [pid 419] <... futex resumed>) = 0 [pid 417] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 424] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] rt_sigprocmask(SIG_SETMASK, [] [pid 419] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 424] <... futex resumed>) = 0 [pid 421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 424] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 419] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 424] <... openat resumed>) = 3 [pid 421] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... futex resumed>) = 0 [pid 425] <... prctl resumed>) = 0 [pid 424] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 419] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 417] <... clone3 resumed> => {parent_tid=[428]}, 88) = 428 [pid 424] <... futex resumed>) = 0 [pid 419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 425] setpgid(0, 0 [pid 424] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 421] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] rt_sigprocmask(SIG_SETMASK, [] [pid 425] <... setpgid resumed>) = 0 [pid 424] <... write resumed>) = -1 ESRCH (No such process) [pid 419] <... futex resumed>) = 0 [pid 417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 424] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] <... futex resumed>) = 0 [pid 419] <... futex resumed>) = 0 [pid 417] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 424] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 417] <... futex resumed>) = 0 [pid 419] <... mmap resumed>) = 0x7fe952c92000 [pid 417] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 419] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 425] <... openat resumed>) = 3 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[429]}, 88) = 429 ci2-android-5-15/strace-static-x86_64: Process 427 attached [pid 425] write(3, "1000", 4 [pid 419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 419] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 419] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 426 attached [pid 426] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 426] mkdirat(AT_FDCWD, "./debug", 0777ci2-android-5-15/strace-static-x86_64: Process 428 attached [pid 428] set_robust_list(0x7fe952cb29a0, 24 [pid 425] close(3 [pid 427] set_robust_list(0x7fe952cd39a0, 24 [pid 428] <... set_robust_list resumed>) = 0 [pid 426] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 428] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 426] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... close resumed>) = 0 [pid 428] <... openat resumed>) = 4 [pid 427] <... set_robust_list resumed>) = 0 [pid 425] write(1, "executing program\n", 18) = 18 [pid 422] <... futex resumed>) = 0 executing program [pid 422] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 422] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 1 [pid 425] <... futex resumed>) = 0 [pid 426] mount(NULL, "./debug", "debugfs", 0, NULL [pid 425] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 427] rt_sigprocmask(SIG_SETMASK, [] [pid 426] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 425] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 428] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] <... futex resumed>) = 1 [pid 426] <... futex resumed>) = 1 [pid 422] <... futex resumed>) = 0 [pid 417] <... futex resumed>) = 0 [pid 428] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 426] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 422] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... openat resumed>) = 3 [pid 422] <... futex resumed>) = 0 [pid 417] exit_group(0 [pid 426] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] <... futex resumed>) = ? [pid 426] <... futex resumed>) = 0 [pid 425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 423] <... futex resumed>) = ? [pid 422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 417] <... exit_group resumed>) = ? [pid 428] +++ exited with 0 +++ [pid 427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 426] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 423] +++ exited with 0 +++ [pid 422] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 426] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 426] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 426] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 429 attached [pid 429] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 429] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 426] <... futex resumed>) = 0 [pid 425] <... mmap resumed>) = 0x7fe952cb3000 [pid 422] <... futex resumed>) = 1 [pid 417] +++ exited with 0 +++ [pid 427] mkdirat(AT_FDCWD, "./debug", 0777 [pid 425] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 422] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 422] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 425] <... mprotect resumed>) = 0 [pid 422] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 426] <... openat resumed>) = 4 [pid 425] rt_sigprocmask(SIG_BLOCK, ~[] [pid 427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 429] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 429] <... futex resumed>) = 1 [pid 427] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 426] <... futex resumed>) = 1 [pid 425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 422] <... futex resumed>) = 0 [pid 419] <... futex resumed>) = 0 [pid 429] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] <... futex resumed>) = 1 [pid 426] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 422] exit_group(0 [pid 421] <... futex resumed>) = 0 [pid 419] exit_group(0 [pid 429] <... futex resumed>) = ? [pid 427] mount(NULL, "./debug", "debugfs", 0, NULL [pid 426] <... futex resumed>) = ? [pid 425] <... clone3 resumed> => {parent_tid=[430]}, 88) = 430 [pid 424] <... futex resumed>) = ? [pid 422] <... exit_group resumed>) = ? [pid 421] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 419] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 430 attached [pid 429] +++ exited with 0 +++ [pid 427] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 426] +++ exited with 0 +++ [pid 425] rt_sigprocmask(SIG_SETMASK, [] [pid 424] +++ exited with 0 +++ [pid 422] +++ exited with 0 +++ [pid 421] <... futex resumed>) = 0 [pid 419] +++ exited with 0 +++ [pid 427] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 421] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 427] <... futex resumed>) = 0 [pid 425] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] <... futex resumed>) = 0 [pid 421] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 425] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 427] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 421] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] set_robust_list(0x7fe952cd39a0, 24 [pid 427] <... openat resumed>) = 3 [pid 427] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 427] <... futex resumed>) = 1 [pid 421] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 427] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 421] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 427] <... write resumed>) = -1 ESRCH (No such process) [pid 421] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 431 attached [pid 431] set_robust_list(0x55555694b6a0, 24 [pid 427] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 431 [pid 427] <... futex resumed>) = 0 [pid 421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 431] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 427] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 421] <... mmap resumed>) = 0x7fe952c92000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 421] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 431] rt_sigprocmask(SIG_SETMASK, [] [pid 421] <... mprotect resumed>) = 0 [pid 431] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 421] rt_sigprocmask(SIG_BLOCK, ~[] [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 421] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 431] <... prctl resumed>) = 0 [pid 421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 431] setpgid(0, 0) = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 421] <... clone3 resumed> => {parent_tid=[432]}, 88) = 432 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 [pid 431] write(1, "executing program\n", 18 [pid 421] rt_sigprocmask(SIG_SETMASK, [] [pid 431] <... write resumed>) = 18 [pid 421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 431] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... futex resumed>) = 0 [pid 421] <... futex resumed>) = 0 executing program [pid 431] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 421] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 431] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 431] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 431] rt_sigprocmask(SIG_BLOCK, ~[] [pid 430] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 432 attached [pid 432] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 432] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 430] rt_sigprocmask(SIG_SETMASK, [] [pid 431] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 432] <... openat resumed>) = 4 [pid 431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 430] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 432] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = 0 [pid 421] exit_group(0) = ? [pid 430] mkdirat(AT_FDCWD, "./debug", 0777 [pid 427] <... futex resumed>) = ? [pid 427] +++ exited with 0 +++ [pid 432] <... futex resumed>) = ? [pid 430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 431] <... clone3 resumed> => {parent_tid=[433]}, 88) = 433 [pid 309] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 432] +++ exited with 0 +++ [pid 421] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 434 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 430] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 433 attached [pid 433] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 433] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 435 ci2-android-5-15/strace-static-x86_64: Process 434 attached [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 430] <... futex resumed>) = 1 [pid 425] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 434] set_robust_list(0x55555694b6a0, 24 [pid 425] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] mount(NULL, "./debug", "debugfs", 0, NULL [pid 425] <... futex resumed>) = 0 [pid 431] rt_sigprocmask(SIG_SETMASK, [] [pid 434] <... set_robust_list resumed>) = 0 [pid 425] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 434] rt_sigprocmask(SIG_SETMASK, [] [pid 431] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 430] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 431] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 435 attached [pid 435] set_robust_list(0x55555694b6a0, 24) = 0 [pid 435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 431] <... futex resumed>) = 1 [pid 435] <... prctl resumed>) = 0 [pid 434] setpgid(0, 0 [pid 430] <... futex resumed>) = 1 [pid 425] <... futex resumed>) = 0 [pid 433] <... futex resumed>) = 0 [pid 425] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] setpgid(0, 0 [pid 434] <... setpgid resumed>) = 0 [pid 431] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 425] <... futex resumed>) = 0 [pid 425] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 430] <... openat resumed>) = 3 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 433] mkdirat(AT_FDCWD, "./debug", 0777 [pid 430] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... setpgid resumed>) = 0 [pid 433] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 433] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 433] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] <... futex resumed>) = 0 [pid 431] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... futex resumed>) = 0 [pid 433] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 430] <... futex resumed>) = 1 [pid 425] <... futex resumed>) = 0 [pid 433] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 425] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... futex resumed>) = 0 [pid 430] <... write resumed>) = -1 ESRCH (No such process) [pid 425] <... futex resumed>) = 0 [pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 434] <... openat resumed>) = 3 [pid 430] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 430] <... futex resumed>) = 0 [pid 425] <... futex resumed>) = 0 [pid 435] <... openat resumed>) = 3 [pid 434] write(3, "1000", 4 [pid 430] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 431] <... futex resumed>) = 1 [pid 425] <... mmap resumed>) = 0x7fe952c92000 [pid 435] write(3, "1000", 4 [pid 434] <... write resumed>) = 4 [pid 425] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 431] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 435] <... write resumed>) = 4 [pid 434] close(3 [pid 425] <... mprotect resumed>) = 0 [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] rt_sigprocmask(SIG_BLOCK, ~[] [pid 435] close(3 [pid 434] <... close resumed>) = 0 [pid 425] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 433] <... futex resumed>) = 0 [pid 434] write(1, "executing program\n", 18 [pid 425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 435] <... close resumed>) = 0 [pid 433] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 433] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] <... write resumed>) = 18 [pid 435] write(1, "executing program\n", 18 [pid 425] <... clone3 resumed> => {parent_tid=[436]}, 88) = 436 [pid 434] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 executing program executing program [pid 435] <... write resumed>) = 18 [pid 425] rt_sigprocmask(SIG_SETMASK, [] [pid 433] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 434] <... futex resumed>) = 0 [pid 425] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 431] <... futex resumed>) = 1 [pid 425] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 435] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 434] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 435] <... futex resumed>) = 0 [pid 425] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 431] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 431] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 433] <... futex resumed>) = 0 [pid 433] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 433] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 433] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 431] <... futex resumed>) = 1 [pid 431] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... futex resumed>) = 0 [pid 433] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 435] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 433] <... openat resumed>) = 4 [pid 433] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 433] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 310] <... restart_syscall resumed>) = 0 [pid 435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 434] <... mmap resumed>) = 0x7fe952cb3000 [pid 435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 434] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 431] <... futex resumed>) = 1 [pid 435] <... mmap resumed>) = 0x7fe952cb3000 [pid 434] <... mprotect resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 431] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 435] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 434] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 431] exit_group(0 [pid 433] <... futex resumed>) = ? [pid 433] +++ exited with 0 +++ [pid 431] <... exit_group resumed>) = ? [pid 434] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 435] <... mprotect resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 437 ci2-android-5-15/strace-static-x86_64: Process 437 attached ci2-android-5-15/strace-static-x86_64: Process 436 attached [pid 435] rt_sigprocmask(SIG_BLOCK, ~[] [pid 434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 435] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 431] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 438 attached [pid 438] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 438] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 435] <... clone3 resumed> => {parent_tid=[439]}, 88) = 439 [pid 434] <... clone3 resumed> => {parent_tid=[438]}, 88) = 438 [pid 435] rt_sigprocmask(SIG_SETMASK, [] [pid 434] rt_sigprocmask(SIG_SETMASK, [] [pid 435] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 435] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 434] <... futex resumed>) = 0 [pid 435] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 434] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 438] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 438] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 1 [pid 438] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 436] set_robust_list(0x7fe952cb29a0, 24 [pid 438] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... set_robust_list resumed>) = 0 [pid 438] <... futex resumed>) = 1 [pid 438] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 436] rt_sigprocmask(SIG_SETMASK, [] [pid 438] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 434] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 434] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[440]}, 88) = 440 [pid 437] set_robust_list(0x55555694b6a0, 24 [pid 436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 434] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... futex resumed>) = 1 [pid 438] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 438] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 438] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 439 attached [pid 439] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 439] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 439] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 436] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 435] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] mount(NULL, "./debug", "debugfs", 0, NULL [pid 436] <... openat resumed>) = 4 [pid 439] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 439] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 439] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 435] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 435] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[441]}, 88) = 441 [pid 435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 435] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 435] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... futex resumed>) = 1 [pid 439] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 439] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 439] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 440 attached [pid 440] set_robust_list(0x7fe952cb29a0, 24 [pid 437] <... set_robust_list resumed>) = 0 [pid 436] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] <... set_robust_list resumed>) = 0 [pid 440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 436] <... futex resumed>) = 1 [pid 425] <... futex resumed>) = 0 [pid 425] exit_group(0 [pid 436] ???( [pid 430] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 425] <... exit_group resumed>) = ? [pid 437] rt_sigprocmask(SIG_SETMASK, [] [pid 436] <... ??? resumed>) = ? [pid 430] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 441 attached [pid 440] <... openat resumed>) = 4 [pid 437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 437] <... prctl resumed>) = 0 [pid 436] +++ exited with 0 +++ [pid 425] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 442 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] <... futex resumed>) = 0 [pid 434] exit_group(0 [pid 438] <... futex resumed>) = ? [pid 437] setpgid(0, 0 [pid 434] <... exit_group resumed>) = ? [pid 438] +++ exited with 0 +++ [pid 440] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 442 attached [pid 437] <... setpgid resumed>) = 0 [pid 441] set_robust_list(0x7fe952cb29a0, 24 [pid 440] +++ exited with 0 +++ [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 434] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 442] set_robust_list(0x55555694b6a0, 24 [pid 437] <... openat resumed>) = 3 [pid 442] <... set_robust_list resumed>) = 0 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3) = 0 [pid 442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 437] write(1, "executing program\n", 18 [pid 442] <... prctl resumed>) = 0 [pid 437] <... write resumed>) = 18 [pid 442] setpgid(0, 0) = 0 executing program [pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 437] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] <... openat resumed>) = 3 [pid 437] <... futex resumed>) = 0 [pid 442] write(3, "1000", 4 [pid 437] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 442] <... write resumed>) = 4 [pid 437] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 442] close(3 [pid 437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 442] <... close resumed>) = 0 [pid 437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 442] write(1, "executing program\n", 18 [pid 437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 442] <... write resumed>) = 18 [pid 437] <... mmap resumed>) = 0x7fe952cb3000 executing program [pid 442] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 442] <... futex resumed>) = 0 [pid 437] <... mprotect resumed>) = 0 [pid 442] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 437] rt_sigprocmask(SIG_BLOCK, ~[] [pid 442] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 437] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 437] <... clone3 resumed> => {parent_tid=[443]}, 88) = 443 [pid 442] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 437] rt_sigprocmask(SIG_SETMASK, [] [pid 442] <... mprotect resumed>) = 0 [pid 437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 442] rt_sigprocmask(SIG_BLOCK, ~[] [pid 437] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 443 attached [pid 442] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 437] <... futex resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 437] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 443] set_robust_list(0x7fe952cd39a0, 24 [pid 442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 441] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 444 attached [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 444 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 445 [pid 444] set_robust_list(0x55555694b6a0, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 446 attached ci2-android-5-15/strace-static-x86_64: Process 445 attached [pid 443] <... set_robust_list resumed>) = 0 [pid 441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 443] rt_sigprocmask(SIG_SETMASK, [] [pid 442] <... clone3 resumed> => {parent_tid=[446]}, 88) = 446 [pid 441] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 446] set_robust_list(0x7fe952cd39a0, 24 [pid 445] set_robust_list(0x55555694b6a0, 24 [pid 443] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 442] rt_sigprocmask(SIG_SETMASK, [] [pid 444] <... set_robust_list resumed>) = 0 [pid 442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 442] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] mkdirat(AT_FDCWD, "./debug", 0777 [pid 442] <... futex resumed>) = 0 [pid 442] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 444] rt_sigprocmask(SIG_SETMASK, [] [pid 446] <... set_robust_list resumed>) = 0 [pid 443] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... set_robust_list resumed>) = 0 [pid 441] <... openat resumed>) = 4 [pid 446] rt_sigprocmask(SIG_SETMASK, [] [pid 443] <... futex resumed>) = 1 [pid 441] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... futex resumed>) = 0 [pid 446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 443] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 441] <... futex resumed>) = 1 [pid 437] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... futex resumed>) = 0 [pid 446] mkdirat(AT_FDCWD, "./debug", 0777 [pid 445] rt_sigprocmask(SIG_SETMASK, [] [pid 443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 441] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] <... futex resumed>) = 0 [pid 435] exit_group(0 [pid 446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 443] mount(NULL, "./debug", "debugfs", 0, NULL [pid 441] <... futex resumed>) = ? [pid 439] <... futex resumed>) = ? [pid 437] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 435] <... exit_group resumed>) = ? [pid 446] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 443] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 441] +++ exited with 0 +++ [pid 439] +++ exited with 0 +++ [pid 443] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 437] <... futex resumed>) = 0 [pid 443] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 437] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... openat resumed>) = 3 [pid 437] <... futex resumed>) = 0 [pid 435] +++ exited with 0 +++ [pid 443] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 443] <... futex resumed>) = 0 [pid 437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 443] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 437] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 443] <... write resumed>) = -1 ESRCH (No such process) [pid 437] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 443] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 437] <... futex resumed>) = 0 [pid 443] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 437] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 446] <... futex resumed>) = 1 [pid 442] <... futex resumed>) = 0 [pid 437] rt_sigprocmask(SIG_BLOCK, ~[] [pid 446] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 445] <... prctl resumed>) = 0 [pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 442] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] setpgid(0, 0 [pid 444] <... prctl resumed>) = 0 [pid 442] <... futex resumed>) = 0 [pid 437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 446] mount(NULL, "./debug", "debugfs", 0, NULL [pid 442] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 446] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 446] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... clone3 resumed> => {parent_tid=[447]}, 88) = 447 [pid 446] <... futex resumed>) = 1 [pid 442] <... futex resumed>) = 0 [pid 437] rt_sigprocmask(SIG_SETMASK, [] [pid 446] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 442] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 446] <... openat resumed>) = 3 [pid 442] <... futex resumed>) = 0 [pid 437] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... futex resumed>) = 0 [pid 446] <... futex resumed>) = 0 [pid 445] <... setpgid resumed>) = 0 [pid 442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 437] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 446] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 442] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 447 attached [pid 446] <... write resumed>) = -1 ESRCH (No such process) [pid 445] <... openat resumed>) = 3 [pid 444] setpgid(0, 0 [pid 442] <... futex resumed>) = 0 [pid 446] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] write(3, "1000", 4 [pid 442] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] <... futex resumed>) = 0 [pid 445] <... write resumed>) = 4 [pid 442] <... futex resumed>) = 0 [pid 446] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 445] close(3 [pid 444] <... setpgid resumed>) = 0 [pid 442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 445] <... close resumed>) = 0 [pid 442] <... mmap resumed>) = 0x7fe952c92000 [pid 445] write(1, "executing program\n", 18 [pid 442] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 445] <... write resumed>) = 18 [pid 442] <... mprotect resumed>) = 0 executing program [pid 445] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] rt_sigprocmask(SIG_BLOCK, ~[] [pid 445] <... futex resumed>) = 0 [pid 442] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 445] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 445] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 442] <... clone3 resumed> => {parent_tid=[448]}, 88) = 448 [pid 445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 442] rt_sigprocmask(SIG_SETMASK, [] [pid 445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 445] <... mmap resumed>) = 0x7fe952cb3000 [pid 442] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 442] <... futex resumed>) = 0 [pid 445] <... mprotect resumed>) = 0 [pid 442] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 447] set_robust_list(0x7fe952cb29a0, 24 [pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 445] <... clone3 resumed> => {parent_tid=[449]}, 88) = 449 [pid 445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 445] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 445] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 449 attached [pid 449] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 447] <... set_robust_list resumed>) = 0 [pid 449] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... futex resumed>) = 0 [pid 445] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 445] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] mount(NULL, "./debug", "debugfs", 0, NULL [pid 447] rt_sigprocmask(SIG_SETMASK, [] [pid 444] <... openat resumed>) = 3 [pid 449] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 449] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... futex resumed>) = 0 [pid 445] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 445] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... futex resumed>) = 1 [pid 449] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 447] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 449] <... openat resumed>) = 3 [pid 449] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... futex resumed>) = 0 [pid 445] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 445] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 445] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 445] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 450 attached ci2-android-5-15/strace-static-x86_64: Process 448 attached [pid 449] <... futex resumed>) = 1 [pid 447] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 444] write(3, "1000", 4 [pid 445] <... clone3 resumed> => {parent_tid=[450]}, 88) = 450 [pid 445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 445] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 445] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 450] set_robust_list(0x7fe952cb29a0, 24 [pid 449] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 448] set_robust_list(0x7fe952cb29a0, 24 [pid 447] <... openat resumed>) = 4 [pid 444] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 451 attached [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 451 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 451] set_robust_list(0x55555694b6a0, 24 [pid 447] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] close(3 [pid 451] <... set_robust_list resumed>) = 0 [pid 451] rt_sigprocmask(SIG_SETMASK, [] [pid 444] <... close resumed>) = 0 [pid 447] <... futex resumed>) = 1 [pid 437] <... futex resumed>) = 0 [pid 451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 451] setpgid(0, 0) = 0 [pid 451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 447] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] write(1, "executing program\n", 18 [pid 437] exit_group(0 [pid 451] write(3, "1000", 4 [pid 437] <... exit_group resumed>) = ? [pid 443] <... futex resumed>) = ? executing program [pid 447] <... futex resumed>) = ? [pid 444] <... write resumed>) = 18 [pid 451] <... write resumed>) = 4 [pid 451] close(3) = 0 executing program [pid 451] write(1, "executing program\n", 18) = 18 [pid 451] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 451] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 451] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 443] +++ exited with 0 +++ [pid 451] <... mprotect resumed>) = 0 [pid 451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 444] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[452]}, 88) = 452 [pid 451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 451] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 451] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 452 attached [pid 452] set_robust_list(0x7fe952cd39a0, 24 [pid 447] +++ exited with 0 +++ [pid 437] +++ exited with 0 +++ [pid 452] <... set_robust_list resumed>) = 0 [pid 444] <... futex resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 452] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 452] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 451] <... futex resumed>) = 0 [pid 451] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 451] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 452] <... futex resumed>) = 1 [pid 452] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 444] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 452] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 451] <... futex resumed>) = 0 [pid 451] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 451] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 452] <... futex resumed>) = 1 [pid 452] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 448] <... set_robust_list resumed>) = 0 [pid 450] <... set_robust_list resumed>) = 0 [pid 449] <... write resumed>) = -1 ESRCH (No such process) [pid 444] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 452] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 451] <... futex resumed>) = 0 [pid 451] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 451] <... futex resumed>) = 0 [pid 451] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 451] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 451] rt_sigprocmask(SIG_BLOCK, ~[] [pid 449] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] rt_sigprocmask(SIG_SETMASK, [] [pid 444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 451] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 444] <... mmap resumed>) = 0x7fe952cb3000 [pid 451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 448] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 444] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 451] <... clone3 resumed> => {parent_tid=[453]}, 88) = 453 [pid 451] rt_sigprocmask(SIG_SETMASK, [] [pid 444] rt_sigprocmask(SIG_BLOCK, ~[] [pid 451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 449] <... futex resumed>) = 0 [pid 444] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 448] <... openat resumed>) = 4 [pid 444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 449] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 451] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... clone3 resumed> => {parent_tid=[454]}, 88) = 454 [pid 451] <... futex resumed>) = 0 [pid 444] rt_sigprocmask(SIG_SETMASK, [] [pid 448] <... futex resumed>) = 1 [pid 444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 451] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 448] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 454 attached [pid 450] rt_sigprocmask(SIG_SETMASK, [] [pid 444] <... futex resumed>) = 0 [pid 442] exit_group(0 [pid 448] <... futex resumed>) = ? [pid 446] <... futex resumed>) = ? [pid 444] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 453 attached [pid 454] set_robust_list(0x7fe952cd39a0, 24 [pid 452] <... futex resumed>) = 1 [pid 450] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 448] +++ exited with 0 +++ [pid 446] +++ exited with 0 +++ [pid 454] <... set_robust_list resumed>) = 0 [pid 453] set_robust_list(0x7fe952cb29a0, 24 [pid 452] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 450] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 442] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 452] <... write resumed>) = -1 ESRCH (No such process) [pid 454] rt_sigprocmask(SIG_SETMASK, [] [pid 452] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 450] <... openat resumed>) = 4 [pid 454] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 452] <... futex resumed>) = 0 [pid 454] mkdirat(AT_FDCWD, "./debug", 0777 [pid 452] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 454] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 454] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 453] <... set_robust_list resumed>) = 0 [pid 453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 453] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 444] <... futex resumed>) = 0 [pid 450] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 450] <... futex resumed>) = 1 [pid 445] <... futex resumed>) = 0 [pid 445] exit_group(0) = ? [pid 454] <... futex resumed>) = 0 [pid 449] <... futex resumed>) = ? [pid 454] mount(NULL, "./debug", "debugfs", 0, NULL [pid 444] <... futex resumed>) = 1 [pid 449] +++ exited with 0 +++ [pid 454] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 453] <... openat resumed>) = 4 [pid 444] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 454] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 454] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 453] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 451] <... futex resumed>) = 0 [pid 451] exit_group(0 [pid 452] <... futex resumed>) = ? [pid 451] <... exit_group resumed>) = ? [pid 450] +++ exited with 0 +++ [pid 445] +++ exited with 0 +++ [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 453] <... futex resumed>) = ? [pid 444] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 444] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 453] +++ exited with 0 +++ [pid 454] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 454] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 454] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 454] <... futex resumed>) = 1 [pid 452] +++ exited with 0 +++ [pid 451] +++ exited with 0 +++ [pid 444] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 454] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 444] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 444] <... futex resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 444] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 444] <... futex resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 455 attached [pid 454] <... write resumed>) = -1 ESRCH (No such process) [pid 444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 456 [pid 444] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 454] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... mprotect resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 455 [pid 444] rt_sigprocmask(SIG_BLOCK, ~[] [pid 454] <... futex resumed>) = 0 [pid 444] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 456 attached [pid 455] set_robust_list(0x55555694b6a0, 24 [pid 454] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 444] <... clone3 resumed> => {parent_tid=[457]}, 88) = 457 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 456] set_robust_list(0x55555694b6a0, 24 [pid 455] <... set_robust_list resumed>) = 0 [pid 444] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 458 [pid 444] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 444] <... futex resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 458 attached [pid 456] <... set_robust_list resumed>) = 0 [pid 455] rt_sigprocmask(SIG_SETMASK, [] [pid 444] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 457 attached [pid 457] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 457] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 457] <... openat resumed>) = 4 [pid 457] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... futex resumed>) = 0 [pid 444] exit_group(0) = ? [pid 458] set_robust_list(0x55555694b6a0, 24 [pid 456] rt_sigprocmask(SIG_SETMASK, [] [pid 455] <... prctl resumed>) = 0 [pid 454] <... futex resumed>) = ? [pid 457] <... futex resumed>) = ? [pid 457] +++ exited with 0 +++ [pid 458] <... set_robust_list resumed>) = 0 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 458] setpgid(0, 0) = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 454] +++ exited with 0 +++ [pid 444] +++ exited with 0 +++ [pid 458] <... openat resumed>) = 3 [pid 456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 455] setpgid(0, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 458] write(3, "1000", 4) = 4 [pid 458] close(3) = 0 [pid 458] write(1, "executing program\n", 18) = 18 [pid 458] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 455] <... setpgid resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 458] <... futex resumed>) = 0 [pid 458] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 458] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 455] <... openat resumed>) = 3 [pid 458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[459]}, 88) = 459 [pid 456] <... prctl resumed>) = 0 [pid 455] write(3, "1000", 4 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 459 attached [pid 459] set_robust_list(0x7fe952cd39a0, 24 [pid 456] setpgid(0, 0 [pid 455] <... write resumed>) = 4 [pid 459] <... set_robust_list resumed>) = 0 [pid 459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 459] mkdirat(AT_FDCWD, "./debug", 0777 [pid 456] <... setpgid resumed>) = 0 [pid 455] close(3 [pid 459] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 459] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 458] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 459] <... futex resumed>) = 1 [pid 459] mount(NULL, "./debug", "debugfs", 0, NULL [pid 455] <... close resumed>) = 0 [pid 456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 455] write(1, "executing program\n", 18) = 18 [pid 459] <... mount resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 459] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... openat resumed>) = 3 [pid 455] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] <... futex resumed>) = 0 [pid 456] write(3, "1000", 4 [pid 455] <... futex resumed>) = 0 [pid 458] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 456] <... write resumed>) = 4 [pid 455] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 458] <... futex resumed>) = 0 [pid 456] close(3 [pid 455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 458] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 456] <... close resumed>) = 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 459] <... futex resumed>) = 1 [pid 456] write(1, "executing program\n", 18 [pid 455] <... mmap resumed>) = 0x7fe952cb3000 [pid 459] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 456] <... write resumed>) = 18 executing program [pid 455] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 456] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... mprotect resumed>) = 0 [pid 459] <... openat resumed>) = 3 [pid 455] rt_sigprocmask(SIG_BLOCK, ~[] [pid 456] <... futex resumed>) = 0 [pid 455] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 459] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 456] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 458] <... futex resumed>) = 0 [pid 456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 455] <... clone3 resumed> => {parent_tid=[460]}, 88) = 460 [pid 458] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 455] rt_sigprocmask(SIG_SETMASK, [] [pid 458] <... futex resumed>) = 0 [pid 456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 458] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... mmap resumed>) = 0x7fe952cb3000 [pid 455] <... futex resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 456] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 455] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 458] <... futex resumed>) = 0 [pid 458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 456] <... mprotect resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 458] <... mmap resumed>) = 0x7fe952c92000 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 456] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 458] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 456] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 458] <... clone3 resumed> => {parent_tid=[462]}, 88) = 462 [pid 456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 461 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 458] <... futex resumed>) = 0 [pid 458] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... clone3 resumed> => {parent_tid=[463]}, 88) = 463 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 456] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 456] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 456] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 459] <... futex resumed>) = 1 [pid 459] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 459] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 459] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 464 ci2-android-5-15/strace-static-x86_64: Process 463 attached [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 463] set_robust_list(0x7fe952cd39a0, 24 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 463] <... set_robust_list resumed>) = 0 [pid 463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 463] mkdirat(AT_FDCWD, "./debug", 0777ci2-android-5-15/strace-static-x86_64: Process 462 attached ) = -1 EEXIST (File exists) [pid 463] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 463] mount(NULL, "./debug", "debugfs", 0, NULL [pid 456] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 456] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] set_robust_list(0x7fe952cb29a0, 24ci2-android-5-15/strace-static-x86_64: Process 464 attached [pid 463] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 462] <... set_robust_list resumed>) = 0 [pid 464] set_robust_list(0x55555694b6a0, 24 [pid 463] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 456] <... futex resumed>) = 0 [pid 463] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 456] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 456] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 463] <... openat resumed>) = 3 [pid 463] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... futex resumed>) = 0 [pid 456] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 463] <... futex resumed>) = 1 [pid 456] <... futex resumed>) = 0 [pid 456] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 463] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 456] <... futex resumed>) = 0 [pid 456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 463] <... write resumed>) = -1 ESRCH (No such process) [pid 456] <... mmap resumed>) = 0x7fe952c92000 [pid 463] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 463] <... futex resumed>) = 0 [pid 456] <... mprotect resumed>) = 0 [pid 456] rt_sigprocmask(SIG_BLOCK, ~[] [pid 463] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 460 attached [pid 460] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 460] rt_sigprocmask(SIG_SETMASK, [] [pid 456] <... clone3 resumed> => {parent_tid=[465]}, 88) = 465 [pid 460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 456] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 456] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] mkdirat(AT_FDCWD, "./debug", 0777ci2-android-5-15/strace-static-x86_64: Process 461 attached [pid 464] <... set_robust_list resumed>) = 0 [pid 462] rt_sigprocmask(SIG_SETMASK, [] [pid 460] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 460] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] rt_sigprocmask(SIG_SETMASK, [] [pid 462] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 461] set_robust_list(0x55555694b6a0, 24 [pid 460] <... futex resumed>) = 1 [pid 455] <... futex resumed>) = 0 [pid 460] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 465 attached [pid 465] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 462] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 455] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 455] <... futex resumed>) = 1 [pid 460] <... futex resumed>) = 0 [pid 455] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] mount(NULL, "./debug", "debugfs", 0, NULL [pid 462] <... openat resumed>) = 4 [pid 464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 460] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 460] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 455] <... futex resumed>) = 0 [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 462] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... prctl resumed>) = 0 [pid 460] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 455] <... futex resumed>) = 0 [pid 462] <... futex resumed>) = 1 [pid 464] setpgid(0, 0 [pid 455] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... setpgid resumed>) = 0 [pid 458] <... futex resumed>) = 0 [pid 462] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 461] <... set_robust_list resumed>) = 0 [pid 458] exit_group(0 [pid 459] <... futex resumed>) = ? [pid 458] <... exit_group resumed>) = ? [pid 459] +++ exited with 0 +++ [pid 464] <... openat resumed>) = 3 [pid 462] <... futex resumed>) = ? [pid 461] rt_sigprocmask(SIG_SETMASK, [] [pid 460] <... openat resumed>) = 3 [pid 465] <... openat resumed>) = 4 [pid 464] write(3, "1000", 4 [pid 462] +++ exited with 0 +++ [pid 461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 458] +++ exited with 0 +++ [pid 465] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... write resumed>) = 4 [pid 460] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 464] close(3 [pid 460] <... futex resumed>) = 1 [pid 455] <... futex resumed>) = 0 [pid 465] <... futex resumed>) = 1 [pid 460] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 456] <... futex resumed>) = 0 [pid 455] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 465] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] <... close resumed>) = 0 [pid 461] <... prctl resumed>) = 0 executing program [pid 460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] exit_group(0 [pid 460] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 455] <... futex resumed>) = 0 [pid 464] write(1, "executing program\n", 18 [pid 461] setpgid(0, 0 [pid 456] <... exit_group resumed>) = ? [pid 455] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 460] <... write resumed>) = -1 ESRCH (No such process) [pid 465] <... futex resumed>) = ? [pid 460] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... futex resumed>) = 0 [pid 465] +++ exited with 0 +++ [pid 464] <... write resumed>) = 18 [pid 461] <... setpgid resumed>) = 0 [pid 460] <... futex resumed>) = 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 464] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 460] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 455] <... mmap resumed>) = 0x7fe952c92000 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 464] <... futex resumed>) = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 455] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 455] rt_sigprocmask(SIG_BLOCK, ~[] [pid 464] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 461] <... openat resumed>) = 3 [pid 455] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 461] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 461] <... write resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 461] close(3 [pid 455] <... clone3 resumed> => {parent_tid=[466]}, 88) = 466 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 466 attached [pid 464] <... mmap resumed>) = 0x7fe952cb3000 [pid 463] <... futex resumed>) = ? [pid 461] <... close resumed>) = 0 [pid 455] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 467 attached [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 467 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] set_robust_list(0x55555694b6a0, 24) = 0 [pid 467] rt_sigprocmask(SIG_SETMASK, [] [pid 463] +++ exited with 0 +++ [pid 456] +++ exited with 0 +++ executing program [pid 464] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 455] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 461] write(1, "executing program\n", 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 464] <... mprotect resumed>) = 0 [pid 461] <... write resumed>) = 18 [pid 455] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 455] <... futex resumed>) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[] [pid 461] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 461] <... futex resumed>) = 0 [pid 467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 466] set_robust_list(0x7fe952cb29a0, 24 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 461] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 464] <... clone3 resumed> => {parent_tid=[468]}, 88) = 468 [pid 464] rt_sigprocmask(SIG_SETMASK, [] [pid 461] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 464] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 464] <... futex resumed>) = 0 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 464] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] <... mmap resumed>) = 0x7fe952cb3000 [pid 461] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[469]}, 88) = 469 ci2-android-5-15/strace-static-x86_64: Process 469 attached ci2-android-5-15/strace-static-x86_64: Process 468 attached [pid 467] <... prctl resumed>) = 0 [pid 466] <... set_robust_list resumed>) = 0 [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] set_robust_list(0x7fe952cd39a0, 24 [pid 467] setpgid(0, 0 [pid 469] <... set_robust_list resumed>) = 0 [pid 469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 469] mkdirat(AT_FDCWD, "./debug", 0777 [pid 467] <... setpgid resumed>) = 0 [pid 469] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 469] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... futex resumed>) = 1 [pid 469] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 468] set_robust_list(0x7fe952cd39a0, 24 [pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 466] rt_sigprocmask(SIG_SETMASK, [] [pid 467] <... openat resumed>) = 3 [pid 467] write(3, "1000", 4) = 4 [pid 467] close(3) = 0 [pid 468] <... set_robust_list resumed>) = 0 [pid 467] write(1, "executing program\n", 18 [pid 468] rt_sigprocmask(SIG_SETMASK, [] [pid 467] <... write resumed>) = 18 [pid 468] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 467] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] mkdirat(AT_FDCWD, "./debug", 0777 [pid 467] <... futex resumed>) = 0 [pid 468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 467] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 468] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 468] <... futex resumed>) = 1 executing program [pid 467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 468] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 467] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 469] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 464] <... futex resumed>) = 0 [pid 469] <... futex resumed>) = 1 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[] [pid 461] <... futex resumed>) = 0 [pid 467] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 461] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 470 attached [pid 466] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 464] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... clone3 resumed> => {parent_tid=[470]}, 88) = 470 [pid 461] <... futex resumed>) = 0 [pid 467] rt_sigprocmask(SIG_SETMASK, [] [pid 461] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 467] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 464] <... futex resumed>) = 1 [pid 468] <... futex resumed>) = 0 [pid 468] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 464] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 468] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 469] <... openat resumed>) = 3 [pid 464] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... futex resumed>) = 0 [pid 461] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 469] <... futex resumed>) = 1 [pid 461] <... mmap resumed>) = 0x7fe952c92000 [pid 469] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 468] <... futex resumed>) = 0 [pid 464] <... futex resumed>) = 1 [pid 461] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 469] <... write resumed>) = -1 ESRCH (No such process) [pid 468] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 461] <... mprotect resumed>) = 0 [pid 469] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... openat resumed>) = 3 [pid 464] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 461] rt_sigprocmask(SIG_BLOCK, ~[] [pid 469] <... futex resumed>) = 0 [pid 468] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... openat resumed>) = 4 [pid 461] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 469] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] <... futex resumed>) = 0 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 471 attached [pid 470] set_robust_list(0x7fe952cd39a0, 24 [pid 468] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 466] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 461] <... clone3 resumed> => {parent_tid=[471]}, 88) = 471 [pid 471] set_robust_list(0x7fe952cb29a0, 24 [pid 470] <... set_robust_list resumed>) = 0 [pid 466] <... futex resumed>) = 1 [pid 464] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] rt_sigprocmask(SIG_SETMASK, [] [pid 455] <... futex resumed>) = 0 [pid 461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 461] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 461] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] <... set_robust_list resumed>) = 0 [pid 470] rt_sigprocmask(SIG_SETMASK, [] [pid 468] <... futex resumed>) = 0 [pid 466] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] <... futex resumed>) = 1 [pid 455] exit_group(0 [pid 471] rt_sigprocmask(SIG_SETMASK, [] [pid 470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 466] <... futex resumed>) = ? [pid 464] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 460] <... futex resumed>) = ? [pid 455] <... exit_group resumed>) = ? [pid 468] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 470] mkdirat(AT_FDCWD, "./debug", 0777 [pid 468] <... write resumed>) = -1 ESRCH (No such process) [pid 466] +++ exited with 0 +++ [pid 464] <... futex resumed>) = 0 [pid 460] +++ exited with 0 +++ [pid 455] +++ exited with 0 +++ [pid 471] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 470] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 471] <... openat resumed>) = 4 [pid 470] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... mmap resumed>) = 0x7fe952c92000 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 471] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] <... futex resumed>) = 1 [pid 467] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 471] <... futex resumed>) = 1 [pid 470] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 471] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 467] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 470] mount(NULL, "./debug", "debugfs", 0, NULL [pid 468] <... futex resumed>) = 0 [pid 467] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 461] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 472 attached [pid 470] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 472] set_robust_list(0x55555694b6a0, 24 [pid 470] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 472 [pid 472] <... set_robust_list resumed>) = 0 [pid 470] <... futex resumed>) = 1 [pid 467] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 472] rt_sigprocmask(SIG_SETMASK, [] [pid 470] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 467] <... futex resumed>) = 0 [pid 472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 470] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 467] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... prctl resumed>) = 0 [pid 470] <... openat resumed>) = 3 [pid 464] <... mprotect resumed>) = 0 [pid 461] exit_group(0 [pid 472] setpgid(0, 0 [pid 470] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... setpgid resumed>) = 0 [pid 471] <... futex resumed>) = ? [pid 470] <... futex resumed>) = 1 [pid 467] <... futex resumed>) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[] [pid 461] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 471] +++ exited with 0 +++ [pid 470] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 472] <... openat resumed>) = 3 [pid 470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 467] <... futex resumed>) = 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 472] write(3, "1000", 4 [pid 470] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 467] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... write resumed>) = 4 [pid 470] <... write resumed>) = -1 ESRCH (No such process) [pid 467] <... futex resumed>) = 0 [pid 472] close(3 [pid 470] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 472] <... close resumed>) = 0 [pid 470] <... futex resumed>) = 0 [pid 467] <... mmap resumed>) = 0x7fe952c92000 [pid 464] <... clone3 resumed> => {parent_tid=[473]}, 88) = 473 [pid 472] write(1, "executing program\n", 18 [pid 470] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 472] <... write resumed>) = 18 [pid 467] <... mprotect resumed>) = 0 [pid 472] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[] [pid 472] <... futex resumed>) = 0 [pid 467] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 464] rt_sigprocmask(SIG_SETMASK, [] [pid 472] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} executing program [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 474 [pid 472] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 468] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 467] <... clone3 resumed> => {parent_tid=[475]}, 88) = 475 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 467] rt_sigprocmask(SIG_SETMASK, [] [pid 464] <... futex resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 464] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] <... mmap resumed>) = 0x7fe952cb3000 [pid 467] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 467] <... futex resumed>) = 0 [pid 472] <... mprotect resumed>) = 0 [pid 467] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 472] rt_sigprocmask(SIG_BLOCK, ~[] [pid 469] <... futex resumed>) = ? [pid 472] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[476]}, 88) = 476 [pid 472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 472] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 473 attached [pid 473] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 473] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 473] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 473] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 475 attached [pid 464] exit_group(0 [pid 475] set_robust_list(0x7fe952cb29a0, 24 [pid 473] <... futex resumed>) = ? [pid 468] <... futex resumed>) = ? [pid 464] <... exit_group resumed>) = ? [pid 473] +++ exited with 0 +++ [pid 475] <... set_robust_list resumed>) = 0 [pid 475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 475] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 475] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 468] +++ exited with 0 +++ [pid 467] exit_group(0 [pid 464] +++ exited with 0 +++ [pid 470] <... futex resumed>) = ? [pid 467] <... exit_group resumed>) = ? [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 470] +++ exited with 0 +++ [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 475] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 476 attached ci2-android-5-15/strace-static-x86_64: Process 474 attached [pid 475] +++ exited with 0 +++ [pid 469] +++ exited with 0 +++ [pid 467] +++ exited with 0 +++ [pid 461] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 476] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 476] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 476] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 476] <... futex resumed>) = 1 [pid 476] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 476] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 476] <... futex resumed>) = 1 [pid 476] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 476] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] <... futex resumed>) = 0 [pid 472] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 472] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[477]}, 88) = 477 [pid 472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 472] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] <... futex resumed>) = 1 [pid 472] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 476] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 476] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 476] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 474] set_robust_list(0x55555694b6a0, 24) = 0 ci2-android-5-15/strace-static-x86_64: Process 477 attached [pid 474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... restart_syscall resumed>) = 0 [pid 477] set_robust_list(0x7fe952cb29a0, 24 [pid 474] <... prctl resumed>) = 0 [pid 474] setpgid(0, 0) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 477] <... set_robust_list resumed>) = 0 [pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 477] rt_sigprocmask(SIG_SETMASK, [] [pid 474] <... openat resumed>) = 3 [pid 474] write(3, "1000", 4 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 474] <... write resumed>) = 4 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 474] close(3 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 478 attached [pid 477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 474] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 474] write(1, "executing program\n", 18 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 478 [pid 474] <... write resumed>) = 18 executing program [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 474] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 474] <... futex resumed>) = 0 [pid 474] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 474] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 474] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 474] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[479]}, 88) = 479 [pid 477] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 474] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 479 attached [pid 479] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 479] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 479] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] <... futex resumed>) = 0 [pid 474] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 479] <... futex resumed>) = 1 [pid 479] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 479] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] <... futex resumed>) = 0 [pid 474] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 480 [pid 474] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 479] <... futex resumed>) = 1 [pid 479] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 479] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] <... futex resumed>) = 0 [pid 474] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 474] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 474] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[481]}, 88) = 481 [pid 474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 474] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 474] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 479] <... futex resumed>) = 1 [pid 479] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 479] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 479] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 480 attached [pid 480] set_robust_list(0x55555694b6a0, 24) = 0 [pid 480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 480] setpgid(0, 0) = 0 [pid 480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 482 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 480] <... openat resumed>) = 3 [pid 480] write(3, "1000", 4) = 4 [pid 480] close(3) = 0 [pid 480] write(1, "executing program\n", 18) = 18 [pid 480] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 executing program [pid 477] <... openat resumed>) = 4 [pid 480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 480] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 477] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 477] <... futex resumed>) = 1 [pid 472] <... futex resumed>) = 0 [pid 480] <... clone3 resumed> => {parent_tid=[483]}, 88) = 483 [pid 477] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] exit_group(0 [pid 480] rt_sigprocmask(SIG_SETMASK, [] [pid 477] <... futex resumed>) = ? [pid 476] <... futex resumed>) = ? [pid 472] <... exit_group resumed>) = ? [pid 476] +++ exited with 0 +++ [pid 480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 480] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 482 attached [pid 482] set_robust_list(0x55555694b6a0, 24) = 0 [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 482] setpgid(0, 0) = 0 [pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 482] write(3, "1000", 4) = 4 [pid 482] close(3) = 0 [pid 482] write(1, "executing program\n", 18) = 18 executing program [pid 482] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] +++ exited with 0 +++ [pid 472] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 482] <... futex resumed>) = 0 [pid 482] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 482] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 478] set_robust_list(0x55555694b6a0, 24ci2-android-5-15/strace-static-x86_64: Process 481 attached [pid 482] rt_sigprocmask(SIG_BLOCK, ~[] [pid 478] <... set_robust_list resumed>) = 0 [pid 482] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[484]}, 88) = 484 [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 482] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 478] rt_sigprocmask(SIG_SETMASK, [] [pid 482] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 483 attached [pid 483] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 483] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 483] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] <... futex resumed>) = 0 [pid 480] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 483] <... futex resumed>) = 1 [pid 483] mount(NULL, "./debug", "debugfs", 0, NULL [pid 478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 483] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 483] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] <... futex resumed>) = 0 [pid 480] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 483] <... futex resumed>) = 1 [pid 483] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 483] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] <... futex resumed>) = 0 [pid 480] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 480] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 478] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 485 attached [pid 481] set_robust_list(0x7fe952cb29a0, 24 [pid 480] <... clone3 resumed> => {parent_tid=[485]}, 88) = 485 [pid 306] <... restart_syscall resumed>) = 0 [pid 481] <... set_robust_list resumed>) = 0 [pid 478] <... prctl resumed>) = 0 [pid 485] set_robust_list(0x7fe952cb29a0, 24 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 485] <... set_robust_list resumed>) = 0 [pid 481] rt_sigprocmask(SIG_SETMASK, [] [pid 478] setpgid(0, 0 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 486 [pid 478] <... setpgid resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 481] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 486 attached [pid 485] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 480] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 480] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 483] <... futex resumed>) = 1 [pid 483] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 483] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 483] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 484 attached [pid 484] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 484] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 484] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 482] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 484] <... futex resumed>) = 1 [pid 484] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 484] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 478] <... openat resumed>) = 3 [pid 482] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 484] <... futex resumed>) = 1 [pid 484] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 484] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 482] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 482] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 482] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 487 attached [pid 486] set_robust_list(0x55555694b6a0, 24 [pid 485] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 481] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 478] write(3, "1000", 4 [pid 482] <... clone3 resumed> => {parent_tid=[487]}, 88) = 487 [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 482] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 482] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 484] <... futex resumed>) = 1 [pid 484] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 484] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 484] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 486] <... set_robust_list resumed>) = 0 [pid 486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 486] setpgid(0, 0) = 0 [pid 486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 486] write(3, "1000", 4) = 4 [pid 486] close(3) = 0 [pid 486] write(1, "executing program\n", 18) = 18 executing program [pid 486] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 486] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 486] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[488]}, 88) = 488 [pid 486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... openat resumed>) = 4 [pid 485] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 478] <... write resumed>) = 4 [pid 486] <... futex resumed>) = 0 [pid 486] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 488 attached [pid 488] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 488] mkdirat(AT_FDCWD, "./debug", 0777 [pid 478] close(3 [pid 481] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 488] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... futex resumed>) = 0 [pid 486] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] <... openat resumed>) = 4 [pid 481] <... futex resumed>) = 1 [pid 478] <... close resumed>) = 0 [pid 474] <... futex resumed>) = 0 [pid 485] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... futex resumed>) = 1 [pid 488] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 488] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... futex resumed>) = 0 [pid 474] exit_group(0 [pid 485] <... futex resumed>) = 1 [pid 478] write(1, "executing program\n", 18 [pid 474] <... exit_group resumed>) = ? [pid 485] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 478] <... write resumed>) = 18 [pid 486] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] <... futex resumed>) = 0 [pid 479] <... futex resumed>) = ? executing program [pid 487] set_robust_list(0x7fe952cb29a0, 24 [pid 486] <... futex resumed>) = 0 [pid 481] +++ exited with 0 +++ [pid 480] exit_group(0 [pid 479] +++ exited with 0 +++ [pid 478] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] +++ exited with 0 +++ [pid 486] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 485] <... futex resumed>) = ? [pid 483] <... futex resumed>) = ? [pid 480] <... exit_group resumed>) = ? [pid 478] <... futex resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 478] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 485] +++ exited with 0 +++ [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 478] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 487] <... set_robust_list resumed>) = 0 [pid 483] +++ exited with 0 +++ [pid 480] +++ exited with 0 +++ [pid 478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 488] <... futex resumed>) = 1 [pid 478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 478] <... mmap resumed>) = 0x7fe952cb3000 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 488] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 478] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 488] <... openat resumed>) = 3 [pid 488] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 486] <... futex resumed>) = 0 [pid 478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 486] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 478] <... clone3 resumed> => {parent_tid=[489]}, 88) = 489 [pid 478] rt_sigprocmask(SIG_SETMASK, [] [pid 486] <... futex resumed>) = 0 [pid 478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 478] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... mmap resumed>) = 0x7fe952c92000 [pid 486] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 478] <... futex resumed>) = 0 [pid 486] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 478] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[490]}, 88) = 490 [pid 486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 486] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 488] <... futex resumed>) = 1 [pid 488] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 488] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 488] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 489 attached ci2-android-5-15/strace-static-x86_64: Process 490 attached [pid 487] rt_sigprocmask(SIG_SETMASK, [] [pid 489] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 489] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 489] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 489] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 487] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 478] <... futex resumed>) = 0 [pid 478] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 490] set_robust_list(0x7fe952cb29a0, 24 [pid 478] <... futex resumed>) = 1 [pid 478] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 490] <... set_robust_list resumed>) = 0 [pid 489] <... futex resumed>) = 0 [pid 487] <... openat resumed>) = 4 [pid 487] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] <... futex resumed>) = 0 [pid 482] exit_group(0 [pid 484] <... futex resumed>) = ? [pid 482] <... exit_group resumed>) = ? [pid 490] rt_sigprocmask(SIG_SETMASK, [] [pid 489] mount(NULL, "./debug", "debugfs", 0, NULL [pid 484] +++ exited with 0 +++ [pid 490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 487] <... futex resumed>) = ? [pid 490] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 490] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 487] +++ exited with 0 +++ [pid 482] +++ exited with 0 +++ [pid 490] <... futex resumed>) = 1 [pid 489] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... futex resumed>) = 0 [pid 486] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 490] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 489] <... futex resumed>) = 1 [pid 478] <... futex resumed>) = 0 [pid 489] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 478] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 478] <... futex resumed>) = 0 [pid 486] <... exit_group resumed>) = ? [pid 478] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 490] <... futex resumed>) = ? [pid 489] <... openat resumed>) = 3 [pid 490] +++ exited with 0 +++ [pid 489] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 478] <... futex resumed>) = 0 [pid 489] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 478] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 478] <... futex resumed>) = 0 [pid 489] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 478] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... write resumed>) = -1 ESRCH (No such process) [pid 478] <... futex resumed>) = 0 [pid 489] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 489] <... futex resumed>) = 0 [pid 478] <... mmap resumed>) = 0x7fe952c92000 [pid 489] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 478] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 488] <... futex resumed>) = ? [pid 478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 488] +++ exited with 0 +++ [pid 486] +++ exited with 0 +++ [pid 478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 478] <... clone3 resumed> => {parent_tid=[491]}, 88) = 491 [pid 478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 478] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 478] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 491 attached [pid 491] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 491] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 491] <... openat resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 493 attached ci2-android-5-15/strace-static-x86_64: Process 492 attached [pid 491] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 494 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 493 [pid 492] set_robust_list(0x55555694b6a0, 24 [pid 491] <... futex resumed>) = 1 [pid 478] <... futex resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 492 [pid 493] set_robust_list(0x55555694b6a0, 24 [pid 478] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 491] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 491] <... futex resumed>) = -1 ENOSYS (Function not implemented) [pid 478] <... exit_group resumed>) = ? [pid 493] <... set_robust_list resumed>) = 0 [pid 492] <... set_robust_list resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 491] +++ exited with 0 +++ [pid 489] <... futex resumed>) = ? [pid 492] rt_sigprocmask(SIG_SETMASK, [] [pid 493] rt_sigprocmask(SIG_SETMASK, [] [pid 492] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 494 attached [pid 493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 492] <... prctl resumed>) = 0 [pid 493] <... prctl resumed>) = 0 [pid 492] setpgid(0, 0 [pid 494] set_robust_list(0x55555694b6a0, 24 [pid 493] setpgid(0, 0 [pid 492] <... setpgid resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 493] <... setpgid resumed>) = 0 [pid 494] <... set_robust_list resumed>) = 0 [pid 492] <... openat resumed>) = 3 [pid 489] +++ exited with 0 +++ [pid 478] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 492] write(3, "1000", 4 [pid 494] rt_sigprocmask(SIG_SETMASK, [] [pid 493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 492] <... write resumed>) = 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 492] close(3 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 495 [pid 492] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 495 attached [pid 495] set_robust_list(0x55555694b6a0, 24) = 0 [pid 492] write(1, "executing program\n", 18 executing program [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 493] <... openat resumed>) = 3 [pid 492] <... write resumed>) = 18 [pid 495] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 493] write(3, "1000", 4 [pid 492] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 492] <... futex resumed>) = 0 [pid 493] <... write resumed>) = 4 [pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 495] setpgid(0, 0) = 0 [pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 492] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 493] close(3 [pid 495] <... openat resumed>) = 3 [pid 495] write(3, "1000", 4 [pid 492] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 493] <... close resumed>) = 0 [pid 494] <... prctl resumed>) = 0 [pid 492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 493] write(1, "executing program\n", 18 [pid 495] <... write resumed>) = 4 [pid 495] close(3) = 0 executing program [pid 495] write(1, "executing program\n", 18) = 18 [pid 495] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} executing program [pid 493] <... write resumed>) = 18 [pid 492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 495] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 493] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] <... mmap resumed>) = 0x7fe952cb3000 [pid 495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 493] <... futex resumed>) = 0 [pid 492] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 492] <... mprotect resumed>) = 0 [pid 493] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 493] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 495] <... mmap resumed>) = 0x7fe952cb3000 [pid 495] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 492] <... clone3 resumed> => {parent_tid=[496]}, 88) = 496 [pid 493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 493] <... mmap resumed>) = 0x7fe952cb3000 [pid 492] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 492] <... futex resumed>) = 0 [pid 495] <... mprotect resumed>) = 0 [pid 492] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] <... mprotect resumed>) = 0 [pid 495] rt_sigprocmask(SIG_BLOCK, ~[] [pid 493] rt_sigprocmask(SIG_BLOCK, ~[] [pid 495] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 493] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 495] <... clone3 resumed> => {parent_tid=[497]}, 88) = 497 [pid 493] <... clone3 resumed> => {parent_tid=[498]}, 88) = 498 [pid 495] rt_sigprocmask(SIG_SETMASK, [] [pid 493] rt_sigprocmask(SIG_SETMASK, [] [pid 495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 495] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 493] <... futex resumed>) = 0 [pid 495] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 496 attached [pid 496] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 496] rt_sigprocmask(SIG_SETMASK, [] [pid 494] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 498 attached [pid 496] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 496] mkdirat(AT_FDCWD, "./debug", 0777 [pid 494] <... setpgid resumed>) = 0 [pid 498] set_robust_list(0x7fe952cd39a0, 24 [pid 496] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 496] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 496] mount(NULL, "./debug", "debugfs", 0, NULL [pid 492] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 496] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 496] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 496] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 492] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 492] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 496] <... openat resumed>) = 3 [pid 496] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 492] <... futex resumed>) = 0 [pid 494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 492] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 492] <... futex resumed>) = 0 [pid 492] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] <... write resumed>) = -1 ESRCH (No such process) [pid 494] <... openat resumed>) = 3 [pid 492] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 497 attached [pid 498] <... set_robust_list resumed>) = 0 [pid 492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 494] write(3, "1000", 4 [pid 304] <... restart_syscall resumed>) = 0 [pid 492] <... mmap resumed>) = 0x7fe952c92000 [pid 494] <... write resumed>) = 4 [pid 492] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 494] close(3 [pid 492] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 494] <... close resumed>) = 0 [pid 492] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 494] write(1, "executing program\n", 18 [pid 492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 496] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 496] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 497] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 497] mkdirat(AT_FDCWD, "./debug", 0777 executing program [pid 494] <... write resumed>) = 18 [pid 492] <... clone3 resumed> => {parent_tid=[499]}, 88) = 499 [pid 492] rt_sigprocmask(SIG_SETMASK, [] [pid 497] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 500 [pid 494] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 494] <... futex resumed>) = 0 [pid 492] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 494] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 492] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 494] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 497] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 495] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 500 attached ci2-android-5-15/strace-static-x86_64: Process 499 attached [pid 498] rt_sigprocmask(SIG_SETMASK, [] [pid 497] <... futex resumed>) = 1 [pid 494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 500] set_robust_list(0x55555694b6a0, 24) = 0 [pid 498] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 500] rt_sigprocmask(SIG_SETMASK, [] [pid 499] set_robust_list(0x7fe952cb29a0, 24 [pid 497] mount(NULL, "./debug", "debugfs", 0, NULL [pid 494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 498] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 498] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... futex resumed>) = 0 [pid 493] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 493] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 498] <... futex resumed>) = 1 [pid 498] mount(NULL, "./debug", "debugfs", 0, NULL [pid 500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 494] <... mmap resumed>) = 0x7fe952cb3000 [pid 498] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 494] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 498] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 493] <... futex resumed>) = 0 [pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 498] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 494] <... mprotect resumed>) = 0 [pid 493] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 499] <... set_robust_list resumed>) = 0 [pid 498] <... openat resumed>) = 3 [pid 493] <... futex resumed>) = 0 [pid 498] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 498] <... futex resumed>) = 0 [pid 494] rt_sigprocmask(SIG_BLOCK, ~[] [pid 493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 498] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 493] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... write resumed>) = -1 ESRCH (No such process) [pid 493] <... futex resumed>) = 0 [pid 498] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... futex resumed>) = 0 [pid 493] <... futex resumed>) = 0 [pid 494] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 500] <... prctl resumed>) = 0 [pid 499] rt_sigprocmask(SIG_SETMASK, [] [pid 498] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 493] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 494] <... clone3 resumed> => {parent_tid=[501]}, 88) = 501 [pid 493] rt_sigprocmask(SIG_BLOCK, ~[] [pid 494] rt_sigprocmask(SIG_SETMASK, [] [pid 493] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 494] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 493] <... clone3 resumed> => {parent_tid=[502]}, 88) = 502 [pid 500] setpgid(0, 0 [pid 499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 494] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 493] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 493] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 501 attached ci2-android-5-15/strace-static-x86_64: Process 502 attached [pid 500] <... setpgid resumed>) = 0 [pid 499] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 497] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 501] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 501] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 500] <... openat resumed>) = 3 [pid 501] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 494] <... futex resumed>) = 0 [pid 501] mount(NULL, "./debug", "debugfs", 0, NULL [pid 494] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 494] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 501] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 500] write(3, "1000", 4 [pid 501] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 494] <... futex resumed>) = 0 [pid 501] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 494] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 500] <... write resumed>) = 4 [pid 494] <... futex resumed>) = 0 [pid 494] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 501] <... openat resumed>) = 3 [pid 501] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 494] <... futex resumed>) = 0 [pid 500] close(3 [pid 494] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 501] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 494] <... futex resumed>) = 0 [pid 494] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 500] <... close resumed>) = 0 [pid 494] <... futex resumed>) = 0 [pid 501] <... write resumed>) = -1 ESRCH (No such process) [pid 500] write(1, "executing program\n", 18 [pid 494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 501] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 494] <... mmap resumed>) = 0x7fe952c92000 [pid 500] <... write resumed>) = 18 [pid 494] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 501] <... futex resumed>) = 0 [pid 494] <... mprotect resumed>) = 0 [pid 501] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 500] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 500] <... futex resumed>) = 0 [pid 494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 502] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 500] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 494] <... clone3 resumed> => {parent_tid=[503]}, 88) = 503 [pid 502] rt_sigprocmask(SIG_SETMASK, [] [pid 500] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 494] rt_sigprocmask(SIG_SETMASK, [] [pid 502] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 494] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 502] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 494] <... futex resumed>) = 0 [pid 494] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 500] <... mmap resumed>) = 0x7fe952cb3000 ci2-android-5-15/strace-static-x86_64: Process 503 attached [pid 503] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 503] rt_sigprocmask(SIG_SETMASK, [] [pid 500] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 503] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 503] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 497] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... futex resumed>) = 0 [pid 495] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... futex resumed>) = 1 [pid 497] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 500] <... mprotect resumed>) = 0 [pid 499] <... openat resumed>) = 4 [pid 497] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 500] rt_sigprocmask(SIG_BLOCK, ~[] [pid 495] <... futex resumed>) = 0 [pid 495] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 502] <... openat resumed>) = 4 [pid 500] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 495] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 502] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 499] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 502] <... futex resumed>) = 1 [pid 499] <... futex resumed>) = 1 [pid 495] <... mprotect resumed>) = 0 [pid 493] <... futex resumed>) = 0 [pid 492] <... futex resumed>) = 0 [pid 502] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 500] <... clone3 resumed> => {parent_tid=[504]}, 88) = 504 [pid 499] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 495] rt_sigprocmask(SIG_BLOCK, ~[] [pid 493] exit_group(0 [pid 492] exit_group(0 [pid 502] <... futex resumed>) = ? [pid 500] rt_sigprocmask(SIG_SETMASK, [] [pid 498] <... futex resumed>) = ? [pid 499] <... futex resumed>) = ? [pid 496] <... futex resumed>) = ? [pid 495] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 493] <... exit_group resumed>) = ? [pid 492] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 504 attached [pid 503] <... openat resumed>) = 4 [pid 502] +++ exited with 0 +++ [pid 500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 499] +++ exited with 0 +++ [pid 498] +++ exited with 0 +++ [pid 497] <... futex resumed>) = 1 [pid 496] +++ exited with 0 +++ [pid 495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 493] +++ exited with 0 +++ [pid 492] +++ exited with 0 +++ [pid 500] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] <... clone3 resumed> => {parent_tid=[505]}, 88) = 505 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 500] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 495] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 495] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 495] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16ci2-android-5-15/strace-static-x86_64: Process 505 attached ) = -1 ESRCH (No such process) [pid 505] set_robust_list(0x7fe952cb29a0, 24 [pid 497] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 505] <... set_robust_list resumed>) = 0 [pid 505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 505] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 497] <... futex resumed>) = 0 [pid 504] set_robust_list(0x7fe952cd39a0, 24 [pid 503] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 497] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 504] <... set_robust_list resumed>) = 0 [pid 504] rt_sigprocmask(SIG_SETMASK, [] [pid 505] <... openat resumed>) = 4 [pid 503] <... futex resumed>) = 1 [pid 494] <... futex resumed>) = 0 [pid 494] exit_group(0) = ? [pid 501] <... futex resumed>) = ? [pid 504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 501] +++ exited with 0 +++ [pid 504] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 504] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 500] <... futex resumed>) = 0 [pid 500] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 504] <... futex resumed>) = 1 [pid 504] mount(NULL, "./debug", "debugfs", 0, NULL [pid 505] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 504] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 504] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 500] <... futex resumed>) = 0 [pid 500] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 504] <... futex resumed>) = 1 [pid 504] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 505] <... futex resumed>) = 1 [pid 495] <... futex resumed>) = 0 [pid 504] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 500] <... futex resumed>) = 0 [pid 495] exit_group(0 [pid 500] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... exit_group resumed>) = ? [pid 500] <... futex resumed>) = 0 [pid 500] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 500] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[506]}, 88) = 506 [pid 500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 500] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 500] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 497] <... futex resumed>) = ? [pid 497] +++ exited with 0 +++ [pid 504] <... futex resumed>) = 1 [pid 504] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 504] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 504] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 506 attached [pid 506] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 506] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 505] +++ exited with 0 +++ [pid 495] +++ exited with 0 +++ [pid 503] +++ exited with 0 +++ [pid 494] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 506] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 500] <... futex resumed>) = 0 [pid 500] exit_group(0) = ? [pid 506] <... futex resumed>) = ? [pid 504] <... futex resumed>) = ? [pid 506] +++ exited with 0 +++ [pid 504] +++ exited with 0 +++ [pid 500] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 507 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 508 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 508 attached ci2-android-5-15/strace-static-x86_64: Process 507 attached [pid 508] set_robust_list(0x55555694b6a0, 24) = 0 [pid 507] set_robust_list(0x55555694b6a0, 24 [pid 309] <... restart_syscall resumed>) = 0 [pid 508] rt_sigprocmask(SIG_SETMASK, [] [pid 507] <... set_robust_list resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 508] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... restart_syscall resumed>) = 0 [pid 508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 507] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 509 ci2-android-5-15/strace-static-x86_64: Process 509 attached [pid 509] set_robust_list(0x55555694b6a0, 24 [pid 508] <... prctl resumed>) = 0 [pid 507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 510 attached [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 510 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 510] set_robust_list(0x55555694b6a0, 24 [pid 509] <... set_robust_list resumed>) = 0 [pid 508] setpgid(0, 0 [pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 511 attached [pid 509] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 511 [pid 511] set_robust_list(0x55555694b6a0, 24 [pid 508] <... setpgid resumed>) = 0 [pid 508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 507] <... prctl resumed>) = 0 [pid 509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 507] setpgid(0, 0 [pid 509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 507] <... setpgid resumed>) = 0 [pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 509] <... prctl resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 509] setpgid(0, 0) = 0 [pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 508] write(3, "1000", 4) = 4 [pid 508] close(3) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 510] <... set_robust_list resumed>) = 0 [pid 511] <... set_robust_list resumed>) = 0 [pid 507] write(3, "1000", 4 [pid 508] write(1, "executing program\n", 18) = 18 [pid 508] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 508] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 509] <... openat resumed>) = 3 [pid 508] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 509] write(3, "1000", 4 [pid 508] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 509] <... write resumed>) = 4 [pid 508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 509] close(3 [pid 508] <... mmap resumed>) = 0x7fe952cb3000 [pid 509] <... close resumed>) = 0 [pid 508] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 509] write(1, "executing program\n", 18) = 18 executing program [pid 509] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] rt_sigprocmask(SIG_BLOCK, ~[] [pid 509] <... futex resumed>) = 0 [pid 509] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 508] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 509] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 508] <... clone3 resumed> => {parent_tid=[512]}, 88) = 512 [pid 508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 508] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 508] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 509] <... clone3 resumed> => {parent_tid=[513]}, 88) = 513 [pid 509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 509] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 513 attached [pid 513] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 513] mkdirat(AT_FDCWD, "./debug", 0777 [pid 510] rt_sigprocmask(SIG_SETMASK, [] [pid 513] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 513] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... futex resumed>) = 0 [pid 509] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 513] <... futex resumed>) = 1 [pid 513] mount(NULL, "./debug", "debugfs", 0, NULL [pid 507] <... write resumed>) = 4 [pid 513] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 513] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... futex resumed>) = 0 [pid 509] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] rt_sigprocmask(SIG_SETMASK, [] [pid 509] <... futex resumed>) = 0 [pid 509] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 513] <... futex resumed>) = 1 [pid 513] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 513] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... futex resumed>) = 0 [pid 509] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 509] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 509] rt_sigprocmask(SIG_BLOCK, ~[] [pid 510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 509] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[514]}, 88) = 514 [pid 507] close(3 [pid 509] rt_sigprocmask(SIG_SETMASK, [] [pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 509] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 509] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 513] <... futex resumed>) = 1 [pid 513] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 507] <... close resumed>) = 0 [pid 513] <... write resumed>) = -1 ESRCH (No such process) [pid 513] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 512 attached [pid 512] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 512] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 512] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] <... futex resumed>) = 0 [pid 508] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 508] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 510] <... prctl resumed>) = 0 [pid 507] write(1, "executing program\n", 18 [pid 512] <... futex resumed>) = 1 executing program [pid 512] mount(NULL, "./debug", "debugfs", 0, NULL [pid 511] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 510] setpgid(0, 0 [pid 507] <... write resumed>) = 18 [pid 512] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 510] <... setpgid resumed>) = 0 [pid 507] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 512] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] <... futex resumed>) = 0 [pid 507] <... futex resumed>) = 0 [pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 507] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 508] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 510] <... openat resumed>) = 3 [pid 507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 511] <... prctl resumed>) = 0 [pid 510] write(3, "1000", 4 [pid 511] setpgid(0, 0 [pid 507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 508] <... futex resumed>) = 0 [pid 508] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 512] <... futex resumed>) = 1 [pid 512] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 512] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] <... futex resumed>) = 0 [pid 508] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 508] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 508] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 508] rt_sigprocmask(SIG_BLOCK, ~[] [pid 511] <... setpgid resumed>) = 0 [pid 507] <... mmap resumed>) = 0x7fe952cb3000 [pid 510] <... write resumed>) = 4 [pid 511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 508] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 507] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 510] close(3 [pid 508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[515]}, 88) = 515 [pid 507] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 514 attached [pid 512] <... futex resumed>) = 1 [pid 510] <... close resumed>) = 0 [pid 511] <... openat resumed>) = 3 [pid 508] rt_sigprocmask(SIG_SETMASK, [] [pid 507] rt_sigprocmask(SIG_BLOCK, ~[] [pid 510] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 515 attached [pid 511] write(3, "1000", 4 [pid 510] <... write resumed>) = 18 [pid 507] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 511] <... write resumed>) = 4 [pid 510] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] close(3 [pid 510] <... futex resumed>) = 0 [pid 507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 515] set_robust_list(0x7fe952cb29a0, 24 [pid 511] <... close resumed>) = 0 [pid 510] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 508] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 508] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 515] <... set_robust_list resumed>) = 0 executing program [pid 511] write(1, "executing program\n", 18 [pid 510] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 507] <... clone3 resumed> => {parent_tid=[516]}, 88) = 516 executing program [pid 515] rt_sigprocmask(SIG_SETMASK, [] [pid 511] <... write resumed>) = 18 [pid 510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 507] rt_sigprocmask(SIG_SETMASK, [] [pid 515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 511] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 515] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 511] <... futex resumed>) = 0 [pid 508] <... futex resumed>) = 0 [pid 511] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 507] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 510] <... mmap resumed>) = 0x7fe952cb3000 [pid 507] <... futex resumed>) = 0 [pid 511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 510] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 511] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 507] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 510] <... mprotect resumed>) = 0 [pid 511] <... mmap resumed>) = 0x7fe952cb3000 [pid 508] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 510] rt_sigprocmask(SIG_BLOCK, ~[] [pid 511] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 515] <... openat resumed>) = 4 [pid 510] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 511] <... mprotect resumed>) = 0 [pid 510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 515] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] rt_sigprocmask(SIG_BLOCK, ~[] [pid 508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 511] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 515] <... futex resumed>) = 0 [pid 511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 510] <... clone3 resumed> => {parent_tid=[517]}, 88) = 517 [pid 512] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 510] rt_sigprocmask(SIG_SETMASK, [] [pid 515] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 511] <... clone3 resumed> => {parent_tid=[518]}, 88) = 518 [pid 510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 511] rt_sigprocmask(SIG_SETMASK, [] [pid 510] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 510] <... futex resumed>) = 0 [pid 511] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 511] <... futex resumed>) = 0 [pid 512] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 512] <... futex resumed>) = 0 [pid 512] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 514] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 514] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 508] exit_group(0) = ? [pid 512] <... futex resumed>) = ? [pid 512] +++ exited with 0 +++ [pid 514] <... openat resumed>) = 4 [pid 514] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... futex resumed>) = 0 [pid 509] exit_group(0 [pid 513] <... futex resumed>) = ? [pid 509] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 518 attached ci2-android-5-15/strace-static-x86_64: Process 517 attached ci2-android-5-15/strace-static-x86_64: Process 516 attached [pid 515] <... futex resumed>) = ? [pid 514] <... futex resumed>) = ? [pid 513] +++ exited with 0 +++ [pid 518] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 518] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 515] +++ exited with 0 +++ [pid 508] +++ exited with 0 +++ [pid 516] set_robust_list(0x7fe952cd39a0, 24 [pid 517] set_robust_list(0x7fe952cd39a0, 24 [pid 516] <... set_robust_list resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 517] <... set_robust_list resumed>) = 0 [pid 516] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 517] rt_sigprocmask(SIG_SETMASK, [] [pid 516] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 517] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 516] mkdirat(AT_FDCWD, "./debug", 0777 [pid 517] mkdirat(AT_FDCWD, "./debug", 0777 [pid 516] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 517] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 516] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] <... futex resumed>) = 1 [pid 507] <... futex resumed>) = 0 [pid 517] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 507] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 510] <... futex resumed>) = 0 [pid 507] <... futex resumed>) = 0 [pid 517] <... futex resumed>) = 1 [pid 516] mount(NULL, "./debug", "debugfs", 0, NULL [pid 510] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 514] +++ exited with 0 +++ [pid 510] <... futex resumed>) = 0 [pid 509] +++ exited with 0 +++ [pid 518] <... futex resumed>) = 1 [pid 517] mount(NULL, "./debug", "debugfs", 0, NULL [pid 516] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 511] <... futex resumed>) = 0 [pid 511] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 518] mount(NULL, "./debug", "debugfs", 0, NULL [pid 517] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 516] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] <... futex resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 511] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 516] <... futex resumed>) = 1 [pid 507] <... futex resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 518] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 507] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 507] <... futex resumed>) = 0 [pid 507] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 517] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] <... openat resumed>) = 3 [pid 510] <... futex resumed>) = 0 [pid 510] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 517] <... futex resumed>) = 1 [pid 517] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 516] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] <... futex resumed>) = 0 [pid 518] <... futex resumed>) = 1 [pid 518] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 516] <... futex resumed>) = 1 [pid 511] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] <... futex resumed>) = 0 [pid 516] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 511] <... futex resumed>) = 0 [pid 518] <... openat resumed>) = 3 [pid 507] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 511] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 507] <... futex resumed>) = 0 [pid 518] <... futex resumed>) = 0 [pid 516] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 507] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 517] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] <... write resumed>) = -1 ESRCH (No such process) [pid 511] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] <... futex resumed>) = 0 [pid 518] <... write resumed>) = -1 ESRCH (No such process) [pid 517] <... futex resumed>) = 1 [pid 516] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] <... futex resumed>) = 0 [pid 510] <... futex resumed>) = 0 [pid 507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 518] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] <... futex resumed>) = 0 [pid 511] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] <... mmap resumed>) = 0x7fe952c92000 [pid 518] <... futex resumed>) = 0 [pid 516] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 511] <... futex resumed>) = 0 [pid 510] <... futex resumed>) = 0 [pid 507] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 518] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 517] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 510] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] <... mprotect resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 517] <... write resumed>) = -1 ESRCH (No such process) [pid 511] <... mmap resumed>) = 0x7fe952c92000 [pid 510] <... futex resumed>) = 0 [pid 507] rt_sigprocmask(SIG_BLOCK, ~[] [pid 517] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 511] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 507] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 517] <... futex resumed>) = 0 [pid 511] <... mprotect resumed>) = 0 [pid 510] <... mmap resumed>) = 0x7fe952c92000 [pid 507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 517] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 511] rt_sigprocmask(SIG_BLOCK, ~[] [pid 510] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 519 attached [pid 511] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 510] <... mprotect resumed>) = 0 [pid 507] <... clone3 resumed> => {parent_tid=[519]}, 88) = 519 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 520 attached [pid 519] set_robust_list(0x7fe952cb29a0, 24 [pid 511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 510] rt_sigprocmask(SIG_BLOCK, ~[] [pid 507] rt_sigprocmask(SIG_SETMASK, [] [pid 510] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 520 [pid 510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 507] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 522 attached [pid 520] set_robust_list(0x55555694b6a0, 24 [pid 519] <... set_robust_list resumed>) = 0 [pid 507] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 510] <... clone3 resumed> => {parent_tid=[522]}, 88) = 522 [pid 507] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 522] set_robust_list(0x7fe952cb29a0, 24 [pid 520] <... set_robust_list resumed>) = 0 [pid 519] rt_sigprocmask(SIG_SETMASK, [] [pid 511] <... clone3 resumed> => {parent_tid=[521]}, 88) = 521 [pid 510] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 510] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 510] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 521 attached [pid 521] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 521] rt_sigprocmask(SIG_SETMASK, [] [pid 519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 511] rt_sigprocmask(SIG_SETMASK, [] [pid 521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 521] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 522] <... set_robust_list resumed>) = 0 [pid 522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 520] rt_sigprocmask(SIG_SETMASK, [] [pid 519] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 511] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 522] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 511] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... openat resumed>) = 4 [pid 511] <... futex resumed>) = 1 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 519] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] <... futex resumed>) = 0 [pid 521] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 519] <... futex resumed>) = 1 [pid 511] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 507] <... futex resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 519] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 507] exit_group(0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 507] <... exit_group resumed>) = ? [pid 516] <... futex resumed>) = ? [pid 522] <... openat resumed>) = 4 [pid 521] <... openat resumed>) = 4 [pid 519] <... futex resumed>) = ? [pid 516] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 523 [pid 520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 522] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] <... futex resumed>) = 0 [pid 510] exit_group(0 [pid 517] <... futex resumed>) = ? [pid 510] <... exit_group resumed>) = ? [pid 517] +++ exited with 0 +++ [pid 522] <... futex resumed>) = ? [pid 519] +++ exited with 0 +++ [pid 507] +++ exited with 0 +++ [pid 521] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 520] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 522] +++ exited with 0 +++ [pid 510] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 523 attached [pid 523] set_robust_list(0x55555694b6a0, 24) = 0 [pid 521] <... futex resumed>) = 1 [pid 520] setpgid(0, 0 [pid 511] <... futex resumed>) = 0 [pid 523] rt_sigprocmask(SIG_SETMASK, [] [pid 511] exit_group(0 [pid 523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 511] <... exit_group resumed>) = ? [pid 518] <... futex resumed>) = ? [pid 523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 518] +++ exited with 0 +++ [pid 523] <... prctl resumed>) = 0 [pid 523] setpgid(0, 0) = 0 [pid 523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 520] <... setpgid resumed>) = 0 [pid 523] <... openat resumed>) = 3 [pid 523] write(3, "1000", 4) = 4 [pid 523] close(3) = 0 [pid 520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 523] write(1, "executing program\n", 18) = 18 executing program [pid 523] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 523] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 523] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 523] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 523] rt_sigprocmask(SIG_BLOCK, ~[] [pid 520] <... openat resumed>) = 3 [pid 523] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[524]}, 88) = 524 [pid 523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 523] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 523] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 524 attached [pid 524] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 524] rt_sigprocmask(SIG_SETMASK, [] [pid 520] write(3, "1000", 4 [pid 524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 520] <... write resumed>) = 4 [pid 524] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 520] close(3 [pid 524] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 523] <... futex resumed>) = 0 [pid 520] <... close resumed>) = 0 [pid 520] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 523] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 520] <... write resumed>) = 18 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 523] <... futex resumed>) = 0 [pid 523] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 524] <... futex resumed>) = 1 [pid 524] mount(NULL, "./debug", "debugfs", 0, NULL [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 525 [pid 520] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 520] <... futex resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 520] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 524] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 524] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 523] <... futex resumed>) = 0 [pid 523] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 523] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 524] <... futex resumed>) = 1 [pid 520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 524] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 520] <... mmap resumed>) = 0x7fe952cb3000 [pid 520] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 524] <... openat resumed>) = 3 [pid 524] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 520] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 523] <... futex resumed>) = 0 [pid 520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 523] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 520] <... clone3 resumed> => {parent_tid=[526]}, 88) = 526 [pid 520] rt_sigprocmask(SIG_SETMASK, [] [pid 523] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 523] <... futex resumed>) = 0 [pid 520] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 520] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] <... mmap resumed>) = 0x7fe952c92000 [pid 523] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 523] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[527]}, 88) = 527 [pid 521] +++ exited with 0 +++ [pid 511] +++ exited with 0 +++ [pid 523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 523] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 523] <... futex resumed>) = 0 [pid 523] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 524] <... futex resumed>) = 1 [pid 310] <... restart_syscall resumed>) = 0 [pid 524] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 524] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 524] <... futex resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 524] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 526 attached [pid 526] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 526] mkdirat(AT_FDCWD, "./debug", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 528 [pid 526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 526] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 526] <... futex resumed>) = 1 [pid 520] <... futex resumed>) = 0 [pid 526] mount(NULL, "./debug", "debugfs", 0, NULL [pid 520] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 520] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 526] <... mount resumed>) = -1 EBUSY (Device or resource busy) ci2-android-5-15/strace-static-x86_64: Process 525 attached [pid 526] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 527 attached [pid 525] set_robust_list(0x55555694b6a0, 24 [pid 520] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 520] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 520] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 526] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 526] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 526] <... openat resumed>) = 3 [pid 526] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 526] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 528 attached [pid 528] set_robust_list(0x55555694b6a0, 24 [pid 520] <... futex resumed>) = 0 [pid 528] <... set_robust_list resumed>) = 0 [pid 520] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 529 [pid 520] <... futex resumed>) = 1 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 526] <... futex resumed>) = 0 [pid 520] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 520] <... futex resumed>) = 0 [pid 526] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 526] <... write resumed>) = -1 ESRCH (No such process) [pid 520] <... mmap resumed>) = 0x7fe952c92000 [pid 520] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 526] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 520] <... mprotect resumed>) = 0 [pid 526] <... futex resumed>) = 0 [pid 526] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 520] rt_sigprocmask(SIG_BLOCK, ~[] [pid 528] rt_sigprocmask(SIG_SETMASK, [] [pid 520] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 525] <... set_robust_list resumed>) = 0 [pid 528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 520] <... clone3 resumed> => {parent_tid=[530]}, 88) = 530 [pid 528] <... prctl resumed>) = 0 [pid 520] rt_sigprocmask(SIG_SETMASK, [] [pid 525] rt_sigprocmask(SIG_SETMASK, [] [pid 520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 528] setpgid(0, 0 [pid 520] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 520] <... futex resumed>) = 0 [pid 520] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 528] <... setpgid resumed>) = 0 [pid 525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 525] <... prctl resumed>) = 0 [pid 527] set_robust_list(0x7fe952cb29a0, 24 [pid 528] <... openat resumed>) = 3 [pid 528] write(3, "1000", 4 [pid 525] setpgid(0, 0 [pid 528] <... write resumed>) = 4 [pid 528] close(3 [pid 525] <... setpgid resumed>) = 0 [pid 527] <... set_robust_list resumed>) = 0 [pid 528] <... close resumed>) = 0 [pid 528] write(1, "executing program\n", 18) = 18 executing program [pid 527] rt_sigprocmask(SIG_SETMASK, [] [pid 525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-5-15/strace-static-x86_64: Process 530 attached [pid 527] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 528] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 527] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 525] <... openat resumed>) = 3 [pid 528] <... mmap resumed>) = 0x7fe952cb3000 [pid 528] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 525] write(3, "1000", 4 [pid 528] rt_sigprocmask(SIG_BLOCK, ~[] [pid 527] <... openat resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 529 attached [pid 530] set_robust_list(0x7fe952cb29a0, 24 [pid 525] <... write resumed>) = 4 [pid 527] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] close(3) = 0 [pid 527] <... futex resumed>) = 1 [pid 523] <... futex resumed>) = 0 [pid 525] write(1, "executing program\n", 18 [pid 527] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 523] exit_group(0 [pid 530] <... set_robust_list resumed>) = 0 [pid 529] set_robust_list(0x55555694b6a0, 24 [pid 528] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 525] <... write resumed>) = 18 [pid 524] <... futex resumed>) = ? [pid 523] <... exit_group resumed>) = ? [pid 530] rt_sigprocmask(SIG_SETMASK, [] [pid 529] <... set_robust_list resumed>) = 0 [pid 528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 527] <... futex resumed>) = ? [pid 525] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] +++ exited with 0 +++ [pid 525] <... futex resumed>) = 0 [pid 525] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 525] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 525] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 529] rt_sigprocmask(SIG_SETMASK, [] [pid 525] <... clone3 resumed> => {parent_tid=[531]}, 88) = 531 [pid 525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 525] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 531 attached [pid 530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 529] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 530] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 529] <... prctl resumed>) = 0 [pid 529] setpgid(0, 0 [pid 527] +++ exited with 0 +++ [pid 523] +++ exited with 0 +++ [pid 529] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 528] <... clone3 resumed> => {parent_tid=[532]}, 88) = 532 [pid 528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 528] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 532 attached [pid 532] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 532] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 532] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 528] <... futex resumed>) = 0 [pid 528] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] <... futex resumed>) = 1 [pid 532] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 532] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] <... futex resumed>) = 0 [pid 529] <... openat resumed>) = 3 [pid 528] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] <... futex resumed>) = 1 [pid 529] write(3, "1000", 4 [pid 532] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 532] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] <... futex resumed>) = 0 [pid 528] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 528] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 529] <... write resumed>) = 4 [pid 529] close(3 [pid 528] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 530] <... openat resumed>) = 4 [pid 529] <... close resumed>) = 0 [pid 528] <... clone3 resumed> => {parent_tid=[533]}, 88) = 533 [pid 528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 528] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 528] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 532] <... futex resumed>) = 1 [pid 532] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 532] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 532] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 531] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 531] rt_sigprocmask(SIG_SETMASK, [] [pid 529] write(1, "executing program\n", 18 [pid 531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 531] mkdirat(AT_FDCWD, "./debug", 0777 [pid 529] <... write resumed>) = 18 executing program [pid 530] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 531] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] <... futex resumed>) = 0 [pid 525] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 525] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 531] <... futex resumed>) = 1 [pid 531] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 529] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 530] <... futex resumed>) = 1 [pid 520] <... futex resumed>) = 0 [pid 530] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 529] <... futex resumed>) = 0 [pid 520] exit_group(0 [pid 529] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 530] <... futex resumed>) = ? [pid 529] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 526] <... futex resumed>) = ? [pid 520] <... exit_group resumed>) = ? [pid 529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 530] +++ exited with 0 +++ [pid 529] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 533 attached [pid 531] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 526] +++ exited with 0 +++ [pid 529] <... mmap resumed>) = 0x7fe952cb3000 [pid 529] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 529] rt_sigprocmask(SIG_BLOCK, ~[] [pid 520] +++ exited with 0 +++ [pid 529] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 534 attached [pid 533] set_robust_list(0x7fe952cb29a0, 24 [pid 531] <... futex resumed>) = 1 [pid 525] <... futex resumed>) = 0 [pid 529] <... clone3 resumed> => {parent_tid=[534]}, 88) = 534 [pid 525] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 529] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 529] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 525] <... futex resumed>) = 0 [pid 525] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 533] <... set_robust_list resumed>) = 0 [pid 533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 533] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 534] set_robust_list(0x7fe952cd39a0, 24 [pid 533] <... openat resumed>) = 4 [pid 531] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 534] <... set_robust_list resumed>) = 0 [pid 534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 534] mkdirat(AT_FDCWD, "./debug", 0777 [pid 533] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] <... openat resumed>) = 3 [pid 534] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 534] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] <... futex resumed>) = 0 [pid 529] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 529] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 534] <... futex resumed>) = 1 [pid 534] mount(NULL, "./debug", "debugfs", 0, NULL [pid 309] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 534] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 534] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] <... futex resumed>) = 0 [pid 529] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 529] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 535 [pid 534] <... futex resumed>) = 1 [pid 534] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 535 attached [pid 534] <... openat resumed>) = 3 [pid 533] <... futex resumed>) = 1 [pid 531] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 535] set_robust_list(0x55555694b6a0, 24 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 536 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 535] <... set_robust_list resumed>) = 0 [pid 534] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 536 attached [pid 535] rt_sigprocmask(SIG_SETMASK, [] [pid 533] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 531] <... futex resumed>) = 1 [pid 528] exit_group(0 [pid 529] <... futex resumed>) = 0 [pid 525] <... futex resumed>) = 0 [pid 529] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 529] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 529] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 528] <... exit_group resumed>) = ? [pid 525] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] set_robust_list(0x55555694b6a0, 24 [pid 535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 534] <... futex resumed>) = 1 [pid 533] <... futex resumed>) = ? [pid 532] <... futex resumed>) = ? [pid 531] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 529] rt_sigprocmask(SIG_BLOCK, ~[] [pid 525] <... futex resumed>) = 0 [pid 529] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 532] +++ exited with 0 +++ [pid 529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 531] <... write resumed>) = -1 ESRCH (No such process) [pid 525] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] <... clone3 resumed> => {parent_tid=[537]}, 88) = 537 [pid 529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 529] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 529] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 537 attached [pid 537] set_robust_list(0x7fe952cb29a0, 24 [pid 533] +++ exited with 0 +++ [pid 528] +++ exited with 0 +++ [pid 537] <... set_robust_list resumed>) = 0 [pid 525] <... futex resumed>) = 0 [pid 537] rt_sigprocmask(SIG_SETMASK, [] [pid 531] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 537] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 525] <... mmap resumed>) = 0x7fe952c92000 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 536] <... set_robust_list resumed>) = 0 [pid 534] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 531] <... futex resumed>) = 0 [pid 525] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 531] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 534] <... write resumed>) = -1 ESRCH (No such process) [pid 537] <... openat resumed>) = 4 [pid 537] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] <... mprotect resumed>) = 0 [pid 529] <... futex resumed>) = 0 [pid 537] <... futex resumed>) = 1 [pid 525] rt_sigprocmask(SIG_BLOCK, ~[] [pid 534] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 537] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 525] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 534] <... futex resumed>) = 0 [pid 536] rt_sigprocmask(SIG_SETMASK, [] [pid 535] <... prctl resumed>) = 0 [pid 525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 534] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 525] <... clone3 resumed> => {parent_tid=[538]}, 88) = 538 [pid 536] setpgid(0, 0 [pid 525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 535] setpgid(0, 0 [pid 529] exit_group(0 [pid 525] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] <... exit_group resumed>) = ? [pid 525] <... futex resumed>) = 0 [pid 525] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 534] <... futex resumed>) = ? [pid 534] +++ exited with 0 +++ [pid 537] <... futex resumed>) = ? [pid 535] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 538 attached [pid 536] <... setpgid resumed>) = 0 [pid 535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 538] set_robust_list(0x7fe952cb29a0, 24 [pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 538] <... set_robust_list resumed>) = 0 [pid 535] <... openat resumed>) = 3 [pid 535] write(3, "1000", 4 [pid 538] rt_sigprocmask(SIG_SETMASK, [] [pid 535] <... write resumed>) = 4 [pid 538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 536] <... openat resumed>) = 3 [pid 538] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 536] write(3, "1000", 4 [pid 535] close(3 [pid 537] +++ exited with 0 +++ [pid 529] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 535] <... close resumed>) = 0 [pid 536] <... write resumed>) = 4 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 535] write(1, "executing program\n", 18 [pid 536] close(3 [pid 535] <... write resumed>) = 18 [pid 535] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] <... close resumed>) = 0 executing program [pid 538] <... openat resumed>) = 4 [pid 538] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] <... futex resumed>) = 0 [pid 535] <... futex resumed>) = 0 [pid 536] write(1, "executing program\n", 18 [pid 525] exit_group(0 [pid 531] <... futex resumed>) = ? executing program [pid 525] <... exit_group resumed>) = ? [pid 536] <... write resumed>) = 18 [pid 535] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 531] +++ exited with 0 +++ [pid 538] <... futex resumed>) = ? [pid 538] +++ exited with 0 +++ [pid 536] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 535] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 525] +++ exited with 0 +++ [pid 535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 536] <... futex resumed>) = 0 [pid 535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 536] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 536] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 535] <... mmap resumed>) = 0x7fe952cb3000 [pid 536] <... mprotect resumed>) = 0 [pid 535] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 535] <... mprotect resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 535] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 539 attached [pid 536] rt_sigprocmask(SIG_BLOCK, ~[] [pid 535] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 539 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 539] set_robust_list(0x55555694b6a0, 24 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 540 [pid 535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 539] <... set_robust_list resumed>) = 0 [pid 539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 539] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 541 [pid 539] <... setpgid resumed>) = 0 [pid 539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 535] <... clone3 resumed> => {parent_tid=[542]}, 88) = 542 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 539] <... openat resumed>) = 3 [pid 535] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 539] write(3, "1000", 4 [pid 535] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 539] <... write resumed>) = 4 [pid 535] <... futex resumed>) = 0 [pid 539] close(3) = 0 [pid 539] write(1, "executing program\n", 18 [pid 535] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 542 attached ci2-android-5-15/strace-static-x86_64: Process 541 attached ci2-android-5-15/strace-static-x86_64: Process 540 attached [pid 536] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 539] <... write resumed>) = 18 [pid 539] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 539] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 539] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 542] set_robust_list(0x7fe952cd39a0, 24 [pid 541] set_robust_list(0x55555694b6a0, 24 [pid 540] set_robust_list(0x55555694b6a0, 24 [pid 536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[543]}, 88) = 543 [pid 539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 539] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 536] <... clone3 resumed> => {parent_tid=[544]}, 88) = 544 ci2-android-5-15/strace-static-x86_64: Process 544 attached [pid 544] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 544] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 543 attached [pid 543] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 542] <... set_robust_list resumed>) = 0 [pid 541] <... set_robust_list resumed>) = 0 [pid 540] <... set_robust_list resumed>) = 0 [pid 536] rt_sigprocmask(SIG_SETMASK, [] [pid 543] rt_sigprocmask(SIG_SETMASK, [] [pid 536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 536] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 536] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 544] <... futex resumed>) = 0 [pid 543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 542] rt_sigprocmask(SIG_SETMASK, [] [pid 544] mkdirat(AT_FDCWD, "./debug", 0777 [pid 541] <... prctl resumed>) = 0 [pid 541] setpgid(0, 0) = 0 [pid 541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 544] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 541] write(3, "1000", 4) = 4 [pid 541] close(3) = 0 [pid 544] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 541] write(1, "executing program\n", 18) = 18 [pid 541] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 544] <... futex resumed>) = 1 [pid 536] <... futex resumed>) = 0 [pid 536] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 536] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 541] <... futex resumed>) = 0 [pid 541] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 541] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 541] rt_sigprocmask(SIG_BLOCK, ~[] [pid 544] mount(NULL, "./debug", "debugfs", 0, NULL [pid 541] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[545]}, 88) = 545 [pid 541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 544] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 541] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 541] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 544] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 545 attached [pid 545] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 544] <... futex resumed>) = 1 [pid 536] <... futex resumed>) = 0 [pid 536] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 544] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 536] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 544] <... openat resumed>) = 3 [pid 544] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 544] <... futex resumed>) = 0 [pid 536] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 544] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 536] <... futex resumed>) = 0 [pid 536] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 544] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 544] <... futex resumed>) = 0 [pid 544] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 536] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 536] rt_sigprocmask(SIG_BLOCK, ~[] [pid 540] <... prctl resumed>) = 0 [pid 543] mkdirat(AT_FDCWD, "./debug", 0777 [pid 536] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 540] setpgid(0, 0 [pid 536] <... clone3 resumed> => {parent_tid=[546]}, 88) = 546 [pid 536] rt_sigprocmask(SIG_SETMASK, [] [pid 540] <... setpgid resumed>) = 0 [pid 536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 536] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 536] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 545] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 545] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 541] <... futex resumed>) = 0 [pid 541] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 541] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 545] <... futex resumed>) = 1 [pid 545] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 540] <... openat resumed>) = 3 [pid 545] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 541] <... futex resumed>) = 0 [pid 541] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 541] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 545] <... futex resumed>) = 1 [pid 545] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 543] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 540] write(3, "1000", 4) = 4 [pid 540] close(3 [pid 543] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 542] mkdirat(AT_FDCWD, "./debug", 0777 [pid 545] <... openat resumed>) = 3 [pid 545] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 541] <... futex resumed>) = 0 [pid 541] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 541] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 541] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 541] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 540] <... close resumed>) = 0 [pid 541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 543] <... futex resumed>) = 1 [pid 542] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 540] write(1, "executing program\n", 18 [pid 539] <... futex resumed>) = 0 [pid 541] <... clone3 resumed> => {parent_tid=[547]}, 88) = 547 [pid 541] rt_sigprocmask(SIG_SETMASK, [] [pid 539] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 541] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 539] <... futex resumed>) = 0 executing program [pid 543] mount(NULL, "./debug", "debugfs", 0, NULL [pid 542] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 541] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] <... write resumed>) = 18 [pid 539] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 541] <... futex resumed>) = 0 [pid 541] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 540] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 545] <... futex resumed>) = 1 [pid 545] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 543] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 542] <... futex resumed>) = 1 [pid 540] <... futex resumed>) = 0 [pid 535] <... futex resumed>) = 0 [pid 535] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 535] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 545] <... write resumed>) = -1 ESRCH (No such process) [pid 543] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 542] mount(NULL, "./debug", "debugfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 547 attached [pid 545] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 545] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 546 attached [pid 546] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 540] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 543] <... futex resumed>) = 1 [pid 539] <... futex resumed>) = 0 [pid 546] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 542] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 543] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 539] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 543] <... openat resumed>) = 3 [pid 539] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 542] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 546] <... openat resumed>) = 4 [pid 546] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] <... futex resumed>) = 0 [pid 536] exit_group(0 [pid 544] <... futex resumed>) = ? [pid 536] <... exit_group resumed>) = ? [pid 544] +++ exited with 0 +++ [pid 543] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 542] <... futex resumed>) = 1 [pid 540] <... mmap resumed>) = 0x7fe952cb3000 [pid 535] <... futex resumed>) = 0 [pid 547] set_robust_list(0x7fe952cb29a0, 24 [pid 543] <... futex resumed>) = 1 [pid 542] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 540] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 539] <... futex resumed>) = 0 [pid 535] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 540] <... mprotect resumed>) = 0 [pid 543] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 539] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 535] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 542] <... openat resumed>) = 3 [pid 540] rt_sigprocmask(SIG_BLOCK, ~[] [pid 543] <... write resumed>) = -1 ESRCH (No such process) [pid 539] <... futex resumed>) = 0 [pid 542] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 543] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 542] <... futex resumed>) = 1 [pid 539] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 535] <... futex resumed>) = 0 [pid 543] <... futex resumed>) = 0 [pid 542] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 539] <... futex resumed>) = 0 [pid 535] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 543] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 535] <... futex resumed>) = 0 [pid 535] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 539] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 535] rt_sigprocmask(SIG_BLOCK, ~[] [pid 543] <... openat resumed>) = 4 [pid 540] <... clone3 resumed> => {parent_tid=[548]}, 88) = 548 [pid 535] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 542] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 543] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] rt_sigprocmask(SIG_SETMASK, [] [pid 535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 542] <... write resumed>) = -1 ESRCH (No such process) [pid 543] <... futex resumed>) = 1 [pid 542] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 539] <... futex resumed>) = 0 [pid 543] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 542] <... futex resumed>) = 0 [pid 540] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 535] <... clone3 resumed> => {parent_tid=[549]}, 88) = 549 [pid 535] rt_sigprocmask(SIG_SETMASK, [] [pid 539] exit_group(0 [pid 535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 540] <... futex resumed>) = 0 [pid 543] <... futex resumed>) = ? [pid 542] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 539] <... exit_group resumed>) = ? [pid 535] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 543] +++ exited with 0 +++ [pid 535] <... futex resumed>) = 0 [pid 535] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 548 attached [pid 548] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 548] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 548] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 539] +++ exited with 0 +++ [pid 548] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 549 attached [pid 540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 540] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 540] <... futex resumed>) = 1 [pid 548] <... futex resumed>) = 0 [pid 540] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 547] <... set_robust_list resumed>) = 0 [pid 548] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 540] <... futex resumed>) = 0 [pid 547] rt_sigprocmask(SIG_SETMASK, [] [pid 540] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 548] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 547] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 540] <... futex resumed>) = 0 [pid 548] <... openat resumed>) = 3 [pid 547] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 540] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 548] <... futex resumed>) = 0 [pid 540] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 548] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 540] <... futex resumed>) = 0 [pid 548] <... write resumed>) = -1 ESRCH (No such process) [pid 540] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 548] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] <... futex resumed>) = 0 [pid 548] <... futex resumed>) = 0 [pid 540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 547] <... openat resumed>) = 4 [pid 540] <... mmap resumed>) = 0x7fe952c92000 [pid 548] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 547] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 549] set_robust_list(0x7fe952cb29a0, 24 [pid 547] <... futex resumed>) = 1 [pid 541] <... futex resumed>) = 0 [pid 540] <... mprotect resumed>) = 0 [pid 541] exit_group(0 [pid 545] <... futex resumed>) = ? [pid 541] <... exit_group resumed>) = ? [pid 540] rt_sigprocmask(SIG_BLOCK, ~[] [pid 549] <... set_robust_list resumed>) = 0 [pid 547] +++ exited with 0 +++ [pid 546] <... futex resumed>) = ? [pid 540] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 545] +++ exited with 0 +++ [pid 541] +++ exited with 0 +++ [pid 540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 540] <... clone3 resumed> => {parent_tid=[550]}, 88) = 550 ci2-android-5-15/strace-static-x86_64: Process 550 attached [pid 540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 550] set_robust_list(0x7fe952cb29a0, 24 [pid 540] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 550] <... set_robust_list resumed>) = 0 [pid 550] rt_sigprocmask(SIG_SETMASK, [] [pid 540] <... futex resumed>) = 0 [pid 550] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 540] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 550] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 549] rt_sigprocmask(SIG_SETMASK, [] [pid 550] <... openat resumed>) = 4 [pid 550] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] <... futex resumed>) = 0 [pid 540] exit_group(0 [pid 548] <... futex resumed>) = ? [pid 540] <... exit_group resumed>) = ? [pid 549] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 548] +++ exited with 0 +++ [pid 550] <... futex resumed>) = ? [pid 549] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 546] +++ exited with 0 +++ [pid 536] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 550] +++ exited with 0 +++ [pid 540] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 551 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 551 attached [pid 549] <... openat resumed>) = 4 [pid 549] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 535] <... futex resumed>) = 0 [pid 535] exit_group(0 [pid 542] <... futex resumed>) = ? [pid 535] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 542] +++ exited with 0 +++ [pid 549] <... futex resumed>) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 551] set_robust_list(0x55555694b6a0, 24 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 551] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 552 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 553 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 554 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 554 attached [pid 554] set_robust_list(0x55555694b6a0, 24) = 0 [pid 554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 554] setpgid(0, 0) = 0 [pid 554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 554] write(3, "1000", 4) = 4 [pid 554] close(3) = 0 [pid 554] write(1, "executing program\n", 18) = 18 [pid 554] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 554] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 554] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[555]}, 88) = 555 [pid 554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 552 attached [pid 552] set_robust_list(0x55555694b6a0, 24) = 0 [pid 552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 552] setpgid(0, 0) = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 552] write(3, "1000", 4 [pid 551] rt_sigprocmask(SIG_SETMASK, [] [pid 552] <... write resumed>) = 4 [pid 552] close(3) = 0 executing program [pid 552] write(1, "executing program\n", 18) = 18 [pid 552] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 552] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 551] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[556]}, 88) = 556 [pid 551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 552] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 555 attached [pid 555] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 555] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 555] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... futex resumed>) = 0 [pid 554] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... futex resumed>) = 1 [pid 555] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 551] <... prctl resumed>) = 0 [pid 555] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... futex resumed>) = 0 [pid 554] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... futex resumed>) = 1 [pid 555] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 555] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... futex resumed>) = 0 [pid 554] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 554] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 554] rt_sigprocmask(SIG_BLOCK, ~[] [pid 551] setpgid(0, 0 [pid 549] +++ exited with 0 +++ [pid 535] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 551] <... setpgid resumed>) = 0 [pid 554] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[557]}, 88) = 557 ci2-android-5-15/strace-static-x86_64: Process 553 attached [pid 551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 554] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... futex resumed>) = 1 [pid 555] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 555] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 555] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 556 attached [pid 556] set_robust_list(0x7fe952cd39a0, 24 [pid 309] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 551] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 551] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 557 attached [pid 556] <... set_robust_list resumed>) = 0 [pid 553] set_robust_list(0x55555694b6a0, 24 [pid 551] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 558 attached [pid 551] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 558 [pid 551] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] write(1, "executing program\n", 18 [pid 558] set_robust_list(0x55555694b6a0, 24 executing program [pid 557] set_robust_list(0x7fe952cb29a0, 24 [pid 551] <... write resumed>) = 18 [pid 551] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 558] <... set_robust_list resumed>) = 0 [pid 557] <... set_robust_list resumed>) = 0 [pid 556] rt_sigprocmask(SIG_SETMASK, [] [pid 551] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 551] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 551] rt_sigprocmask(SIG_BLOCK, ~[] [pid 558] rt_sigprocmask(SIG_SETMASK, [] [pid 557] rt_sigprocmask(SIG_SETMASK, [] [pid 556] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 553] <... set_robust_list resumed>) = 0 [pid 551] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[559]}, 88) = 559 [pid 553] rt_sigprocmask(SIG_SETMASK, [] [pid 551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 557] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 551] <... futex resumed>) = 0 [pid 551] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 559 attached [pid 559] set_robust_list(0x7fe952cd39a0, 24 [pid 557] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 556] mkdirat(AT_FDCWD, "./debug", 0777 [pid 559] <... set_robust_list resumed>) = 0 [pid 553] <... prctl resumed>) = 0 [pid 559] rt_sigprocmask(SIG_SETMASK, [] [pid 553] setpgid(0, 0) = 0 [pid 553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 559] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 559] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... futex resumed>) = 0 [pid 551] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] <... futex resumed>) = 1 [pid 559] mount(NULL, "./debug", "debugfs", 0, NULL [pid 553] <... openat resumed>) = 3 [pid 559] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 559] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... futex resumed>) = 0 [pid 557] <... openat resumed>) = 4 [pid 553] write(3, "1000", 4 [pid 558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 551] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] <... prctl resumed>) = 0 [pid 557] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 556] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 553] <... write resumed>) = 4 [pid 551] <... futex resumed>) = 0 [pid 551] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] <... futex resumed>) = 1 [pid 559] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 556] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] close(3 [pid 558] setpgid(0, 0 [pid 557] <... futex resumed>) = 1 [pid 556] <... futex resumed>) = 1 [pid 554] <... futex resumed>) = 0 [pid 552] <... futex resumed>) = 0 [pid 554] exit_group(0 [pid 552] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... exit_group resumed>) = ? [pid 555] <... futex resumed>) = ? [pid 553] <... close resumed>) = 0 [pid 552] <... futex resumed>) = 0 [pid 558] <... setpgid resumed>) = 0 [pid 556] mount(NULL, "./debug", "debugfs", 0, NULL [pid 559] <... openat resumed>) = 3 [pid 555] +++ exited with 0 +++ [pid 553] write(1, "executing program\n", 18 [pid 552] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... write resumed>) = 18 [pid 558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 553] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 556] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 553] <... futex resumed>) = 0 [pid 551] <... futex resumed>) = 0 [pid 551] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] <... openat resumed>) = 3 [pid 556] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 551] <... futex resumed>) = 0 [pid 551] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 551] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 553] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 556] <... futex resumed>) = 1 [pid 552] <... futex resumed>) = 0 [pid 558] write(3, "1000", 4 [pid 557] +++ exited with 0 +++ [pid 556] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 554] +++ exited with 0 +++ [pid 553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 552] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 558] <... write resumed>) = 4 [pid 556] <... openat resumed>) = 3 [pid 553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 552] <... futex resumed>) = 0 [pid 552] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 556] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] close(3 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 553] <... mmap resumed>) = 0x7fe952cb3000 [pid 556] <... futex resumed>) = 1 [pid 552] <... futex resumed>) = 0 [pid 558] <... close resumed>) = 0 [pid 556] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 553] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 558] write(1, "executing program\n", 18 [pid 552] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 551] <... clone3 resumed> => {parent_tid=[560]}, 88) = 560 executing program [pid 558] <... write resumed>) = 18 [pid 556] <... write resumed>) = -1 ESRCH (No such process) [pid 553] <... mprotect resumed>) = 0 [pid 552] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] rt_sigprocmask(SIG_SETMASK, [] [pid 552] <... futex resumed>) = 0 [pid 551] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 558] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 556] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] rt_sigprocmask(SIG_BLOCK, ~[] [pid 552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] <... futex resumed>) = 0 [pid 556] <... futex resumed>) = 0 [pid 553] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 552] <... mmap resumed>) = 0x7fe952c92000 [pid 551] <... futex resumed>) = 0 [pid 558] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 556] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 552] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 551] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] <... mprotect resumed>) = 0 [pid 558] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 553] <... clone3 resumed> => {parent_tid=[561]}, 88) = 561 [pid 558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 553] rt_sigprocmask(SIG_SETMASK, [] [pid 552] rt_sigprocmask(SIG_BLOCK, ~[] [pid 558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 552] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 553] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 558] <... mmap resumed>) = 0x7fe952cb3000 [pid 553] <... futex resumed>) = 0 [pid 559] <... futex resumed>) = 1 [pid 558] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 553] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] <... clone3 resumed> => {parent_tid=[562]}, 88) = 562 [pid 558] <... mprotect resumed>) = 0 [pid 552] rt_sigprocmask(SIG_SETMASK, [] [pid 559] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 558] rt_sigprocmask(SIG_BLOCK, ~[] [pid 552] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] <... write resumed>) = -1 ESRCH (No such process) [pid 558] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 552] <... futex resumed>) = 0 [pid 559] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 552] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] <... futex resumed>) = 0 [pid 559] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 561 attached [pid 561] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 561] mkdirat(AT_FDCWD, "./debug", 0777ci2-android-5-15/strace-static-x86_64: Process 563 attached ci2-android-5-15/strace-static-x86_64: Process 562 attached [pid 558] <... clone3 resumed> => {parent_tid=[563]}, 88) = 563 ci2-android-5-15/strace-static-x86_64: Process 560 attached [pid 563] set_robust_list(0x7fe952cd39a0, 24 [pid 561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 562] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 558] rt_sigprocmask(SIG_SETMASK, [] [pid 562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 562] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 563] <... set_robust_list resumed>) = 0 [pid 561] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 560] set_robust_list(0x7fe952cb29a0, 24 [pid 558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 558] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 563] rt_sigprocmask(SIG_SETMASK, [] [pid 562] <... openat resumed>) = 4 [pid 561] <... futex resumed>) = 1 [pid 560] <... set_robust_list resumed>) = 0 [pid 558] <... futex resumed>) = 0 [pid 553] <... futex resumed>) = 0 [pid 558] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 553] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 562] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] mount(NULL, "./debug", "debugfs", 0, NULL [pid 560] rt_sigprocmask(SIG_SETMASK, [] [pid 563] mkdirat(AT_FDCWD, "./debug", 0777 [pid 562] <... futex resumed>) = 1 [pid 552] <... futex resumed>) = 0 [pid 563] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 562] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 561] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 552] exit_group(0) = ? [pid 556] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 556] +++ exited with 0 +++ [pid 562] <... futex resumed>) = ? [pid 563] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 560] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 558] <... futex resumed>) = 0 [pid 563] <... futex resumed>) = 1 [pid 562] +++ exited with 0 +++ [pid 561] <... futex resumed>) = 1 [pid 560] <... openat resumed>) = 4 [pid 558] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... futex resumed>) = 0 [pid 552] +++ exited with 0 +++ [pid 558] <... futex resumed>) = 0 [pid 553] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] <... futex resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 553] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 563] mount(NULL, "./debug", "debugfs", 0, NULL [pid 561] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 560] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 563] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 561] <... openat resumed>) = 3 [pid 561] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 553] <... futex resumed>) = 0 [pid 561] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 560] <... futex resumed>) = 1 [pid 560] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 553] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... futex resumed>) = 0 [pid 553] <... futex resumed>) = 1 [pid 561] <... futex resumed>) = 0 [pid 553] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] exit_group(0 [pid 553] <... futex resumed>) = 0 [pid 559] <... futex resumed>) = ? [pid 553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] <... exit_group resumed>) = ? [pid 553] <... mmap resumed>) = 0x7fe952c92000 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 553] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 559] +++ exited with 0 +++ [pid 553] <... mprotect resumed>) = 0 [pid 553] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 553] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 565 attached ci2-android-5-15/strace-static-x86_64: Process 566 attached ci2-android-5-15/strace-static-x86_64: Process 564 attached [pid 563] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 560] <... futex resumed>) = ? [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 565 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 566 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 563] <... futex resumed>) = 1 [pid 558] <... futex resumed>) = 0 [pid 553] <... clone3 resumed> => {parent_tid=[564]}, 88) = 564 [pid 561] <... write resumed>) = -1 ESRCH (No such process) [pid 558] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 566] set_robust_list(0x55555694b6a0, 24) = 0 [pid 566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 566] setpgid(0, 0) = 0 [pid 566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 566] write(3, "1000", 4) = 4 [pid 566] close(3) = 0 [pid 563] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 553] rt_sigprocmask(SIG_SETMASK, [] [pid 566] write(1, "executing program\n", 18) = 18 executing program [pid 566] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 566] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 563] <... openat resumed>) = 3 [pid 561] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] <... clone3 resumed> => {parent_tid=[567]}, 88) = 567 [pid 566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 560] +++ exited with 0 +++ [pid 551] +++ exited with 0 +++ [pid 566] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 563] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] <... futex resumed>) = 0 [pid 553] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 566] <... futex resumed>) = 0 [pid 566] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 567 attached [pid 567] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 567] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 567] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] <... futex resumed>) = 0 [pid 566] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 567] <... futex resumed>) = 1 [pid 567] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 567] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] <... futex resumed>) = 0 [pid 566] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 567] <... futex resumed>) = 1 [pid 567] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 567] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] <... futex resumed>) = 0 [pid 566] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 566] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 553] <... futex resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 558] <... futex resumed>) = 0 [pid 566] <... clone3 resumed> => {parent_tid=[568]}, 88) = 568 [pid 563] <... futex resumed>) = 1 [pid 561] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 566] rt_sigprocmask(SIG_SETMASK, [] [pid 563] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 558] <... futex resumed>) = 0 [pid 566] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 563] <... write resumed>) = -1 ESRCH (No such process) [pid 558] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 563] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] <... futex resumed>) = 0 [pid 566] <... futex resumed>) = 0 [pid 563] <... futex resumed>) = 0 [pid 558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 566] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] <... mmap resumed>) = 0x7fe952c92000 [pid 558] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 564] set_robust_list(0x7fe952cb29a0, 24 [pid 558] <... mprotect resumed>) = 0 [pid 558] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 564] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 569 attached [pid 565] set_robust_list(0x55555694b6a0, 24 [pid 558] <... clone3 resumed> => {parent_tid=[569]}, 88) = 569 [pid 558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 558] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 558] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 568 attached [pid 568] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 564] rt_sigprocmask(SIG_SETMASK, [] [pid 567] <... futex resumed>) = 1 [pid 565] <... set_robust_list resumed>) = 0 [pid 568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 568] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 564] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 568] <... openat resumed>) = 4 [pid 568] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] <... futex resumed>) = 0 [pid 564] <... openat resumed>) = 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 568] <... futex resumed>) = 1 [pid 568] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 569] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 569] rt_sigprocmask(SIG_SETMASK, [] [pid 564] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 569] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 569] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] <... futex resumed>) = 0 [pid 558] exit_group(0 [pid 563] <... futex resumed>) = ? [pid 558] <... exit_group resumed>) = ? [pid 564] <... futex resumed>) = 1 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 570 [pid 553] <... futex resumed>) = 0 [pid 564] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 563] +++ exited with 0 +++ [pid 553] exit_group(0) = ? [pid 561] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 564] <... futex resumed>) = ? [pid 561] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 569] <... futex resumed>) = ? [pid 564] +++ exited with 0 +++ [pid 553] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 569] +++ exited with 0 +++ [pid 558] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 570 attached [pid 570] set_robust_list(0x55555694b6a0, 24) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 571 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 570] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 567] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 565] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 571 attached [pid 570] setpgid(0, 0) = 0 [pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 567] <... write resumed>) = -1 ESRCH (No such process) [pid 570] <... openat resumed>) = 3 [pid 570] write(3, "1000", 4) = 4 [pid 570] close(3) = 0 [pid 570] write(1, "executing program\n", 18) = 18 executing program [pid 570] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 570] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 565] <... prctl resumed>) = 0 [pid 567] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... clone3 resumed> => {parent_tid=[572]}, 88) = 572 [pid 565] setpgid(0, 0 [pid 570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 570] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 572 attached [pid 572] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 572] mkdirat(AT_FDCWD, "./debug", 0777 [pid 565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 572] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 566] exit_group(0 [pid 570] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 568] <... futex resumed>) = ? [pid 566] <... exit_group resumed>) = ? [pid 568] +++ exited with 0 +++ [pid 565] <... openat resumed>) = 3 [pid 572] <... futex resumed>) = 1 [pid 572] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 572] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 572] <... futex resumed>) = 1 [pid 572] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 572] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... futex resumed>) = 0 [pid 570] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 570] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[573]}, 88) = 573 [pid 571] set_robust_list(0x55555694b6a0, 24 [pid 567] <... futex resumed>) = ? [pid 565] write(3, "1000", 4 [pid 570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 570] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 570] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 572] <... futex resumed>) = 1 [pid 572] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 572] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 572] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 573 attached [pid 573] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 573] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 565] <... write resumed>) = 4 [pid 565] close(3) = 0 [pid 565] write(1, "executing program\n", 18) = 18 [pid 565] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 565] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 573] <... openat resumed>) = 4 [pid 565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 573] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 570] <... futex resumed>) = 0 [pid 565] <... mmap resumed>) = 0x7fe952cb3000 [pid 570] exit_group(0 [pid 565] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 570] <... exit_group resumed>) = ? [pid 565] <... mprotect resumed>) = 0 executing program [pid 565] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... restart_syscall resumed>) = 0 [pid 565] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[574]}, 88) = 574 [pid 565] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 565] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 567] +++ exited with 0 +++ [pid 566] +++ exited with 0 +++ [pid 565] <... futex resumed>) = 0 [pid 565] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 574 attached [pid 573] <... futex resumed>) = ? [pid 572] <... futex resumed>) = ? [pid 571] <... set_robust_list resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 575 attached [pid 572] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 575 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 575] set_robust_list(0x55555694b6a0, 24 [pid 574] set_robust_list(0x7fe952cd39a0, 24 [pid 571] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 573] +++ exited with 0 +++ [pid 570] +++ exited with 0 +++ [pid 575] <... set_robust_list resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 574] <... set_robust_list resumed>) = 0 [pid 571] <... prctl resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 575] setpgid(0, 0) = 0 [pid 574] rt_sigprocmask(SIG_SETMASK, [] [pid 571] setpgid(0, 0 [pid 575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... restart_syscall resumed>) = 0 [pid 575] <... openat resumed>) = 3 [pid 575] write(3, "1000", 4) = 4 [pid 575] close(3) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 575] write(1, "executing program\n", 18 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 575] <... write resumed>) = 18 executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 575] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 575] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 575] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 576 [pid 575] <... mprotect resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 575] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 304] <... restart_syscall resumed>) = 0 [pid 571] <... setpgid resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 576 attached [pid 574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 571] <... openat resumed>) = 3 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 577 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 575] <... clone3 resumed> => {parent_tid=[578]}, 88) = 578 [pid 571] write(3, "1000", 4 [pid 574] mkdirat(AT_FDCWD, "./debug", 0777 [pid 575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 575] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 575] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 571] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 578 attached [pid 578] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 571] close(3 [pid 578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 578] mkdirat(AT_FDCWD, "./debug", 0777 [pid 571] <... close resumed>) = 0 [pid 574] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 578] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 575] <... futex resumed>) = 0 [pid 575] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 575] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 578] <... futex resumed>) = 1 [pid 578] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 578] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 575] <... futex resumed>) = 0 [pid 575] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 575] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 578] <... futex resumed>) = 1 [pid 578] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 578] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 575] <... futex resumed>) = 0 [pid 575] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 575] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 575] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 575] rt_sigprocmask(SIG_BLOCK, ~[] [pid 571] write(1, "executing program\n", 18 [pid 574] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 575] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 571] <... write resumed>) = 18 [pid 574] <... futex resumed>) = 1 [pid 565] <... futex resumed>) = 0 [pid 571] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 565] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 574] mount(NULL, "./debug", "debugfs", 0, NULLci2-android-5-15/strace-static-x86_64: Process 577 attached [pid 576] set_robust_list(0x55555694b6a0, 24 [pid 575] <... clone3 resumed> => {parent_tid=[579]}, 88) = 579 [pid 571] <... futex resumed>) = 0 [pid 565] <... futex resumed>) = 0 [pid 575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 574] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 571] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 565] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 575] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 575] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 579 attached [pid 579] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 579] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 571] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 574] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] <... set_robust_list resumed>) = 0 [pid 571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 574] <... futex resumed>) = 1 [pid 571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 565] <... futex resumed>) = 0 [pid 571] <... mmap resumed>) = 0x7fe952cb3000 [pid 565] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 574] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 571] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 565] <... futex resumed>) = 0 [pid 571] <... mprotect resumed>) = 0 [pid 565] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 574] <... openat resumed>) = 3 [pid 571] rt_sigprocmask(SIG_BLOCK, ~[] [pid 574] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 574] <... futex resumed>) = 1 [pid 565] <... futex resumed>) = 0 [pid 565] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 574] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 565] <... futex resumed>) = 0 [pid 571] <... clone3 resumed> => {parent_tid=[580]}, 88) = 580 [pid 574] <... write resumed>) = -1 ESRCH (No such process) [pid 565] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] rt_sigprocmask(SIG_SETMASK, [] [pid 565] <... futex resumed>) = 0 [pid 574] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 574] <... futex resumed>) = 0 [pid 571] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 565] <... mmap resumed>) = 0x7fe952c92000 [pid 574] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 571] <... futex resumed>) = 0 [pid 565] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 571] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 565] <... mprotect resumed>) = 0 [pid 579] <... openat resumed>) = 4 [pid 579] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 575] <... futex resumed>) = 0 [pid 565] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 579] <... futex resumed>) = 1 [pid 565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 579] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 580 attached [pid 580] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 580] rt_sigprocmask(SIG_SETMASK, [] [pid 565] <... clone3 resumed> => {parent_tid=[581]}, 88) = 581 [pid 580] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 565] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 565] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 580] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 580] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] <... futex resumed>) = 0 [pid 571] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] rt_sigprocmask(SIG_SETMASK, [] [pid 571] <... futex resumed>) = 0 [pid 571] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 580] <... futex resumed>) = 1 [pid 576] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 580] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 577] set_robust_list(0x55555694b6a0, 24 [pid 576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 580] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] <... futex resumed>) = 0 [pid 571] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 571] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 580] <... futex resumed>) = 1 [pid 580] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 580] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] <... futex resumed>) = 0 [pid 571] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 571] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 571] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 582 attached ci2-android-5-15/strace-static-x86_64: Process 581 attached [pid 578] <... futex resumed>) = 1 [pid 577] <... set_robust_list resumed>) = 0 [pid 576] <... prctl resumed>) = 0 [pid 571] <... clone3 resumed> => {parent_tid=[582]}, 88) = 582 [pid 571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 571] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 571] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 580] <... futex resumed>) = 1 [pid 580] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 580] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 580] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 582] set_robust_list(0x7fe952cb29a0, 24 [pid 576] setpgid(0, 0 [pid 582] <... set_robust_list resumed>) = 0 [pid 582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 582] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 577] rt_sigprocmask(SIG_SETMASK, [] [pid 576] <... setpgid resumed>) = 0 [pid 576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 577] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 578] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 582] <... openat resumed>) = 4 [pid 582] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] <... futex resumed>) = 0 [pid 576] <... openat resumed>) = 3 [pid 571] exit_group(0) = ? [pid 576] write(3, "1000", 4 [pid 578] <... write resumed>) = -1 ESRCH (No such process) [pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 576] <... write resumed>) = 4 [pid 582] <... futex resumed>) = ? [pid 582] +++ exited with 0 +++ [pid 578] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] close(3 [pid 577] <... prctl resumed>) = 0 [pid 581] set_robust_list(0x7fe952cb29a0, 24 [pid 580] <... futex resumed>) = ? [pid 575] exit_group(0 [pid 576] <... close resumed>) = 0 [pid 575] <... exit_group resumed>) = ? [pid 579] <... futex resumed>) = ? [pid 576] write(1, "executing program\n", 18 [pid 578] <... futex resumed>) = ? executing program [pid 579] +++ exited with 0 +++ [pid 576] <... write resumed>) = 18 [pid 577] setpgid(0, 0) = 0 [pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 576] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] write(3, "1000", 4) = 4 [pid 577] close(3) = 0 [pid 577] write(1, "executing program\n", 18) = 18 [pid 577] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 577] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 576] <... futex resumed>) = 0 executing program [pid 577] <... mprotect resumed>) = 0 [pid 577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[583]}, 88) = 583 [pid 577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 577] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 583 attached [pid 583] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 583] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 583] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] <... futex resumed>) = 0 [pid 577] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 583] <... futex resumed>) = 1 [pid 583] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 583] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] <... futex resumed>) = 0 [pid 577] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 583] <... futex resumed>) = 1 [pid 583] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 576] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 578] +++ exited with 0 +++ [pid 576] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 575] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=575, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 583] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] <... mmap resumed>) = 0x7fe952cb3000 [pid 576] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 577] <... futex resumed>) = 0 [pid 577] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] <... mprotect resumed>) = 0 [pid 577] <... futex resumed>) = 0 [pid 577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 576] rt_sigprocmask(SIG_BLOCK, ~[] [pid 577] <... mmap resumed>) = 0x7fe952c92000 [pid 576] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 577] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 577] <... mprotect resumed>) = 0 [pid 577] rt_sigprocmask(SIG_BLOCK, ~[] [pid 576] <... clone3 resumed> => {parent_tid=[584]}, 88) = 584 [pid 577] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 576] rt_sigprocmask(SIG_SETMASK, [] [pid 577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 576] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 576] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] <... clone3 resumed> => {parent_tid=[585]}, 88) = 585 [pid 576] <... futex resumed>) = 0 [pid 577] rt_sigprocmask(SIG_SETMASK, [] [pid 576] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 577] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 577] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 577] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 583] <... futex resumed>) = 1 [pid 583] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 583] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 584 attached ci2-android-5-15/strace-static-x86_64: Process 585 attached [pid 584] set_robust_list(0x7fe952cd39a0, 24 [pid 585] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 581] <... set_robust_list resumed>) = 0 [pid 584] <... set_robust_list resumed>) = 0 [pid 585] rt_sigprocmask(SIG_SETMASK, [] [pid 584] rt_sigprocmask(SIG_SETMASK, [] [pid 585] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 584] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 585] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 584] mkdirat(AT_FDCWD, "./debug", 0777 [pid 581] rt_sigprocmask(SIG_SETMASK, [] [pid 584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 584] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] <... futex resumed>) = 0 [pid 576] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 584] <... futex resumed>) = 1 [pid 584] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 585] <... openat resumed>) = 4 [pid 584] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] <... futex resumed>) = 0 [pid 576] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 585] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 584] <... futex resumed>) = 1 [pid 577] <... futex resumed>) = 0 [pid 581] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 577] exit_group(0) = ? [pid 583] <... futex resumed>) = ? [pid 583] +++ exited with 0 +++ [pid 581] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 584] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 580] +++ exited with 0 +++ [pid 571] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 586 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 585] <... futex resumed>) = ? [pid 584] <... openat resumed>) = 3 [pid 581] <... openat resumed>) = 4 [pid 584] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] <... futex resumed>) = 0 [pid 576] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 576] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[587]}, 88) = 587 [pid 576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 576] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 576] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 581] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 584] <... futex resumed>) = 1 [pid 584] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 584] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 584] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 585] +++ exited with 0 +++ [pid 577] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... restart_syscall resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 587 attached [pid 587] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 588 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 581] <... futex resumed>) = 1 [pid 565] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 588 attached [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 589 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 565] exit_group(0 [pid 587] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 581] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 574] <... futex resumed>) = ? [pid 565] <... exit_group resumed>) = ? [pid 574] +++ exited with 0 +++ [pid 587] <... openat resumed>) = 4 [pid 587] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] <... futex resumed>) = 0 [pid 576] exit_group(0) = ? [pid 584] <... futex resumed>) = ? [pid 584] +++ exited with 0 +++ [pid 587] <... futex resumed>) = ? [pid 581] +++ exited with 0 +++ [pid 565] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 589 attached [pid 588] set_robust_list(0x55555694b6a0, 24) = 0 [pid 589] set_robust_list(0x55555694b6a0, 24 [pid 587] +++ exited with 0 +++ [pid 576] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 586 attached [pid 586] set_robust_list(0x55555694b6a0, 24) = 0 [pid 586] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 586] setpgid(0, 0) = 0 [pid 586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 586] write(3, "1000", 4) = 4 [pid 586] close(3) = 0 [pid 586] write(1, "executing program\n", 18) = 18 executing program [pid 586] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 586] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 586] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[590]}, 88) = 590 [pid 586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 586] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 590 attached [pid 590] set_robust_list(0x7fe952cd39a0, 24 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 590] <... set_robust_list resumed>) = 0 [pid 590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 590] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 590] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... futex resumed>) = 0 [pid 586] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] <... futex resumed>) = 1 [pid 590] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 588] rt_sigprocmask(SIG_SETMASK, [] [pid 590] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... futex resumed>) = 0 [pid 586] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] <... futex resumed>) = 1 [pid 590] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 590] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... futex resumed>) = 0 [pid 586] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 586] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 586] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[591]}, 88) = 591 [pid 586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 586] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 586] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] <... futex resumed>) = 1 [pid 590] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 590] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 590] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 591 attached [pid 591] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 591] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 588] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 589] <... set_robust_list resumed>) = 0 [pid 591] <... openat resumed>) = 4 [pid 588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 591] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 588] setpgid(0, 0 [pid 586] <... futex resumed>) = 0 [pid 586] exit_group(0) = ? [pid 588] <... setpgid resumed>) = 0 [pid 589] rt_sigprocmask(SIG_SETMASK, [] [pid 590] <... futex resumed>) = ? [pid 590] +++ exited with 0 +++ [pid 591] <... futex resumed>) = ? [pid 588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 588] <... openat resumed>) = 3 [pid 588] write(3, "1000", 4) = 4 [pid 591] +++ exited with 0 +++ [pid 586] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 589] setpgid(0, 0) = 0 [pid 588] close(3 [pid 589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 589] write(3, "1000", 4) = 4 [pid 589] close(3) = 0 [pid 589] write(1, "executing program\n", 18 [pid 588] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 executing program [pid 589] <... write resumed>) = 18 [pid 588] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 588] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 588] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 592 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 588] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 593 [pid 588] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 588] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 589] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 589] <... futex resumed>) = 0 [pid 589] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 588] <... mmap resumed>) = 0x7fe952cb3000 [pid 589] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 588] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 588] <... mprotect resumed>) = 0 [pid 589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 588] rt_sigprocmask(SIG_BLOCK, ~[] [pid 589] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 588] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 589] <... mprotect resumed>) = 0 [pid 588] <... clone3 resumed> => {parent_tid=[594]}, 88) = 594 [pid 589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 588] rt_sigprocmask(SIG_SETMASK, [] [pid 589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 588] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 588] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 588] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 589] <... clone3 resumed> => {parent_tid=[595]}, 88) = 595 [pid 589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 593 attached [pid 593] set_robust_list(0x55555694b6a0, 24ci2-android-5-15/strace-static-x86_64: Process 592 attached ) = 0 [pid 593] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 594 attached [pid 594] set_robust_list(0x7fe952cd39a0, 24 [pid 593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 594] <... set_robust_list resumed>) = 0 [pid 594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 594] mkdirat(AT_FDCWD, "./debug", 0777 [pid 593] <... prctl resumed>) = 0 [pid 593] setpgid(0, 0) = 0 [pid 594] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 592] set_robust_list(0x55555694b6a0, 24 [pid 594] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 594] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] <... futex resumed>) = 0 [pid 588] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 588] <... futex resumed>) = 0 [pid 588] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 594] mount(NULL, "./debug", "debugfs", 0, NULL [pid 593] <... openat resumed>) = 3 [pid 592] <... set_robust_list resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 595 attached [pid 595] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 593] write(3, "1000", 4 [pid 594] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 595] mkdirat(AT_FDCWD, "./debug", 0777 [pid 593] <... write resumed>) = 4 [pid 594] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] rt_sigprocmask(SIG_SETMASK, [] [pid 593] close(3 [pid 594] <... futex resumed>) = 1 [pid 588] <... futex resumed>) = 0 [pid 588] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 594] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 588] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 595] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 593] <... close resumed>) = 0 [pid 594] <... openat resumed>) = 3 [pid 593] write(1, "executing program\n", 18) = 18 executing program [pid 595] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] <... futex resumed>) = 0 [pid 589] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] <... futex resumed>) = 1 [pid 594] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] mount(NULL, "./debug", "debugfs", 0, NULL [pid 594] <... futex resumed>) = 1 [pid 588] <... futex resumed>) = 0 [pid 588] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 588] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 594] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 588] <... futex resumed>) = 0 [pid 588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 594] <... write resumed>) = -1 ESRCH (No such process) [pid 588] <... mmap resumed>) = 0x7fe952c92000 [pid 593] <... futex resumed>) = 0 [pid 588] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 593] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 588] <... mprotect resumed>) = 0 [pid 594] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 588] rt_sigprocmask(SIG_BLOCK, ~[] [pid 593] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 588] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 594] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 593] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 595] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 588] <... clone3 resumed> => {parent_tid=[596]}, 88) = 596 [pid 593] <... mmap resumed>) = 0x7fe952cb3000 [pid 588] rt_sigprocmask(SIG_SETMASK, [] [pid 593] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 588] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 593] <... mprotect resumed>) = 0 [pid 588] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 595] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 588] <... futex resumed>) = 0 [pid 588] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 589] <... futex resumed>) = 0 [pid 589] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 595] <... futex resumed>) = 1 [pid 595] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 593] rt_sigprocmask(SIG_BLOCK, ~[] [pid 595] <... openat resumed>) = 3 [pid 595] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] <... futex resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 589] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 589] <... futex resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 596 attached [pid 592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 589] <... mmap resumed>) = 0x7fe952c92000 [pid 589] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 597 [pid 589] <... mprotect resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 589] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 589] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[598]}, 88) = 598 [pid 589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 589] <... futex resumed>) = 0 [pid 589] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 595] <... futex resumed>) = 1 [pid 593] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 595] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 593] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 595] <... write resumed>) = -1 ESRCH (No such process) [pid 595] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 595] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 593] <... clone3 resumed> => {parent_tid=[599]}, 88) = 599 [pid 593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 593] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 593] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 592] <... prctl resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 598 attached [pid 598] set_robust_list(0x7fe952cb29a0, 24 [pid 592] setpgid(0, 0ci2-android-5-15/strace-static-x86_64: Process 599 attached [pid 599] set_robust_list(0x7fe952cd39a0, 24 [pid 598] <... set_robust_list resumed>) = 0 [pid 598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 599] <... set_robust_list resumed>) = 0 [pid 598] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 599] rt_sigprocmask(SIG_SETMASK, [] [pid 592] <... setpgid resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 597 attached [pid 596] set_robust_list(0x7fe952cb29a0, 24 [pid 599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 599] mkdirat(AT_FDCWD, "./debug", 0777 [pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 599] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] <... openat resumed>) = 3 [pid 593] <... futex resumed>) = 0 [pid 592] write(3, "1000", 4) = 4 [pid 592] close(3) = 0 [pid 593] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] write(1, "executing program\n", 18 [pid 596] <... set_robust_list resumed>) = 0 [pid 593] <... futex resumed>) = 0 [pid 593] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 599] <... futex resumed>) = 1 [pid 599] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 592] <... write resumed>) = 18 [pid 598] <... openat resumed>) = 4 [pid 599] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 593] <... futex resumed>) = 0 [pid 593] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 593] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 599] <... futex resumed>) = 1 [pid 599] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 598] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 589] <... futex resumed>) = 0 [pid 592] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 589] exit_group(0 [pid 595] <... futex resumed>) = ? [pid 592] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 589] <... exit_group resumed>) = ? [pid 597] set_robust_list(0x55555694b6a0, 24 [pid 596] rt_sigprocmask(SIG_SETMASK, [] [pid 595] +++ exited with 0 +++ [pid 592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 598] <... futex resumed>) = ? [pid 592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 599] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 593] <... futex resumed>) = 0 [pid 592] <... mmap resumed>) = 0x7fe952cb3000 [pid 593] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 593] <... futex resumed>) = 0 [pid 593] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 596] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 592] <... mprotect resumed>) = 0 [pid 593] <... futex resumed>) = 0 [pid 593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 592] rt_sigprocmask(SIG_BLOCK, ~[] [pid 596] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 592] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 593] <... mmap resumed>) = 0x7fe952c92000 [pid 592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 593] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 593] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 593] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 592] <... clone3 resumed> => {parent_tid=[600]}, 88) = 600 [pid 592] rt_sigprocmask(SIG_SETMASK, [] [pid 593] <... clone3 resumed> => {parent_tid=[601]}, 88) = 601 [pid 592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 596] <... openat resumed>) = 4 [pid 592] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 593] rt_sigprocmask(SIG_SETMASK, [] [pid 596] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] <... futex resumed>) = 0 [pid 593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 592] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... futex resumed>) = 1 [pid 588] <... futex resumed>) = 0 [pid 593] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 593] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 588] exit_group(0 [pid 596] ???( [pid 588] <... exit_group resumed>) = ? [pid 596] <... ??? resumed>) = ? [pid 594] <... futex resumed>) = ? [pid 597] <... set_robust_list resumed>) = 0 [pid 596] +++ exited with 0 +++ [pid 594] +++ exited with 0 +++ [pid 588] +++ exited with 0 +++ [pid 599] <... futex resumed>) = 1 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 599] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 599] <... write resumed>) = -1 ESRCH (No such process) [pid 599] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 597] rt_sigprocmask(SIG_SETMASK, [] [pid 599] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 598] +++ exited with 0 +++ [pid 589] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 601 attached ci2-android-5-15/strace-static-x86_64: Process 600 attached [pid 597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 601] set_robust_list(0x7fe952cb29a0, 24 [pid 600] set_robust_list(0x7fe952cd39a0, 24 [pid 597] <... prctl resumed>) = 0 [pid 601] <... set_robust_list resumed>) = 0 [pid 600] <... set_robust_list resumed>) = 0 [pid 597] setpgid(0, 0 [pid 601] rt_sigprocmask(SIG_SETMASK, [] [pid 600] rt_sigprocmask(SIG_SETMASK, [] [pid 597] <... setpgid resumed>) = 0 [pid 601] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 600] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 601] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 601] <... openat resumed>) = 4 [pid 600] mkdirat(AT_FDCWD, "./debug", 0777 [pid 601] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 593] <... futex resumed>) = 0 [pid 601] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 600] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] <... openat resumed>) = 3 [pid 593] exit_group(0) = ? [pid 599] <... futex resumed>) = ? [pid 601] <... futex resumed>) = ? [pid 600] <... futex resumed>) = 1 [pid 597] write(3, "1000", 4 [pid 592] <... futex resumed>) = 0 [pid 599] +++ exited with 0 +++ [pid 592] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 592] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 600] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 597] <... write resumed>) = 4 [pid 601] +++ exited with 0 +++ [pid 593] +++ exited with 0 +++ [pid 600] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 600] <... futex resumed>) = 1 [pid 597] <... close resumed>) = 0 [pid 592] <... futex resumed>) = 0 [pid 600] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 597] write(1, "executing program\n", 18 [pid 592] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 592] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 600] <... openat resumed>) = 3 [pid 597] <... write resumed>) = 18 [pid 600] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 600] <... futex resumed>) = 1 [pid 592] <... futex resumed>) = 0 [pid 592] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 592] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 600] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 597] <... futex resumed>) = 0 [pid 592] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 597] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 592] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... restart_syscall resumed>) = 0 [pid 600] <... write resumed>) = -1 ESRCH (No such process) [pid 306] <... restart_syscall resumed>) = 0 [pid 597] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 592] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 600] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 592] <... clone3 resumed> => {parent_tid=[602]}, 88) = 602 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 600] <... futex resumed>) = 0 [pid 597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 592] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 603 attached ci2-android-5-15/strace-static-x86_64: Process 602 attached [pid 600] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 592] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 603 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 604 ci2-android-5-15/strace-static-x86_64: Process 604 attached [pid 603] set_robust_list(0x55555694b6a0, 24 [pid 602] set_robust_list(0x7fe952cb29a0, 24 [pid 597] <... mmap resumed>) = 0x7fe952cb3000 [pid 592] <... futex resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 604] set_robust_list(0x55555694b6a0, 24 [pid 603] <... set_robust_list resumed>) = 0 [pid 602] <... set_robust_list resumed>) = 0 [pid 597] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 592] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 602] rt_sigprocmask(SIG_SETMASK, [] [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 603] rt_sigprocmask(SIG_SETMASK, [] [pid 597] <... mprotect resumed>) = 0 [pid 602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 602] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 597] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 605 attached [pid 605] set_robust_list(0x55555694b6a0, 24) = 0 [pid 605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 602] <... openat resumed>) = 4 [pid 597] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 605 [pid 604] <... set_robust_list resumed>) = 0 [pid 603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 605] <... prctl resumed>) = 0 [pid 605] setpgid(0, 0) = 0 [pid 605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 602] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 605] <... openat resumed>) = 3 [pid 605] write(3, "1000", 4 [pid 602] <... futex resumed>) = 1 [pid 592] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 603] <... prctl resumed>) = 0 [pid 602] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 597] <... clone3 resumed> => {parent_tid=[606]}, 88) = 606 [pid 592] exit_group(0 [pid 603] setpgid(0, 0 [pid 602] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 600] <... futex resumed>) = ? [pid 597] rt_sigprocmask(SIG_SETMASK, [] [pid 592] <... exit_group resumed>) = ? [pid 604] rt_sigprocmask(SIG_SETMASK, [] [pid 603] <... setpgid resumed>) = 0 [pid 602] +++ exited with 0 +++ [pid 600] +++ exited with 0 +++ [pid 597] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 592] +++ exited with 0 +++ [pid 597] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 605] <... write resumed>) = 4 [pid 597] <... futex resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 597] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 605] close(3) = 0 [pid 603] <... openat resumed>) = 3 [pid 605] write(1, "executing program\n", 18) = 18 [pid 605] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 605] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 605] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 603] write(3, "1000", 4 [pid 605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[607]}, 88) = 607 [pid 603] <... write resumed>) = 4 [pid 605] rt_sigprocmask(SIG_SETMASK, [] [pid 604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 603] close(3 [pid 605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 605] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 603] <... close resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 606 attached [pid 603] write(1, "executing program\n", 18 [pid 606] set_robust_list(0x7fe952cd39a0, 24 [pid 603] <... write resumed>) = 18 executing program [pid 606] <... set_robust_list resumed>) = 0 [pid 606] rt_sigprocmask(SIG_SETMASK, [] [pid 603] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 604] <... prctl resumed>) = 0 [pid 603] <... futex resumed>) = 0 [pid 606] mkdirat(AT_FDCWD, "./debug", 0777 [pid 604] setpgid(0, 0 [pid 603] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 606] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 606] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 597] <... futex resumed>) = 0 [pid 603] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 597] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 606] mount(NULL, "./debug", "debugfs", 0, NULL [pid 603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 597] <... futex resumed>) = 0 [pid 603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 597] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 606] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 603] <... mmap resumed>) = 0x7fe952cb3000 [pid 606] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 606] <... futex resumed>) = 1 [pid 597] <... futex resumed>) = 0 [pid 603] <... mprotect resumed>) = 0 [pid 597] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 606] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 597] <... futex resumed>) = 0 [pid 603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 606] <... openat resumed>) = 3 [pid 603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 597] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 606] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 603] <... clone3 resumed> => {parent_tid=[608]}, 88) = 608 [pid 597] <... futex resumed>) = 0 [pid 603] rt_sigprocmask(SIG_SETMASK, [] [pid 597] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 597] <... futex resumed>) = 0 [pid 603] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] <... futex resumed>) = 0 [pid 597] <... futex resumed>) = 0 [pid 603] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 597] <... mmap resumed>) = 0x7fe952c92000 [pid 606] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 597] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 606] <... write resumed>) = -1 ESRCH (No such process) [pid 597] <... mprotect resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 597] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 597] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 606] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 606] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 607 attached [pid 607] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 609 [pid 607] mkdirat(AT_FDCWD, "./debug", 0777 [pid 597] <... clone3 resumed> => {parent_tid=[610]}, 88) = 610 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 597] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 597] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 597] <... futex resumed>) = 0 [pid 607] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 605] <... futex resumed>) = 0 [pid 605] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 607] <... futex resumed>) = 1 [pid 607] mount(NULL, "./debug", "debugfs", 0, NULL [pid 604] <... setpgid resumed>) = 0 [pid 607] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 607] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 605] <... futex resumed>) = 0 [pid 605] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 607] <... futex resumed>) = 1 [pid 607] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 604] <... openat resumed>) = 3 [pid 607] <... openat resumed>) = 3 [pid 607] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 605] <... futex resumed>) = 0 [pid 605] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-15/strace-static-x86_64: Process 610 attached ci2-android-5-15/strace-static-x86_64: Process 608 attached ) = 0x7fe952c92000 [pid 604] write(3, "1000", 4 [pid 605] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 604] <... write resumed>) = 4 [pid 610] set_robust_list(0x7fe952cb29a0, 24 [pid 608] set_robust_list(0x7fe952cd39a0, 24 [pid 605] rt_sigprocmask(SIG_BLOCK, ~[] [pid 604] close(3 [pid 605] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 611 attached [pid 610] <... set_robust_list resumed>) = 0 [pid 608] <... set_robust_list resumed>) = 0 [pid 604] <... close resumed>) = 0 [pid 605] <... clone3 resumed> => {parent_tid=[611]}, 88) = 611 [pid 605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 605] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 605] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 607] <... futex resumed>) = 1 [pid 610] rt_sigprocmask(SIG_SETMASK, [] [pid 604] write(1, "executing program\n", 18 [pid 607] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 607] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 607] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 604] <... write resumed>) = 18 ci2-android-5-15/strace-static-x86_64: Process 609 attached [pid 610] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 604] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 609] set_robust_list(0x55555694b6a0, 24 [pid 604] <... futex resumed>) = 0 [pid 609] <... set_robust_list resumed>) = 0 [pid 610] <... openat resumed>) = 4 [pid 609] rt_sigprocmask(SIG_SETMASK, [] [pid 604] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 604] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 610] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 610] <... futex resumed>) = 1 [pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 597] <... futex resumed>) = 0 [pid 610] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 597] exit_group(0 [pid 604] <... mmap resumed>) = 0x7fe952cb3000 [pid 610] <... futex resumed>) = ? [pid 606] <... futex resumed>) = ? [pid 604] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 597] <... exit_group resumed>) = ? [pid 606] +++ exited with 0 +++ [pid 604] <... mprotect resumed>) = 0 [pid 609] <... prctl resumed>) = 0 [pid 609] setpgid(0, 0 [pid 604] rt_sigprocmask(SIG_BLOCK, ~[] [pid 609] <... setpgid resumed>) = 0 [pid 604] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 609] <... openat resumed>) = 3 [pid 609] write(3, "1000", 4) = 4 [pid 609] close(3) = 0 [pid 604] <... clone3 resumed> => {parent_tid=[612]}, 88) = 612 [pid 609] write(1, "executing program\n", 18 [pid 604] rt_sigprocmask(SIG_SETMASK, [] [pid 609] <... write resumed>) = 18 [pid 604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 610] +++ exited with 0 +++ [pid 609] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] +++ exited with 0 +++ [pid 604] <... futex resumed>) = 0 [pid 609] <... futex resumed>) = 0 [pid 604] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 609] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 609] <... rt_sigaction resumed>, NULL, 8) = 0 executing program [pid 609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 609] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 609] rt_sigprocmask(SIG_BLOCK, ~[] [pid 608] rt_sigprocmask(SIG_SETMASK, [] [pid 609] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 611] set_robust_list(0x7fe952cb29a0, 24 [pid 609] <... clone3 resumed> => {parent_tid=[613]}, 88) = 613 [pid 309] <... restart_syscall resumed>) = 0 [pid 608] mkdirat(AT_FDCWD, "./debug", 0777 [pid 609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 609] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 608] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 609] <... futex resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 608] <... futex resumed>) = 1 [pid 603] <... futex resumed>) = 0 [pid 609] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 612 attached [pid 612] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 612] rt_sigprocmask(SIG_SETMASK, [] [pid 608] mount(NULL, "./debug", "debugfs", 0, NULL [pid 603] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 614 [pid 603] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 608] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 612] mkdirat(AT_FDCWD, "./debug", 0777 [pid 608] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 603] <... futex resumed>) = 0 [pid 608] <... futex resumed>) = 1 [pid 603] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 612] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 608] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 603] <... futex resumed>) = 0 [pid 612] <... futex resumed>) = 1 [pid 604] <... futex resumed>) = 0 [pid 603] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 608] <... openat resumed>) = 3 [pid 604] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 612] mount(NULL, "./debug", "debugfs", 0, NULL [pid 608] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 613 attached [pid 612] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 608] <... futex resumed>) = 1 [pid 604] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 611] <... set_robust_list resumed>) = 0 [pid 603] <... futex resumed>) = 0 [pid 612] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 612] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 614 attached [pid 614] set_robust_list(0x55555694b6a0, 24 [pid 613] set_robust_list(0x7fe952cd39a0, 24 [pid 611] rt_sigprocmask(SIG_SETMASK, [] [pid 608] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 603] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 614] <... set_robust_list resumed>) = 0 [pid 614] rt_sigprocmask(SIG_SETMASK, [] [pid 608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 604] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] <... futex resumed>) = 0 [pid 612] <... futex resumed>) = 0 [pid 604] <... futex resumed>) = 1 [pid 603] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 608] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 604] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 603] <... futex resumed>) = 0 [pid 608] <... write resumed>) = -1 ESRCH (No such process) [pid 611] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 608] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 608] <... futex resumed>) = 0 [pid 603] <... mmap resumed>) = 0x7fe952c92000 [pid 612] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 608] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 603] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 612] <... openat resumed>) = 3 [pid 603] <... mprotect resumed>) = 0 [pid 611] <... openat resumed>) = 4 [pid 612] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] rt_sigprocmask(SIG_BLOCK, ~[] [pid 611] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 612] <... futex resumed>) = 1 [pid 604] <... futex resumed>) = 0 [pid 603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 611] <... futex resumed>) = 1 [pid 605] <... futex resumed>) = 0 [pid 612] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 605] exit_group(0 [pid 604] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 612] <... write resumed>) = -1 ESRCH (No such process) [pid 607] <... futex resumed>) = ? [pid 605] <... exit_group resumed>) = ? [pid 604] <... futex resumed>) = 0 [pid 603] <... clone3 resumed> => {parent_tid=[615]}, 88) = 615 ci2-android-5-15/strace-static-x86_64: Process 615 attached [pid 613] <... set_robust_list resumed>) = 0 [pid 612] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 607] +++ exited with 0 +++ [pid 604] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] rt_sigprocmask(SIG_SETMASK, [] [pid 612] <... futex resumed>) = 0 [pid 612] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 612] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 611] +++ exited with 0 +++ [pid 605] +++ exited with 0 +++ [pid 612] <... futex resumed>) = 0 [pid 603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 604] <... futex resumed>) = 0 [pid 612] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 604] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 603] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 613] rt_sigprocmask(SIG_SETMASK, [] [pid 614] <... prctl resumed>) = 0 [pid 614] setpgid(0, 0) = 0 [pid 614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 615] set_robust_list(0x7fe952cb29a0, 24 [pid 613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 603] <... futex resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 603] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 613] mkdirat(AT_FDCWD, "./debug", 0777 [pid 604] exit_group(0 [pid 614] <... openat resumed>) = 3 [pid 613] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 612] <... futex resumed>) = ? [pid 604] <... exit_group resumed>) = ? [pid 615] <... set_robust_list resumed>) = 0 [pid 612] +++ exited with 0 +++ [pid 614] write(3, "1000", 4) = 4 [pid 614] close(3) = 0 [pid 614] write(1, "executing program\n", 18) = 18 executing program [pid 614] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 614] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 614] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 614] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 604] +++ exited with 0 +++ [pid 614] <... clone3 resumed> => {parent_tid=[616]}, 88) = 616 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 615] rt_sigprocmask(SIG_SETMASK, [] [pid 614] rt_sigprocmask(SIG_SETMASK, [] [pid 613] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 614] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 614] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 616 attached [pid 615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 613] <... futex resumed>) = 1 [pid 609] <... futex resumed>) = 0 [pid 609] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 616] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 616] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 614] <... futex resumed>) = 0 [pid 614] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 617 [pid 614] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 616] <... futex resumed>) = 1 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 616] mount(NULL, "./debug", "debugfs", 0, NULL [pid 613] mount(NULL, "./debug", "debugfs", 0, NULL [pid 615] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 616] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 616] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 614] <... futex resumed>) = 0 [pid 614] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 614] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] <... futex resumed>) = 1 [pid 613] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 616] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 616] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 614] <... futex resumed>) = 0 [pid 614] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 614] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 613] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 614] <... futex resumed>) = 0 [pid 614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 613] <... futex resumed>) = 1 [pid 609] <... futex resumed>) = 0 [pid 614] <... mmap resumed>) = 0x7fe952c92000 [pid 609] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 614] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 609] <... futex resumed>) = 0 [pid 614] <... mprotect resumed>) = 0 [pid 609] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 614] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 613] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 614] <... clone3 resumed> => {parent_tid=[618]}, 88) = 618 [pid 613] <... openat resumed>) = 3 [pid 614] rt_sigprocmask(SIG_SETMASK, [] [pid 613] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 614] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 613] <... futex resumed>) = 1 [pid 609] <... futex resumed>) = 0 [pid 614] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 609] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 613] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 609] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 613] <... write resumed>) = -1 ESRCH (No such process) [pid 609] <... mprotect resumed>) = 0 [pid 609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 613] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] <... clone3 resumed> => {parent_tid=[619]}, 88) = 619 [pid 609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 609] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] <... futex resumed>) = 1 [pid 616] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16ci2-android-5-15/strace-static-x86_64: Process 617 attached [pid 615] <... openat resumed>) = 4 [pid 613] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 616] <... write resumed>) = -1 ESRCH (No such process) [pid 616] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 619 attached [pid 619] set_robust_list(0x7fe952cb29a0, 24 [pid 617] set_robust_list(0x55555694b6a0, 24 [pid 615] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 619] <... set_robust_list resumed>) = 0 [pid 619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 619] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 617] <... set_robust_list resumed>) = 0 [pid 615] <... futex resumed>) = 1 [pid 603] <... futex resumed>) = 0 [pid 603] exit_group(0 [pid 615] ???( [pid 603] <... exit_group resumed>) = ? [pid 615] <... ??? resumed>) = ? [pid 608] <... futex resumed>) = ? [pid 608] +++ exited with 0 +++ [pid 619] <... openat resumed>) = 4 [pid 619] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 609] <... futex resumed>) = 0 [pid 609] exit_group(0) = ? [pid 613] <... futex resumed>) = ? [pid 619] <... futex resumed>) = ? [pid 613] +++ exited with 0 +++ [pid 615] +++ exited with 0 +++ [pid 603] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 617] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 619] +++ exited with 0 +++ [pid 609] +++ exited with 0 +++ [pid 617] setpgid(0, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 617] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 620 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 618 attached [pid 618] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 618] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 621 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 618] <... openat resumed>) = 4 [pid 618] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 617] <... openat resumed>) = 3 [pid 614] <... futex resumed>) = 0 [pid 614] exit_group(0 [pid 616] <... futex resumed>) = ? [pid 614] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 620 attached [pid 617] write(3, "1000", 4 [pid 616] +++ exited with 0 +++ [pid 618] <... futex resumed>) = ? [pid 617] <... write resumed>) = 4 [pid 620] set_robust_list(0x55555694b6a0, 24 [pid 617] close(3) = 0 [pid 620] <... set_robust_list resumed>) = 0 [pid 620] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 617] write(1, "executing program\n", 18) = 18 [pid 617] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 618] +++ exited with 0 +++ [pid 617] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 614] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 617] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 621 attached , NULL, 8) = 0 [pid 617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 621] set_robust_list(0x55555694b6a0, 24) = 0 [pid 621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 617] <... mmap resumed>) = 0x7fe952cb3000 [pid 620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 621] <... prctl resumed>) = 0 [pid 621] setpgid(0, 0) = 0 [pid 621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 617] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 621] <... openat resumed>) = 3 [pid 621] write(3, "1000", 4) = 4 [pid 621] close(3 [pid 620] <... prctl resumed>) = 0 [pid 617] <... mprotect resumed>) = 0 [pid 621] <... close resumed>) = 0 [pid 621] write(1, "executing program\n", 18) = 18 executing program [pid 617] rt_sigprocmask(SIG_BLOCK, ~[] [pid 621] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 617] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 621] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 617] <... clone3 resumed> => {parent_tid=[622]}, 88) = 622 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 621] <... mprotect resumed>) = 0 [pid 621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 617] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 623 [pid 617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 617] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 617] <... futex resumed>) = 0 [pid 621] <... clone3 resumed> => {parent_tid=[624]}, 88) = 624 [pid 621] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 623 attached , NULL, 8) = 0 [pid 620] setpgid(0, 0 [pid 617] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 621] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 622 attached [pid 622] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 622] rt_sigprocmask(SIG_SETMASK, [] [pid 623] set_robust_list(0x55555694b6a0, 24 [pid 620] <... setpgid resumed>) = 0 [pid 622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 622] mkdirat(AT_FDCWD, "./debug", 0777 [pid 623] <... set_robust_list resumed>) = 0 [pid 620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 622] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 617] <... futex resumed>) = 0 [pid 620] <... openat resumed>) = 3 [pid 617] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 620] write(3, "1000", 4 [pid 617] <... futex resumed>) = 0 [pid 622] mount(NULL, "./debug", "debugfs", 0, NULL [pid 617] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 620] <... write resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 620] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 620] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 620] write(1, "executing program\n", 18 [pid 622] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 622] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 622] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 624 attached [pid 620] <... write resumed>) = 18 [pid 617] <... futex resumed>) = 0 executing program [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 625 [pid 617] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 620] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 617] <... futex resumed>) = 1 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 620] <... futex resumed>) = 0 [pid 617] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 620] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 624] set_robust_list(0x7fe952cd39a0, 24 [pid 620] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 624] <... set_robust_list resumed>) = 0 [pid 624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 624] mkdirat(AT_FDCWD, "./debug", 0777 [pid 620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 622] <... futex resumed>) = 0 [pid 620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 624] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] <... futex resumed>) = 0 [pid 621] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 624] <... futex resumed>) = 1 [pid 624] mount(NULL, "./debug", "debugfs", 0, NULL [pid 620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 622] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 623] rt_sigprocmask(SIG_SETMASK, [] [pid 620] <... mmap resumed>) = 0x7fe952cb3000 [pid 624] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 624] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] <... futex resumed>) = 0 [pid 621] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 624] <... futex resumed>) = 1 [pid 620] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 624] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 622] <... openat resumed>) = 3 [pid 620] <... mprotect resumed>) = 0 [pid 624] <... openat resumed>) = 3 [pid 620] rt_sigprocmask(SIG_BLOCK, ~[] [pid 623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 622] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 624] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] <... futex resumed>) = 0 [pid 621] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 622] <... futex resumed>) = 1 [pid 620] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 617] <... futex resumed>) = 0 [pid 621] <... futex resumed>) = 0 [pid 617] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 623] <... prctl resumed>) = 0 [pid 622] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 617] <... futex resumed>) = 0 [pid 617] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 623] setpgid(0, 0 [pid 622] <... write resumed>) = -1 ESRCH (No such process) [pid 617] <... mmap resumed>) = 0x7fe952c92000 [pid 620] <... clone3 resumed> => {parent_tid=[626]}, 88) = 626 [pid 623] <... setpgid resumed>) = 0 [pid 622] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 620] rt_sigprocmask(SIG_SETMASK, [] [pid 617] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 622] <... futex resumed>) = 0 [pid 620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 617] <... mprotect resumed>) = 0 [pid 620] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 622] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 620] <... futex resumed>) = 0 [pid 617] rt_sigprocmask(SIG_BLOCK, ~[] [pid 621] <... mmap resumed>) = 0x7fe952c92000 [pid 620] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 617] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 621] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 623] <... openat resumed>) = 3 [pid 621] <... mprotect resumed>) = 0 [pid 621] rt_sigprocmask(SIG_BLOCK, ~[] [pid 623] write(3, "1000", 4 [pid 621] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 617] <... clone3 resumed> => {parent_tid=[627]}, 88) = 627 [pid 623] <... write resumed>) = 4 [pid 617] rt_sigprocmask(SIG_SETMASK, [] [pid 621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 623] close(3 [pid 617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 617] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 623] <... close resumed>) = 0 [pid 617] <... futex resumed>) = 0 [pid 623] write(1, "executing program\n", 18 executing program [pid 617] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 623] <... write resumed>) = 18 [pid 621] <... clone3 resumed> => {parent_tid=[628]}, 88) = 628 [pid 623] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 621] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 621] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 626 attached [pid 623] <... futex resumed>) = 0 [pid 624] <... futex resumed>) = 1 [pid 624] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 623] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 624] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 624] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 625 attached [pid 625] set_robust_list(0x55555694b6a0, 24) = 0 [pid 626] set_robust_list(0x7fe952cd39a0, 24 [pid 623] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 626] <... set_robust_list resumed>) = 0 [pid 623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 625] <... prctl resumed>) = 0 [pid 625] setpgid(0, 0) = 0 [pid 625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 626] rt_sigprocmask(SIG_SETMASK, [] [pid 623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-15/strace-static-x86_64: Process 628 attached ) = 0x7fe952cb3000 [pid 623] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 628] set_robust_list(0x7fe952cb29a0, 24 [pid 623] <... mprotect resumed>) = 0 [pid 628] <... set_robust_list resumed>) = 0 [pid 623] rt_sigprocmask(SIG_BLOCK, ~[] [pid 628] rt_sigprocmask(SIG_SETMASK, [] [pid 623] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 628] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 623] <... clone3 resumed> => {parent_tid=[629]}, 88) = 629 [pid 623] rt_sigprocmask(SIG_SETMASK, [] [pid 626] mkdirat(AT_FDCWD, "./debug", 0777 [pid 623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 623] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 626] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 623] <... futex resumed>) = 0 [pid 626] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 625] <... openat resumed>) = 3 [pid 623] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 620] <... futex resumed>) = 0 [pid 626] <... futex resumed>) = 1 [pid 625] write(3, "1000", 4 [pid 620] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 626] mount(NULL, "./debug", "debugfs", 0, NULL [pid 625] <... write resumed>) = 4 [pid 620] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 626] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 625] close(3 [pid 628] <... openat resumed>) = 4 [pid 628] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 621] <... futex resumed>) = 0 [pid 621] exit_group(0 [pid 626] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 625] <... close resumed>) = 0 [pid 621] <... exit_group resumed>) = ? [pid 626] <... futex resumed>) = 1 [pid 625] write(1, "executing program\n", 18 [pid 620] <... futex resumed>) = 0 executing program [pid 626] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 620] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 625] <... write resumed>) = 18 [pid 620] <... futex resumed>) = 0 [pid 626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 620] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 626] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 625] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 624] <... futex resumed>) = ? [pid 624] +++ exited with 0 +++ [pid 628] <... futex resumed>) = ? [pid 625] <... futex resumed>) = 0 [pid 626] <... openat resumed>) = 3 [pid 625] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 626] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 625] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 626] <... futex resumed>) = 1 [pid 620] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 627 attached [pid 626] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 620] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 626] <... write resumed>) = -1 ESRCH (No such process) [pid 620] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 626] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 620] <... futex resumed>) = 0 [pid 620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 625] <... mmap resumed>) = 0x7fe952cb3000 [pid 620] <... mmap resumed>) = 0x7fe952c92000 [pid 626] <... futex resumed>) = 0 [pid 625] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 620] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 626] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 625] <... mprotect resumed>) = 0 [pid 625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 620] <... mprotect resumed>) = 0 [pid 620] rt_sigprocmask(SIG_BLOCK, ~[] [pid 625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 620] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 627] set_robust_list(0x7fe952cb29a0, 24 [pid 625] <... clone3 resumed> => {parent_tid=[631]}, 88) = 631 [pid 620] <... clone3 resumed> => {parent_tid=[630]}, 88) = 630 [pid 627] <... set_robust_list resumed>) = 0 [pid 625] rt_sigprocmask(SIG_SETMASK, [] [pid 620] rt_sigprocmask(SIG_SETMASK, [] [pid 627] rt_sigprocmask(SIG_SETMASK, [] [pid 625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 625] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 620] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 625] <... futex resumed>) = 0 [pid 620] <... futex resumed>) = 0 [pid 625] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 620] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 627] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTYci2-android-5-15/strace-static-x86_64: Process 631 attached ) = 4 [pid 631] set_robust_list(0x7fe952cd39a0, 24 [pid 627] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 627] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 617] <... futex resumed>) = 0 [pid 628] +++ exited with 0 +++ [pid 621] +++ exited with 0 +++ [pid 631] <... set_robust_list resumed>) = 0 [pid 617] exit_group(0) = ? [pid 622] <... futex resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=621, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 627] <... futex resumed>) = ? [pid 622] +++ exited with 0 +++ [pid 631] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 627] +++ exited with 0 +++ [pid 617] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 629 attached [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 629] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 629] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 632 [pid 629] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 629] <... futex resumed>) = 1 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 623] <... futex resumed>) = 0 [pid 629] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 623] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 623] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 629] mount(NULL, "./debug", "debugfs", 0, NULL [pid 304] <... restart_syscall resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 630 attached ci2-android-5-15/strace-static-x86_64: Process 632 attached [pid 631] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 629] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 629] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 623] <... futex resumed>) = 0 [pid 623] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 623] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 629] <... futex resumed>) = 1 [pid 629] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 629] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 623] <... futex resumed>) = 0 [pid 623] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 623] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 623] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 623] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 631] mkdirat(AT_FDCWD, "./debug", 0777 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[633]}, 88) = 633 [pid 623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 623] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 623] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 629] <... futex resumed>) = 1 [pid 629] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 632] set_robust_list(0x55555694b6a0, 24 [pid 631] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 630] set_robust_list(0x7fe952cb29a0, 24 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 634 [pid 629] <... write resumed>) = -1 ESRCH (No such process) [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 629] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 629] <... futex resumed>) = 0 [pid 629] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 634 attached [pid 634] set_robust_list(0x55555694b6a0, 24) = 0 [pid 631] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 634] rt_sigprocmask(SIG_SETMASK, [] [pid 625] <... futex resumed>) = 0 [pid 631] <... futex resumed>) = 1 [pid 625] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 625] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 634] setpgid(0, 0 [pid 632] <... set_robust_list resumed>) = 0 [pid 631] mount(NULL, "./debug", "debugfs", 0, NULL [pid 630] <... set_robust_list resumed>) = 0 [pid 634] <... setpgid resumed>) = 0 [pid 634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 634] write(3, "1000", 4) = 4 [pid 634] close(3) = 0 executing program [pid 634] write(1, "executing program\n", 18) = 18 [pid 634] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 631] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 634] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 631] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 630] rt_sigprocmask(SIG_SETMASK, [] [pid 634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 634] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 631] <... futex resumed>) = 1 [pid 625] <... futex resumed>) = 0 [pid 630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 631] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 625] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 634] rt_sigprocmask(SIG_BLOCK, ~[] [pid 631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 630] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 625] <... futex resumed>) = 0 [pid 634] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 631] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 625] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 631] <... openat resumed>) = 3 [pid 630] <... openat resumed>) = 4 [pid 634] <... clone3 resumed> => {parent_tid=[635]}, 88) = 635 [pid 631] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 630] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 634] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 631] <... futex resumed>) = 1 [pid 630] <... futex resumed>) = 1 [pid 625] <... futex resumed>) = 0 [pid 620] <... futex resumed>) = 0 [pid 631] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 625] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 631] <... write resumed>) = -1 ESRCH (No such process) [pid 630] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 625] <... futex resumed>) = 0 [pid 620] exit_group(0 [pid 631] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 625] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 620] <... exit_group resumed>) = ? [pid 626] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) [pid 631] <... futex resumed>) = 0 [pid 630] <... futex resumed>) = ? [pid 625] <... futex resumed>) = 0 [pid 626] +++ exited with 0 +++ [pid 631] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 ci2-android-5-15/strace-static-x86_64: Process 633 attached [pid 625] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 633] set_robust_list(0x7fe952cb29a0, 24 [pid 625] <... mprotect resumed>) = 0 [pid 633] <... set_robust_list resumed>) = 0 [pid 625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 633] rt_sigprocmask(SIG_SETMASK, [] [pid 625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 633] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 625] <... clone3 resumed> => {parent_tid=[636]}, 88) = 636 [pid 630] +++ exited with 0 +++ [pid 625] rt_sigprocmask(SIG_SETMASK, [] [pid 620] +++ exited with 0 +++ [pid 625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 625] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 625] <... futex resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 625] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 633] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 623] <... futex resumed>) = 0 [pid 623] exit_group(0 [pid 629] <... futex resumed>) = ? [pid 623] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 636 attached [pid 632] rt_sigprocmask(SIG_SETMASK, [] [pid 629] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 633] <... futex resumed>) = ? [pid 636] set_robust_list(0x7fe952cb29a0, 24 [pid 632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 633] +++ exited with 0 +++ [pid 623] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 635 attached [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 635] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 637 [pid 635] mkdirat(AT_FDCWD, "./debug", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 635] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 632] <... prctl resumed>) = 0 [pid 635] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 632] setpgid(0, 0 [pid 634] <... futex resumed>) = 0 [pid 634] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 636] <... set_robust_list resumed>) = 0 [pid 634] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 632] <... setpgid resumed>) = 0 [pid 635] <... futex resumed>) = 1 [pid 632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 635] mount(NULL, "./debug", "debugfs", 0, NULL [pid 632] <... openat resumed>) = 3 [pid 635] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 635] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 634] <... futex resumed>) = 0 [pid 634] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 636] rt_sigprocmask(SIG_SETMASK, [] [pid 632] write(3, "1000", 4 [pid 635] <... futex resumed>) = 1 [pid 635] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 632] <... write resumed>) = 4 [pid 635] <... openat resumed>) = 3 [pid 635] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 634] <... futex resumed>) = 0 [pid 634] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 634] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 634] rt_sigprocmask(SIG_BLOCK, ~[] [pid 632] close(3 [pid 634] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 636] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 632] <... close resumed>) = 0 [pid 634] <... clone3 resumed> => {parent_tid=[638]}, 88) = 638 [pid 632] write(1, "executing program\n", 18 executing program [pid 634] rt_sigprocmask(SIG_SETMASK, [] [pid 632] <... write resumed>) = 18 [pid 634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 634] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 634] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 635] <... futex resumed>) = 1 [pid 635] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 635] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 635] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 637 attached [pid 632] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 637] set_robust_list(0x55555694b6a0, 24) = 0 [pid 632] <... futex resumed>) = 0 [pid 632] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 637] rt_sigprocmask(SIG_SETMASK, [] [pid 632] <... mmap resumed>) = 0x7fe952cb3000 [pid 637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 632] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 632] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 637] <... prctl resumed>) = 0 [pid 636] <... openat resumed>) = 4 [pid 632] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 636] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 636] <... futex resumed>) = 1 [pid 625] <... futex resumed>) = 0 [pid 637] setpgid(0, 0) = 0 [pid 637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 637] write(3, "1000", 4 [pid 632] <... clone3 resumed> => {parent_tid=[639]}, 88) = 639 [pid 625] exit_group(0 [pid 636] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 640 [pid 636] <... futex resumed>) = ? [pid 632] rt_sigprocmask(SIG_SETMASK, [] [pid 631] <... futex resumed>) = ? [pid 625] <... exit_group resumed>) = ? [pid 637] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 637] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 631] +++ exited with 0 +++ [pid 632] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 637] <... close resumed>) = 0 [pid 632] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 637] write(1, "executing program\n", 18) = 18 [pid 637] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 637] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 executing program [pid 637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 637] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 637] rt_sigprocmask(SIG_BLOCK, ~[] [pid 636] +++ exited with 0 +++ [pid 625] +++ exited with 0 +++ [pid 637] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 637] <... clone3 resumed> => {parent_tid=[641]}, 88) = 641 ci2-android-5-15/strace-static-x86_64: Process 640 attached [pid 637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 637] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 637] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 638 attached [pid 638] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 638] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTYci2-android-5-15/strace-static-x86_64: Process 641 attached ci2-android-5-15/strace-static-x86_64: Process 639 attached [pid 640] set_robust_list(0x55555694b6a0, 24) = 0 [pid 639] set_robust_list(0x7fe952cd39a0, 24 [pid 307] <... restart_syscall resumed>) = 0 [pid 640] rt_sigprocmask(SIG_SETMASK, [] [pid 639] <... set_robust_list resumed>) = 0 [pid 641] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 639] rt_sigprocmask(SIG_SETMASK, [] [pid 641] rt_sigprocmask(SIG_SETMASK, [] [pid 640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 640] <... prctl resumed>) = 0 [pid 639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 640] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 639] mkdirat(AT_FDCWD, "./debug", 0777 [pid 640] <... setpgid resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 642 attached [pid 640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 642 [pid 642] set_robust_list(0x55555694b6a0, 24) = 0 [pid 642] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 640] <... openat resumed>) = 3 [pid 642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 640] write(3, "1000", 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 640] <... write resumed>) = 4 [pid 640] close(3 [pid 639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 642] setpgid(0, 0) = 0 [pid 642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 640] <... close resumed>) = 0 [pid 639] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 640] write(1, "executing program\n", 18 [pid 639] <... futex resumed>) = 1 [pid 632] <... futex resumed>) = 0 executing program [pid 640] <... write resumed>) = 18 [pid 632] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 639] mount(NULL, "./debug", "debugfs", 0, NULL [pid 632] <... futex resumed>) = 0 [pid 640] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 632] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 640] <... futex resumed>) = 0 [pid 639] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 642] <... openat resumed>) = 3 [pid 640] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 639] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 642] write(3, "1000", 4) = 4 [pid 642] close(3 [pid 640] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 639] <... futex resumed>) = 1 [pid 632] <... futex resumed>) = 0 [pid 640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 639] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 632] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 642] <... close resumed>) = 0 [pid 641] mkdirat(AT_FDCWD, "./debug", 0777 [pid 640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 639] <... openat resumed>) = 3 [pid 638] <... openat resumed>) = 4 [pid 642] write(1, "executing program\n", 18) = 18 [pid 642] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 642] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 632] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 639] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 642] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 632] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 632] <... futex resumed>) = 0 [pid 642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 632] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 632] <... futex resumed>) = 0 [pid 640] <... mmap resumed>) = 0x7fe952cb3000 [pid 639] <... futex resumed>) = 0 [pid 632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 642] <... mmap resumed>) = 0x7fe952cb3000 [pid 640] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 632] <... mmap resumed>) = 0x7fe952c92000 [pid 639] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 632] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 640] <... mprotect resumed>) = 0 [pid 639] <... write resumed>) = -1 ESRCH (No such process) [pid 632] <... mprotect resumed>) = 0 [pid 642] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 632] rt_sigprocmask(SIG_BLOCK, ~[] [pid 642] <... mprotect resumed>) = 0 [pid 640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 632] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 639] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 639] <... futex resumed>) = 0 [pid 640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 642] rt_sigprocmask(SIG_BLOCK, ~[] [pid 632] <... clone3 resumed> => {parent_tid=[643]}, 88) = 643 [pid 639] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 632] rt_sigprocmask(SIG_SETMASK, [] [pid 642] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 640] <... clone3 resumed> => {parent_tid=[644]}, 88) = 644 [pid 632] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 640] rt_sigprocmask(SIG_SETMASK, [] [pid 632] <... futex resumed>) = 0 [pid 640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 632] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 640] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 644 attached [pid 641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 640] <... futex resumed>) = 0 [pid 638] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 640] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 642] <... clone3 resumed> => {parent_tid=[645]}, 88) = 645 [pid 642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 642] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 644] set_robust_list(0x7fe952cd39a0, 24 [pid 642] <... futex resumed>) = 0 [pid 641] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 638] <... futex resumed>) = 1 [pid 634] <... futex resumed>) = 0 [pid 634] exit_group(0 [pid 635] <... futex resumed>) = ? [pid 634] <... exit_group resumed>) = ? [pid 644] <... set_robust_list resumed>) = 0 [pid 641] <... futex resumed>) = 1 [pid 637] <... futex resumed>) = 0 [pid 635] +++ exited with 0 +++ [pid 637] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 637] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 642] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 643 attached [pid 643] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 643] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 641] mount(NULL, "./debug", "debugfs", 0, NULL [pid 643] <... openat resumed>) = 4 [pid 643] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 632] <... futex resumed>) = 0 [pid 643] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 632] exit_group(0) = ? [pid 639] <... futex resumed>) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) ci2-android-5-15/strace-static-x86_64: Process 645 attached [pid 643] <... futex resumed>) = ? [pid 641] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 639] +++ exited with 0 +++ [pid 641] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 637] <... futex resumed>) = 0 [pid 637] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 641] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 637] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 641] <... openat resumed>) = 3 [pid 641] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 638] +++ exited with 0 +++ [pid 634] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 641] <... futex resumed>) = 1 [pid 637] <... futex resumed>) = 0 [pid 637] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 637] <... futex resumed>) = 0 [pid 641] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 637] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 637] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 637] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 644] rt_sigprocmask(SIG_SETMASK, [] [pid 641] <... write resumed>) = -1 ESRCH (No such process) [pid 637] <... clone3 resumed> => {parent_tid=[646]}, 88) = 646 [pid 637] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 646 attached [pid 644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 641] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 637] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 637] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 645] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 641] <... futex resumed>) = 0 [pid 644] mkdirat(AT_FDCWD, "./debug", 0777 [pid 646] set_robust_list(0x7fe952cb29a0, 24 [pid 644] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 641] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 645] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 645] mkdirat(AT_FDCWD, "./debug", 0777 [pid 644] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 645] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 645] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 642] <... futex resumed>) = 0 [pid 642] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 642] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 640] <... futex resumed>) = 0 [pid 644] <... futex resumed>) = 1 [pid 640] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 644] mount(NULL, "./debug", "debugfs", 0, NULL [pid 640] <... futex resumed>) = 0 [pid 640] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 644] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 643] +++ exited with 0 +++ [pid 632] +++ exited with 0 +++ [pid 645] <... futex resumed>) = 1 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 644] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 645] mount(NULL, "./debug", "debugfs", 0, NULL [pid 640] <... futex resumed>) = 0 [pid 644] <... futex resumed>) = 1 [pid 640] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 645] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 644] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 640] <... futex resumed>) = 0 [pid 646] <... set_robust_list resumed>) = 0 [pid 644] <... openat resumed>) = 3 [pid 640] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 645] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 644] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 646] rt_sigprocmask(SIG_SETMASK, [] [pid 642] <... futex resumed>) = 0 [pid 640] <... futex resumed>) = 0 [pid 644] <... futex resumed>) = 1 [pid 642] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 640] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 644] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 642] <... futex resumed>) = 0 [pid 640] <... futex resumed>) = 0 [pid 642] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 644] <... write resumed>) = -1 ESRCH (No such process) [pid 640] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 645] <... futex resumed>) = 1 [pid 644] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 640] <... futex resumed>) = 0 [pid 645] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 644] <... futex resumed>) = 0 [pid 640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 645] <... openat resumed>) = 3 [pid 644] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 640] <... mmap resumed>) = 0x7fe952c92000 [pid 645] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 640] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 306] <... restart_syscall resumed>) = 0 [pid 645] <... futex resumed>) = 1 [pid 642] <... futex resumed>) = 0 [pid 640] <... mprotect resumed>) = 0 [pid 645] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 642] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 645] <... write resumed>) = -1 ESRCH (No such process) [pid 642] <... futex resumed>) = 0 [pid 640] rt_sigprocmask(SIG_BLOCK, ~[] [pid 645] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 642] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 640] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 645] <... futex resumed>) = 0 [pid 642] <... futex resumed>) = 0 [pid 640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 645] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 642] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 640] <... clone3 resumed> => {parent_tid=[647]}, 88) = 647 [pid 642] <... mprotect resumed>) = 0 [pid 642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 648 [pid 642] <... clone3 resumed> => {parent_tid=[649]}, 88) = 649 [pid 640] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 642] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 640] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 646] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 642] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 640] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 642] <... futex resumed>) = 0 [pid 642] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 647 attached [pid 647] set_robust_list(0x7fe952cb29a0, 24 [pid 646] <... openat resumed>) = 4 [pid 647] <... set_robust_list resumed>) = 0 [pid 647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 647] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTYci2-android-5-15/strace-static-x86_64: Process 648 attached ) = 4 [pid 646] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 647] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 646] <... futex resumed>) = 1 [pid 637] <... futex resumed>) = 0 [pid 646] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 637] exit_group(0 [pid 646] <... futex resumed>) = ? [pid 641] <... futex resumed>) = ? [pid 637] <... exit_group resumed>) = ? [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 649 attached [pid 648] set_robust_list(0x55555694b6a0, 24 [pid 647] <... futex resumed>) = 1 [pid 646] +++ exited with 0 +++ [pid 641] +++ exited with 0 +++ [pid 640] <... futex resumed>) = 0 [pid 637] +++ exited with 0 +++ [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 647] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 640] exit_group(0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 640] <... exit_group resumed>) = ? [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 644] <... futex resumed>) = ? [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 647] <... futex resumed>) = ? [pid 647] +++ exited with 0 +++ [pid 649] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 649] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 649] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 649] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 642] <... futex resumed>) = 0 [pid 642] exit_group(0 [pid 645] <... futex resumed>) = ? [pid 642] <... exit_group resumed>) = ? [pid 645] +++ exited with 0 +++ [pid 644] +++ exited with 0 +++ [pid 640] +++ exited with 0 +++ [pid 648] <... set_robust_list resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 650 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 649] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 650 attached [pid 648] rt_sigprocmask(SIG_SETMASK, [] [pid 649] +++ exited with 0 +++ [pid 642] +++ exited with 0 +++ [pid 648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 650] set_robust_list(0x55555694b6a0, 24 [pid 648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 650] <... set_robust_list resumed>) = 0 [pid 648] <... prctl resumed>) = 0 [pid 648] setpgid(0, 0 [pid 650] rt_sigprocmask(SIG_SETMASK, [] [pid 648] <... setpgid resumed>) = 0 [pid 650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 648] write(3, "1000", 4 [pid 650] setpgid(0, 0 [pid 648] <... write resumed>) = 4 [pid 650] <... setpgid resumed>) = 0 [pid 648] close(3) = 0 [pid 650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 648] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 648] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 648] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 648] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 651 attached [pid 648] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 651 [pid 651] set_robust_list(0x55555694b6a0, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 648] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 651] <... set_robust_list resumed>) = 0 [pid 648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 650] <... openat resumed>) = 3 [pid 648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 651] <... prctl resumed>) = 0 [pid 648] <... mmap resumed>) = 0x7fe952cb3000 [pid 651] setpgid(0, 0 [pid 648] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 648] <... mprotect resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 651] <... setpgid resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 651] write(3, "1000", 4 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 652 [pid 648] rt_sigprocmask(SIG_BLOCK, ~[] [pid 651] <... write resumed>) = 4 [pid 651] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 648] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 651] <... close resumed>) = 0 [pid 651] write(1, "executing program\n", 18) = 18 [pid 651] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} executing program [pid 648] <... clone3 resumed> => {parent_tid=[653]}, 88) = 653 [pid 651] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 651] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 651] rt_sigprocmask(SIG_BLOCK, ~[] [pid 648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 651] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 648] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 650] write(3, "1000", 4 [pid 648] <... futex resumed>) = 0 [pid 651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 648] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 650] <... write resumed>) = 4 ci2-android-5-15/strace-static-x86_64: Process 653 attached [pid 650] close(3 [pid 651] <... clone3 resumed> => {parent_tid=[654]}, 88) = 654 [pid 650] <... close resumed>) = 0 [pid 651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 651] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 652 attached executing program [pid 650] write(1, "executing program\n", 18 [pid 652] set_robust_list(0x55555694b6a0, 24) = 0 [pid 650] <... write resumed>) = 18 [pid 652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 650] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 653] set_robust_list(0x7fe952cd39a0, 24 [pid 652] <... prctl resumed>) = 0 [pid 652] setpgid(0, 0) = 0 [pid 653] <... set_robust_list resumed>) = 0 [pid 650] <... futex resumed>) = 0 [pid 650] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 653] rt_sigprocmask(SIG_SETMASK, [] [pid 652] <... openat resumed>) = 3 [pid 650] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 652] write(3, "1000", 4) = 4 [pid 652] close(3) = 0 [pid 653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 652] write(1, "executing program\n", 18 [pid 650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 652] <... write resumed>) = 18 executing program [pid 652] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 652] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 652] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 650] <... mmap resumed>) = 0x7fe952cb3000 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 650] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 650] <... mprotect resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 652] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 652] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 655 [pid 652] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 650] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 650] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 650] <... clone3 resumed> => {parent_tid=[656]}, 88) = 656 [pid 650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 650] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 650] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 652] <... clone3 resumed> => {parent_tid=[657]}, 88) = 657 ci2-android-5-15/strace-static-x86_64: Process 656 attached ci2-android-5-15/strace-static-x86_64: Process 655 attached [pid 653] mkdirat(AT_FDCWD, "./debug", 0777ci2-android-5-15/strace-static-x86_64: Process 654 attached [pid 654] set_robust_list(0x7fe952cd39a0, 24 [pid 653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 654] <... set_robust_list resumed>) = 0 [pid 654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 654] mkdirat(AT_FDCWD, "./debug", 0777 [pid 653] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 655] set_robust_list(0x55555694b6a0, 24 [pid 654] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 654] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 651] <... futex resumed>) = 0 [pid 651] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 654] <... futex resumed>) = 1 [pid 654] mount(NULL, "./debug", "debugfs", 0, NULL [pid 653] <... futex resumed>) = 1 [pid 652] rt_sigprocmask(SIG_SETMASK, [] [pid 656] set_robust_list(0x7fe952cd39a0, 24 [pid 655] <... set_robust_list resumed>) = 0 [pid 648] <... futex resumed>) = 0 [pid 654] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 653] mount(NULL, "./debug", "debugfs", 0, NULL [pid 648] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 654] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] <... futex resumed>) = 0 [pid 648] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 653] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 653] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 651] <... futex resumed>) = 0 [pid 651] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 654] <... futex resumed>) = 1 [pid 654] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 653] <... futex resumed>) = 1 [pid 648] <... futex resumed>) = 0 [pid 648] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 653] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 648] <... futex resumed>) = 0 [pid 648] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 653] <... openat resumed>) = 3 [pid 654] <... openat resumed>) = 3 [pid 654] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 651] <... futex resumed>) = 0 [pid 651] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 656] <... set_robust_list resumed>) = 0 [pid 655] rt_sigprocmask(SIG_SETMASK, [] [pid 653] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 651] <... futex resumed>) = 0 [pid 651] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 651] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 653] <... futex resumed>) = 1 [pid 651] rt_sigprocmask(SIG_BLOCK, ~[] [pid 648] <... futex resumed>) = 0 [pid 651] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 648] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 653] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 648] <... futex resumed>) = 0 [pid 656] rt_sigprocmask(SIG_SETMASK, [] [pid 655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 653] <... write resumed>) = -1 ESRCH (No such process) [pid 652] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 651] <... clone3 resumed> => {parent_tid=[658]}, 88) = 658 [pid 648] <... futex resumed>) = 0 [pid 653] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 651] rt_sigprocmask(SIG_SETMASK, [] [pid 648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 653] <... futex resumed>) = 0 [pid 651] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] <... mmap resumed>) = 0x7fe952c92000 [pid 655] <... prctl resumed>) = 0 [pid 653] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 651] <... futex resumed>) = 0 [pid 648] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 655] setpgid(0, 0 [pid 652] <... futex resumed>) = 0 [pid 651] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] <... setpgid resumed>) = 0 [pid 648] <... mprotect resumed>) = 0 [pid 652] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 648] rt_sigprocmask(SIG_BLOCK, ~[] [pid 655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 648] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 656] mkdirat(AT_FDCWD, "./debug", 0777 [pid 648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 654] <... futex resumed>) = 1 [pid 654] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 654] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] <... clone3 resumed> => {parent_tid=[659]}, 88) = 659 [pid 655] <... openat resumed>) = 3 [pid 648] rt_sigprocmask(SIG_SETMASK, [] [pid 656] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 655] write(3, "1000", 4 [pid 648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 654] <... futex resumed>) = 0 [pid 648] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 655] <... write resumed>) = 4 [pid 656] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] <... futex resumed>) = 0 [pid 654] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 655] close(3 [pid 648] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 656] <... futex resumed>) = 1 [pid 650] <... futex resumed>) = 0 [pid 656] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 655] <... close resumed>) = 0 [pid 650] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 655] write(1, "executing program\n", 18 [pid 656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 650] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 659 attached [pid 656] mount(NULL, "./debug", "debugfs", 0, NULL [pid 655] <... write resumed>) = 18 [pid 659] set_robust_list(0x7fe952cb29a0, 24) = 0 executing program [pid 659] rt_sigprocmask(SIG_SETMASK, [] [pid 655] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 656] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 655] <... futex resumed>) = 0 [pid 659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 655] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 656] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 659] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 655] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 656] <... futex resumed>) = 1 [pid 650] <... futex resumed>) = 0 [pid 659] <... openat resumed>) = 4 [pid 656] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 650] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 659] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 650] <... futex resumed>) = 0 [pid 656] <... openat resumed>) = 3 [pid 650] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 656] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 659] <... futex resumed>) = 1 [pid 648] <... futex resumed>) = 0 [pid 656] <... futex resumed>) = 1 [pid 655] <... mmap resumed>) = 0x7fe952cb3000 [pid 650] <... futex resumed>) = 0 [pid 656] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 655] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 650] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] exit_group(0 [pid 650] <... futex resumed>) = 0 [pid 653] <... futex resumed>) = ? [pid 650] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 648] <... exit_group resumed>) = ? [pid 655] <... mprotect resumed>) = 0 [pid 653] +++ exited with 0 +++ [pid 650] <... futex resumed>) = 0 [pid 650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 656] <... write resumed>) = -1 ESRCH (No such process) [pid 655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 650] <... mmap resumed>) = 0x7fe952c92000 [pid 656] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 650] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 656] <... futex resumed>) = 0 [pid 650] <... mprotect resumed>) = 0 [pid 655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 650] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 658 attached , [], 8) = 0 [pid 656] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 655] <... clone3 resumed> => {parent_tid=[660]}, 88) = 660 ci2-android-5-15/strace-static-x86_64: Process 657 attached [pid 659] +++ exited with 0 +++ [pid 658] set_robust_list(0x7fe952cb29a0, 24 [pid 648] +++ exited with 0 +++ [pid 655] rt_sigprocmask(SIG_SETMASK, [] [pid 650] <... clone3 resumed> => {parent_tid=[661]}, 88) = 661 [pid 650] rt_sigprocmask(SIG_SETMASK, [] [pid 655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 655] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 650] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 655] <... futex resumed>) = 0 [pid 650] <... futex resumed>) = 0 [pid 658] <... set_robust_list resumed>) = 0 [pid 655] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 650] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 658] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTYci2-android-5-15/strace-static-x86_64: Process 661 attached ci2-android-5-15/strace-static-x86_64: Process 660 attached ) = 4 [pid 658] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 657] set_robust_list(0x7fe952cd39a0, 24 [pid 658] <... futex resumed>) = 1 [pid 657] <... set_robust_list resumed>) = 0 [pid 651] <... futex resumed>) = 0 [pid 661] set_robust_list(0x7fe952cb29a0, 24 [pid 660] set_robust_list(0x7fe952cd39a0, 24 [pid 658] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 657] rt_sigprocmask(SIG_SETMASK, [] [pid 651] exit_group(0 [pid 658] <... futex resumed>) = ? [pid 657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 654] <... futex resumed>) = ? [pid 651] <... exit_group resumed>) = ? [pid 661] <... set_robust_list resumed>) = 0 [pid 660] <... set_robust_list resumed>) = 0 [pid 658] +++ exited with 0 +++ [pid 657] mkdirat(AT_FDCWD, "./debug", 0777 [pid 654] +++ exited with 0 +++ [pid 651] +++ exited with 0 +++ [pid 657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 657] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 657] <... futex resumed>) = 1 [pid 652] <... futex resumed>) = 0 [pid 657] mount(NULL, "./debug", "debugfs", 0, NULL [pid 652] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 661] rt_sigprocmask(SIG_SETMASK, [] [pid 660] rt_sigprocmask(SIG_SETMASK, [] [pid 657] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 652] <... futex resumed>) = 0 [pid 657] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 652] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 657] <... futex resumed>) = 0 [pid 652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 657] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 652] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 657] <... openat resumed>) = 3 [pid 652] <... futex resumed>) = 0 [pid 657] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 652] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 657] <... futex resumed>) = 0 [pid 652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 657] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 652] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 657] <... write resumed>) = -1 ESRCH (No such process) [pid 652] <... futex resumed>) = 0 [pid 661] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 657] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 652] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 661] <... openat resumed>) = 4 [pid 657] <... futex resumed>) = 0 [pid 652] <... futex resumed>) = 0 [pid 661] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 657] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 661] <... futex resumed>) = 1 [pid 652] <... mmap resumed>) = 0x7fe952c92000 [pid 650] <... futex resumed>) = 0 [pid 660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 661] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 652] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 650] exit_group(0 [pid 660] mkdirat(AT_FDCWD, "./debug", 0777 [pid 652] rt_sigprocmask(SIG_BLOCK, ~[] [pid 661] <... futex resumed>) = ? [pid 656] <... futex resumed>) = ? [pid 652] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 650] <... exit_group resumed>) = ? [pid 661] +++ exited with 0 +++ [pid 660] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 656] +++ exited with 0 +++ [pid 652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[662]}, 88) = 662 [pid 652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 652] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 652] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 662 attached [pid 650] +++ exited with 0 +++ [pid 662] set_robust_list(0x7fe952cb29a0, 24 [pid 307] <... restart_syscall resumed>) = 0 [pid 660] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 662] <... set_robust_list resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 655] <... futex resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 660] <... futex resumed>) = 1 [pid 655] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 660] mount(NULL, "./debug", "debugfs", 0, NULL [pid 655] <... futex resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 655] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 662] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 663 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 660] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 660] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 655] <... futex resumed>) = 0 [pid 660] <... futex resumed>) = 1 [pid 655] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 660] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 655] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 662] <... openat resumed>) = 4 [pid 660] <... openat resumed>) = 3 [pid 662] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 652] <... futex resumed>) = 0 [pid 652] exit_group(0 [pid 660] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 657] <... futex resumed>) = ? [pid 652] <... exit_group resumed>) = ? [pid 660] <... futex resumed>) = 1 [pid 657] +++ exited with 0 +++ [pid 655] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 660] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 655] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 655] <... futex resumed>) = 0 [pid 660] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 655] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 660] <... write resumed>) = -1 ESRCH (No such process) [pid 655] <... futex resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 660] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 660] <... futex resumed>) = 0 [pid 655] <... mmap resumed>) = 0x7fe952c92000 [pid 662] <... futex resumed>) = ? [pid 655] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 660] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 664 [pid 655] <... mprotect resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 662] +++ exited with 0 +++ [pid 652] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 663 attached [pid 663] set_robust_list(0x55555694b6a0, 24 [pid 655] <... clone3 resumed> => {parent_tid=[665]}, 88) = 665 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 655] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 663] <... set_robust_list resumed>) = 0 [pid 655] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 655] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 664 attached [pid 663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 664] set_robust_list(0x55555694b6a0, 24ci2-android-5-15/strace-static-x86_64: Process 665 attached [pid 665] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 665] rt_sigprocmask(SIG_SETMASK, [] [pid 663] <... prctl resumed>) = 0 [pid 665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 665] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 664] <... set_robust_list resumed>) = 0 [pid 663] setpgid(0, 0 [pid 664] rt_sigprocmask(SIG_SETMASK, [] [pid 663] <... setpgid resumed>) = 0 [pid 665] <... openat resumed>) = 4 [pid 665] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 655] <... futex resumed>) = 0 [pid 664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 655] exit_group(0 [pid 663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... restart_syscall resumed>) = 0 [pid 660] <... futex resumed>) = ? [pid 655] <... exit_group resumed>) = ? [pid 660] +++ exited with 0 +++ [pid 665] <... futex resumed>) = ? [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 666 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 663] <... openat resumed>) = 3 [pid 665] +++ exited with 0 +++ [pid 655] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 664] <... prctl resumed>) = 0 [pid 663] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 666 attached [pid 664] setpgid(0, 0 [pid 663] <... write resumed>) = 4 [pid 666] set_robust_list(0x55555694b6a0, 24) = 0 [pid 666] rt_sigprocmask(SIG_SETMASK, [] [pid 664] <... setpgid resumed>) = 0 [pid 663] close(3 [pid 666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 663] <... close resumed>) = 0 [pid 666] <... prctl resumed>) = 0 [pid 666] setpgid(0, 0) = 0 [pid 666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 666] write(3, "1000", 4) = 4 [pid 666] close(3) = 0 [pid 664] <... openat resumed>) = 3 [pid 663] write(1, "executing program\n", 18 [pid 666] write(1, "executing program\n", 18) = 18 executing program [pid 666] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 666] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 663] <... write resumed>) = 18 executing program [pid 664] write(3, "1000", 4 [pid 666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 664] <... write resumed>) = 4 [pid 663] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 664] close(3 [pid 663] <... futex resumed>) = 0 [pid 666] <... clone3 resumed> => {parent_tid=[667]}, 88) = 667 [pid 664] <... close resumed>) = 0 [pid 663] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 666] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 664] write(1, "executing program\n", 18 [pid 663] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 667 attached [pid 667] set_robust_list(0x7fe952cd39a0, 24 executing program [pid 664] <... write resumed>) = 18 [pid 663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 667] <... set_robust_list resumed>) = 0 [pid 667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 667] mkdirat(AT_FDCWD, "./debug", 0777 [pid 664] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 667] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 667] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 666] <... futex resumed>) = 0 [pid 666] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] <... futex resumed>) = 1 [pid 664] <... futex resumed>) = 0 [pid 663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 664] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 663] <... mmap resumed>) = 0x7fe952cb3000 [pid 667] mount(NULL, "./debug", "debugfs", 0, NULL [pid 663] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 663] <... mprotect resumed>) = 0 [pid 664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 664] <... mmap resumed>) = 0x7fe952cb3000 [pid 663] rt_sigprocmask(SIG_BLOCK, ~[] [pid 667] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 663] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 664] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 668 [pid 664] <... mprotect resumed>) = 0 [pid 667] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 666] <... futex resumed>) = 0 [pid 666] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 663] <... clone3 resumed> => {parent_tid=[669]}, 88) = 669 [pid 664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 663] rt_sigprocmask(SIG_SETMASK, [] [pid 666] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] <... futex resumed>) = 1 [pid 663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 667] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 664] <... clone3 resumed> => {parent_tid=[670]}, 88) = 670 [pid 663] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 664] rt_sigprocmask(SIG_SETMASK, [] [pid 663] <... futex resumed>) = 0 [pid 664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 663] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 664] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 664] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] <... openat resumed>) = 3 [pid 667] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 666] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 670 attached [pid 666] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 666] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[671]}, 88) = 671 ci2-android-5-15/strace-static-x86_64: Process 669 attached [pid 670] set_robust_list(0x7fe952cd39a0, 24 [pid 666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 666] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 666] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 667] <... futex resumed>) = 1 [pid 667] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 667] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 667] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 668 attached [pid 668] set_robust_list(0x55555694b6a0, 24) = 0 [pid 670] <... set_robust_list resumed>) = 0 [pid 669] set_robust_list(0x7fe952cd39a0, 24ci2-android-5-15/strace-static-x86_64: Process 671 attached [pid 671] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 670] rt_sigprocmask(SIG_SETMASK, [] [pid 669] <... set_robust_list resumed>) = 0 [pid 668] rt_sigprocmask(SIG_SETMASK, [] [pid 671] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 669] rt_sigprocmask(SIG_SETMASK, [] [pid 668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 670] mkdirat(AT_FDCWD, "./debug", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 670] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 672 ci2-android-5-15/strace-static-x86_64: Process 672 attached [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 670] <... futex resumed>) = 1 [pid 664] <... futex resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 670] mount(NULL, "./debug", "debugfs", 0, NULL [pid 664] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 664] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 672] set_robust_list(0x55555694b6a0, 24 [pid 670] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 672] <... set_robust_list resumed>) = 0 [pid 672] rt_sigprocmask(SIG_SETMASK, [] [pid 670] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 670] <... futex resumed>) = 1 [pid 669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 664] <... futex resumed>) = 0 [pid 672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 670] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 664] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 670] <... openat resumed>) = 3 [pid 664] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 672] <... prctl resumed>) = 0 [pid 670] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] setpgid(0, 0) = 0 [pid 672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 670] <... futex resumed>) = 1 [pid 664] <... futex resumed>) = 0 [pid 669] mkdirat(AT_FDCWD, "./debug", 0777 [pid 670] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 664] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 670] <... write resumed>) = -1 ESRCH (No such process) [pid 664] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 670] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 670] <... futex resumed>) = 0 [pid 664] <... mmap resumed>) = 0x7fe952c92000 [pid 664] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 670] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 664] <... mprotect resumed>) = 0 [pid 669] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 669] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 668] <... prctl resumed>) = 0 [pid 664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 672] <... openat resumed>) = 3 [pid 672] write(3, "1000", 4 [pid 663] <... futex resumed>) = 0 [pid 664] <... clone3 resumed> => {parent_tid=[673]}, 88) = 673 [pid 671] <... openat resumed>) = 4 [pid 669] <... futex resumed>) = 1 [pid 668] setpgid(0, 0 [pid 663] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 664] rt_sigprocmask(SIG_SETMASK, [] [pid 663] <... futex resumed>) = 0 [pid 671] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 669] mount(NULL, "./debug", "debugfs", 0, NULL [pid 668] <... setpgid resumed>) = 0 [pid 664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 663] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 664] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] <... write resumed>) = 4 [pid 664] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 673 attached [pid 671] <... futex resumed>) = 1 [pid 669] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 666] <... futex resumed>) = 0 [pid 664] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 668] <... openat resumed>) = 3 [pid 666] exit_group(0 [pid 669] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 671] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 663] <... futex resumed>) = 0 [pid 669] <... futex resumed>) = 1 [pid 668] write(3, "1000", 4 [pid 663] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 671] <... futex resumed>) = ? [pid 669] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 668] <... write resumed>) = 4 [pid 667] <... futex resumed>) = ? [pid 666] <... exit_group resumed>) = ? [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 671] +++ exited with 0 +++ [pid 673] set_robust_list(0x7fe952cb29a0, 24 [pid 672] close(3 [pid 669] <... openat resumed>) = 3 [pid 668] close(3 [pid 667] +++ exited with 0 +++ [pid 672] <... close resumed>) = 0 [pid 672] write(1, "executing program\n", 18) = 18 [pid 672] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 666] +++ exited with 0 +++ executing program [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 672] <... futex resumed>) = 0 [pid 672] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 672] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 672] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 673] <... set_robust_list resumed>) = 0 [pid 672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0}ci2-android-5-15/strace-static-x86_64: Process 674 attached [pid 673] rt_sigprocmask(SIG_SETMASK, [] [pid 669] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] <... clone3 resumed> => {parent_tid=[674]}, 88) = 674 [pid 672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 672] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 672] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 668] <... close resumed>) = 0 executing program [pid 668] write(1, "executing program\n", 18) = 18 [pid 668] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 668] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 673] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 668] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 668] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 668] rt_sigprocmask(SIG_BLOCK, ~[] [pid 673] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 669] <... futex resumed>) = 1 [pid 663] <... futex resumed>) = 0 [pid 663] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 663] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 663] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 663] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[675]}, 88) = 675 [pid 663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 663] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 663] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 673] <... openat resumed>) = 4 [pid 668] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 673] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 669] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 668] <... clone3 resumed> => {parent_tid=[676]}, 88) = 676 [pid 673] <... futex resumed>) = 1 [pid 664] <... futex resumed>) = 0 [pid 664] exit_group(0) = ? [pid 669] <... write resumed>) = -1 ESRCH (No such process) [pid 674] set_robust_list(0x7fe952cd39a0, 24 [pid 673] +++ exited with 0 +++ [pid 670] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 676 attached ci2-android-5-15/strace-static-x86_64: Process 675 attached [pid 674] <... set_robust_list resumed>) = 0 [pid 669] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 668] rt_sigprocmask(SIG_SETMASK, [] [pid 676] set_robust_list(0x7fe952cd39a0, 24 [pid 675] set_robust_list(0x7fe952cb29a0, 24 [pid 674] rt_sigprocmask(SIG_SETMASK, [] [pid 670] +++ exited with 0 +++ [pid 664] +++ exited with 0 +++ [pid 674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 674] mkdirat(AT_FDCWD, "./debug", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 674] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 674] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 672] <... futex resumed>) = 0 [pid 672] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 674] <... futex resumed>) = 0 [pid 674] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 674] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 674] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 672] <... futex resumed>) = 1 [pid 672] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 672] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 674] <... futex resumed>) = 0 [pid 674] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 674] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 672] <... futex resumed>) = 1 [pid 674] <... futex resumed>) = 0 [pid 674] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 672] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 672] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 674] <... futex resumed>) = 0 [pid 672] <... futex resumed>) = 1 [pid 674] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 672] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 674] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 672] <... futex resumed>) = 0 [pid 674] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 672] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 672] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 675] <... set_robust_list resumed>) = 0 [pid 672] <... clone3 resumed> => {parent_tid=[677]}, 88) = 677 [pid 669] <... futex resumed>) = 0 [pid 668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 676] <... set_robust_list resumed>) = 0 [pid 672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 672] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 672] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 677 attached [pid 675] rt_sigprocmask(SIG_SETMASK, [] [pid 677] set_robust_list(0x7fe952cb29a0, 24 [pid 669] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 676] rt_sigprocmask(SIG_SETMASK, [] [pid 668] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 677] <... set_robust_list resumed>) = 0 [pid 677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 677] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 675] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 668] <... futex resumed>) = 0 [pid 677] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 672] <... futex resumed>) = 0 [pid 672] exit_group(0 [pid 674] <... futex resumed>) = ? [pid 672] <... exit_group resumed>) = ? [pid 674] +++ exited with 0 +++ [pid 675] <... openat resumed>) = 4 [pid 676] mkdirat(AT_FDCWD, "./debug", 0777 [pid 675] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 668] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 677] +++ exited with 0 +++ [pid 676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 675] <... futex resumed>) = 1 [pid 672] +++ exited with 0 +++ [pid 663] <... futex resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 676] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 675] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 663] exit_group(0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... restart_syscall resumed>) = 0 [pid 676] <... futex resumed>) = 1 [pid 668] <... futex resumed>) = 0 [pid 676] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 668] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 668] <... futex resumed>) = 0 [pid 676] mount(NULL, "./debug", "debugfs", 0, NULL [pid 668] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 676] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 675] <... futex resumed>) = ? [pid 669] <... futex resumed>) = ? [pid 663] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 676] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 675] +++ exited with 0 +++ [pid 669] +++ exited with 0 +++ [pid 676] <... futex resumed>) = 1 [pid 668] <... futex resumed>) = 0 [pid 676] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 668] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 668] <... futex resumed>) = 0 [pid 676] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 668] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 676] <... openat resumed>) = 3 [pid 676] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 663] +++ exited with 0 +++ [pid 676] <... futex resumed>) = 1 [pid 668] <... futex resumed>) = 0 [pid 676] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 668] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 668] <... futex resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 676] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 668] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 676] <... write resumed>) = -1 ESRCH (No such process) [pid 668] <... futex resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 676] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 676] <... futex resumed>) = 0 [pid 668] <... mmap resumed>) = 0x7fe952c92000 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 678 attached [pid 676] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 668] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 678] set_robust_list(0x55555694b6a0, 24 [pid 668] <... mprotect resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 678 ci2-android-5-15/strace-static-x86_64: Process 680 attached ci2-android-5-15/strace-static-x86_64: Process 679 attached [pid 678] <... set_robust_list resumed>) = 0 [pid 668] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 680] set_robust_list(0x55555694b6a0, 24 [pid 679] set_robust_list(0x55555694b6a0, 24 [pid 678] rt_sigprocmask(SIG_SETMASK, [] [pid 668] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 680 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 679 [pid 680] <... set_robust_list resumed>) = 0 [pid 679] <... set_robust_list resumed>) = 0 [pid 678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 680] rt_sigprocmask(SIG_SETMASK, [] [pid 679] rt_sigprocmask(SIG_SETMASK, [] [pid 678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 678] <... prctl resumed>) = 0 [pid 668] <... clone3 resumed> => {parent_tid=[681]}, 88) = 681 ci2-android-5-15/strace-static-x86_64: Process 681 attached [pid 680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 678] setpgid(0, 0 [pid 680] <... prctl resumed>) = 0 [pid 679] <... prctl resumed>) = 0 [pid 678] <... setpgid resumed>) = 0 [pid 680] setpgid(0, 0 [pid 679] setpgid(0, 0 [pid 678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 681] set_robust_list(0x7fe952cb29a0, 24 [pid 680] <... setpgid resumed>) = 0 [pid 679] <... setpgid resumed>) = 0 [pid 678] <... openat resumed>) = 3 [pid 668] rt_sigprocmask(SIG_SETMASK, [] [pid 681] <... set_robust_list resumed>) = 0 [pid 680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 678] write(3, "1000", 4 [pid 681] rt_sigprocmask(SIG_SETMASK, [] [pid 680] <... openat resumed>) = 3 [pid 679] <... openat resumed>) = 3 [pid 668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 680] write(3, "1000", 4 [pid 679] write(3, "1000", 4 [pid 680] <... write resumed>) = 4 [pid 679] <... write resumed>) = 4 [pid 680] close(3 [pid 679] close(3 [pid 680] <... close resumed>) = 0 [pid 679] <... close resumed>) = 0 executing program executing program [pid 680] write(1, "executing program\n", 18 [pid 679] write(1, "executing program\n", 18 [pid 680] <... write resumed>) = 18 [pid 679] <... write resumed>) = 18 [pid 680] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 679] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 680] <... futex resumed>) = 0 [pid 679] <... futex resumed>) = 0 [pid 680] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 679] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 680] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 679] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 680] <... mmap resumed>) = 0x7fe952cb3000 [pid 679] <... mmap resumed>) = 0x7fe952cb3000 [pid 680] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 679] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 680] <... mprotect resumed>) = 0 [pid 679] <... mprotect resumed>) = 0 [pid 681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 680] rt_sigprocmask(SIG_BLOCK, ~[] [pid 679] rt_sigprocmask(SIG_BLOCK, ~[] [pid 678] <... write resumed>) = 4 [pid 668] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 680] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 679] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0}ci2-android-5-15/strace-static-x86_64: Process 683 attached [pid 681] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 678] close(3 [pid 668] <... futex resumed>) = 0 [pid 680] <... clone3 resumed> => {parent_tid=[683]}, 88) = 683 [pid 679] <... clone3 resumed> => {parent_tid=[682]}, 88) = 682 [pid 680] rt_sigprocmask(SIG_SETMASK, [] [pid 679] rt_sigprocmask(SIG_SETMASK, [] [pid 680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 680] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 679] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 680] <... futex resumed>) = 0 [pid 679] <... futex resumed>) = 0 [pid 680] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 679] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 682 attached [pid 682] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 682] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 682] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 679] <... futex resumed>) = 0 [pid 679] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 679] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] <... futex resumed>) = 1 [pid 682] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 678] <... close resumed>) = 0 [pid 668] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 679] <... futex resumed>) = 0 [pid 679] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 678] write(1, "executing program\n", 18 [pid 679] <... futex resumed>) = 0 [pid 679] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] <... futex resumed>) = 1 [pid 682] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 682] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 679] <... futex resumed>) = 0 [pid 679] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 679] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 679] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 679] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[684]}, 88) = 684 [pid 678] <... write resumed>) = 18 [pid 679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 679] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 679] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 682] <... futex resumed>) = 1 [pid 682] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 678] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 682] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 682] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 684 attached [pid 684] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 684] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 678] <... futex resumed>) = 0 [pid 678] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 678] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 684] <... openat resumed>) = 4 [pid 678] <... mprotect resumed>) = 0 [pid 684] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 679] <... futex resumed>) = 0 [pid 679] exit_group(0 [pid 678] rt_sigprocmask(SIG_BLOCK, ~[] [pid 679] <... exit_group resumed>) = ? [pid 678] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 678] <... clone3 resumed> => {parent_tid=[685]}, 88) = 685 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 678] rt_sigprocmask(SIG_SETMASK, [] [pid 681] <... openat resumed>) = 4 [pid 678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 686 [pid 678] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 682] <... futex resumed>) = ? [pid 678] <... futex resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 682] +++ exited with 0 +++ [pid 678] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 684] <... futex resumed>) = ? [pid 681] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 683] set_robust_list(0x7fe952cd39a0, 24 [pid 681] <... futex resumed>) = 1 [pid 668] <... futex resumed>) = 0 [pid 683] <... set_robust_list resumed>) = 0 [pid 668] exit_group(0 [pid 681] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 ENOSYS (Function not implemented) [pid 676] <... futex resumed>) = ? [pid 668] <... exit_group resumed>) = ? [pid 676] +++ exited with 0 +++ [pid 684] +++ exited with 0 +++ [pid 679] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 686 attached [pid 686] set_robust_list(0x55555694b6a0, 24) = 0 [pid 686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 681] +++ exited with 0 +++ [pid 668] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 686] <... prctl resumed>) = 0 [pid 686] setpgid(0, 0) = 0 [pid 686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 683] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 686] <... openat resumed>) = 3 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 686] write(3, "1000", 4 [pid 683] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 687 attached [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 687 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 685 attached [pid 685] set_robust_list(0x7fe952cd39a0, 24 [pid 683] mkdirat(AT_FDCWD, "./debug", 0777 [pid 685] <... set_robust_list resumed>) = 0 [pid 685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 685] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 685] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 683] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 678] <... futex resumed>) = 0 [pid 678] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] <... futex resumed>) = 1 [pid 685] mount(NULL, "./debug", "debugfs", 0, NULL [pid 686] <... write resumed>) = 4 [pid 683] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 685] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 683] <... futex resumed>) = 1 [pid 680] <... futex resumed>) = 0 [pid 680] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 680] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 678] <... futex resumed>) = 0 [pid 678] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] <... futex resumed>) = 1 [pid 685] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 685] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 678] <... futex resumed>) = 0 [pid 678] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 678] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 678] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 688 attached [pid 687] set_robust_list(0x55555694b6a0, 24 [pid 686] close(3 [pid 683] mount(NULL, "./debug", "debugfs", 0, NULL [pid 678] <... clone3 resumed> => {parent_tid=[688]}, 88) = 688 [pid 678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 678] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 678] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] <... futex resumed>) = 1 [pid 685] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 685] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 685] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 688] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 688] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 688] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 686] <... close resumed>) = 0 [pid 683] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 686] write(1, "executing program\n", 18 [pid 688] <... openat resumed>) = 4 [pid 686] <... write resumed>) = 18 executing program [pid 683] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 688] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 678] <... futex resumed>) = 0 [pid 678] exit_group(0) = ? [pid 685] <... futex resumed>) = ? [pid 686] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 683] <... futex resumed>) = 1 [pid 680] <... futex resumed>) = 0 [pid 680] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 680] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 685] +++ exited with 0 +++ [pid 688] <... futex resumed>) = ? [pid 686] <... futex resumed>) = 0 [pid 683] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 687] <... set_robust_list resumed>) = 0 [pid 686] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 683] <... openat resumed>) = 3 [pid 686] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 683] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 683] <... futex resumed>) = 1 [pid 680] <... futex resumed>) = 0 [pid 680] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 680] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 680] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 680] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[689]}, 88) = 689 [pid 680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 680] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 680] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 687] rt_sigprocmask(SIG_SETMASK, [] [pid 686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 683] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 688] +++ exited with 0 +++ [pid 678] +++ exited with 0 +++ [pid 686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 683] <... write resumed>) = -1 ESRCH (No such process) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 686] <... mmap resumed>) = 0x7fe952cb3000 [pid 683] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 686] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 683] <... futex resumed>) = 0 [pid 686] <... mprotect resumed>) = 0 [pid 683] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 689 attached [pid 689] set_robust_list(0x7fe952cb29a0, 24 [pid 686] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[690]}, 88) = 690 [pid 686] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 686] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 687] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 686] <... futex resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 691 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 686] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 689] <... set_robust_list resumed>) = 0 [pid 689] rt_sigprocmask(SIG_SETMASK, [] [pid 687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 689] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTYci2-android-5-15/strace-static-x86_64: Process 691 attached [pid 687] <... prctl resumed>) = 0 [pid 687] setpgid(0, 0 [pid 689] <... openat resumed>) = 4 [pid 687] <... setpgid resumed>) = 0 [pid 689] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 680] <... futex resumed>) = 0 [pid 680] exit_group(0 [pid 687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 683] <... futex resumed>) = ? [pid 680] <... exit_group resumed>) = ? [pid 683] +++ exited with 0 +++ [pid 687] <... openat resumed>) = 3 [pid 689] <... futex resumed>) = ? [pid 687] write(3, "1000", 4 [pid 691] set_robust_list(0x55555694b6a0, 24 [pid 306] <... restart_syscall resumed>) = 0 [pid 687] <... write resumed>) = 4 [pid 687] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 691] <... set_robust_list resumed>) = 0 [pid 687] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 691] rt_sigprocmask(SIG_SETMASK, [] [pid 687] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 692 attached [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 692 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 687] <... write resumed>) = 18 executing program [pid 687] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 692] set_robust_list(0x55555694b6a0, 24 [pid 687] <... futex resumed>) = 0 [pid 689] +++ exited with 0 +++ [pid 680] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 690 attached [pid 690] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 690] rt_sigprocmask(SIG_SETMASK, [] [pid 687] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 690] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 690] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 686] <... futex resumed>) = 0 [pid 686] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 686] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 690] <... futex resumed>) = 1 [pid 690] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 690] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 686] <... futex resumed>) = 0 [pid 686] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 686] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 690] <... futex resumed>) = 1 [pid 690] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 690] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 686] <... futex resumed>) = 0 [pid 687] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 686] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 686] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 686] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 686] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[693]}, 88) = 693 [pid 686] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 686] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 686] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 690] <... futex resumed>) = 1 [pid 690] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 690] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 690] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 693 attached [pid 693] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 693] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 692] <... set_robust_list resumed>) = 0 [pid 691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 693] <... openat resumed>) = 4 [pid 687] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 693] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 686] <... futex resumed>) = 0 [pid 687] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 686] exit_group(0) = ? [pid 690] <... futex resumed>) = ? [pid 687] rt_sigprocmask(SIG_BLOCK, ~[] [pid 690] +++ exited with 0 +++ [pid 687] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 691] <... prctl resumed>) = 0 [pid 687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 693] <... futex resumed>) = ? [pid 687] <... clone3 resumed> => {parent_tid=[694]}, 88) = 694 [pid 687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 687] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 687] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 693] +++ exited with 0 +++ [pid 686] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 694 attached [pid 691] setpgid(0, 0 [pid 694] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 694] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 694] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 687] <... futex resumed>) = 0 [pid 687] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 687] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 694] <... futex resumed>) = 1 [pid 694] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 694] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 687] <... futex resumed>) = 0 [pid 687] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 687] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 694] <... futex resumed>) = 1 [pid 694] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 694] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 687] <... futex resumed>) = 0 [pid 687] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 687] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 687] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 691] <... setpgid resumed>) = 0 [pid 687] rt_sigprocmask(SIG_BLOCK, ~[] [pid 691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 687] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[695]}, 88) = 695 [pid 687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 687] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 687] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 694] <... futex resumed>) = 1 [pid 694] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 694] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 694] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 307] <... restart_syscall resumed>) = 0 [pid 691] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 692] rt_sigprocmask(SIG_SETMASK, [] [pid 691] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 696 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 695 attached [pid 695] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 695] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 691] <... write resumed>) = 4 [pid 695] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 691] close(3) = 0 [pid 687] <... futex resumed>) = 0 [pid 692] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 691] write(1, "executing program\n", 18) = 18 [pid 687] exit_group(0 [pid 692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 691] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 687] <... exit_group resumed>) = ? [pid 692] <... prctl resumed>) = 0 [pid 691] <... futex resumed>) = 0 [pid 692] setpgid(0, 0 [pid 691] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 692] <... setpgid resumed>) = 0 [pid 691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 694] <... futex resumed>) = ? [pid 691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 694] +++ exited with 0 +++ [pid 691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 691] <... mmap resumed>) = 0x7fe952cb3000 [pid 691] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 691] rt_sigprocmask(SIG_BLOCK, ~[] [pid 695] <... futex resumed>) = ? [pid 691] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 692] <... openat resumed>) = 3 [pid 691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 692] write(3, "1000", 4 [pid 691] <... clone3 resumed> => {parent_tid=[697]}, 88) = 697 [pid 691] rt_sigprocmask(SIG_SETMASK, [] [pid 692] <... write resumed>) = 4 [pid 691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 692] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 692] <... close resumed>) = 0 [pid 691] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 691] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 692] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 692] <... write resumed>) = 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 698 [pid 692] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 692] <... futex resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 692] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 695] +++ exited with 0 +++ [pid 687] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-5-15/strace-static-x86_64: Process 696 attached , NULL, 8) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 696] set_robust_list(0x55555694b6a0, 24ci2-android-5-15/strace-static-x86_64: Process 697 attached [pid 697] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 697] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 697] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 691] <... futex resumed>) = 0 [pid 692] <... mmap resumed>) = 0x7fe952cb3000 [pid 691] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 697] mount(NULL, "./debug", "debugfs", 0, NULL [pid 692] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 691] <... futex resumed>) = 0 [pid 691] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 692] <... mprotect resumed>) = 0 [pid 697] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 697] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 691] <... futex resumed>) = 0 [pid 697] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 691] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 692] rt_sigprocmask(SIG_BLOCK, ~[] [pid 691] <... futex resumed>) = 0 [pid 692] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 691] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 697] <... openat resumed>) = 3 [pid 697] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 691] <... futex resumed>) = 0 [pid 697] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 691] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 697] <... write resumed>) = -1 ESRCH (No such process) [pid 691] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 699 attached ci2-android-5-15/strace-static-x86_64: Process 698 attached [pid 696] <... set_robust_list resumed>) = 0 [pid 691] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 692] <... clone3 resumed> => {parent_tid=[699]}, 88) = 699 [pid 691] <... mmap resumed>) = 0x7fe952c92000 [pid 691] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 692] rt_sigprocmask(SIG_SETMASK, [] [pid 691] <... mprotect resumed>) = 0 [pid 692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 691] rt_sigprocmask(SIG_BLOCK, ~[] [pid 692] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 691] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 692] <... futex resumed>) = 0 [pid 691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 692] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 691] <... clone3 resumed> => {parent_tid=[700]}, 88) = 700 [pid 699] set_robust_list(0x7fe952cd39a0, 24 [pid 697] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 691] rt_sigprocmask(SIG_SETMASK, [] [pid 698] set_robust_list(0x55555694b6a0, 24 [pid 697] <... futex resumed>) = 0 [pid 691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 698] <... set_robust_list resumed>) = 0 [pid 697] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 691] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 701 [pid 698] rt_sigprocmask(SIG_SETMASK, [] [pid 691] <... futex resumed>) = 0 [pid 698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 691] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 698] <... prctl resumed>) = 0 [pid 698] setpgid(0, 0) = 0 [pid 698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 698] <... openat resumed>) = 3 [pid 698] write(3, "1000", 4 [pid 696] <... prctl resumed>) = 0 [pid 698] <... write resumed>) = 4 [pid 698] close(3 [pid 696] setpgid(0, 0 [pid 698] <... close resumed>) = 0 executing program [pid 698] write(1, "executing program\n", 18 [pid 696] <... setpgid resumed>) = 0 [pid 698] <... write resumed>) = 18 [pid 698] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 698] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 699] <... set_robust_list resumed>) = 0 [pid 698] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 699] rt_sigprocmask(SIG_SETMASK, [] [pid 698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 696] <... openat resumed>) = 3 [pid 698] <... mmap resumed>) = 0x7fe952cb3000 [pid 699] mkdirat(AT_FDCWD, "./debug", 0777 [pid 698] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 696] write(3, "1000", 4 [pid 699] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 698] rt_sigprocmask(SIG_BLOCK, ~[] [pid 699] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 696] <... write resumed>) = 4 [pid 698] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 696] close(3 [pid 699] <... futex resumed>) = 1 [pid 692] <... futex resumed>) = 0 [pid 696] <... close resumed>) = 0 [pid 696] write(1, "executing program\n", 18 [pid 692] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 699] mount(NULL, "./debug", "debugfs", 0, NULL [pid 698] <... clone3 resumed> => {parent_tid=[702]}, 88) = 702 [pid 692] <... futex resumed>) = 0 [pid 698] rt_sigprocmask(SIG_SETMASK, [] [pid 692] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 696] <... write resumed>) = 18 [pid 698] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 696] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 698] <... futex resumed>) = 0 [pid 699] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 698] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 696] <... futex resumed>) = 0 executing program [pid 699] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 696] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 696] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 696] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[703]}, 88) = 703 [pid 696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 696] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 701 attached [pid 701] set_robust_list(0x55555694b6a0, 24) = 0 [pid 701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 701] setpgid(0, 0) = 0 [pid 701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-5-15/strace-static-x86_64: Process 702 attached [pid 699] <... futex resumed>) = 1 [pid 692] <... futex resumed>) = 0 [pid 692] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 699] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 692] <... futex resumed>) = 0 [pid 692] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 699] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 703 attached ci2-android-5-15/strace-static-x86_64: Process 700 attached [pid 702] set_robust_list(0x7fe952cd39a0, 24 [pid 701] write(3, "1000", 4 [pid 699] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 692] <... futex resumed>) = 0 [pid 699] <... futex resumed>) = 1 [pid 692] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 699] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 692] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 699] <... write resumed>) = -1 ESRCH (No such process) [pid 692] <... futex resumed>) = 0 [pid 699] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 699] <... futex resumed>) = 0 [pid 692] <... mmap resumed>) = 0x7fe952c92000 [pid 699] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 692] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 702] <... set_robust_list resumed>) = 0 [pid 692] <... mprotect resumed>) = 0 [pid 702] rt_sigprocmask(SIG_SETMASK, [] [pid 692] rt_sigprocmask(SIG_BLOCK, ~[] [pid 702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 692] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 702] mkdirat(AT_FDCWD, "./debug", 0777 [pid 701] <... write resumed>) = 4 [pid 702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 701] close(3) = 0 [pid 702] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 692] <... clone3 resumed> => {parent_tid=[704]}, 88) = 704 [pid 692] rt_sigprocmask(SIG_SETMASK, [] [pid 698] <... futex resumed>) = 0 [pid 692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 698] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 692] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 698] <... futex resumed>) = 0 [pid 702] <... futex resumed>) = 1 [pid 692] <... futex resumed>) = 0 [pid 698] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 692] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 701] write(1, "executing program\n", 18 [pid 702] mount(NULL, "./debug", "debugfs", 0, NULL [pid 701] <... write resumed>) = 18 executing program [pid 701] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 701] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 702] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 701] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 703] set_robust_list(0x7fe952cd39a0, 24 [pid 702] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 701] <... mprotect resumed>) = 0 [pid 702] <... futex resumed>) = 1 [pid 698] <... futex resumed>) = 0 [pid 698] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 703] <... set_robust_list resumed>) = 0 [pid 702] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 698] <... futex resumed>) = 0 [pid 698] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] rt_sigprocmask(SIG_SETMASK, [] [pid 702] <... openat resumed>) = 3 [pid 701] rt_sigprocmask(SIG_BLOCK, ~[] [pid 703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 703] mkdirat(AT_FDCWD, "./debug", 0777ci2-android-5-15/strace-static-x86_64: Process 704 attached [pid 702] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 698] <... futex resumed>) = 0 [pid 698] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 698] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 698] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 698] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[705]}, 88) = 705 [pid 698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 698] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 698] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 701] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 702] <... futex resumed>) = 1 [pid 703] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 702] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 704] set_robust_list(0x7fe952cb29a0, 24 [pid 702] <... write resumed>) = -1 ESRCH (No such process) [pid 703] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 696] <... futex resumed>) = 0 [pid 696] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 702] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 703] <... futex resumed>) = 1 [pid 702] <... futex resumed>) = 0 [pid 703] mount(NULL, "./debug", "debugfs", 0, NULL [pid 702] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 703] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 701] <... clone3 resumed> => {parent_tid=[706]}, 88) = 706 [pid 701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 701] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 703] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 701] <... futex resumed>) = 0 [pid 696] <... futex resumed>) = 0 [pid 696] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 701] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] <... futex resumed>) = 1 [pid 703] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 703] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 696] <... futex resumed>) = 0 [pid 696] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 696] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 696] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[707]}, 88) = 707 [pid 696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 696] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 696] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 703] <... futex resumed>) = 1 [pid 703] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 703] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 703] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 705 attached [pid 705] set_robust_list(0x7fe952cb29a0, 24ci2-android-5-15/strace-static-x86_64: Process 706 attached [pid 706] set_robust_list(0x7fe952cd39a0, 24 [pid 705] <... set_robust_list resumed>) = 0 [pid 705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 706] <... set_robust_list resumed>) = 0 [pid 705] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 706] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 707 attached , NULL, 8) = 0 [pid 704] <... set_robust_list resumed>) = 0 [pid 700] set_robust_list(0x7fe952cb29a0, 24 [pid 705] <... openat resumed>) = 4 [pid 704] rt_sigprocmask(SIG_SETMASK, [] [pid 700] <... set_robust_list resumed>) = 0 [pid 704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 700] rt_sigprocmask(SIG_SETMASK, [] [pid 704] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 707] set_robust_list(0x7fe952cb29a0, 24 [pid 706] mkdirat(AT_FDCWD, "./debug", 0777 [pid 705] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 700] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 704] <... openat resumed>) = 4 [pid 698] <... futex resumed>) = 0 [pid 698] exit_group(0 [pid 702] <... futex resumed>) = ? [pid 698] <... exit_group resumed>) = ? [pid 702] +++ exited with 0 +++ [pid 705] <... futex resumed>) = ? [pid 707] <... set_robust_list resumed>) = 0 [pid 706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 707] rt_sigprocmask(SIG_SETMASK, [] [pid 704] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 700] <... openat resumed>) = 4 [pid 705] +++ exited with 0 +++ [pid 698] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 706] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 701] <... futex resumed>) = 0 [pid 704] <... futex resumed>) = 1 [pid 700] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 692] <... futex resumed>) = 0 [pid 706] mount(NULL, "./debug", "debugfs", 0, NULL [pid 701] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 704] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 700] <... futex resumed>) = 1 [pid 692] exit_group(0 [pid 691] <... futex resumed>) = 0 [pid 692] <... exit_group resumed>) = ? [pid 699] <... futex resumed>) = ? [pid 706] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 701] <... futex resumed>) = 0 [pid 699] +++ exited with 0 +++ [pid 691] exit_group(0 [pid 706] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 704] <... futex resumed>) = ? [pid 701] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 691] <... exit_group resumed>) = ? [pid 706] <... futex resumed>) = 0 [pid 701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 697] <... futex resumed>) = ? [pid 706] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 701] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 706] <... openat resumed>) = 3 [pid 701] <... futex resumed>) = 0 [pid 697] +++ exited with 0 +++ [pid 706] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 701] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 706] <... futex resumed>) = 0 [pid 701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 706] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 701] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 706] <... write resumed>) = -1 ESRCH (No such process) [pid 701] <... futex resumed>) = 0 [pid 706] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 701] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... restart_syscall resumed>) = 0 [pid 706] <... futex resumed>) = 0 [pid 701] <... futex resumed>) = 0 [pid 706] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 701] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 706] <... openat resumed>) = 4 [pid 704] +++ exited with 0 +++ [pid 692] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 700] +++ exited with 0 +++ [pid 691] +++ exited with 0 +++ [pid 706] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 706] <... futex resumed>) = 1 [pid 701] <... futex resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 706] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 701] exit_group(0ci2-android-5-15/strace-static-x86_64: Process 708 attached [pid 706] <... futex resumed>) = ? [pid 701] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 708 [pid 706] +++ exited with 0 +++ [pid 707] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 707] <... openat resumed>) = 4 [pid 707] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 701] +++ exited with 0 +++ [pid 696] <... futex resumed>) = 0 [pid 707] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 696] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 707] <... futex resumed>) = ? [pid 703] <... futex resumed>) = ? [pid 696] <... exit_group resumed>) = ? [pid 708] set_robust_list(0x55555694b6a0, 24 [pid 703] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 708] <... set_robust_list resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 708] rt_sigprocmask(SIG_SETMASK, [] [pid 707] +++ exited with 0 +++ [pid 696] +++ exited with 0 +++ [pid 708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 708] <... prctl resumed>) = 0 [pid 708] setpgid(0, 0) = 0 [pid 708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 708] write(3, "1000", 4) = 4 [pid 708] close(3) = 0 [pid 708] write(1, "executing program\n", 18) = 18 executing program [pid 708] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 708] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0}ci2-android-5-15/strace-static-x86_64: Process 709 attached => {parent_tid=[709]}, 88) = 709 [pid 709] set_robust_list(0x7fe952cd39a0, 24 [pid 708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 708] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 709] <... set_robust_list resumed>) = 0 [pid 709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 709] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 709] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] <... futex resumed>) = 0 [pid 709] mount(NULL, "./debug", "debugfs", 0, NULL [pid 708] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 709] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 708] <... futex resumed>) = 0 [pid 709] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 708] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 709] <... futex resumed>) = 0 [pid 708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 709] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 708] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 709] <... openat resumed>) = 3 [pid 708] <... futex resumed>) = 0 [pid 709] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 708] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 709] <... futex resumed>) = 0 [pid 708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 709] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 708] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 709] <... write resumed>) = -1 ESRCH (No such process) [pid 708] <... futex resumed>) = 0 [pid 709] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 708] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 709] <... futex resumed>) = 0 [pid 708] <... futex resumed>) = 0 [pid 709] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 708] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 710 attached => {parent_tid=[710]}, 88) = 710 [pid 708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 708] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 708] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 710] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 710] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 710] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 708] <... futex resumed>) = 0 [pid 710] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 708] exit_group(0) = ? [pid 709] <... futex resumed>) = ? [pid 710] <... futex resumed>) = -1 ENOSYS (Function not implemented) [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 709] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 711 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 712 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 714 attached ci2-android-5-15/strace-static-x86_64: Process 713 attached [pid 710] +++ exited with 0 +++ [pid 708] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 713 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 714 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 713] set_robust_list(0x55555694b6a0, 24 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 714] set_robust_list(0x55555694b6a0, 24 [pid 713] <... set_robust_list resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 715 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 712 attached [pid 712] set_robust_list(0x55555694b6a0, 24) = 0 [pid 712] rt_sigprocmask(SIG_SETMASK, [] [pid 714] <... set_robust_list resumed>) = 0 [pid 713] rt_sigprocmask(SIG_SETMASK, [] [pid 712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 712] setpgid(0, 0) = 0 [pid 712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 712] write(3, "1000", 4) = 4 [pid 712] close(3) = 0 [pid 712] write(1, "executing program\n", 18) = 18 [pid 712] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 712] <... futex resumed>) = 0 executing program [pid 712] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 712] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 712] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 713] <... prctl resumed>) = 0 [pid 712] <... clone3 resumed> => {parent_tid=[716]}, 88) = 716 [pid 712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 712] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 713] setpgid(0, 0 [pid 712] <... futex resumed>) = 0 [pid 712] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 711 attached [pid 711] set_robust_list(0x55555694b6a0, 24) = 0 [pid 711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 713] <... setpgid resumed>) = 0 [pid 711] <... prctl resumed>) = 0 [pid 711] setpgid(0, 0) = 0 [pid 711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 711] write(3, "1000", 4) = 4 [pid 711] close(3) = 0 [pid 711] write(1, "executing program\n", 18) = 18 [pid 711] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 713] <... openat resumed>) = 3 executing program [pid 711] <... futex resumed>) = 0 [pid 711] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 711] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 711] rt_sigprocmask(SIG_BLOCK, ~[] [pid 713] write(3, "1000", 4 [pid 711] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 713] <... write resumed>) = 4 [pid 714] rt_sigprocmask(SIG_SETMASK, [] [pid 711] <... clone3 resumed> => {parent_tid=[717]}, 88) = 717 [pid 711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 711] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 716 attached [pid 716] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 716] mkdirat(AT_FDCWD, "./debug", 0777 [pid 713] close(3 [pid 716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 716] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 712] <... futex resumed>) = 0 [pid 712] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 712] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 716] <... futex resumed>) = 1 [pid 716] mount(NULL, "./debug", "debugfs", 0, NULL [pid 713] <... close resumed>) = 0 [pid 716] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 713] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 715 attached [pid 714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 716] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 712] <... futex resumed>) = 0 [pid 712] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 712] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 716] <... futex resumed>) = 1 [pid 716] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 716] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 712] <... futex resumed>) = 0 [pid 712] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 712] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 712] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 712] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 713] <... write resumed>) = 18 [pid 712] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 713] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 712] <... clone3 resumed> => {parent_tid=[718]}, 88) = 718 [pid 713] <... futex resumed>) = 0 [pid 712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 712] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 712] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 716] <... futex resumed>) = 1 [pid 716] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 716] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 716] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 717 attached [pid 717] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 717] rt_sigprocmask(SIG_SETMASK, [] [pid 713] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 717] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 717] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] <... futex resumed>) = 0 [pid 711] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 713] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 711] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 717] <... futex resumed>) = 1 [pid 713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 717] mount(NULL, "./debug", "debugfs", 0, NULL [pid 713] <... mmap resumed>) = 0x7fe952cb3000 [pid 713] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 717] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 717] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] <... futex resumed>) = 0 [pid 713] rt_sigprocmask(SIG_BLOCK, ~[] [pid 714] <... prctl resumed>) = 0 [pid 713] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 714] setpgid(0, 0 [pid 711] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 714] <... setpgid resumed>) = 0 [pid 713] <... clone3 resumed> => {parent_tid=[719]}, 88) = 719 [pid 717] <... futex resumed>) = 1 [pid 713] rt_sigprocmask(SIG_SETMASK, [] [pid 714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 717] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 713] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 717] <... openat resumed>) = 3 [pid 713] <... futex resumed>) = 0 [pid 714] <... openat resumed>) = 3 [pid 713] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 717] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] write(3, "1000", 4 [pid 711] <... futex resumed>) = 0 [pid 711] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 711] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITEci2-android-5-15/strace-static-x86_64: Process 719 attached [pid 715] set_robust_list(0x55555694b6a0, 24 [pid 714] <... write resumed>) = 4 [pid 711] <... mprotect resumed>) = 0 [pid 711] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 714] close(3 [pid 711] <... clone3 resumed> => {parent_tid=[720]}, 88) = 720 [pid 711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 714] <... close resumed>) = 0 [pid 711] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 711] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 717] <... futex resumed>) = 1 [pid 717] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 717] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 717] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 718 attached [pid 718] set_robust_list(0x7fe952cb29a0, 24 [pid 714] write(1, "executing program\n", 18 [pid 718] <... set_robust_list resumed>) = 0 [pid 718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 718] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 714] <... write resumed>) = 18 [pid 718] <... openat resumed>) = 4 [pid 714] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 715] <... set_robust_list resumed>) = 0 [pid 718] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 712] <... futex resumed>) = 0 [pid 712] exit_group(0 [pid 716] <... futex resumed>) = ? [pid 714] <... futex resumed>) = 0 [pid 712] <... exit_group resumed>) = ? [pid 716] +++ exited with 0 +++ [pid 715] rt_sigprocmask(SIG_SETMASK, [] [pid 714] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}ci2-android-5-15/strace-static-x86_64: Process 720 attached [pid 719] set_robust_list(0x7fe952cd39a0, 24 [pid 718] <... futex resumed>) = ? [pid 714] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 719] <... set_robust_list resumed>) = 0 [pid 715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 714] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 714] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 714] <... clone3 resumed> => {parent_tid=[721]}, 88) = 721 ci2-android-5-15/strace-static-x86_64: Process 721 attached [pid 720] set_robust_list(0x7fe952cb29a0, 24 [pid 719] rt_sigprocmask(SIG_SETMASK, [] [pid 715] <... prctl resumed>) = 0 [pid 714] rt_sigprocmask(SIG_SETMASK, [] [pid 718] +++ exited with 0 +++ [pid 714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 712] +++ exited with 0 +++ [pid 719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 720] <... set_robust_list resumed>) = 0 [pid 715] setpgid(0, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 721] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 721] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 714] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 714] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... futex resumed>) = 0 [pid 721] mkdirat(AT_FDCWD, "./debug", 0777 [pid 715] <... setpgid resumed>) = 0 [pid 721] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 721] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] <... futex resumed>) = 0 [pid 715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 714] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... futex resumed>) = 1 [pid 721] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 721] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 715] <... openat resumed>) = 3 [pid 714] <... futex resumed>) = 0 [pid 714] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... futex resumed>) = 1 [pid 721] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 721] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] <... futex resumed>) = 0 [pid 714] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 714] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 714] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[722]}, 88) = 722 [pid 720] rt_sigprocmask(SIG_SETMASK, [] [pid 719] mkdirat(AT_FDCWD, "./debug", 0777 [pid 715] write(3, "1000", 4 [pid 714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 714] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 714] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 721] <... futex resumed>) = 1 [pid 721] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 721] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 721] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 722 attached [pid 722] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 722] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 715] <... write resumed>) = 4 [pid 720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 719] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 715] close(3) = 0 [pid 720] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 719] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 715] write(1, "executing program\n", 18) = 18 [pid 722] <... openat resumed>) = 4 [pid 722] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] <... futex resumed>) = 0 [pid 720] <... openat resumed>) = 4 [pid 719] <... futex resumed>) = 1 [pid 715] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 714] exit_group(0 [pid 713] <... futex resumed>) = 0 executing program [pid 721] <... futex resumed>) = ? [pid 719] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 715] <... futex resumed>) = 0 [pid 714] <... exit_group resumed>) = ? [pid 713] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 722] <... futex resumed>) = ? [pid 721] +++ exited with 0 +++ [pid 720] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 715] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 713] <... futex resumed>) = 0 [pid 715] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 713] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 715] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 715] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 715] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[723]}, 88) = 723 [pid 715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 715] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 719] mount(NULL, "./debug", "debugfs", 0, NULL [pid 715] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 723 attached [pid 722] +++ exited with 0 +++ [pid 720] <... futex resumed>) = 1 [pid 719] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 714] +++ exited with 0 +++ [pid 711] <... futex resumed>) = 0 [pid 711] exit_group(0 [pid 719] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 717] <... futex resumed>) = ? [pid 711] <... exit_group resumed>) = ? [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 717] +++ exited with 0 +++ [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 723] set_robust_list(0x7fe952cd39a0, 24 [pid 719] <... futex resumed>) = 1 [pid 713] <... futex resumed>) = 0 [pid 720] +++ exited with 0 +++ [pid 719] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 723] <... set_robust_list resumed>) = 0 [pid 713] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 711] +++ exited with 0 +++ [pid 719] <... openat resumed>) = 3 [pid 713] <... futex resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 713] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 719] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 713] <... futex resumed>) = 0 [pid 719] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 713] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 719] <... write resumed>) = -1 ESRCH (No such process) [pid 713] <... futex resumed>) = 0 [pid 719] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 713] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 719] <... futex resumed>) = 0 [pid 713] <... futex resumed>) = 0 [pid 719] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 713] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 713] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[724]}, 88) = 724 ci2-android-5-15/strace-static-x86_64: Process 724 attached [pid 723] rt_sigprocmask(SIG_SETMASK, [] [pid 713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 713] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 713] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 723] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 724] set_robust_list(0x7fe952cb29a0, 24 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 724] <... set_robust_list resumed>) = 0 [pid 723] mkdirat(AT_FDCWD, "./debug", 0777ci2-android-5-15/strace-static-x86_64: Process 725 attached [pid 724] rt_sigprocmask(SIG_SETMASK, [] [pid 723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 725 [pid 725] set_robust_list(0x55555694b6a0, 24 [pid 724] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 723] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 724] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 723] <... futex resumed>) = 1 [pid 715] <... futex resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 725] <... set_robust_list resumed>) = 0 [pid 724] <... openat resumed>) = 4 [pid 723] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 715] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 726 attached [pid 725] rt_sigprocmask(SIG_SETMASK, [] [pid 724] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 715] <... futex resumed>) = 0 [pid 724] <... futex resumed>) = 1 [pid 723] mount(NULL, "./debug", "debugfs", 0, NULL [pid 715] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 726 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 727 ci2-android-5-15/strace-static-x86_64: Process 727 attached [pid 726] set_robust_list(0x55555694b6a0, 24 [pid 725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 724] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 723] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 713] <... futex resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 723] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 723] <... futex resumed>) = 1 [pid 715] <... futex resumed>) = 0 [pid 725] <... prctl resumed>) = 0 [pid 723] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 715] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 713] exit_group(0 [pid 723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 715] <... futex resumed>) = 0 [pid 723] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 715] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 723] <... openat resumed>) = 3 [pid 723] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 715] <... futex resumed>) = 0 [pid 723] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 715] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 715] <... futex resumed>) = 0 [pid 723] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 715] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 723] <... write resumed>) = -1 ESRCH (No such process) [pid 715] <... futex resumed>) = 0 [pid 723] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 723] <... futex resumed>) = 0 [pid 715] <... mmap resumed>) = 0x7fe952c92000 [pid 723] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 715] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 715] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 724] <... futex resumed>) = ? [pid 719] <... futex resumed>) = ? [pid 725] setpgid(0, 0 [pid 713] <... exit_group resumed>) = ? [pid 726] <... set_robust_list resumed>) = 0 [pid 727] set_robust_list(0x55555694b6a0, 24 [pid 724] +++ exited with 0 +++ [pid 715] <... clone3 resumed> => {parent_tid=[728]}, 88) = 728 [pid 715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 719] +++ exited with 0 +++ [pid 715] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 715] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 728 attached [pid 728] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 728] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 728] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 713] +++ exited with 0 +++ [pid 728] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 725] <... setpgid resumed>) = 0 [pid 715] <... futex resumed>) = 0 [pid 726] rt_sigprocmask(SIG_SETMASK, [] [pid 715] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 723] <... futex resumed>) = ? [pid 715] <... exit_group resumed>) = ? [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 725] <... openat resumed>) = 3 [pid 723] +++ exited with 0 +++ [pid 725] write(3, "1000", 4 [pid 726] <... prctl resumed>) = 0 [pid 725] <... write resumed>) = 4 [pid 726] setpgid(0, 0 [pid 725] close(3 [pid 728] <... futex resumed>) = ? [pid 725] <... close resumed>) = 0 [pid 726] <... setpgid resumed>) = 0 [pid 725] write(1, "executing program\n", 18) = 18 [pid 726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 725] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 726] <... openat resumed>) = 3 [pid 725] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 726] write(3, "1000", 4 [pid 725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 726] <... write resumed>) = 4 [pid 725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 726] close(3 [pid 725] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 726] <... close resumed>) = 0 executing program [pid 726] write(1, "executing program\n", 18 [pid 725] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 726] <... write resumed>) = 18 [pid 725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 726] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 725] <... clone3 resumed> => {parent_tid=[729]}, 88) = 729 [pid 725] rt_sigprocmask(SIG_SETMASK, [] [pid 726] <... futex resumed>) = 0 [pid 725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 725] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 726] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 725] <... futex resumed>) = 0 [pid 725] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 726] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 727] <... set_robust_list resumed>) = 0 [pid 726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 726] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 727] rt_sigprocmask(SIG_SETMASK, [] [pid 726] <... mprotect resumed>) = 0 [pid 727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 726] rt_sigprocmask(SIG_BLOCK, ~[] [pid 728] +++ exited with 0 +++ [pid 726] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 715] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=715, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... restart_syscall resumed>) = 0 [pid 726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 ci2-android-5-15/strace-static-x86_64: Process 729 attached [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 726] <... clone3 resumed> => {parent_tid=[730]}, 88) = 730 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 726] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 729] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 729] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 729] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 729] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 731 [pid 725] <... futex resumed>) = 0 [pid 726] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 732 [pid 725] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 731 attached [pid 725] <... futex resumed>) = 1 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 726] <... futex resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 725] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 726] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 729] <... futex resumed>) = 0 [pid 729] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 727] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-5-15/strace-static-x86_64: Process 732 attached [pid 731] set_robust_list(0x55555694b6a0, 24) = 0 [pid 729] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 727] <... prctl resumed>) = 0 [pid 732] set_robust_list(0x55555694b6a0, 24 [pid 731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 729] <... futex resumed>) = 1 [pid 727] setpgid(0, 0 [pid 732] <... set_robust_list resumed>) = 0 [pid 725] <... futex resumed>) = 0 [pid 725] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 725] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 732] rt_sigprocmask(SIG_SETMASK, [] [pid 731] <... prctl resumed>) = 0 [pid 729] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 727] <... setpgid resumed>) = 0 [pid 731] setpgid(0, 0) = 0 [pid 731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 729] <... openat resumed>) = 3 [pid 727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 731] <... openat resumed>) = 3 [pid 729] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 731] write(3, "1000", 4) = 4 [pid 731] close(3) = 0 executing program [pid 731] write(1, "executing program\n", 18) = 18 [pid 731] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 731] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 725] <... futex resumed>) = 0 [pid 729] <... futex resumed>) = 1 [pid 725] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 729] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 725] <... futex resumed>) = 0 [pid 727] <... openat resumed>) = 3 [pid 725] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 730 attached [pid 732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 731] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 729] <... write resumed>) = -1 ESRCH (No such process) [pid 727] write(3, "1000", 4 [pid 725] <... futex resumed>) = 0 [pid 729] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 727] <... write resumed>) = 4 [pid 725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 725] <... mmap resumed>) = 0x7fe952c92000 [pid 729] <... futex resumed>) = 0 [pid 727] close(3 [pid 725] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 731] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 729] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 725] <... mprotect resumed>) = 0 [pid 727] <... close resumed>) = 0 [pid 725] rt_sigprocmask(SIG_BLOCK, ~[] [pid 727] write(1, "executing program\n", 18 [pid 725] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 731] <... mprotect resumed>) = 0 [pid 727] <... write resumed>) = 18 [pid 725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} executing program [pid 731] rt_sigprocmask(SIG_BLOCK, ~[] [pid 727] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 731] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 725] <... clone3 resumed> => {parent_tid=[733]}, 88) = 733 [pid 727] <... futex resumed>) = 0 [pid 731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 725] rt_sigprocmask(SIG_SETMASK, [] [pid 727] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 727] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 725] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 725] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 731] <... clone3 resumed> => {parent_tid=[734]}, 88) = 734 [pid 731] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 734 attached ci2-android-5-15/strace-static-x86_64: Process 733 attached [pid 732] <... prctl resumed>) = 0 [pid 731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 730] set_robust_list(0x7fe952cd39a0, 24 [pid 727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 734] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 733] set_robust_list(0x7fe952cb29a0, 24 [pid 732] setpgid(0, 0 [pid 731] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 730] <... set_robust_list resumed>) = 0 [pid 727] <... mmap resumed>) = 0x7fe952cb3000 [pid 734] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 734] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 734] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 733] <... set_robust_list resumed>) = 0 [pid 727] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 730] rt_sigprocmask(SIG_SETMASK, [] [pid 732] <... setpgid resumed>) = 0 [pid 731] <... futex resumed>) = 1 [pid 734] <... futex resumed>) = 0 [pid 734] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 733] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 727] <... mprotect resumed>) = 0 [pid 730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 733] <... openat resumed>) = 4 [pid 733] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 725] <... futex resumed>) = 0 [pid 725] exit_group(0) = ? [pid 729] <... futex resumed>) = ? [pid 730] mkdirat(AT_FDCWD, "./debug", 0777 [pid 727] <... clone3 resumed> => {parent_tid=[735]}, 88) = 735 [pid 732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 733] <... futex resumed>) = ? [pid 733] +++ exited with 0 +++ ci2-android-5-15/strace-static-x86_64: Process 735 attached [pid 735] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 735] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 735] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 731] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 731] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 729] +++ exited with 0 +++ [pid 725] +++ exited with 0 +++ [pid 734] <... futex resumed>) = 0 [pid 734] mount(NULL, "./debug", "debugfs", 0, NULL [pid 727] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 734] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 730] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 734] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 732] <... openat resumed>) = 3 [pid 731] <... futex resumed>) = 1 [pid 734] <... futex resumed>) = 0 [pid 734] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 730] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 726] <... futex resumed>) = 0 [pid 727] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 732] write(3, "1000", 4 [pid 731] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 726] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 730] mount(NULL, "./debug", "debugfs", 0, NULL [pid 727] <... futex resumed>) = 1 [pid 726] <... futex resumed>) = 0 [pid 735] <... futex resumed>) = 0 [pid 732] <... write resumed>) = 4 [pid 731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 730] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 727] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 726] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 732] close(3) = 0 [pid 732] write(1, "executing program\n", 18) = 18 [pid 732] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 732] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 730] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 732] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 732] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 726] <... futex resumed>) = 0 [pid 732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 726] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 732] <... clone3 resumed> => {parent_tid=[736]}, 88) = 736 [pid 726] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 732] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 732] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 731] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 734] <... futex resumed>) = 0 [pid 731] <... futex resumed>) = 1 [pid 730] <... futex resumed>) = 1 [pid 734] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 731] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 735] mkdirat(AT_FDCWD, "./debug", 0777 [pid 734] <... openat resumed>) = 3 [pid 730] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 734] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 735] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 734] <... futex resumed>) = 1 [pid 730] <... openat resumed>) = 3 [pid 734] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 731] <... futex resumed>) = 0 [pid 730] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 731] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 734] <... futex resumed>) = 0 [pid 731] <... futex resumed>) = 1 [pid 734] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 730] <... futex resumed>) = 1 [pid 726] <... futex resumed>) = 0 [pid 734] <... write resumed>) = -1 ESRCH (No such process) [pid 726] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 734] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 730] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 726] <... futex resumed>) = 0 [pid 734] <... futex resumed>) = 0 [pid 731] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 726] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 734] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 730] <... write resumed>) = -1 ESRCH (No such process) [pid 726] <... futex resumed>) = 0 [pid 731] <... futex resumed>) = 0 [pid 731] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 735] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 727] <... futex resumed>) = 0 [pid 727] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 734] <... openat resumed>) = 4 [pid 730] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 727] <... futex resumed>) = 0 [pid 726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 734] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 730] <... futex resumed>) = 0 [pid 727] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 734] <... futex resumed>) = 1 [pid 726] <... mmap resumed>) = 0x7fe952c92000 [pid 734] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 730] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 726] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 731] <... futex resumed>) = 0 [pid 731] exit_group(0) = ? [pid 734] <... futex resumed>) = ? [pid 726] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 736 attached [pid 735] <... futex resumed>) = 1 [pid 734] +++ exited with 0 +++ [pid 726] rt_sigprocmask(SIG_BLOCK, ~[] [pid 731] +++ exited with 0 +++ [pid 726] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 737 attached [pid 726] <... clone3 resumed> => {parent_tid=[737]}, 88) = 737 [pid 726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 726] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 737] set_robust_list(0x7fe952cb29a0, 24 [pid 726] <... futex resumed>) = 0 [pid 726] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... restart_syscall resumed>) = 0 [pid 737] <... set_robust_list resumed>) = 0 [pid 737] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 739 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 738 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 737] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTYci2-android-5-15/strace-static-x86_64: Process 739 attached ci2-android-5-15/strace-static-x86_64: Process 738 attached ) = 4 [pid 736] set_robust_list(0x7fe952cd39a0, 24 [pid 735] mount(NULL, "./debug", "debugfs", 0, NULL [pid 737] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 726] <... futex resumed>) = 0 [pid 726] exit_group(0 [pid 730] <... futex resumed>) = ? [pid 726] <... exit_group resumed>) = ? [pid 735] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 730] +++ exited with 0 +++ [pid 737] <... futex resumed>) = ? [pid 739] set_robust_list(0x55555694b6a0, 24 [pid 738] set_robust_list(0x55555694b6a0, 24 [pid 736] <... set_robust_list resumed>) = 0 [pid 735] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... set_robust_list resumed>) = 0 [pid 737] +++ exited with 0 +++ [pid 726] +++ exited with 0 +++ [pid 739] rt_sigprocmask(SIG_SETMASK, [] [pid 736] rt_sigprocmask(SIG_SETMASK, [] [pid 735] <... futex resumed>) = 1 [pid 727] <... futex resumed>) = 0 [pid 727] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 727] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 735] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 739] <... prctl resumed>) = 0 [pid 739] setpgid(0, 0) = 0 [pid 739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 736] mkdirat(AT_FDCWD, "./debug", 0777 [pid 735] <... openat resumed>) = 3 [pid 739] <... openat resumed>) = 3 [pid 736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 738] <... set_robust_list resumed>) = 0 [pid 735] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] write(3, "1000", 4) = 4 [pid 739] close(3) = 0 [pid 739] write(1, "executing program\n", 18) = 18 [pid 739] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 739] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 739] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 739] rt_sigprocmask(SIG_BLOCK, ~[] [pid 736] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 735] <... futex resumed>) = 1 [pid 727] <... futex resumed>) = 0 [pid 738] rt_sigprocmask(SIG_SETMASK, [] [pid 727] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 727] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 727] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 727] rt_sigprocmask(SIG_BLOCK, ~[] [pid 736] <... futex resumed>) = 1 [pid 735] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 732] <... futex resumed>) = 0 [pid 727] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 732] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 732] <... futex resumed>) = 0 [pid 732] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 727] <... clone3 resumed> => {parent_tid=[740]}, 88) = 740 [pid 736] mount(NULL, "./debug", "debugfs", 0, NULL [pid 735] <... write resumed>) = -1 ESRCH (No such process) [pid 727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 739] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 727] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 727] <... futex resumed>) = 0 [pid 727] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 739] <... clone3 resumed> => {parent_tid=[741]}, 88) = 741 [pid 739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 739] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 739] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 740 attached [pid 740] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 740] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 740] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 736] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 735] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 736] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 735] <... futex resumed>) = 0 [pid 736] <... futex resumed>) = 1 [pid 735] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 732] <... futex resumed>) = 0 [pid 738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 736] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 732] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] <... prctl resumed>) = 0 [pid 736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 732] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 741 attached [pid 738] setpgid(0, 0 [pid 736] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 732] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 736] <... openat resumed>) = 3 [pid 738] <... setpgid resumed>) = 0 [pid 736] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 741] set_robust_list(0x7fe952cd39a0, 24 [pid 736] <... futex resumed>) = 1 [pid 732] <... futex resumed>) = 0 [pid 738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 736] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 732] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 732] <... futex resumed>) = 0 [pid 736] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 732] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 741] <... set_robust_list resumed>) = 0 [pid 741] rt_sigprocmask(SIG_SETMASK, [] [pid 736] <... write resumed>) = -1 ESRCH (No such process) [pid 732] <... futex resumed>) = 0 [pid 738] <... openat resumed>) = 3 [pid 736] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 736] <... futex resumed>) = 0 [pid 738] write(3, "1000", 4 [pid 736] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 732] <... mmap resumed>) = 0x7fe952c92000 [pid 738] <... write resumed>) = 4 [pid 732] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 732] <... mprotect resumed>) = 0 [pid 738] close(3 [pid 741] mkdirat(AT_FDCWD, "./debug", 0777 [pid 738] <... close resumed>) = 0 [pid 732] rt_sigprocmask(SIG_BLOCK, ~[] [pid 741] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 732] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 738] write(1, "executing program\n", 18 [pid 732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 741] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... futex resumed>) = 0 [pid 739] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 739] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 738] <... write resumed>) = 18 [pid 732] <... clone3 resumed> => {parent_tid=[742]}, 88) = 742 [pid 741] <... futex resumed>) = 1 [pid 732] rt_sigprocmask(SIG_SETMASK, [] [pid 738] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 741] mount(NULL, "./debug", "debugfs", 0, NULL [pid 738] <... futex resumed>) = 0 [pid 732] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 740] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 732] <... futex resumed>) = 0 [pid 738] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 741] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 738] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 732] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 727] <... futex resumed>) = 0 [pid 738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 727] exit_group(0) = ? [pid 740] <... futex resumed>) = ? [pid 740] +++ exited with 0 +++ [pid 738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 735] <... futex resumed>) = ? [pid 741] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... futex resumed>) = 0 [pid 739] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 739] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 741] <... futex resumed>) = 1 [pid 741] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 741] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... futex resumed>) = 0 [pid 739] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 739] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 739] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 739] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 741] <... futex resumed>) = 1 [pid 741] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 739] <... clone3 resumed> => {parent_tid=[743]}, 88) = 743 ci2-android-5-15/strace-static-x86_64: Process 742 attached [pid 741] <... write resumed>) = -1 ESRCH (No such process) [pid 739] rt_sigprocmask(SIG_SETMASK, [] [pid 735] +++ exited with 0 +++ [pid 727] +++ exited with 0 +++ [pid 742] set_robust_list(0x7fe952cb29a0, 24 [pid 741] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 738] <... mmap resumed>) = 0x7fe952cb3000 [pid 310] <... restart_syscall resumed>) = 0 [pid 742] <... set_robust_list resumed>) = 0 [pid 741] <... futex resumed>) = 0 [pid 739] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 742] rt_sigprocmask(SIG_SETMASK, [] [pid 741] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 739] <... futex resumed>) = 0 [pid 742] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 739] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 742] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 742] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 742] <... futex resumed>) = 1 [pid 732] <... futex resumed>) = 0 [pid 742] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 732] exit_group(0 [pid 742] <... futex resumed>) = ? [pid 732] <... exit_group resumed>) = ? [pid 742] +++ exited with 0 +++ [pid 738] <... mprotect resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 736] <... futex resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 743 attached [pid 743] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 738] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 743] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 743] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 739] <... futex resumed>) = 0 [pid 743] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 739] exit_group(0 [pid 736] +++ exited with 0 +++ [pid 732] +++ exited with 0 +++ [pid 738] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 743] <... futex resumed>) = ? [pid 741] <... futex resumed>) = ? [pid 739] <... exit_group resumed>) = ? [pid 741] +++ exited with 0 +++ [pid 738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-5-15/strace-static-x86_64: Process 744 attached [pid 743] +++ exited with 0 +++ [pid 739] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 745 attached [pid 744] set_robust_list(0x7fe952cd39a0, 24 [pid 738] <... clone3 resumed> => {parent_tid=[744]}, 88) = 744 [pid 744] <... set_robust_list resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 744] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 744] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 745] set_robust_list(0x55555694b6a0, 24) = 0 [pid 745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 745] setpgid(0, 0) = 0 [pid 745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 738] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 745 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 745] <... openat resumed>) = 3 [pid 745] write(3, "1000", 4) = 4 [pid 745] close(3) = 0 [pid 745] write(1, "executing program\n", 18) = 18 executing program [pid 745] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 745] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 745] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 745] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[746]}, 88) = 746 [pid 745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 745] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 745] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 738] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 744] <... futex resumed>) = 0 [pid 738] <... futex resumed>) = 1 [pid 744] mkdirat(AT_FDCWD, "./debug", 0777 [pid 738] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 747 [pid 744] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 744] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 738] <... futex resumed>) = 0 [pid 744] mount(NULL, "./debug", "debugfs", 0, NULL [pid 738] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 747 attached ci2-android-5-15/strace-static-x86_64: Process 746 attached ) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 747] set_robust_list(0x55555694b6a0, 24 [pid 746] set_robust_list(0x7fe952cd39a0, 24 [pid 744] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 738] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 747] <... set_robust_list resumed>) = 0 [pid 747] rt_sigprocmask(SIG_SETMASK, [] [pid 746] <... set_robust_list resumed>) = 0 [pid 744] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 746] rt_sigprocmask(SIG_SETMASK, [] [pid 744] <... futex resumed>) = 1 [pid 738] <... futex resumed>) = 0 [pid 746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 744] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 738] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 746] mkdirat(AT_FDCWD, "./debug", 0777 [pid 744] <... openat resumed>) = 3 [pid 738] <... futex resumed>) = 0 [pid 746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 744] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 746] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 744] <... futex resumed>) = 0 [pid 738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 746] <... futex resumed>) = 1 [pid 745] <... futex resumed>) = 0 [pid 744] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 738] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 746] mount(NULL, "./debug", "debugfs", 0, NULL [pid 745] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 744] <... write resumed>) = -1 ESRCH (No such process) [pid 738] <... futex resumed>) = 0 [pid 746] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 745] <... futex resumed>) = 0 [pid 744] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 746] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 745] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 744] <... futex resumed>) = 0 [pid 738] <... futex resumed>) = 0 [pid 746] <... futex resumed>) = 0 [pid 745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 744] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 746] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 745] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] <... mmap resumed>) = 0x7fe952c92000 [pid 746] <... openat resumed>) = 3 [pid 745] <... futex resumed>) = 0 [pid 738] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 746] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 745] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 738] <... mprotect resumed>) = 0 [pid 746] <... futex resumed>) = 0 [pid 745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 738] rt_sigprocmask(SIG_BLOCK, ~[] [pid 746] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 745] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 738] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 746] <... write resumed>) = -1 ESRCH (No such process) [pid 745] <... futex resumed>) = 0 [pid 738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 747] <... prctl resumed>) = 0 [pid 746] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 745] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 746] <... futex resumed>) = 0 [pid 745] <... futex resumed>) = 0 [pid 738] <... clone3 resumed> => {parent_tid=[748]}, 88) = 748 [pid 746] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 738] rt_sigprocmask(SIG_SETMASK, [] [pid 745] <... mmap resumed>) = 0x7fe952c92000 [pid 738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 745] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 738] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 745] <... mprotect resumed>) = 0 [pid 738] <... futex resumed>) = 0 [pid 745] rt_sigprocmask(SIG_BLOCK, ~[] [pid 738] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 745] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[749]}, 88) = 749 ci2-android-5-15/strace-static-x86_64: Process 749 attached ci2-android-5-15/strace-static-x86_64: Process 748 attached [pid 747] setpgid(0, 0 [pid 745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 745] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 745] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 749] set_robust_list(0x7fe952cb29a0, 24 [pid 748] set_robust_list(0x7fe952cb29a0, 24 [pid 747] <... setpgid resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 749] <... set_robust_list resumed>) = 0 [pid 748] <... set_robust_list resumed>) = 0 [pid 747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 748] rt_sigprocmask(SIG_SETMASK, [] [pid 749] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 747] write(3, "1000", 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 747] <... write resumed>) = 4 [pid 748] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 749] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 747] close(3ci2-android-5-15/strace-static-x86_64: Process 750 attached [pid 750] set_robust_list(0x55555694b6a0, 24) = 0 [pid 750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 750] setpgid(0, 0) = 0 [pid 750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 750] write(3, "1000", 4) = 4 [pid 750] close(3) = 0 [pid 750] write(1, "executing program\n", 18) = 18 executing program [pid 750] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 750] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 747] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 750 [pid 750] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 750] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 747] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 750] <... clone3 resumed> => {parent_tid=[751]}, 88) = 751 [pid 750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 747] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 750] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 747] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 752 [pid 747] <... futex resumed>) = 0 [pid 747] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 750] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 747] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-15/strace-static-x86_64: Process 751 attached ) = 0x7fe952cb3000 [pid 747] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 751] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 747] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 751] rt_sigprocmask(SIG_SETMASK, [] [pid 747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 747] <... clone3 resumed> => {parent_tid=[753]}, 88) = 753 [pid 747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 747] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 751] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 747] <... futex resumed>) = 0 [pid 751] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 750] <... futex resumed>) = 0 [pid 750] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 750] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 751] <... futex resumed>) = 1 [pid 751] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 751] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 750] <... futex resumed>) = 0 [pid 750] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 750] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 751] <... futex resumed>) = 1 [pid 751] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 751] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 750] <... futex resumed>) = 0 [pid 750] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 750] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 750] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[754]}, 88) = 754 [pid 750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 750] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 750] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 751] <... futex resumed>) = 1 [pid 751] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 751] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 751] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 753 attached [pid 753] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 753] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 753] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 747] <... futex resumed>) = 0 [pid 747] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] <... futex resumed>) = 0 [pid 747] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 753] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 753] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 747] <... futex resumed>) = 0 [pid 753] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 747] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 753] <... futex resumed>) = 0 [pid 747] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 753] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 753] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 747] <... futex resumed>) = 0 [pid 753] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 747] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 753] <... write resumed>) = -1 ESRCH (No such process) [pid 747] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 754 attached ci2-android-5-15/strace-static-x86_64: Process 752 attached [pid 749] <... openat resumed>) = 4 [pid 748] <... openat resumed>) = 4 [pid 747] <... futex resumed>) = 0 [pid 747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 747] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 748] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 738] <... futex resumed>) = 0 [pid 738] exit_group(0 [pid 744] <... futex resumed>) = ? [pid 738] <... exit_group resumed>) = ? [pid 744] +++ exited with 0 +++ [pid 749] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] <... clone3 resumed> => {parent_tid=[755]}, 88) = 755 [pid 752] set_robust_list(0x55555694b6a0, 24 [pid 747] rt_sigprocmask(SIG_SETMASK, [] [pid 748] <... futex resumed>) = ? [pid 747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 753] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 753] <... futex resumed>) = 0 [pid 747] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 752] <... set_robust_list resumed>) = 0 [pid 749] <... futex resumed>) = 1 [pid 745] <... futex resumed>) = 0 [pid 754] set_robust_list(0x7fe952cb29a0, 24 [pid 749] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 745] exit_group(0 [pid 752] rt_sigprocmask(SIG_SETMASK, [] [pid 746] <... futex resumed>) = ? [pid 745] <... exit_group resumed>) = ? ci2-android-5-15/strace-static-x86_64: Process 755 attached [pid 754] <... set_robust_list resumed>) = 0 [pid 753] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 749] <... futex resumed>) = ? [pid 746] +++ exited with 0 +++ [pid 748] +++ exited with 0 +++ [pid 738] +++ exited with 0 +++ [pid 755] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 755] rt_sigprocmask(SIG_SETMASK, [] [pid 749] +++ exited with 0 +++ [pid 745] +++ exited with 0 +++ [pid 755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 755] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 755] <... openat resumed>) = 4 [pid 752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 755] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 747] <... futex resumed>) = 0 [pid 747] exit_group(0 [pid 752] <... prctl resumed>) = 0 [pid 747] <... exit_group resumed>) = ? [pid 754] rt_sigprocmask(SIG_SETMASK, [] [pid 753] <... futex resumed>) = ? [pid 752] setpgid(0, 0 [pid 755] <... futex resumed>) = ? [pid 754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 754] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 753] +++ exited with 0 +++ [pid 752] <... setpgid resumed>) = 0 [pid 754] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 750] <... futex resumed>) = 0 [pid 750] exit_group(0) = ? [pid 751] <... futex resumed>) = ? [pid 752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 751] +++ exited with 0 +++ [pid 754] <... futex resumed>) = ? [pid 752] <... openat resumed>) = 3 [pid 754] +++ exited with 0 +++ [pid 750] +++ exited with 0 +++ [pid 752] write(3, "1000", 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 752] <... write resumed>) = 4 [pid 752] close(3) = 0 [pid 755] +++ exited with 0 +++ [pid 747] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 752] write(1, "executing program\n", 18) = 18 [pid 752] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 752] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 752] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 752] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[756]}, 88) = 756 [pid 752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 752] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 752] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 756 attached [pid 756] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 756] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 756] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 752] <... futex resumed>) = 0 [pid 752] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 752] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 756] <... futex resumed>) = 1 [pid 756] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 756] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 752] <... futex resumed>) = 0 [pid 756] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 752] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 752] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 756] <... futex resumed>) = 0 [pid 756] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 756] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 752] <... futex resumed>) = 0 [pid 752] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 752] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 752] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 752] rt_sigprocmask(SIG_BLOCK, ~[] [pid 756] <... futex resumed>) = 1 [pid 756] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 752] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 756] <... write resumed>) = -1 ESRCH (No such process) [pid 752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 756] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 756] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 757 attached [pid 752] <... clone3 resumed> => {parent_tid=[757]}, 88) = 757 [pid 757] set_robust_list(0x7fe952cb29a0, 24 [pid 752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 752] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 752] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 757] <... set_robust_list resumed>) = 0 [pid 757] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 757] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 757] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 757] <... openat resumed>) = 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 759 attached [pid 757] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 758 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 759 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 761 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 757] <... futex resumed>) = 1 [pid 752] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 760 ci2-android-5-15/strace-static-x86_64: Process 760 attached [pid 760] set_robust_list(0x55555694b6a0, 24) = 0 [pid 760] rt_sigprocmask(SIG_SETMASK, [] [pid 752] exit_group(0 [pid 757] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 752] <... exit_group resumed>) = ? [pid 757] <... futex resumed>) = ? [pid 756] <... futex resumed>) = ? [pid 760] <... prctl resumed>) = 0 [pid 760] setpgid(0, 0) = 0 [pid 760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 756] +++ exited with 0 +++ [pid 760] <... openat resumed>) = 3 [pid 760] write(3, "1000", 4) = 4 [pid 760] close(3) = 0 [pid 760] write(1, "executing program\n", 18) = 18 [pid 760] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 760] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 757] +++ exited with 0 +++ [pid 752] +++ exited with 0 +++ [pid 760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 760] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 760] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 759] set_robust_list(0x55555694b6a0, 24 [pid 760] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0}ci2-android-5-15/strace-static-x86_64: Process 761 attached ci2-android-5-15/strace-static-x86_64: Process 762 attached [pid 759] <... set_robust_list resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 760] <... clone3 resumed> => {parent_tid=[762]}, 88) = 762 executing program [pid 760] rt_sigprocmask(SIG_SETMASK, [] [pid 759] rt_sigprocmask(SIG_SETMASK, [] [pid 760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 760] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 760] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 762] set_robust_list(0x7fe952cd39a0, 24 [pid 761] set_robust_list(0x55555694b6a0, 24 [pid 759] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 758 attached [pid 758] set_robust_list(0x55555694b6a0, 24) = 0 [pid 758] rt_sigprocmask(SIG_SETMASK, [] [pid 762] <... set_robust_list resumed>) = 0 [pid 761] <... set_robust_list resumed>) = 0 [pid 759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 758] setpgid(0, 0) = 0 [pid 759] <... prctl resumed>) = 0 [pid 758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 761] rt_sigprocmask(SIG_SETMASK, [] [pid 759] setpgid(0, 0) = 0 [pid 758] <... openat resumed>) = 3 [pid 761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 762] rt_sigprocmask(SIG_SETMASK, [] [pid 759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 758] write(3, "1000", 4) = 4 [pid 758] close(3) = 0 [pid 758] write(1, "executing program\n", 18) = 18 [pid 758] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 758] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 759] <... openat resumed>) = 3 [pid 758] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 759] write(3, "1000", 4 [pid 758] <... mmap resumed>) = 0x7fe952cb3000 [pid 758] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 758] rt_sigprocmask(SIG_BLOCK, ~[] [pid 759] <... write resumed>) = 4 [pid 761] <... prctl resumed>) = 0 [pid 758] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 762] mkdirat(AT_FDCWD, "./debug", 0777 [pid 761] setpgid(0, 0 [pid 759] close(3 [pid 758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0}ci2-android-5-15/strace-static-x86_64: Process 763 attached [pid 761] <... setpgid resumed>) = 0 [pid 762] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 759] <... close resumed>) = 0 [pid 762] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 759] write(1, "executing program\n", 18 [pid 763] set_robust_list(0x7fe952cd39a0, 24 [pid 758] <... clone3 resumed> => {parent_tid=[763]}, 88) = 763 [pid 758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 758] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 759] <... write resumed>) = 18 [pid 758] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 761] <... openat resumed>) = 3 executing program [pid 759] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 763] <... set_robust_list resumed>) = 0 [pid 762] <... futex resumed>) = 1 [pid 761] write(3, "1000", 4 [pid 760] <... futex resumed>) = 0 [pid 759] <... futex resumed>) = 0 [pid 760] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 760] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 763] rt_sigprocmask(SIG_SETMASK, [] [pid 762] mount(NULL, "./debug", "debugfs", 0, NULL [pid 761] <... write resumed>) = 4 [pid 759] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 761] close(3 [pid 759] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 762] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 761] <... close resumed>) = 0 [pid 759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 763] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 762] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 761] write(1, "executing program\n", 18 [pid 759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 761] <... write resumed>) = 18 [pid 759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 309] <... restart_syscall resumed>) = 0 [pid 761] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 762] <... futex resumed>) = 1 [pid 759] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 760] <... futex resumed>) = 0 [pid 760] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 760] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 759] <... mprotect resumed>) = 0 [pid 762] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 761] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 759] rt_sigprocmask(SIG_BLOCK, ~[] [pid 761] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 759] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 762] <... openat resumed>) = 3 [pid 759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0}ci2-android-5-15/strace-static-x86_64: Process 764 attached [pid 761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 759] <... clone3 resumed> => {parent_tid=[765]}, 88) = 765 [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 764 [pid 762] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 764] set_robust_list(0x55555694b6a0, 24) = 0 [pid 764] rt_sigprocmask(SIG_SETMASK, [] [pid 761] <... mmap resumed>) = 0x7fe952cb3000 [pid 759] rt_sigprocmask(SIG_SETMASK, [] [pid 762] <... futex resumed>) = 1 [pid 761] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 762] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] <... mprotect resumed>) = 0 [pid 759] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 760] <... futex resumed>) = 0 [pid 761] rt_sigprocmask(SIG_BLOCK, ~[] [pid 759] <... futex resumed>) = 0 [pid 761] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 760] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 759] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 760] <... futex resumed>) = 1 [pid 762] <... futex resumed>) = 0 [pid 760] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 762] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 761] <... clone3 resumed> => {parent_tid=[766]}, 88) = 766 [pid 760] <... futex resumed>) = 0 [pid 761] rt_sigprocmask(SIG_SETMASK, [] [pid 760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 762] <... write resumed>) = -1 ESRCH (No such process) [pid 761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 760] <... mmap resumed>) = 0x7fe952c92000 [pid 762] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 761] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 760] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 762] <... futex resumed>) = 0 [pid 761] <... futex resumed>) = 0 [pid 760] <... mprotect resumed>) = 0 [pid 762] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 760] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 767 attached ci2-android-5-15/strace-static-x86_64: Process 766 attached [pid 763] mkdirat(AT_FDCWD, "./debug", 0777 [pid 760] <... clone3 resumed> => {parent_tid=[767]}, 88) = 767 [pid 760] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 760] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 760] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 766] set_robust_list(0x7fe952cd39a0, 24 [pid 764] <... prctl resumed>) = 0 [pid 764] setpgid(0, 0) = 0 [pid 764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 767] set_robust_list(0x7fe952cb29a0, 24 [pid 766] <... set_robust_list resumed>) = 0 [pid 763] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 767] <... set_robust_list resumed>) = 0 [pid 766] rt_sigprocmask(SIG_SETMASK, [] [pid 763] <... futex resumed>) = 1 [pid 758] <... futex resumed>) = 0 [pid 758] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 758] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 764] <... openat resumed>) = 3 [pid 766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 763] mount(NULL, "./debug", "debugfs", 0, NULL [pid 767] rt_sigprocmask(SIG_SETMASK, [] [pid 764] write(3, "1000", 4) = 4 [pid 764] close(3) = 0 [pid 764] write(1, "executing program\n", 18) = 18 executing program [pid 763] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 764] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 764] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 764] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 764] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 763] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 764] rt_sigprocmask(SIG_BLOCK, ~[] [pid 763] <... futex resumed>) = 1 [pid 758] <... futex resumed>) = 0 [pid 764] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 758] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 766] mkdirat(AT_FDCWD, "./debug", 0777 [pid 764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 763] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 758] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 768 attached [pid 767] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 766] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 763] <... openat resumed>) = 3 [pid 758] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 764] <... clone3 resumed> => {parent_tid=[768]}, 88) = 768 [pid 764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 768] set_robust_list(0x7fe952cd39a0, 24 [pid 767] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 766] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 764] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 763] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 767] <... openat resumed>) = 4 [pid 767] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 764] <... futex resumed>) = 0 [pid 767] <... futex resumed>) = 1 [pid 760] <... futex resumed>) = 0 [pid 767] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 764] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 768] <... set_robust_list resumed>) = 0 [pid 766] <... futex resumed>) = 1 [pid 763] <... futex resumed>) = 1 [pid 761] <... futex resumed>) = 0 [pid 760] exit_group(0 [pid 758] <... futex resumed>) = 0 [pid 767] <... futex resumed>) = ? [pid 760] <... exit_group resumed>) = ? [pid 758] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 768] rt_sigprocmask(SIG_SETMASK, [] [pid 767] +++ exited with 0 +++ [pid 766] mount(NULL, "./debug", "debugfs", 0, NULL [pid 763] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 762] <... futex resumed>) = ? [pid 761] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 758] <... futex resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 765 attached [pid 758] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 765] set_robust_list(0x7fe952cd39a0, 24 [pid 758] <... futex resumed>) = 0 [pid 765] <... set_robust_list resumed>) = 0 [pid 758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 765] rt_sigprocmask(SIG_SETMASK, [] [pid 761] <... futex resumed>) = 0 [pid 758] <... mmap resumed>) = 0x7fe952c92000 [pid 765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 758] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 765] mkdirat(AT_FDCWD, "./debug", 0777 [pid 758] <... mprotect resumed>) = 0 [pid 765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 758] rt_sigprocmask(SIG_BLOCK, ~[] [pid 765] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 762] +++ exited with 0 +++ [pid 760] +++ exited with 0 +++ [pid 758] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 765] <... futex resumed>) = 1 [pid 763] <... write resumed>) = -1 ESRCH (No such process) [pid 761] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 766] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 765] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 763] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 759] <... futex resumed>) = 0 [pid 758] <... clone3 resumed> => {parent_tid=[769]}, 88) = 769 [pid 758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 758] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 758] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 769 attached [pid 769] set_robust_list(0x7fe952cb29a0, 24 [pid 759] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 766] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 763] <... futex resumed>) = 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 769] <... set_robust_list resumed>) = 0 [pid 769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 766] <... futex resumed>) = 1 [pid 763] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] <... futex resumed>) = 0 [pid 759] <... futex resumed>) = 1 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 766] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 759] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 761] <... futex resumed>) = 0 [pid 765] <... futex resumed>) = 0 [pid 766] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 761] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 765] mount(NULL, "./debug", "debugfs", 0, NULL [pid 766] <... openat resumed>) = 3 [pid 766] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 765] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 766] <... futex resumed>) = 1 [pid 761] <... futex resumed>) = 0 [pid 766] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 765] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 761] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 761] <... futex resumed>) = 0 [pid 766] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 761] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 766] <... write resumed>) = -1 ESRCH (No such process) [pid 761] <... futex resumed>) = 0 [pid 766] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 765] <... futex resumed>) = 1 [pid 761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 759] <... futex resumed>) = 0 [pid 766] <... futex resumed>) = 0 [pid 761] <... mmap resumed>) = 0x7fe952c92000 [pid 759] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 766] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 759] <... futex resumed>) = 0 [pid 765] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 761] <... mprotect resumed>) = 0 [pid 759] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 761] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 765] <... openat resumed>) = 3 [pid 761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 765] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 759] <... futex resumed>) = 0 [pid 765] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 761] <... clone3 resumed> => {parent_tid=[770]}, 88) = 770 [pid 759] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 770 attached [pid 768] mkdirat(AT_FDCWD, "./debug", 0777 [pid 765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 761] rt_sigprocmask(SIG_SETMASK, [] [pid 765] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 770] set_robust_list(0x7fe952cb29a0, 24 [pid 768] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 765] <... write resumed>) = -1 ESRCH (No such process) [pid 761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 759] <... futex resumed>) = 0 [pid 765] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... restart_syscall resumed>) = 0 [pid 765] <... futex resumed>) = 0 [pid 765] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 769] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 770] <... set_robust_list resumed>) = 0 [pid 769] <... openat resumed>) = 4 [pid 768] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 761] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 759] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 765] <... futex resumed>) = 0 [pid 761] <... futex resumed>) = 0 [pid 759] <... futex resumed>) = 1 [pid 765] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 761] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 759] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 770] rt_sigprocmask(SIG_SETMASK, [] [pid 768] <... futex resumed>) = 1 [pid 765] <... openat resumed>) = 4 [pid 764] <... futex resumed>) = 0 [pid 765] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 764] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[] [pid 765] <... futex resumed>) = 1 [pid 764] <... futex resumed>) = 0 [pid 759] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 769] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 765] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 764] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 759] exit_group(0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 769] <... futex resumed>) = 1 [pid 765] <... futex resumed>) = ? [pid 759] <... exit_group resumed>) = ? [pid 758] <... futex resumed>) = 0 [pid 769] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 765] +++ exited with 0 +++ [pid 758] exit_group(0 [pid 769] <... futex resumed>) = ? [pid 763] <... futex resumed>) = ? [pid 758] <... exit_group resumed>) = ? [pid 770] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 769] +++ exited with 0 +++ [pid 768] mount(NULL, "./debug", "debugfs", 0, NULL [pid 763] +++ exited with 0 +++ [pid 759] +++ exited with 0 +++ [pid 758] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 771 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 304] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 771 attached , NULL, 8) = 0 [pid 771] set_robust_list(0x55555694b6a0, 24) = 0 [pid 771] rt_sigprocmask(SIG_SETMASK, [] [pid 770] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 768] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 770] <... openat resumed>) = 4 [pid 771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 771] setpgid(0, 0) = 0 [pid 771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 770] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 768] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 771] write(3, "1000", 4) = 4 [pid 771] close(3) = 0 [pid 771] write(1, "executing program\n", 18) = 18 [pid 768] <... futex resumed>) = 1 executing program [pid 764] <... futex resumed>) = 0 [pid 764] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 764] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 771] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 770] <... futex resumed>) = 1 [pid 768] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 761] <... futex resumed>) = 0 [pid 771] <... futex resumed>) = 0 [pid 771] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 761] exit_group(0 [pid 768] <... openat resumed>) = 3 [pid 766] <... futex resumed>) = ? [pid 768] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 761] <... exit_group resumed>) = ? [pid 766] +++ exited with 0 +++ [pid 771] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 768] <... futex resumed>) = 1 [pid 764] <... futex resumed>) = 0 [pid 764] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 764] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 764] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 768] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 764] <... mprotect resumed>) = 0 [pid 771] <... mmap resumed>) = 0x7fe952cb3000 [pid 768] <... write resumed>) = -1 ESRCH (No such process) [pid 764] rt_sigprocmask(SIG_BLOCK, ~[] [pid 771] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 768] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 764] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 771] <... mprotect resumed>) = 0 [pid 768] <... futex resumed>) = 0 [pid 764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 771] rt_sigprocmask(SIG_BLOCK, ~[] [pid 768] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 771] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 764] <... clone3 resumed> => {parent_tid=[772]}, 88) = 772 [pid 771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 764] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 771] <... clone3 resumed> => {parent_tid=[773]}, 88) = 773 [pid 764] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 771] rt_sigprocmask(SIG_SETMASK, [] [pid 764] <... futex resumed>) = 0 [pid 771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 764] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 771] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 771] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 772 attached [pid 772] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 772] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 772] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 764] <... futex resumed>) = 0 [pid 772] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 773 attached [pid 764] exit_group(0 [pid 773] set_robust_list(0x7fe952cd39a0, 24 [pid 764] <... exit_group resumed>) = ? [pid 768] <... futex resumed>) = ? [pid 772] <... futex resumed>) = ? [pid 772] +++ exited with 0 +++ [pid 773] <... set_robust_list resumed>) = 0 [pid 773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 773] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 773] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 771] <... futex resumed>) = 0 [pid 771] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 771] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 768] +++ exited with 0 +++ [pid 764] +++ exited with 0 +++ [pid 773] <... futex resumed>) = 1 [pid 773] mount(NULL, "./debug", "debugfs", 0, NULL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 773] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 773] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 771] <... futex resumed>) = 0 [pid 771] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 771] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 773] <... futex resumed>) = 1 [pid 773] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 309] <... clone resumed>, child_tidptr=0x55555694b690) = 774 [pid 773] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 773] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 770] +++ exited with 0 +++ [pid 761] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 774 attached [pid 310] <... clone resumed>, child_tidptr=0x55555694b690) = 775 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 775 attached [pid 774] set_robust_list(0x55555694b6a0, 24 [pid 773] <... futex resumed>) = 1 [pid 771] <... futex resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 773] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 774] <... set_robust_list resumed>) = 0 [pid 771] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 775] set_robust_list(0x55555694b6a0, 24ci2-android-5-15/strace-static-x86_64: Process 776 attached [pid 771] <... futex resumed>) = 1 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 776 [pid 773] <... futex resumed>) = 0 [pid 773] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 773] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 773] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 776] set_robust_list(0x55555694b6a0, 24 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 776] <... set_robust_list resumed>) = 0 [pid 776] rt_sigprocmask(SIG_SETMASK, [] [pid 771] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 771] <... futex resumed>) = 1 [pid 773] <... futex resumed>) = 0 [pid 773] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 773] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 777 [pid 773] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 776] setpgid(0, 0) = 0 [pid 776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 776] <... openat resumed>) = 3 [pid 771] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 776] write(3, "1000", 4) = 4 [pid 776] close(3) = 0 [pid 776] write(1, "executing program\n", 18 [pid 775] <... set_robust_list resumed>) = 0 [pid 774] rt_sigprocmask(SIG_SETMASK, [] [pid 771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program ci2-android-5-15/strace-static-x86_64: Process 777 attached [pid 777] set_robust_list(0x55555694b6a0, 24) = 0 [pid 777] rt_sigprocmask(SIG_SETMASK, [] [pid 776] <... write resumed>) = 18 [pid 775] rt_sigprocmask(SIG_SETMASK, [] [pid 774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 771] exit_group(0 [pid 777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 771] <... exit_group resumed>) = ? [pid 773] <... futex resumed>) = ? [pid 774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 773] +++ exited with 0 +++ [pid 777] <... prctl resumed>) = 0 [pid 777] setpgid(0, 0) = 0 [pid 777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 777] write(3, "1000", 4) = 4 [pid 777] close(3) = 0 [pid 777] write(1, "executing program\n", 18) = 18 executing program [pid 776] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] <... prctl resumed>) = 0 [pid 775] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 771] +++ exited with 0 +++ [pid 777] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] setpgid(0, 0 [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 777] <... futex resumed>) = 0 [pid 774] <... setpgid resumed>) = 0 [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 777] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 777] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 777] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 774] <... openat resumed>) = 3 [pid 777] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[778]}, 88) = 778 [pid 777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 777] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 776] <... futex resumed>) = 0 [pid 775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 774] write(3, "1000", 4ci2-android-5-15/strace-static-x86_64: Process 778 attached [pid 778] set_robust_list(0x7fe952cd39a0, 24 [pid 774] <... write resumed>) = 4 [pid 778] <... set_robust_list resumed>) = 0 [pid 778] rt_sigprocmask(SIG_SETMASK, [] [pid 776] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 775] <... prctl resumed>) = 0 [pid 774] close(3 [pid 778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 778] mkdirat(AT_FDCWD, "./debug", 0777 [pid 774] <... close resumed>) = 0 [pid 778] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 778] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 777] <... futex resumed>) = 0 [pid 777] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 778] <... futex resumed>) = 1 [pid 776] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 775] setpgid(0, 0 executing program [pid 774] write(1, "executing program\n", 18 [pid 778] mount(NULL, "./debug", "debugfs", 0, NULL [pid 774] <... write resumed>) = 18 [pid 774] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 774] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 778] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 774] <... mmap resumed>) = 0x7fe952cb3000 [pid 778] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 777] <... futex resumed>) = 0 [pid 774] <... mprotect resumed>) = 0 [pid 777] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 774] rt_sigprocmask(SIG_BLOCK, ~[] [pid 777] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 774] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 775] <... setpgid resumed>) = 0 [pid 778] <... futex resumed>) = 1 [pid 774] <... clone3 resumed> => {parent_tid=[779]}, 88) = 779 [pid 778] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 774] rt_sigprocmask(SIG_SETMASK, [] [pid 776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 774] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 776] <... mmap resumed>) = 0x7fe952cb3000 [pid 774] <... futex resumed>) = 0 [pid 776] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 774] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 776] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 779 attached [pid 778] <... openat resumed>) = 3 [pid 775] <... openat resumed>) = 3 [pid 778] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 777] <... futex resumed>) = 0 [pid 777] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 776] rt_sigprocmask(SIG_BLOCK, ~[] [pid 775] write(3, "1000", 4 [pid 777] <... futex resumed>) = 0 [pid 777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 776] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 775] <... write resumed>) = 4 [pid 777] <... mmap resumed>) = 0x7fe952c92000 [pid 777] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 775] close(3 [pid 777] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 775] <... close resumed>) = 0 [pid 777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 775] write(1, "executing program\n", 18ci2-android-5-15/strace-static-x86_64: Process 780 attached [pid 776] <... clone3 resumed> => {parent_tid=[780]}, 88) = 780 [pid 777] <... clone3 resumed> => {parent_tid=[781]}, 88) = 781 [pid 777] rt_sigprocmask(SIG_SETMASK, [] [pid 776] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 775] <... write resumed>) = 18 [pid 777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 777] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 777] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 778] <... futex resumed>) = 1 [pid 778] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 778] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 775] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 776] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 778] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 779] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 779] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 779] mkdirat(AT_FDCWD, "./debug", 0777 [pid 776] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 775] <... futex resumed>) = 0 [pid 780] set_robust_list(0x7fe952cd39a0, 24 [pid 776] <... futex resumed>) = 0 [pid 775] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 776] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 775] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 781 attached [pid 775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 775] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 781] set_robust_list(0x7fe952cb29a0, 24 [pid 775] <... mprotect resumed>) = 0 [pid 781] <... set_robust_list resumed>) = 0 [pid 781] rt_sigprocmask(SIG_SETMASK, [] [pid 775] rt_sigprocmask(SIG_BLOCK, ~[] [pid 304] <... restart_syscall resumed>) = 0 [pid 775] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 781] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 781] <... openat resumed>) = 4 [pid 781] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 777] <... futex resumed>) = 0 [pid 777] exit_group(0 [pid 775] <... clone3 resumed> => {parent_tid=[782]}, 88) = 782 [pid 778] <... futex resumed>) = ? [pid 777] <... exit_group resumed>) = ? [pid 775] rt_sigprocmask(SIG_SETMASK, [] [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 783 [pid 775] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 778] +++ exited with 0 +++ [pid 775] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 775] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 781] <... futex resumed>) = ? [pid 775] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 780] <... set_robust_list resumed>) = 0 [pid 779] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 780] rt_sigprocmask(SIG_SETMASK, [] [pid 779] <... futex resumed>) = 1 [pid 774] <... futex resumed>) = 0 [pid 774] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 774] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 783 attached [pid 780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 779] mount(NULL, "./debug", "debugfs", 0, NULL [pid 780] mkdirat(AT_FDCWD, "./debug", 0777 [pid 781] +++ exited with 0 +++ [pid 779] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 777] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 782 attached [pid 780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 779] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 782] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 782] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 782] mkdirat(AT_FDCWD, "./debug", 0777 [pid 780] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] set_robust_list(0x55555694b6a0, 24 [pid 779] <... futex resumed>) = 1 [pid 774] <... futex resumed>) = 0 [pid 774] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 780] <... futex resumed>) = 1 [pid 779] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 776] <... futex resumed>) = 0 [pid 774] <... futex resumed>) = 0 [pid 780] mount(NULL, "./debug", "debugfs", 0, NULL [pid 779] <... openat resumed>) = 3 [pid 776] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 776] <... futex resumed>) = 0 [pid 776] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 780] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 779] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 782] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 782] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 775] <... futex resumed>) = 0 [pid 775] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 775] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 783] <... set_robust_list resumed>) = 0 [pid 782] <... futex resumed>) = 1 [pid 780] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 779] <... futex resumed>) = 1 [pid 774] <... futex resumed>) = 0 [pid 774] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 780] <... futex resumed>) = 1 [pid 779] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 776] <... futex resumed>) = 0 [pid 780] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 774] <... futex resumed>) = 0 [pid 776] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 779] <... write resumed>) = -1 ESRCH (No such process) [pid 776] <... futex resumed>) = 0 [pid 774] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 779] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 776] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 774] <... futex resumed>) = 0 [pid 780] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 779] <... futex resumed>) = 0 [pid 774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 780] <... openat resumed>) = 3 [pid 779] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 774] <... mmap resumed>) = 0x7fe952c92000 [pid 774] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 780] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] <... mprotect resumed>) = 0 [pid 780] <... futex resumed>) = 1 [pid 776] <... futex resumed>) = 0 [pid 780] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 776] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] rt_sigprocmask(SIG_BLOCK, ~[] [pid 780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 776] <... futex resumed>) = 0 [pid 774] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 780] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 776] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 780] <... write resumed>) = -1 ESRCH (No such process) [pid 776] <... futex resumed>) = 0 [pid 780] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-5-15/strace-static-x86_64: Process 784 attached [pid 780] <... futex resumed>) = 0 [pid 776] <... mmap resumed>) = 0x7fe952c92000 [pid 774] <... clone3 resumed> => {parent_tid=[784]}, 88) = 784 [pid 783] rt_sigprocmask(SIG_SETMASK, [] [pid 780] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 776] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 774] rt_sigprocmask(SIG_SETMASK, [] [pid 776] <... mprotect resumed>) = 0 [pid 783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 782] mount(NULL, "./debug", "debugfs", 0, NULL [pid 774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 776] rt_sigprocmask(SIG_BLOCK, ~[] [pid 774] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] <... prctl resumed>) = 0 [pid 782] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 776] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 774] <... futex resumed>) = 0 [pid 776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 783] setpgid(0, 0 [pid 782] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 774] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 784] set_robust_list(0x7fe952cb29a0, 24 [pid 776] <... clone3 resumed> => {parent_tid=[785]}, 88) = 785 [pid 783] <... setpgid resumed>) = 0 [pid 782] <... futex resumed>) = 1 [pid 776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 776] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 782] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 776] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 783] <... openat resumed>) = 3 [pid 775] <... futex resumed>) = 0 [pid 775] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 775] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 782] <... futex resumed>) = 0 [pid 783] write(3, "1000", 4 [pid 782] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 783] <... write resumed>) = 4 [pid 783] close(3) = 0 [pid 782] <... openat resumed>) = 3 [pid 782] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 775] <... futex resumed>) = 0 [pid 775] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 775] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 775] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 783] write(1, "executing program\n", 18 [pid 775] <... mprotect resumed>) = 0 [pid 775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0}ci2-android-5-15/strace-static-x86_64: Process 786 attached [pid 783] <... write resumed>) = 18 [pid 775] <... clone3 resumed> => {parent_tid=[786]}, 88) = 786 [pid 783] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 775] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 775] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 783] <... futex resumed>) = 0 [pid 786] set_robust_list(0x7fe952cb29a0, 24 [pid 782] <... futex resumed>) = 1 [pid 782] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16) = -1 ESRCH (No such process) [pid 782] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 782] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 784] <... set_robust_list resumed>) = 0 [pid 784] rt_sigprocmask(SIG_SETMASK, [] [pid 783] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 786] <... set_robust_list resumed>) = 0 [pid 784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 784] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 783] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 784] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] <... mmap resumed>) = 0x7fe952cb3000 [pid 783] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 774] <... futex resumed>) = 0 [pid 783] <... mprotect resumed>) = 0 [pid 783] rt_sigprocmask(SIG_BLOCK, ~[] [pid 774] exit_group(0 [pid 783] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 779] <... futex resumed>) = ? [pid 783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 774] <... exit_group resumed>) = ? [pid 779] +++ exited with 0 +++ [pid 784] <... futex resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 783] <... clone3 resumed> => {parent_tid=[787]}, 88) = 787 [pid 783] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 783] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 783] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 783] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... clone resumed>, child_tidptr=0x55555694b690) = 788 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 788 attached ci2-android-5-15/strace-static-x86_64: Process 787 attached [pid 784] +++ exited with 0 +++ [pid 774] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 785 attached [pid 785] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 788] set_robust_list(0x55555694b6a0, 24 [pid 787] set_robust_list(0x7fe952cd39a0, 24 [pid 786] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 788] <... set_robust_list resumed>) = 0 [pid 787] <... set_robust_list resumed>) = 0 [pid 786] <... openat resumed>) = 4 [pid 785] rt_sigprocmask(SIG_SETMASK, [] [pid 786] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 787] rt_sigprocmask(SIG_SETMASK, [] [pid 786] <... futex resumed>) = 1 [pid 785] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 775] <... futex resumed>) = 0 [pid 775] exit_group(0) = ? [pid 788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 785] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 782] <... futex resumed>) = ? [pid 782] +++ exited with 0 +++ [pid 786] +++ exited with 0 +++ [pid 775] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 788] <... prctl resumed>) = 0 [pid 787] mkdirat(AT_FDCWD, "./debug", 0777 [pid 788] setpgid(0, 0 [pid 785] <... openat resumed>) = 4 [pid 788] <... setpgid resumed>) = 0 [pid 787] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 785] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 787] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 785] <... futex resumed>) = 1 [pid 776] <... futex resumed>) = 0 [pid 776] exit_group(0) = ? [pid 780] <... futex resumed>) = ? [pid 780] +++ exited with 0 +++ [pid 788] <... openat resumed>) = 3 [pid 787] <... futex resumed>) = 1 [pid 783] <... futex resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 783] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 783] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 789 ci2-android-5-15/strace-static-x86_64: Process 789 attached [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 789] set_robust_list(0x55555694b6a0, 24 [pid 788] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 788] <... write resumed>) = 4 [pid 788] close(3 [pid 787] mount(NULL, "./debug", "debugfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 790 [pid 788] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 789] <... set_robust_list resumed>) = 0 [pid 788] write(1, "executing program\n", 18) = 18 executing program [pid 787] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 788] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 787] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 785] +++ exited with 0 +++ [pid 776] +++ exited with 0 +++ [pid 788] <... futex resumed>) = 0 [pid 789] <... prctl resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 788] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240} [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 789] setpgid(0, 0 [pid 788] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 787] <... futex resumed>) = 1 [pid 783] <... futex resumed>) = 0 [pid 789] <... setpgid resumed>) = 0 [pid 783] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 787] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 783] <... futex resumed>) = 0 [pid 783] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 787] <... openat resumed>) = 3 [pid 788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 788] <... mmap resumed>) = 0x7fe952cb3000 [pid 787] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... restart_syscall resumed>) = 0 [pid 788] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 789] write(3, "1000", 4 [pid 787] <... futex resumed>) = 1 [pid 783] <... futex resumed>) = 0 [pid 783] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-5-15/strace-static-x86_64: Process 790 attached ) = 0 [pid 789] <... write resumed>) = 4 [pid 788] <... mprotect resumed>) = 0 [pid 787] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 783] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 783] <... futex resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 789] close(3 [pid 788] rt_sigprocmask(SIG_BLOCK, ~[] [pid 787] <... write resumed>) = -1 ESRCH (No such process) [pid 783] <... mmap resumed>) = 0x7fe952c92000 [pid 790] set_robust_list(0x55555694b6a0, 24) = 0 [pid 790] rt_sigprocmask(SIG_SETMASK, [] [pid 783] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 788] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 787] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 789] <... close resumed>) = 0 [pid 788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 783] <... mprotect resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555694b690) = 791 [pid 783] rt_sigprocmask(SIG_BLOCK, ~[] [pid 790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 783] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 787] <... futex resumed>) = 0 [pid 789] write(1, "executing program\n", 18 [pid 788] <... clone3 resumed> => {parent_tid=[792]}, 88) = 792 [pid 783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 783] <... clone3 resumed> => {parent_tid=[793]}, 88) = 793 [pid 788] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 787] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 789] <... write resumed>) = 18 [pid 788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 783] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 788] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 783] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 789] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 788] <... futex resumed>) = 0 [pid 783] <... futex resumed>) = 0 [pid 783] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 789] <... futex resumed>) = 0 [pid 788] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 790] setpgid(0, 0) = 0 [pid 790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 789] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}ci2-android-5-15/strace-static-x86_64: Process 793 attached , NULL, 8) = 0 [pid 789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 793] set_robust_list(0x7fe952cb29a0, 24 [pid 790] <... openat resumed>) = 3 [pid 793] <... set_robust_list resumed>) = 0 [pid 789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 790] write(3, "1000", 4) = 4 [pid 790] close(3) = 0 [pid 789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 790] write(1, "executing program\n", 18) = 18 executing program [pid 790] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 790] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 793] rt_sigprocmask(SIG_SETMASK, [] [pid 789] <... mmap resumed>) = 0x7fe952cb3000 [pid 793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 789] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 793] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 789] <... mprotect resumed>) = 0 ci2-android-5-15/strace-static-x86_64: Process 791 attached [pid 791] set_robust_list(0x55555694b6a0, 24 [pid 789] rt_sigprocmask(SIG_BLOCK, ~[] [pid 791] <... set_robust_list resumed>) = 0 [pid 791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 793] <... openat resumed>) = 4 [pid 789] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 790] <... mmap resumed>) = 0x7fe952cb3000 [pid 789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 790] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 793] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 791] setpgid(0, 0) = 0 [pid 791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 789] <... clone3 resumed> => {parent_tid=[794]}, 88) = 794 [pid 793] <... futex resumed>) = 1 [pid 790] <... mprotect resumed>) = 0 [pid 789] rt_sigprocmask(SIG_SETMASK, [] [pid 783] <... futex resumed>) = 0 [pid 789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 783] exit_group(0 [pid 789] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 790] rt_sigprocmask(SIG_BLOCK, ~[] [pid 789] <... futex resumed>) = 0 [pid 787] <... futex resumed>) = ? [pid 783] <... exit_group resumed>) = ? [pid 789] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 791] <... openat resumed>) = 3 [pid 787] +++ exited with 0 +++ [pid 791] write(3, "1000", 4 [pid 790] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 791] <... write resumed>) = 4 [pid 791] close(3) = 0 [pid 791] write(1, "executing program\n", 18) = 18 [pid 791] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 791] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 793] +++ exited with 0 +++ [pid 783] +++ exited with 0 +++ [pid 791] <... mmap resumed>) = 0x7fe952cb3000 [pid 791] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 791] <... mprotect resumed>) = 0 [pid 790] <... clone3 resumed> => {parent_tid=[795]}, 88) = 795 executing program [pid 791] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-5-15/strace-static-x86_64: Process 795 attached [pid 790] rt_sigprocmask(SIG_SETMASK, [] [pid 791] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} [pid 790] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 792 attached [pid 790] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 795] set_robust_list(0x7fe952cd39a0, 24 [pid 792] set_robust_list(0x7fe952cd39a0, 24 [pid 790] <... futex resumed>) = 0 [pid 791] <... clone3 resumed> => {parent_tid=[796]}, 88) = 796 [pid 790] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 791] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 791] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 792] <... set_robust_list resumed>) = 0 [pid 792] rt_sigprocmask(SIG_SETMASK, [] [pid 795] <... set_robust_list resumed>) = 0 [pid 792] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 792] mkdirat(AT_FDCWD, "./debug", 0777 [pid 795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 792] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 788] <... futex resumed>) = 0 [pid 792] mount(NULL, "./debug", "debugfs", 0, NULL [pid 788] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 788] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 792] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 795] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 792] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 788] <... futex resumed>) = 0 [pid 792] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 788] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 788] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 792] <... openat resumed>) = 3 [pid 792] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 788] <... futex resumed>) = 0 [pid 792] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 788] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 792] <... write resumed>) = -1 ESRCH (No such process) [pid 788] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 792] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 788] <... futex resumed>) = 0 [pid 792] <... futex resumed>) = 0 [pid 788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 792] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 788] <... mmap resumed>) = 0x7fe952c92000 ci2-android-5-15/strace-static-x86_64: Process 794 attached [pid 788] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 794] set_robust_list(0x7fe952cd39a0, 24 [pid 788] <... mprotect resumed>) = 0 [pid 794] <... set_robust_list resumed>) = 0 [pid 788] rt_sigprocmask(SIG_BLOCK, ~[] [pid 794] rt_sigprocmask(SIG_SETMASK, [] [pid 788] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 795] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 788] <... clone3 resumed> => {parent_tid=[797]}, 88) = 797 [pid 788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 788] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 788] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 797 attached [pid 795] <... futex resumed>) = 1 [pid 790] <... futex resumed>) = 0 [pid 794] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 794] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 789] <... futex resumed>) = 0 [pid 790] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 794] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 789] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 790] <... futex resumed>) = 0 [pid 789] <... futex resumed>) = 0 [pid 790] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 789] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 794] mount(NULL, "./debug", "debugfs", 0, NULL [pid 797] set_robust_list(0x7fe952cb29a0, 24 [pid 795] mount(NULL, "./debug", "debugfs", 0, NULL [pid 794] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 794] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 795] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 789] <... futex resumed>) = 0 [pid 304] <... restart_syscall resumed>) = 0 [pid 789] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 794] <... futex resumed>) = 1 [pid 794] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 789] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 794] <... openat resumed>) = 3 [pid 794] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 794] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 796 attached [pid 796] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 789] <... futex resumed>) = 0 [pid 304] <... clone resumed>, child_tidptr=0x55555694b690) = 798 [pid 789] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 796] rt_sigprocmask(SIG_SETMASK, [] [pid 304] rt_sigprocmask(SIG_SETMASK, [] [pid 789] <... futex resumed>) = 1 [pid 304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 789] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 794] <... futex resumed>) = 0 [pid 789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 794] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 789] <... mmap resumed>) = 0x7fe952c92000 [pid 789] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 794] <... write resumed>) = -1 ESRCH (No such process) [pid 795] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 789] <... mprotect resumed>) = 0 [pid 794] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 789] rt_sigprocmask(SIG_BLOCK, ~[] [pid 795] <... futex resumed>) = 1 [pid 790] <... futex resumed>) = 0 [pid 789] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 795] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY [pid 790] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 790] <... futex resumed>) = 0 [pid 795] <... openat resumed>) = 3 ci2-android-5-15/strace-static-x86_64: Process 799 attached ci2-android-5-15/strace-static-x86_64: Process 798 attached [pid 797] <... set_robust_list resumed>) = 0 [pid 796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 795] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 794] <... futex resumed>) = 0 [pid 790] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 794] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 796] mkdirat(AT_FDCWD, "./debug", 0777 [pid 790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 789] <... clone3 resumed> => {parent_tid=[799]}, 88) = 799 [pid 795] <... futex resumed>) = 0 [pid 789] rt_sigprocmask(SIG_SETMASK, [] [pid 795] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 790] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 795] <... write resumed>) = -1 ESRCH (No such process) [pid 790] <... futex resumed>) = 0 [pid 789] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 795] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 790] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 789] <... futex resumed>) = 0 [pid 795] <... futex resumed>) = 0 [pid 790] <... futex resumed>) = 0 [pid 789] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 795] futex(0x7fe952da3b48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 790] <... mmap resumed>) = 0x7fe952c92000 [pid 796] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 790] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE [pid 796] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 790] <... mprotect resumed>) = 0 [pid 791] <... futex resumed>) = 0 [pid 790] rt_sigprocmask(SIG_BLOCK, ~[] [pid 791] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000 [pid 790] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 791] <... futex resumed>) = 0 [pid 790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} [pid 791] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 796] <... futex resumed>) = 1 [pid 796] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 790] <... clone3 resumed> => {parent_tid=[800]}, 88) = 800 [pid 797] rt_sigprocmask(SIG_SETMASK, []ci2-android-5-15/strace-static-x86_64: Process 800 attached [pid 799] set_robust_list(0x7fe952cb29a0, 24 [pid 798] set_robust_list(0x55555694b6a0, 24 [pid 790] rt_sigprocmask(SIG_SETMASK, [] [pid 796] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 791] <... futex resumed>) = 0 [pid 791] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 791] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 796] <... futex resumed>) = 1 [pid 796] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 796] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 791] <... futex resumed>) = 0 [pid 791] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 791] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 800] set_robust_list(0x7fe952cb29a0, 24 [pid 799] <... set_robust_list resumed>) = 0 [pid 798] <... set_robust_list resumed>) = 0 [pid 797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 796] <... futex resumed>) = 1 [pid 790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 791] <... futex resumed>) = 0 [pid 791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 791] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 796] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 800] <... set_robust_list resumed>) = 0 [pid 799] rt_sigprocmask(SIG_SETMASK, [] [pid 797] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 790] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 791] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[801]}, 88) = 801 [pid 790] <... futex resumed>) = 0 [pid 791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 791] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000 [pid 797] <... openat resumed>) = 4 [pid 791] <... futex resumed>) = 0 [pid 790] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 791] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 801 attached [pid 801] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 801] rt_sigprocmask(SIG_SETMASK, [] [pid 797] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 801] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 797] <... futex resumed>) = 1 [pid 788] <... futex resumed>) = 0 [pid 799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 797] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 788] exit_group(0 [pid 792] <... futex resumed>) = ? [pid 797] <... futex resumed>) = ? [pid 788] <... exit_group resumed>) = ? [pid 792] +++ exited with 0 +++ [pid 801] <... openat resumed>) = 4 [pid 801] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 791] <... futex resumed>) = 0 [pid 801] <... futex resumed>) = 1 [pid 801] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 798] rt_sigprocmask(SIG_SETMASK, [] [pid 797] +++ exited with 0 +++ [pid 788] +++ exited with 0 +++ [pid 798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 798] setpgid(0, 0) = 0 executing program [pid 799] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY [pid 798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 798] write(3, "1000", 4) = 4 [pid 798] close(3) = 0 [pid 798] write(1, "executing program\n", 18) = 18 [pid 798] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 798] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 798] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[802]}, 88) = 802 [pid 798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 798] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 802 attached [pid 802] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 802] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 802] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 798] <... futex resumed>) = 0 [pid 798] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 802] <... futex resumed>) = 1 [pid 802] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 802] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 798] <... futex resumed>) = 0 [pid 798] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 802] <... futex resumed>) = 1 [pid 802] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 802] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 798] <... futex resumed>) = 0 [pid 798] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 798] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 798] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[803]}, 88) = 803 [pid 798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 798] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 798] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 802] <... futex resumed>) = 1 [pid 802] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16ci2-android-5-15/strace-static-x86_64: Process 803 attached [pid 803] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 803] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 803] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 798] <... futex resumed>) = 0 [pid 803] <... futex resumed>) = 1 [pid 803] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 800] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 800] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 800] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 799] <... openat resumed>) = 4 [pid 799] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 799] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 790] <... futex resumed>) = 0 [pid 790] exit_group(0) = ? [pid 800] <... futex resumed>) = ? [pid 800] +++ exited with 0 +++ [pid 789] <... futex resumed>) = 0 [pid 789] exit_group(0 [pid 794] <... futex resumed>) = ? [pid 789] <... exit_group resumed>) = ? [pid 794] +++ exited with 0 +++ [pid 799] <... futex resumed>) = ? [pid 799] +++ exited with 0 +++ [pid 789] +++ exited with 0 +++ [pid 795] <... futex resumed>) = ? [pid 795] +++ exited with 0 +++ [pid 790] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 804 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 805 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 804 attached [pid 804] set_robust_list(0x55555694b6a0, 24) = 0 [pid 804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 804] setpgid(0, 0) = 0 [pid 804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 804] write(3, "1000", 4) = 4 [pid 804] close(3) = 0 [pid 804] write(1, "executing program\n", 18) = 18 executing program [pid 804] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 804] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 804] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[806]}, 88) = 806 [pid 804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 804] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 805 attached [pid 805] set_robust_list(0x55555694b6a0, 24) = 0 [pid 805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 805] setpgid(0, 0) = 0 [pid 805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 805] write(3, "1000", 4) = 4 [pid 805] close(3) = 0 [pid 805] write(1, "executing program\n", 18) = 18 executing program [pid 805] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 805] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 805] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 805] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[807]}, 88) = 807 [pid 805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 805] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 805] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 806 attached [pid 806] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 806] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 806] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 804] <... futex resumed>) = 0 [pid 804] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 806] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 806] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 804] <... futex resumed>) = 0 [pid 804] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 806] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 806] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 804] <... futex resumed>) = 0 [pid 804] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 804] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 804] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[808]}, 88) = 808 [pid 804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 804] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 804] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 806] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16ci2-android-5-15/strace-static-x86_64: Process 807 attached [pid 807] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 807] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 807] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 805] <... futex resumed>) = 0 [pid 805] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 805] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 807] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 807] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 805] <... futex resumed>) = 0 [pid 805] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 805] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 807] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 807] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 805] <... futex resumed>) = 0 [pid 805] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 805] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 805] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 805] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[809]}, 88) = 809 [pid 805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 805] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 805] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 807] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16ci2-android-5-15/strace-static-x86_64: Process 808 attached [pid 808] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 808] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 808] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 804] <... futex resumed>) = 0 [pid 808] <... futex resumed>) = 1 [pid 808] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-5-15/strace-static-x86_64: Process 809 attached [pid 809] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 809] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 809] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 805] <... futex resumed>) = 0 [ 25.049704][ T796] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 25.061442][ T796] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 25.069859][ T796] CPU: 1 PID: 796 Comm: syz-executor210 Not tainted syzkaller #0 [ 25.077579][ T796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 25.087625][ T796] RIP: 0010:vsscanf+0x196/0x24b0 [ 25.092563][ T796] Code: 48 c7 c6 20 d0 99 86 e8 58 b4 f7 fe 41 83 fe 25 74 4d 45 85 f6 0f 84 b6 21 00 00 48 ff c3 48 89 5c 24 78 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 4f 1b 00 00 41 0f b6 1f 45 0f b6 f6 44 [ 25.112150][ T796] RSP: 0018:ffffc900017975e0 EFLAGS: 00010246 [ 25.118211][ T796] RAX: 0000000000000000 RBX: ffffffff854b5901 RCX: 0000000000000001 [ 25.126158][ T796] RDX: ffffffff82720be8 RSI: ffffffff8699d020 RDI: 0000000000000030 [ 25.134110][ T796] RBP: ffffc90001797710 R08: ffff88810f7dcf00 R09: 0000000000000002 [ 25.142089][ T796] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff854b5900 [ 25.150394][ T796] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 25.158361][ T796] FS: 00007fe952cd36c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.167299][ T796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.173874][ T796] CR2: 00007fe952d6e63c CR3: 0000000122253000 CR4: 00000000003506a0 [ 25.181849][ T796] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.189800][ T796] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.197748][ T796] Call Trace: [ 25.201096][ T796] [ 25.204010][ T796] ? bprintf+0x140/0x140 [ 25.208235][ T796] ? check_preempt_wakeup+0x725/0xbb0 [ 25.213588][ T796] ? update_blocked_averages+0xf60/0xf60 [ 25.219203][ T796] sscanf+0xdf/0x130 [ 25.223078][ T796] ? skip_atoi+0x110/0x110 [ 25.227472][ T796] ? mutex_lock_interruptible+0x9b/0x1c0 [ 25.233090][ T796] ? check_stack_object+0x10f/0x150 [ 25.238461][ T796] split_huge_pages_write+0x30d/0xfc0 [ 25.244114][ T796] ? deferred_split_scan+0x860/0x860 [ 25.249390][ T796] ? __update_load_avg_cfs_rq+0xb1/0x2e0 [ 25.255006][ T796] ? update_load_avg+0x442/0x1110 [ 25.260019][ T796] ? __kasan_check_write+0x14/0x20 [ 25.265115][ T796] ? debugfs_file_get+0x362/0x450 [ 25.270124][ T796] ? avc_policy_seqno+0x1b/0x70 [ 25.274965][ T796] ? selinux_file_permission+0x2aa/0x510 [ 25.280595][ T796] full_proxy_write+0x10f/0x1c0 [ 25.285429][ T796] ? full_proxy_read+0x1c0/0x1c0 [ 25.290350][ T796] vfs_write+0x404/0xfd0 [ 25.294577][ T796] ? _raw_spin_lock_irq+0x95/0xf0 [ 25.299591][ T796] ? file_end_write+0x1b0/0x1b0 [ 25.304422][ T796] ? __kasan_check_write+0x14/0x20 [ 25.309517][ T796] ? mutex_lock+0x9b/0x1c0 [ 25.313915][ T796] ? wait_for_completion_killable_timeout+0x10/0x10 [ 25.320493][ T796] ? __fget_files+0x2e1/0x340 [ 25.325149][ T796] ? __fdget_pos+0x2d2/0x380 [ 25.329717][ T796] ? ksys_write+0x70/0x260 [ 25.334111][ T796] ksys_write+0x14a/0x260 [ 25.338419][ T796] ? __ia32_sys_read+0x90/0x90 [ 25.343163][ T796] ? __kasan_check_write+0x14/0x20 [ 25.348262][ T796] ? switch_fpu_return+0x15d/0x2c0 [ 25.353357][ T796] __x64_sys_write+0x7b/0x90 [ 25.357927][ T796] x64_sys_call+0x8ef/0x9a0 [ 25.362412][ T796] do_syscall_64+0x4c/0xa0 [ 25.366805][ T796] ? clear_bhb_loop+0x50/0xa0 [ 25.371462][ T796] ? clear_bhb_loop+0x50/0xa0 [ 25.376116][ T796] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 25.382010][ T796] RIP: 0033:0x7fe952cf3099 [ 25.386406][ T796] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 25.406004][ T796] RSP: 002b:00007fe952cd3218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 25.414394][ T796] RAX: ffffffffffffffda RBX: 00007fe952da3b48 RCX: 00007fe952cf3099 [ 25.422345][ T796] RDX: 0000000000000010 RSI: 0000200000000140 RDI: 0000000000000003 [ 25.430308][ T796] RBP: 00007fe952da3b40 R08: 37203a6b63617473 R09: 37203a6b63617473 [ 25.438259][ T796] R10: 37203a6b63617473 R11: 0000000000000246 R12: 00007fe952d75378 [pid 809] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 306] <... restart_syscall resumed>) = 0 [ 25.446210][ T796] R13: 0000200000000140 R14: 78302c3078302c30 R15: 6d74702f7665642f [ 25.454164][ T796] [ 25.457163][ T796] Modules linked in: [ 25.462226][ T30] audit: type=1400 audit(1788445691.045:68): avc: denied { read } for pid=83 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 25.463199][ T796] ---[ end trace 38168391943c1ee8 ]--- [ 25.484260][ T30] audit: type=1400 audit(1788445691.045:69): avc: denied { search } for pid=83 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 25.489652][ T796] RIP: 0010:vsscanf+0x196/0x24b0 [ 25.512367][ T30] audit: type=1400 audit(1788445691.045:70): avc: denied { write } for pid=83 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 25.516145][ T796] Code: 48 c7 c6 20 d0 99 86 e8 58 b4 f7 fe 41 83 fe 25 74 4d 45 85 f6 0f 84 b6 21 00 00 48 ff c3 48 89 5c 24 78 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 4f 1b 00 00 41 0f b6 1f 45 0f b6 f6 44 [ 25.536904][ T30] audit: type=1400 audit(1788445691.045:71): avc: denied { add_name } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 25.556930][ T796] RSP: 0018:ffffc900017975e0 EFLAGS: 00010246 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-15/strace-static-x86_64: Process 810 attached , child_tidptr=0x55555694b690) = 810 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 791] exit_group(0) = ? [pid 810] set_robust_list(0x55555694b6a0, 24) = 0 [pid 810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 798] exit_group(0 [pid 810] <... prctl resumed>) = 0 [pid 798] <... exit_group resumed>) = ? [pid 810] setpgid(0, 0) = 0 [pid 810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 810] write(3, "1000", 4) = 4 [pid 810] close(3) = 0 [pid 810] write(1, "executing program\n", 18) = 18 executing program [pid 810] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 810] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[811]}, 88) = 811 [pid 810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 810] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 801] <... futex resumed>) = ? [pid 801] +++ exited with 0 +++ [pid 802] <... write resumed>) = ? [pid 802] +++ exited with 0 +++ [pid 803] <... futex resumed>) = ? [pid 803] +++ exited with 0 +++ [pid 798] +++ exited with 0 +++ [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-5-15/strace-static-x86_64: Process 811 attached [pid 811] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 811] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 811] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 810] <... futex resumed>) = 0 [pid 810] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 811] <... futex resumed>) = 1 [pid 811] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 811] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 810] <... futex resumed>) = 0 [pid 810] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 811] <... futex resumed>) = 1 [pid 811] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 811] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 810] <... futex resumed>) = 0 [pid 810] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 810] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[812]}, 88) = 812 [pid 810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 810] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 810] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 811] <... futex resumed>) = 1 [pid 811] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16ci2-android-5-15/strace-static-x86_64: Process 812 attached [pid 812] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 812] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 812] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 810] <... futex resumed>) = 0 [pid 812] <... futex resumed>) = 1 [pid 812] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] <... restart_syscall resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 813 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 813 attached [pid 813] set_robust_list(0x55555694b6a0, 24) = 0 [pid 813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 813] setpgid(0, 0) = 0 [pid 813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 813] write(3, "1000", 4) = 4 [pid 813] close(3) = 0 [pid 813] write(1, "executing program\n", 18) = 18 executing program [pid 813] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 813] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 813] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[814]}, 88) = 814 [pid 813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 813] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 814 attached [pid 814] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 814] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 814] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 813] <... futex resumed>) = 0 [pid 813] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 814] <... futex resumed>) = 1 [pid 814] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 814] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 813] <... futex resumed>) = 0 [pid 813] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 814] <... futex resumed>) = 1 [pid 814] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 814] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 813] <... futex resumed>) = 0 [pid 813] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 813] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 813] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[815]}, 88) = 815 [pid 813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 813] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 813] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 814] <... futex resumed>) = 1 [pid 814] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16ci2-android-5-15/strace-static-x86_64: Process 815 attached [pid 815] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 815] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 815] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 804] exit_group(0) = ? [pid 813] <... futex resumed>) = 0 [pid 815] <... futex resumed>) = 1 [pid 815] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 805] exit_group(0 [pid 808] <... futex resumed>) = ? [pid 805] <... exit_group resumed>) = ? [pid 806] <... write resumed>) = ? [pid 806] +++ exited with 0 +++ [pid 808] +++ exited with 0 +++ [pid 804] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 25.576779][ T30] audit: type=1400 audit(1788445691.045:72): avc: denied { create } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 25.577332][ T796] [ 25.583220][ T30] audit: type=1400 audit(1788445691.045:73): avc: denied { append open } for pid=83 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 25.603318][ T796] RAX: 0000000000000000 RBX: ffffffff854b5901 RCX: 0000000000000001 [ 25.636992][ T796] RDX: ffffffff82720be8 RSI: ffffffff8699d020 RDI: 0000000000000030 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 809] <... futex resumed>) = ? [pid 807] <... write resumed>) = ? [pid 807] +++ exited with 0 +++ [pid 809] +++ exited with 0 +++ [pid 805] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=805, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 816 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 816 attached [pid 816] set_robust_list(0x55555694b6a0, 24) = 0 [pid 816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 816] setpgid(0, 0) = 0 [pid 816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 816] write(3, "1000", 4) = 4 [pid 816] close(3) = 0 [pid 816] write(1, "executing program\n", 18) = 18 executing program [pid 816] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 816] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[817]}, 88) = 817 [pid 816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 816] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 817 attached [pid 817] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 817] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 817] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 816] <... futex resumed>) = 0 [pid 816] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 817] <... futex resumed>) = 1 [pid 817] mount(NULL, "./debug", "debugfs", 0, NULL [pid 310] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555694b690) = 818 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 817] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 817] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 816] <... futex resumed>) = 0 [pid 816] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 817] <... futex resumed>) = 1 [pid 817] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 817] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 816] <... futex resumed>) = 0 [pid 816] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 816] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[819]}, 88) = 819 [pid 816] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 816] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 816] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 817] <... futex resumed>) = 1 [pid 817] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16ci2-android-5-15/strace-static-x86_64: Process 818 attached [pid 818] set_robust_list(0x55555694b6a0, 24) = 0 [pid 818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci2-android-5-15/strace-static-x86_64: Process 819 attached [pid 818] setpgid(0, 0) = 0 [pid 818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 818] write(3, "1000", 4) = 4 [pid 818] close(3) = 0 executing program [pid 818] write(1, "executing program\n", 18) = 18 [pid 818] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 818] rt_sigaction(SIGRT_1, {sa_handler=0x7fe952d05f50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe952cf8240}, NULL, 8) = 0 [pid 818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952cb3000 [pid 818] mprotect(0x7fe952cb4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cd3990, parent_tid=0x7fe952cd3990, exit_signal=0, stack=0x7fe952cb3000, stack_size=0x20300, tls=0x7fe952cd36c0} => {parent_tid=[820]}, 88) = 820 [pid 818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 818] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 818] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 820 attached [pid 820] set_robust_list(0x7fe952cd39a0, 24) = 0 [pid 820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 820] mkdirat(AT_FDCWD, "./debug", 0777) = -1 EEXIST (File exists) [pid 820] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 818] <... futex resumed>) = 0 [pid 818] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 818] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 820] <... futex resumed>) = 1 [pid 820] mount(NULL, "./debug", "debugfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 820] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 818] <... futex resumed>) = 0 [pid 818] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 818] futex(0x7fe952da3b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 820] <... futex resumed>) = 1 [pid 820] openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [pid 820] futex(0x7fe952da3b4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 818] <... futex resumed>) = 0 [pid 818] futex(0x7fe952da3b48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 818] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe952c92000 [pid 818] mprotect(0x7fe952c93000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe952cb2990, parent_tid=0x7fe952cb2990, exit_signal=0, stack=0x7fe952c92000, stack_size=0x20300, tls=0x7fe952cb26c0} => {parent_tid=[821]}, 88) = 821 [pid 818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 818] futex(0x7fe952da3b58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 818] futex(0x7fe952da3b5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-15/strace-static-x86_64: Process 821 attached [pid 820] <... futex resumed>) = 1 [pid 819] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 819] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 819] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 816] <... futex resumed>) = 0 [pid 819] <... futex resumed>) = 1 [pid 819] futex(0x7fe952da3b58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 820] write(3, "\x30\x2c\x30\x78\x30\x2c\x30\x78\x30\x2c\x30\x2c\x30\x00\x00\x00", 16 [pid 821] set_robust_list(0x7fe952cb29a0, 24) = 0 [pid 821] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 821] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY|O_NOCTTY) = 4 [pid 821] futex(0x7fe952da3b5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 818] <... futex resumed>) = 0 [pid 821] <... futex resumed>) = 1 [ 25.645338][ T796] RBP: ffffc90001797710 R08: ffff88810f7dcf00 R09: 0000000000000002 [ 25.653660][ T796] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff854b5900 [ 25.661971][ T796] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 25.670302][ T796] FS: 00007fe952cd36c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 25.679464][ T796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.686185][ T796] CR2: 000055555694b690 CR3: 0000000122253000 CR4: 00000000003506b0 [ 25.694398][ T796] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.702521][ T796] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.710514][ T796] Kernel panic - not syncing: Fatal exception [ 25.716752][ T796] Kernel Offset: disabled [ 25.721074][ T796] Rebooting in 86400 seconds..