ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor3921540708 <...> ss permissive=1 [ 22.184995][ T28] audit: type=1400 audit(1789073173.073:63): avc: denied { siginh } for pid=266 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 258.792790][ T291] scp (291) used greatest stack depth: 22088 bytes left [ 259.665321][ T298] sshd-session (298) used greatest stack depth: 21792 bytes left Warning: Permanently added '10.128.0.176' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor3921540708", ["ci2-android-6-1/syz-executor3921540708"], 0x7ffe9f8d4400 /* 10 vars */) = 0 brk(NULL) = 0x5555910ab000 brk(0x5555910abd40) = 0x5555910abd40 arch_prctl(ARCH_SET_FS, 0x5555910ab3c0) = 0 set_tid_address(0x5555910ab690) = 305 set_robust_list(0x5555910ab6a0, 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-6-1/syz-executor3921540708", 4096) = 44 getrandom("\x55\x95\xc9\xd7\x61\xb1\x5b\xd6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555910abd40 brk(0x5555910ccd40) = 0x5555910ccd40 brk(0x5555910cd000) = 0x5555910cd000 mprotect(0x7f8b341a1000, 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|SIGCHLD, child_tidptr=0x5555910ab690) = 306 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1ci2-android-6-1/strace-static-x86_64: Process 306 attached ) = 1 [pid 306] set_robust_list(0x5555910ab6a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 305] <... close resumed>) = 0 [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "100", 3) = 3 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "0", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "0", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "7 4 1 3", 7) = 7 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/sys/kernel/debug/failslab/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "Y", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "Y", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "Y", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/sys/kernel/debug/fail_usercopy/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "Y", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/sys/kernel/debug/fail_make_request/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "Y", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/sys/kernel/debug/fail_io_timeout/task-filter", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "Y", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/sys/kernel/debug/fail_iommufd/task-filter", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "0", 1) = 1 [pid 305] close(3) = 0 [pid 305] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "306", 3) = 3 [pid 305] close(3) = 0 [pid 305] kill(306, SIGKILL) = 0 [pid 306] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=306, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 307 attached , child_tidptr=0x5555910ab690) = 307 [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 307] set_robust_list(0x5555910ab6a0, 24 [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] setpgid(0, 0) = 0 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] write(3, "1000", 4) = 4 [pid 307] close(3) = 0 executing program [pid 307] write(1, "executing program\n", 18) = 18 [pid 307] mkdirat(AT_FDCWD, "./sys", 0777) = 0 [ 265.132515][ T28] audit: type=1400 audit(1789073416.033:64): avc: denied { execmem } for pid=305 comm="syz-executor392" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 307] mount(NULL, "./sys", "sysfs", 0, NULL) = 0 [pid 307] openat(AT_FDCWD, "./sys/power/state", O_RDWR) = 3 [ 265.186080][ T28] audit: type=1400 audit(1789073416.083:65): avc: denied { mounton } for pid=307 comm="syz-executor392" path="/root/sys" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 265.193372][ T307] PM: suspend entry (s2idle) [ 265.209367][ T28] audit: type=1400 audit(1789073416.083:66): avc: denied { mount } for pid=307 comm="syz-executor392" name="/" dev="sysfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 265.288461][ T267] Filesystems sync: 0.074 seconds [ 265.294373][ T307] Freezing user space processes [ 265.301148][ T307] Freezing user space processes completed (elapsed 0.001 seconds) [ 265.309155][ T307] OOM killer disabled. [ 265.313291][ T307] Freezing remaining freezable tasks [ 265.319900][ T307] Freezing remaining freezable tasks completed (elapsed 0.001 seconds) [ 265.328313][ T307] printk: Suspending console(s) (use no_console_suspend to debug)