ci-upstream-kasan-gce-smack-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce-smack-root/syz-executor4005407997 <...> Warning: Permanently added '10.128.1.51' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce-smack-root/syz-executor4005407997", ["ci-upstream-kasan-gce-smack-root/syz-executor4005407997"], 0x7ffdacfc5b30 /* 10 vars */) = 0 brk(NULL) = 0x555560bc6000 brk(0x555560bc6d80) = 0x555560bc6d80 arch_prctl(ARCH_SET_FS, 0x555560bc6400) = 0 set_tid_address(0x555560bc66d0) = 5612 set_robust_list(0x555560bc66e0, 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}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-kasan-gce-smack-root/syz-executor4005407997", 4096) = 61 getrandom("\xde\xbf\x9a\x16\x3b\x87\xf1\x10", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555560bc6d80 brk(0x555560be7d80) = 0x555560be7d80 brk(0x555560be8000) = 0x555560be8000 mprotect(0x7fb79af8b000, 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|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5613 attached , child_tidptr=0x555560bc66d0) = 5613 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5613] set_robust_list(0x555560bc66e0, 24) = 0 [pid 5613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5613] setpgid(0, 0) = 0 [pid 5613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5613] write(3, "1000", 4) = 4 [pid 5613] close(3) = 0 [pid 5613] write(1, "executing program\n", 18) = 18 [pid 5613] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 executing program [pid 5613] ioctl(3, SIOCADDRT, 0x200000000140) = 0 [pid 5613] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5613] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5612] kill(-5613, SIGKILL) = 0 [pid 5613] <... connect resumed>) = ? [pid 5612] kill(5613, SIGKILL) = 0 [pid 5613] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5613, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted kill ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5615 attached , child_tidptr=0x555560bc66d0) = 5615 [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5615] set_robust_list(0x555560bc66e0, 24 [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5615] <... set_robust_list resumed>) = 0 [pid 5615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5615] setpgid(0, 0) = 0 [pid 5615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5615] write(3, "1000", 4) = 4 [pid 5615] close(3) = 0 [pid 5615] write(1, "executing program\n", 18) = 18 executing program [pid 5615] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5615] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5615] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5615] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5612] kill(-5615, SIGKILL) = 0 [pid 5615] <... connect resumed>) = ? [pid 5612] kill(5615, SIGKILL) = 0 [pid 5615] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5615, 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|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5622 attached [pid 5622] set_robust_list(0x555560bc66e0, 24 [pid 5612] <... clone resumed>, child_tidptr=0x555560bc66d0) = 5622 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5622] setpgid(0, 0) = 0 [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5622] write(3, "1000", 4) = 4 [pid 5622] close(3) = 0 [pid 5622] write(1, "executing program\n", 18) = 18 executing program [pid 5622] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5622] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5622] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5622] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5612] kill(-5622, SIGKILL) = 0 [pid 5622] <... connect resumed>) = ? [pid 5612] kill(5622, SIGKILL) = 0 [pid 5622] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5622, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5623 attached , child_tidptr=0x555560bc66d0) = 5623 [pid 5623] set_robust_list(0x555560bc66e0, 24 [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5623] <... set_robust_list resumed>) = 0 [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5623] setpgid(0, 0) = 0 [pid 5623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5623] write(3, "1000", 4) = 4 [pid 5623] close(3) = 0 [pid 5623] write(1, "executing program\n", 18) = 18 executing program [pid 5623] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5623] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5623] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5623] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5612] kill(-5623, SIGKILL) = 0 [pid 5612] kill(5623, SIGKILL [pid 5623] <... connect resumed>) = ? [pid 5612] <... kill resumed>) = 0 [pid 5623] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5623, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5624 attached [pid 5624] set_robust_list(0x555560bc66e0, 24 [pid 5612] <... clone resumed>, child_tidptr=0x555560bc66d0) = 5624 [pid 5624] <... set_robust_list resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5624] setpgid(0, 0) = 0 [pid 5624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5624] write(3, "1000", 4) = 4 executing program [pid 5624] close(3) = 0 [pid 5624] write(1, "executing program\n", 18) = 18 [pid 5624] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5624] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5624] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5624] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5612] kill(-5624, SIGKILL) = 0 [pid 5624] <... connect resumed>) = ? [pid 5612] kill(5624, SIGKILL) = 0 [pid 5624] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5624, 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|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5625 attached [pid 5625] set_robust_list(0x555560bc66e0, 24 [pid 5612] <... clone resumed>, child_tidptr=0x555560bc66d0) = 5625 [pid 5625] <... set_robust_list resumed>) = 0 [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5625] setpgid(0, 0) = 0 [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5625] write(3, "1000", 4) = 4 [pid 5625] close(3) = 0 [pid 5625] write(1, "executing program\n", 18) = 18 [pid 5625] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 executing program [pid 5625] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5625] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5625] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5612] kill(-5625, SIGKILL) = 0 [pid 5625] <... connect resumed>) = ? [pid 5612] kill(5625, SIGKILL) = 0 [pid 5625] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5625, 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|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5626 attached [pid 5626] set_robust_list(0x555560bc66e0, 24 [pid 5612] <... clone resumed>, child_tidptr=0x555560bc66d0) = 5626 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5626] setpgid(0, 0) = 0 [pid 5626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5626] write(3, "1000", 4) = 4 [pid 5626] close(3) = 0 executing program [pid 5626] write(1, "executing program\n", 18) = 18 [pid 5626] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5626] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5626] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5626] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5612] kill(-5626, SIGKILL) = 0 [pid 5626] <... connect resumed>) = ? [pid 5612] kill(5626, SIGKILL) = 0 [pid 5626] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5626, 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|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5627 attached , child_tidptr=0x555560bc66d0) = 5627 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] set_robust_list(0x555560bc66e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5627] setpgid(0, 0) = 0 [pid 5627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5627] write(3, "1000", 4) = 4 [pid 5627] close(3) = 0 [pid 5627] write(1, "executing program\n", 18) = 18 executing program [pid 5627] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5627] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5627] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5627] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5612] kill(-5627, SIGKILL) = 0 [pid 5627] <... connect resumed>) = ? [pid 5612] kill(5627, SIGKILL) = 0 [pid 5627] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5627, 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|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5628 attached [pid 5628] set_robust_list(0x555560bc66e0, 24 [pid 5612] <... clone resumed>, child_tidptr=0x555560bc66d0) = 5628 [pid 5628] <... set_robust_list resumed>) = 0 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5628] setpgid(0, 0) = 0 [pid 5628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5628] write(3, "1000", 4) = 4 [pid 5628] close(3) = 0 [pid 5628] write(1, "executing program\n", 18) = 18 [pid 5628] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 executing program [pid 5628] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5628] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5628] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5612] kill(-5628, SIGKILL) = 0 [pid 5628] <... connect resumed>) = ? [pid 5612] kill(5628, SIGKILL) = 0 [pid 5628] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5628, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted kill ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5629 attached , child_tidptr=0x555560bc66d0) = 5629 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5629] set_robust_list(0x555560bc66e0, 24) = 0 [pid 5629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5629] setpgid(0, 0) = 0 [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5629] write(3, "1000", 4) = 4 [pid 5629] close(3) = 0 [pid 5629] write(1, "executing program\n", 18) = 18 [pid 5629] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 executing program [pid 5629] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5629] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5629] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18) = -1 ENETUNREACH (Network is unreachable) [pid 5629] exit_group(0) = ? [pid 5629] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 171.520838][ C1] BUG: sleeping function called from invalid context at net/core/sock.c:3832 [ 171.520880][ C1] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 29, name: ktimers/1 [ 171.520894][ C1] preempt_count: 0, expected: 0 [ 171.520902][ C1] RCU nest depth: 2, expected: 0 [ 171.520914][ C1] locks held by ktimers/1/29: 4, last CPU#1: [ 171.520927][ C1] #0: ffffffff8e0594c0 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5630 attached [pid 5630] set_robust_list(0x555560bc66e0, 24 [pid 5612] <... clone resumed>, child_tidptr=0x555560bc66d0) = 5630 [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] <... set_robust_list resumed>) = 0 [pid 5630] rt_sigprocmask(SIG_SETMASK, [] [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5630] setpgid(0, 0) = 0 [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5630] write(3, "1000", 4) = 4 [pid 5630] close(3) = 0 executing program [pid 5630] write(1, "executing program\n", 18) = 18 [pid 5630] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5630] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [ 171.521000][ C1] #1: ffffffff8e1c3c40 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 [ 171.521047][ C1] #2: ffffffff8e1c3c40 (rcu_read_lock){....}-{1:3}, at: netif_receive_skb_core+0x33/0x2b0 [ 171.521094][ C1] #3: ffff888038d40358 (sk_lock-AF_X25){+.+.}-{0:0}, at: x25_kill_by_neigh+0x134/0x2a0 [ 171.521171][ C1] CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 171.521189][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 171.521207][ C1] Call Trace: [ 171.521214][ C1] [pid 5630] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [ 171.521222][ C1] dump_stack_lvl+0xe8/0x150 [ 171.521247][ C1] __might_resched+0x31b/0x470 [ 171.521276][ C1] lock_sock_nested+0x56/0x130 [ 171.521298][ C1] x25_kill_by_neigh+0x134/0x2a0 [ 171.521318][ C1] ? x25_kill_by_neigh+0x2b/0x2a0 [ 171.521341][ C1] x25_lapb_receive_frame+0x1b0/0xfb0 [ 171.521367][ C1] ? netif_receive_skb_core+0x33/0x2b0 [ 171.521385][ C1] ? netif_receive_skb_core+0x33/0x2b0 [ 171.521403][ C1] ? __pfx_x25_lapb_receive_frame+0x10/0x10 [ 171.521427][ C1] netif_receive_skb_core+0x2a6/0x2b0 [ 171.521450][ C1] lapbeth_napi_poll+0x45/0x90 [ 171.521494][ C1] __napi_poll+0xae/0x550 [ 171.521517][ C1] net_rx_action+0x621/0xd70 [ 171.521547][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 171.521577][ C1] ? sched_balance_domains+0x770/0x880 [ 171.521608][ C1] handle_softirqs+0x1da/0x6d0 [ 171.521637][ C1] ? smpboot_thread_fn+0x4e/0xa70 [ 171.521661][ C1] run_ktimerd+0x6a/0x100 [ 171.521685][ C1] smpboot_thread_fn+0x565/0xa70 [ 171.521711][ C1] ? smpboot_thread_fn+0x4e/0xa70 [ 171.521741][ C1] kthread+0x38b/0x470 [ 171.521757][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 171.521780][ C1] ? __pfx_kthread+0x10/0x10 [ 171.521797][ C1] ret_from_fork+0x514/0xb70 [ 171.521816][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 171.521831][ C1] ? __switch_to+0xc89/0x1420 [ 171.521857][ C1] ? __pfx_kthread+0x10/0x10 [ 171.521874][ C1] ret_from_fork_asm+0x1a/0x30 [ 171.521902][ C1] [pid 5630] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5612] kill(-5630, SIGKILL) = 0 [pid 5612] kill(5630, SIGKILL [pid 5630] <... connect resumed>) = ? [pid 5612] <... kill resumed>) = 0 [pid 5630] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5630, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2 /* 0.02 s */} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5631 attached , child_tidptr=0x555560bc66d0) = 5631 [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5631] set_robust_list(0x555560bc66e0, 24 [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5631] <... set_robust_list resumed>) = 0 [pid 5631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5631] setpgid(0, 0) = 0 [pid 5631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5631] write(3, "1000", 4) = 4 [pid 5631] close(3) = 0 [pid 5631] write(1, "executing program\n", 18) = 18 executing program [pid 5631] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5631] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5631] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0