./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor111295876 <...> Warning: Permanently added '10.128.10.46' (ED25519) to the list of known hosts. execve("./syz-executor111295876", ["./syz-executor111295876"], 0x7ffee1807850 /* 10 vars */) = 0 brk(NULL) = 0x555562d55000 brk(0x555562d55d00) = 0x555562d55d00 arch_prctl(ARCH_SET_FS, 0x555562d55380) = 0 set_tid_address(0x555562d55650) = 5877 set_robust_list(0x555562d55660, 24) = 0 rseq(0x555562d55ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor111295876", 4096) = 27 getrandom("\x82\x4f\x17\xdf\xeb\xc6\xd8\x25", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555562d55d00 brk(0x555562d76d00) = 0x555562d76d00 brk(0x555562d77000) = 0x555562d77000 mprotect(0x7f8d8b9fb000, 16384, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5878 attached , child_tidptr=0x555562d55650) = 5878 [pid 5878] set_robust_list(0x555562d55660, 24 [pid 5877] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC [pid 5878] <... set_robust_list resumed>) = 0 [pid 5877] <... openat resumed>) = 3 [pid 5877] write(3, "10000000000", 11) = 11 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "20", 2) = 2 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1", 1) = 1 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "0", 1) = 1 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "0", 1) = 1 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1", 1) = 1 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "100", 3) = 3 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "0", 1) = 1 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "0", 1) = 1 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "7 4 1 3", 7) = 7 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1", 1) = 1 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1", 1) = 1 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "0", 1) = 1 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "5878", 4) = 4 [pid 5877] close(3) = 0 [pid 5877] kill(5878, SIGKILL) = 0 [pid 5878] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5878, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5879 attached , child_tidptr=0x555562d55650) = 5879 [pid 5879] set_robust_list(0x555562d55660, 24) = 0 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5879] getppid() = 0 [pid 5879] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5879] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5879] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5879] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5879] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5879] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5879] unshare(CLONE_NEWNS) = 0 [pid 5879] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5879] unshare(CLONE_NEWIPC) = 0 [pid 5879] unshare(CLONE_NEWCGROUP) = 0 [pid 5879] unshare(CLONE_NEWUTS) = 0 [pid 5879] unshare(CLONE_SYSVSEM) = 0 [pid 5879] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "16777216", 8) = 8 [pid 5879] close(3) = 0 [pid 5879] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "536870912", 9) = 9 [pid 5879] close(3) = 0 [pid 5879] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "1024", 4) = 4 [pid 5879] close(3) = 0 [pid 5879] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "8192", 4) = 4 [pid 5879] close(3) = 0 [pid 5879] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "1024", 4) = 4 [pid 5879] close(3) = 0 [pid 5879] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "1024", 4) = 4 [pid 5879] close(3) = 0 [pid 5879] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5879] close(3) = 0 [pid 5879] getpid() = 1 [pid 5879] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5897 attached [pid 5897] set_robust_list(0x555562d55660, 24) = 0 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5879] <... clone resumed>, child_tidptr=0x555562d55650) = 3 [pid 5897] setpgid(0, 0) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5897] write(3, "1000", 4) = 4 [pid 5897] close(3) = 0 [pid 5897] read(200, 0x7ffd55f7e7a0, 1000) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 5897] write(1, "executing program\n", 18) = 18 [pid 5897] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5897] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204 [pid 5897] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x00\x06\xba\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x60\xc2\x00\x01\x4c\x50\x00\x00\xfe\x04\xf9\x89", 58) = 58 [pid 5897] close(3) = 0 [pid 5897] close(4) = -1 EBADF (Bad file descriptor) [pid 5897] close(5) = -1 EBADF (Bad file descriptor) [pid 5897] close(6) = -1 EBADF (Bad file descriptor) [pid 5897] close(7) = -1 EBADF (Bad file descriptor) [pid 5897] close(8) = -1 EBADF (Bad file descriptor) [pid 5897] close(9) = -1 EBADF (Bad file descriptor) [pid 5897] close(10) = -1 EBADF (Bad file descriptor) [pid 5897] close(11) = -1 EBADF (Bad file descriptor) [pid 5897] close(12) = -1 EBADF (Bad file descriptor) [pid 5897] close(13) = -1 EBADF (Bad file descriptor) [pid 5897] close(14) = -1 EBADF (Bad file descriptor) [pid 5897] close(15) = -1 EBADF (Bad file descriptor) [pid 5897] close(16) = -1 EBADF (Bad file descriptor) [pid 5897] close(17) = -1 EBADF (Bad file descriptor) [pid 5897] close(18) = -1 EBADF (Bad file descriptor) [pid 5897] close(19) = -1 EBADF (Bad file descriptor) [pid 5897] close(20) = -1 EBADF (Bad file descriptor) [pid 5897] close(21) = -1 EBADF (Bad file descriptor) [pid 5897] close(22) = -1 EBADF (Bad file descriptor) [pid 5897] close(23) = -1 EBADF (Bad file descriptor) [pid 5897] close(24) = -1 EBADF (Bad file descriptor) [pid 5897] close(25) = -1 EBADF (Bad file descriptor) [pid 5897] close(26) = -1 EBADF (Bad file descriptor) [pid 5897] close(27) = -1 EBADF (Bad file descriptor) [pid 5897] close(28) = -1 EBADF (Bad file descriptor) [pid 5897] close(29) = -1 EBADF (Bad file descriptor) [pid 5897] exit_group(0) = ? [pid 5897] +++ exited with 0 +++ [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555562d55650) = 4 ./strace-static-x86_64: Process 5898 attached executing program [pid 5898] set_robust_list(0x555562d55660, 24) = 0 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5898] setpgid(0, 0) = 0 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5898] write(3, "1000", 4) = 4 [pid 5898] close(3) = 0 [pid 5898] read(200, 0x7ffd55f7e7a0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] write(1, "executing program\n", 18) = 18 [pid 5898] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [ 214.117094][ C1] sched: DL replenish lagged too much [pid 5898] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204 [pid 5898] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x00\x06\xba\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x60\xc2\x00\x01\x4c\x50\x00\x00\xfe\x04\xf9\x89", 58) = 58 [pid 5898] close(3) = 0 [pid 5898] close(4) = -1 EBADF (Bad file descriptor) [pid 5898] close(5) = -1 EBADF (Bad file descriptor) [pid 5898] close(6) = -1 EBADF (Bad file descriptor) [pid 5898] close(7) = -1 EBADF (Bad file descriptor) [pid 5898] close(8) = -1 EBADF (Bad file descriptor) [pid 5898] close(9) = -1 EBADF (Bad file descriptor) [pid 5898] close(10) = -1 EBADF (Bad file descriptor) [pid 5898] close(11) = -1 EBADF (Bad file descriptor) executing program [pid 5898] close(12) = -1 EBADF (Bad file descriptor) [pid 5898] close(13) = -1 EBADF (Bad file descriptor) [pid 5898] close(14) = -1 EBADF (Bad file descriptor) [pid 5898] close(15) = -1 EBADF (Bad file descriptor) [pid 5898] close(16) = -1 EBADF (Bad file descriptor) [pid 5898] close(17) = -1 EBADF (Bad file descriptor) [pid 5898] close(18) = -1 EBADF (Bad file descriptor) [pid 5898] close(19) = -1 EBADF (Bad file descriptor) [pid 5898] close(20) = -1 EBADF (Bad file descriptor) [pid 5898] close(21) = -1 EBADF (Bad file descriptor) [pid 5898] close(22) = -1 EBADF (Bad file descriptor) [pid 5898] close(23) = -1 EBADF (Bad file descriptor) [pid 5898] close(24) = -1 EBADF (Bad file descriptor) [pid 5898] close(25) = -1 EBADF (Bad file descriptor) [pid 5898] close(26) = -1 EBADF (Bad file descriptor) [pid 5898] close(27) = -1 EBADF (Bad file descriptor) [pid 5898] close(28) = -1 EBADF (Bad file descriptor) [pid 5898] close(29) = -1 EBADF (Bad file descriptor) [pid 5898] exit_group(0) = ? [pid 5898] +++ exited with 0 +++ [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5879] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555562d55650) = 5 ./strace-static-x86_64: Process 5899 attached [pid 5899] set_robust_list(0x555562d55660, 24) = 0 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5899] setpgid(0, 0) = 0 [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5899] write(3, "1000", 4) = 4 [pid 5899] close(3) = 0 [pid 5899] read(200, 0x7ffd55f7e7a0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5899] write(1, "executing program\n", 18) = 18 [pid 5899] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5899] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204 [pid 5899] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x00\x06\xba\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x60\xc2\x00\x01\x4c\x50\x00\x00\xfe\x04\xf9\x89", 58 [pid 5879] kill(-5, SIGKILL) = 0 [pid 5879] kill(5, SIGKILL) = 0 [pid 5899] <... write resumed>) = ? [pid 5899] +++ killed by SIGKILL +++ [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555562d55650) = 6 ./strace-static-x86_64: Process 5901 attached [pid 5901] set_robust_list(0x555562d55660, 24) = 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5901] setpgid(0, 0) = 0 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5901] write(3, "1000", 4) = 4 [pid 5901] close(3) = 0 [pid 5901] read(200, 0x7ffd55f7e7a0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5901] write(1, "executing program\n", 18) = 18 [pid 5901] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5879] kill(-6, SIGKILL) = 0 [pid 5879] kill(6, SIGKILL) = 0 [pid 5901] <... socket resumed>) = ? [pid 5901] +++ killed by SIGKILL +++ [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555562d55650) = 7 ./strace-static-x86_64: Process 5902 attached [pid 5902] set_robust_list(0x555562d55660, 24) = 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5902] setpgid(0, 0) = 0 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] kill(-7, SIGKILL) = 0 [pid 5879] kill(7, SIGKILL) = 0 [pid 5902] <... openat resumed>) = ? [pid 5902] +++ killed by SIGKILL +++ [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555562d55650) = 8 ./strace-static-x86_64: Process 5905 attached [pid 5905] set_robust_list(0x555562d55660, 24) = 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5905] setpgid(0, 0) = 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] kill(-8, SIGKILL) = 0 [pid 5879] kill(8, SIGKILL) = 0 [pid 5905] <... openat resumed>) = ? [pid 5905] +++ killed by SIGKILL +++ [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555562d55650) = 9 ./strace-static-x86_64: Process 5907 attached [pid 5907] set_robust_list(0x555562d55660, 24) = 0 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5907] setpgid(0, 0) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] kill(-9, SIGKILL) = 0 [pid 5879] kill(9, SIGKILL) = 0 [pid 5907] <... openat resumed>) = ? [pid 5907] +++ killed by SIGKILL +++ [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555562d55650) = 10 ./strace-static-x86_64: Process 5908 attached [pid 5908] set_robust_list(0x555562d55660, 24) = 0 [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5908] setpgid(0, 0) = 0 [pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] kill(-10, SIGKILL) = 0 [pid 5879] kill(10, SIGKILL) = 0 [pid 5908] <... openat resumed>) = ? [pid 5908] +++ killed by SIGKILL +++ [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555562d55650) = 11 ./strace-static-x86_64: Process 5912 attached [pid 5912] set_robust_list(0x555562d55660, 24) = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5912] setpgid(0, 0) = 0 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] kill(-11, SIGKILL) = 0 [pid 5879] kill(11, SIGKILL) = 0 [pid 5912] <... openat resumed>) = ? [pid 5912] +++ killed by SIGKILL +++ [pid 5879] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [ 438.677799][ T31] INFO: task kworker/1:2:3580 blocked for more than 143 seconds. [ 438.685648][ T31] Not tainted 6.16.0-rc5-syzkaller-00187-gb640daa2822a #0 [pid 5879] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5915 attached , child_tidptr=0x555562d55650) = 12 [pid 5915] set_robust_list(0x555562d55660, 24) = 0 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5915] setpgid(0, 0) = 0 [ 442.697492][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 442.706236][ T31] task:kworker/1:2 state:D stack:23432 pid:3580 tgid:3580 ppid:2 task_flags:0x4208060 flags:0x00004000 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] kill(-12, SIGKILL) = 0 [pid 5879] kill(12, SIGKILL) = 0 [ 447.435725][ T31] Workqueue: events_power_efficient reg_check_chans_work [ 447.455910][ T31] Call Trace: