./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2274905075 <...> Warning: Permanently added '10.128.1.10' (ED25519) to the list of known hosts. execve("./syz-executor2274905075", ["./syz-executor2274905075"], 0x7ffef2d6c420 /* 10 vars */) = 0 brk(NULL) = 0x555580c0d000 brk(0x555580c0dd40) = 0x555580c0dd40 arch_prctl(ARCH_SET_FS, 0x555580c0d3c0) = 0 set_tid_address(0x555580c0d690) = 5834 set_robust_list(0x555580c0d6a0, 24) = 0 rseq(0x555580c0dce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2274905075", 4096) = 28 getrandom("\x4e\x68\xe7\xff\x0e\x1e\xe4\x0d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555580c0dd40 brk(0x555580c2ed40) = 0x555580c2ed40 brk(0x555580c2f000) = 0x555580c2f000 mprotect(0x7f9b87709000, 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 5835 attached [pid 5835] set_robust_list(0x555580c0d6a0, 24 [pid 5834] <... clone resumed>, child_tidptr=0x555580c0d690) = 5835 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "10000000000", 11) = 11 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "20", 2) = 2 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "1", 1) = 1 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "0", 1) = 1 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "0", 1) = 1 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "1", 1) = 1 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "100", 3) = 3 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "0", 1) = 1 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "0", 1) = 1 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "7 4 1 3", 7) = 7 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "1", 1) = 1 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "1", 1) = 1 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "0", 1) = 1 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "5835", 4) = 4 [pid 5834] close(3) = 0 [pid 5834] kill(5835, SIGKILL) = 0 [pid 5835] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5835, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- chmod("/dev/raw-gadget", 0666) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached [pid 5836] set_robust_list(0x555580c0d6a0, 24 [pid 5834] <... clone resumed>, child_tidptr=0x555580c0d690) = 5836 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5836] getppid() = 0 [pid 5836] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5836] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5836] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5836] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5836] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5836] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5836] unshare(CLONE_NEWNS) = 0 [pid 5836] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5836] unshare(CLONE_NEWIPC) = 0 [pid 5836] unshare(CLONE_NEWCGROUP) = 0 [pid 5836] unshare(CLONE_NEWUTS) = 0 [pid 5836] unshare(CLONE_SYSVSEM) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "16777216", 8) = 8 [pid 5836] close(3) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "536870912", 9) = 9 [pid 5836] close(3) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "1024", 4) = 4 [pid 5836] close(3) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "8192", 4) = 4 [pid 5836] close(3) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "1024", 4) = 4 [pid 5836] close(3) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "1024", 4) = 4 [pid 5836] close(3) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5836] close(3) = 0 [pid 5836] getpid() = 1 [pid 5836] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5852] set_robust_list(0x555580c0d6a0, 24 [pid 5836] <... clone resumed>, child_tidptr=0x555580c0d690) = 2 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1000", 4) = 4 [pid 5852] close(3) = 0 [pid 5852] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5852] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5852] read(200, 0x7ffe8d9cf6f0, 1000) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 5852] write(1, "executing program\n", 18) = 18 [pid 5852] futex(0x7f9b8770f40c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5852] rt_sigaction(SIGRT_1, {sa_handler=0x7f9b876b2dc0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9b876a4bd0}, NULL, 8) = 0 [pid 5852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9b87618000 [pid 5852] mprotect(0x7f9b87619000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9b87638990, parent_tid=0x7f9b87638990, exit_signal=0, stack=0x7f9b87618000, stack_size=0x20300, tls=0x7f9b876386c0}./strace-static-x86_64: Process 5853 attached [pid 5853] rseq(0x7f9b87638fe0, 0x20, 0, 0x53053053) = 0 [pid 5853] set_robust_list(0x7f9b876389a0, 24) = 0 [pid 5852] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] futex(0x7f9b8770f408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] futex(0x7f9b8770f408, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5853] <... futex resumed>) = 0 [pid 5852] futex(0x7f9b8770f40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5853] futex(0x7f9b8770f40c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... futex resumed>) = 0 [pid 5853] <... futex resumed>) = 1 [pid 5852] futex(0x7f9b8770f408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] 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 [pid 5852] <... futex resumed>) = 0 [pid 5852] futex(0x7f9b8770f40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... sendmsg resumed>) = 204 [pid 5853] futex(0x7f9b8770f40c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5853] futex(0x7f9b8770f408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7f9b8770f408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 1 [pid 5853] write(200, "\xaa\xaa\xaa\xaa\xaa\xaa\xff\xff\xff\xff\xff\xff\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x00\x06\xba\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x4e\x29\x44\x43\x42\x41\x44\x43\x42\x41\x60\x16\x00\x01\x42\x96\x00\x00\x02\x02\x00\x00", 58 [pid 5852] futex(0x7f9b8770f40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... write resumed>) = 58 [pid 5853] futex(0x7f9b8770f40c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5853] futex(0x7f9b8770f408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] <... futex resumed>) = 0 [pid 5852] close(3) = 0 [pid 5852] close(4) = -1 EBADF (Bad file descriptor) [pid 5852] close(5) = -1 EBADF (Bad file descriptor) [pid 5852] close(6) = -1 EBADF (Bad file descriptor) [pid 5852] close(7) = -1 EBADF (Bad file descriptor) [pid 5852] close(8) = -1 EBADF (Bad file descriptor) [pid 5852] close(9) = -1 EBADF (Bad file descriptor) [pid 5852] close(10) = -1 EBADF (Bad file descriptor) [pid 5852] close(11) = -1 EBADF (Bad file descriptor) [pid 5852] close(12) = -1 EBADF (Bad file descriptor) [pid 5852] close(13) = -1 EBADF (Bad file descriptor) [pid 5852] close(14) = -1 EBADF (Bad file descriptor) [pid 5852] close(15) = -1 EBADF (Bad file descriptor) [pid 5852] close(16) = -1 EBADF (Bad file descriptor) [pid 5852] close(17) = -1 EBADF (Bad file descriptor) [pid 5852] close(18) = -1 EBADF (Bad file descriptor) [pid 5852] close(19) = -1 EBADF (Bad file descriptor) [pid 5852] close(20) = -1 EBADF (Bad file descriptor) [pid 5852] close(21) = -1 EBADF (Bad file descriptor) [pid 5852] close(22) = -1 EBADF (Bad file descriptor) [pid 5852] close(23) = -1 EBADF (Bad file descriptor) [pid 5852] close(24) = -1 EBADF (Bad file descriptor) [pid 5852] close(25) = -1 EBADF (Bad file descriptor) [pid 5852] close(26) = -1 EBADF (Bad file descriptor) [pid 5852] close(27) = -1 EBADF (Bad file descriptor) [pid 5852] close(28) = -1 EBADF (Bad file descriptor) [pid 5852] close(29) = -1 EBADF (Bad file descriptor) [pid 5852] exit_group(0) = ? [pid 5853] <... futex resumed>) = ? [pid 5853] +++ exited with 0 +++ [pid 5852] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached [pid 5854] set_robust_list(0x555580c0d6a0, 24 [pid 5836] <... clone resumed>, child_tidptr=0x555580c0d690) = 4 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5854] setpgid(0, 0) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "1000", 4) = 4 [pid 5854] close(3) = 0 [pid 5854] read(200, executing program 0x7ffe8d9cf6f0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5854] write(1, "executing program\n", 18) = 18 [pid 5854] futex(0x7f9b8770f40c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] rt_sigaction(SIGRT_1, {sa_handler=0x7f9b876b2dc0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9b876a4bd0}, NULL, 8) = 0 [pid 5854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9b87618000 [pid 5854] mprotect(0x7f9b87619000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9b87638990, parent_tid=0x7f9b87638990, exit_signal=0, stack=0x7f9b87618000, stack_size=0x20300, tls=0x7f9b876386c0}./strace-static-x86_64: Process 5855 attached [pid 5855] rseq(0x7f9b87638fe0, 0x20, 0, 0x53053053) = 0 [pid 5855] set_robust_list(0x7f9b876389a0, 24 [pid 5854] <... clone3 resumed> => {parent_tid=[5]}, 88) = 5 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] futex(0x7f9b8770f408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] futex(0x7f9b8770f408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5854] <... futex resumed>) = 0 [pid 5855] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5854] futex(0x7f9b8770f40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... socket resumed>) = 3 [pid 5855] futex(0x7f9b8770f40c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5855] <... futex resumed>) = 1 [pid 5855] futex(0x7f9b8770f408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] futex(0x7f9b8770f408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 1 [pid 5855] 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 [pid 5854] futex(0x7f9b8770f40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... sendmsg resumed>) = 204 [pid 5855] futex(0x7f9b8770f40c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5855] futex(0x7f9b8770f408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] futex(0x7f9b8770f408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5854] <... futex resumed>) = 0 [pid 5855] write(200, "\xaa\xaa\xaa\xaa\xaa\xaa\xff\xff\xff\xff\xff\xff\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x00\x06\xba\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x4e\x29\x44\x43\x42\x41\x44\x43\x42\x41\x60\x16\x00\x01\x42\x96\x00\x00\x02\x02\x00\x00", 58 [pid 5854] futex(0x7f9b8770f40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... write resumed>) = 58 [pid 5855] futex(0x7f9b8770f40c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5855] futex(0x7f9b8770f408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] <... futex resumed>) = 0 [pid 5854] close(3) = 0 [pid 5854] close(4) = -1 EBADF (Bad file descriptor) [pid 5854] close(5) = -1 EBADF (Bad file descriptor) [pid 5854] close(6) = -1 EBADF (Bad file descriptor) [pid 5854] close(7) = -1 EBADF (Bad file descriptor) [pid 5854] close(8) = -1 EBADF (Bad file descriptor) [pid 5854] close(9) = -1 EBADF (Bad file descriptor) [pid 5854] close(10) = -1 EBADF (Bad file descriptor) [pid 5854] close(11) = -1 EBADF (Bad file descriptor) [pid 5854] close(12) = -1 EBADF (Bad file descriptor) [pid 5854] close(13) = -1 EBADF (Bad file descriptor) [pid 5854] close(14) = -1 EBADF (Bad file descriptor) [pid 5854] close(15) = -1 EBADF (Bad file descriptor) [pid 5854] close(16) = -1 EBADF (Bad file descriptor) [pid 5854] close(17) = -1 EBADF (Bad file descriptor) [pid 5854] close(18) = -1 EBADF (Bad file descriptor) [pid 5854] close(19) = -1 EBADF (Bad file descriptor) [pid 5854] close(20) = -1 EBADF (Bad file descriptor) [pid 5854] close(21) = -1 EBADF (Bad file descriptor) [pid 5854] close(22) = -1 EBADF (Bad file descriptor) [pid 5854] close(23) = -1 EBADF (Bad file descriptor) [pid 5854] close(24) = -1 EBADF (Bad file descriptor) [pid 5854] close(25) = -1 EBADF (Bad file descriptor) [pid 5854] close(26) = -1 EBADF (Bad file descriptor) [pid 5854] close(27) = -1 EBADF (Bad file descriptor) [pid 5854] close(28) = -1 EBADF (Bad file descriptor) [pid 5854] close(29) = -1 EBADF (Bad file descriptor) [pid 5854] exit_group(0) = ? [pid 5855] <... futex resumed>) = ? [pid 5855] +++ exited with 0 +++ [pid 5854] +++ exited with 0 +++ [pid 5836] --- 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 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555580c0d690) = 6 ./strace-static-x86_64: Process 5856 attached [ 100.605019][ T5850] sched: DL replenish lagged too much executing program [pid 5856] set_robust_list(0x555580c0d6a0, 24) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5856] setpgid(0, 0) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1000", 4) = 4 [pid 5856] close(3) = 0 [pid 5856] read(200, 0x7ffe8d9cf6f0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] write(1, "executing program\n", 18) = 18 [pid 5856] futex(0x7f9b8770f40c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5856] rt_sigaction(SIGRT_1, {sa_handler=0x7f9b876b2dc0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9b876a4bd0}, NULL, 8) = 0 [pid 5856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9b87618000 [pid 5856] mprotect(0x7f9b87619000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9b87638990, parent_tid=0x7f9b87638990, exit_signal=0, stack=0x7f9b87618000, stack_size=0x20300, tls=0x7f9b876386c0} [pid 5836] kill(-6, SIGKILL) = 0 [pid 5836] kill(6, SIGKILL) = 0 ./strace-static-x86_64: Process 5857 attached [pid 5857] +++ killed by SIGKILL +++ [pid 5856] <... clone3 resumed> ) = ? [pid 5856] +++ killed by SIGKILL +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555580c0d690) = 8 ./strace-static-x86_64: Process 5860 attached [pid 5860] set_robust_list(0x555580c0d6a0, 24) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5860] setpgid(0, 0) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] kill(-8, SIGKILL) = 0 [pid 5836] kill(8, SIGKILL) = 0 [ 326.011074][ T31] INFO: task kworker/0:2:919 blocked for more than 158 seconds. [ 326.056383][ T31] Not tainted 6.15.0-rc5-syzkaller-00148-g9d8a99c5a7c7 #0 [ 326.674061][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.