./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3504860488 <...> Warning: Permanently added '10.128.0.74' (ECDSA) to the list of known hosts. execve("./syz-executor3504860488", ["./syz-executor3504860488"], 0x7ffc39a2e670 /* 10 vars */) = 0 brk(NULL) = 0x555556cd0000 brk(0x555556cd0c40) = 0x555556cd0c40 arch_prctl(ARCH_SET_FS, 0x555556cd0300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3504860488", 4096) = 28 brk(0x555556cf1c40) = 0x555556cf1c40 brk(0x555556cf2000) = 0x555556cf2000 mprotect(0x7f87c9587000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cd05d0) = 5008 ./strace-static-x86_64: Process 5008 attached [pid 5008] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5008] setsid() = 1 [pid 5008] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5008] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5008] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5008] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5008] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5008] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5008] unshare(CLONE_NEWNS) = 0 [pid 5008] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5008] unshare(CLONE_NEWIPC) = 0 [pid 5008] unshare(CLONE_NEWCGROUP) = 0 [pid 5008] unshare(CLONE_NEWUTS) = 0 [pid 5008] unshare(CLONE_SYSVSEM) = 0 [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] write(3, "16777216", 8) = 8 [pid 5008] close(3) = 0 [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] write(3, "536870912", 9) = 9 [pid 5008] close(3) = 0 [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] write(3, "1024", 4) = 4 [pid 5008] close(3) = 0 [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] write(3, "8192", 4) = 4 [pid 5008] close(3) = 0 [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] write(3, "1024", 4) = 4 [pid 5008] close(3) = 0 [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] write(3, "1024", 4) = 4 [pid 5008] close(3) = 0 [pid 5008] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5008] close(3) = 0 [pid 5008] getpid() = 1 [pid 5008] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 147.183268][ T5034] dump_stack_lvl+0x1c8/0x260 [ 147.188152][ T5034] dump_stack+0x1a/0x20 [ 147.192595][ T5034] panic+0x4d3/0xc70 [ 147.196715][ T5034] ? add_taint+0x104/0x1a0 [ 147.201435][ T5034] kmsan_report+0x2cc/0x2d0 [ 147.206703][ T5034] ? preempt_count_sub+0x7d/0x280 [ 147.211892][ T5034] ? __msan_warning+0x92/0x110 [ 147.216820][ T5034] ? aio_write+0x899/0x950 [ 147.221421][ T5034] ? io_submit_one+0x1d1c/0x3bf0 [ 147.226535][ T5034] ? __se_sys_io_submit+0x293/0x770 [ 147.231873][ T5034] ? __x64_sys_io_submit+0x92/0xd0 [ 147.237265][ T5034] ? do_syscall_64+0x3d/0xb0 [ 147.242104][ T5034] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 147.248306][ T5034] ? _raw_spin_unlock_bh+0x29/0x30 [ 147.253563][ T5034] ? release_sock+0x1cd/0x1e0 [ 147.258502][ T5034] ? kmsan_internal_memmove_metadata+0x200/0x350 [ 147.265015][ T5034] ? __msan_memcpy+0x104/0x1b0 [ 147.270096][ T5034] ? sock_write_iter+0x50d/0x5e0 [ 147.275206][ T5034] __msan_warning+0x92/0x110 [ 147.279939][ T5034] aio_write+0x899/0x950 [ 147.284327][ T5034] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 147.290246][ T5034] io_submit_one+0x1d1c/0x3bf0 [ 147.295146][ T5034] ? preempt_count_sub+0x7d/0x280 [ 147.300371][ T5034] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 147.306298][ T5034] __se_sys_io_submit+0x293/0x770 [ 147.311479][ T5034] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 147.317449][ T5034] __x64_sys_io_submit+0x92/0xd0 [ 147.322565][ T5034] do_syscall_64+0x3d/0xb0 [ 147.327183][ T5034] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 147.333253][ T5034] RIP: 0033:0x7f87c9513c39 [ 147.337798][ T5034] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 147.357545][ T5034] RSP: 002b:00007ffece953408 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 147.366104][ T5034] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f87c9513c39 [ 147.374159][ T5034] RDX: 0000000020000100 RSI: 0000000000000001 RDI: 00007f87c94c7000 [ 147.382210][ T5034] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 147.390263][ T5034] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffece953420 [ 147.398353][ T5034] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 147.406690][ T5034] [ 147.410023][ T5034] Kernel Offset: disabled [ 147.414409][ T5034] Rebooting in 86400 seconds..