./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor37391742 <...> Warning: Permanently added '10.128.0.254' (ED25519) to the list of known hosts. execve("./syz-executor37391742", ["./syz-executor37391742"], 0x7ffcad314480 /* 10 vars */) = 0 brk(NULL) = 0x55555a7d1000 brk(0x55555a7d1d00) = 0x55555a7d1d00 arch_prctl(ARCH_SET_FS, 0x55555a7d1380) = 0 set_tid_address(0x55555a7d1650) = 5837 set_robust_list(0x55555a7d1660, 24) = 0 rseq(0x55555a7d1ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor37391742", 4096) = 26 getrandom("\xf9\x5e\xad\xeb\x78\x33\xde\xf3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555a7d1d00 brk(0x55555a7f2d00) = 0x55555a7f2d00 brk(0x55555a7f3000) = 0x55555a7f3000 mprotect(0x7f1006e23000, 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./strace-static-x86_64: Process 5838 attached [pid 5838] set_robust_list(0x55555a7d1660, 24 [pid 5837] <... clone resumed>, child_tidptr=0x55555a7d1650) = 5838 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] getppid() = 0 [pid 5838] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5838] unshare(CLONE_NEWNS) = 0 [pid 5838] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5838] unshare(CLONE_NEWIPC) = 0 [pid 5838] unshare(CLONE_NEWCGROUP) = 0 [pid 5838] unshare(CLONE_NEWUTS) = 0 [pid 5838] unshare(CLONE_SYSVSEM) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "16777216", 8) = 8 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "536870912", 9) = 9 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1024", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "8192", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1024", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1024", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5838] close(3) = 0 [pid 5838] getpid() = 1 [pid 5838] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 79.936483][ T5838] RSP: 0018:ffffc900036dfb80 EFLAGS: 00010246 [ 79.942562][ T5838] RAX: 000000000000002f RBX: ffffffff8ee4f420 RCX: a34e9511510a5800 [ 79.950570][ T5838] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 79.958571][ T5838] RBP: 1ffff11006a948f0 R08: ffffffff8174e7ec R09: 1ffff110170c519a [ 79.966596][ T5838] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff8880354a4668 [ 79.974580][ T5838] R13: dffffc0000000000 R14: ffffffff8c495a18 R15: ffff8880354a4780 [ 79.982565][ T5838] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 79.991509][ T5838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.998246][ T5838] CR2: 00007f5ca3795ed8 CR3: 000000000e738000 CR4: 00000000003526f0 [ 80.006315][ T5838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.014291][ T5838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.022274][ T5838] Call Trace: [ 80.025582][ T5838] [ 80.028520][ T5838] ? __die_body+0x5f/0xb0 [ 80.032912][ T5838] ? die+0x9e/0xc0 [ 80.036658][ T5838] ? do_trap+0x15a/0x3a0 [ 80.040913][ T5838] ? generic_shutdown_super+0x2ca/0x2d0 [ 80.046483][ T5838] ? do_error_trap+0x1dc/0x2c0 [ 80.051280][ T5838] ? generic_shutdown_super+0x2ca/0x2d0 [ 80.056857][ T5838] ? __pfx_do_error_trap+0x10/0x10 [ 80.061993][ T5838] ? report_bug+0x3e8/0x500 [ 80.066533][ T5838] ? handle_invalid_op+0x34/0x40 [ 80.071535][ T5838] ? generic_shutdown_super+0x2ca/0x2d0 [ 80.077173][ T5838] ? exc_invalid_op+0x38/0x50 [ 80.081903][ T5838] ? asm_exc_invalid_op+0x1a/0x20 [ 80.086961][ T5838] ? __wake_up_klogd+0xcc/0x110 [ 80.091831][ T5838] ? generic_shutdown_super+0x2ca/0x2d0 [ 80.097415][ T5838] kill_block_super+0x44/0x90 [ 80.102134][ T5838] deactivate_locked_super+0xc4/0x130 [ 80.107536][ T5838] cleanup_mnt+0x41f/0x4b0 [ 80.112012][ T5838] ? lockdep_hardirqs_on+0x99/0x150 [ 80.117241][ T5838] task_work_run+0x24f/0x310 [ 80.121878][ T5838] ? kasan_quarantine_put+0xdc/0x230 [ 80.127187][ T5838] ? __pfx_task_work_run+0x10/0x10 [ 80.132315][ T5838] ? do_exit+0xa2a/0x28e0 [ 80.136652][ T5838] ? kmem_cache_free+0x1a2/0x420 [ 80.141599][ T5838] ? do_exit+0xa2a/0x28e0 [ 80.145949][ T5838] do_exit+0xa2f/0x28e0 [ 80.150126][ T5838] ? __pfx_do_exit+0x10/0x10 [ 80.154723][ T5838] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 80.160710][ T5838] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 80.167046][ T5838] ? _raw_spin_unlock_irq+0x23/0x50 [ 80.172259][ T5838] ? lockdep_hardirqs_on+0x99/0x150 [ 80.177480][ T5838] do_group_exit+0x207/0x2c0 [ 80.182080][ T5838] __x64_sys_exit_group+0x3f/0x40 [ 80.187112][ T5838] x64_sys_call+0x26a8/0x26b0 [ 80.191803][ T5838] do_syscall_64+0xf3/0x230 [ 80.196322][ T5838] ? clear_bhb_loop+0x35/0x90 [ 80.201038][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.206941][ T5838] RIP: 0033:0x7f1006da8dc9 [ 80.211390][ T5838] Code: Unable to access opcode bytes at 0x7f1006da8d9f. [ 80.218412][ T5838] RSP: 002b:00007ffead514d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 80.226845][ T5838] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1006da8dc9 [ 80.234988][ T5838] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 80.242982][ T5838] RBP: 00007f1006e29370 R08: ffffffffffffffb8 R09: 0000000000000006 [ 80.251004][ T5838] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1006e29370 [ 80.259009][ T5838] R13: 0000000000000000 R14: 00007f1006e2a0e0 R15: 00007f1006d77090 [ 80.267004][ T5838] [ 80.270025][ T5838] Modules linked in: [ 80.274400][ T5838] ---[ end trace 0000000000000000 ]--- [ 80.282776][ T5838] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 80.289139][ T5838] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 e9 15 ed ff 48 8b 13 48 c7 c7 e0 de 18 8c 4c 89 e6 e8 77 a1 ab 09 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 80.308864][ T5838] RSP: 0018:ffffc900036dfb80 EFLAGS: 00010246 [ 80.314992][ T5838] RAX: 000000000000002f RBX: ffffffff8ee4f420 RCX: a34e9511510a5800 [ 80.323110][ T5838] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 80.331150][ T5838] RBP: 1ffff11006a948f0 R08: ffffffff8174e7ec R09: 1ffff110170c519a [ 80.339161][ T5838] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff8880354a4668 [ 80.347165][ T5838] R13: dffffc0000000000 R14: ffffffff8c495a18 R15: ffff8880354a4780 [ 80.355226][ T5838] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 80.364236][ T5838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.370887][ T5838] CR2: 00007f1006e27130 CR3: 00000000354f4000 CR4: 00000000003526f0 [ 80.378961][ T5838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.386940][ T5838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.394993][ T5838] Kernel panic - not syncing: Fatal exception [ 80.401208][ T5838] Kernel Offset: disabled [ 80.405533][ T5838] Rebooting in 86400 seconds..