./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1337292421 <...> Warning: Permanently added '10.128.1.204' (ED25519) to the list of known hosts. execve("./syz-executor1337292421", ["./syz-executor1337292421"], 0x7ffcdc61b850 /* 10 vars */) = 0 brk(NULL) = 0x555581d76000 brk(0x555581d76d00) = 0x555581d76d00 arch_prctl(ARCH_SET_FS, 0x555581d76380) = 0 set_tid_address(0x555581d76650) = 5219 set_robust_list(0x555581d76660, 24) = 0 rseq(0x555581d76ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1337292421", 4096) = 28 getrandom("\x40\xc3\xfa\xd2\x71\x2f\x88\x93", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555581d76d00 brk(0x555581d97d00) = 0x555581d97d00 brk(0x555581d98000) = 0x555581d98000 mprotect(0x7fe9d0048000, 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 5220 attached [pid 5220] set_robust_list(0x555581d76660, 24 [pid 5219] <... clone resumed>, child_tidptr=0x555581d76650) = 5220 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5220] setsid() = 1 [pid 5220] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5220] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5220] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5220] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5220] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5220] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5220] unshare(CLONE_NEWNS) = 0 [pid 5220] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5220] unshare(CLONE_NEWIPC) = 0 [pid 5220] unshare(CLONE_NEWCGROUP) = 0 [pid 5220] unshare(CLONE_NEWUTS) = 0 [pid 5220] unshare(CLONE_SYSVSEM) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "16777216", 8) = 8 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "536870912", 9) = 9 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1024", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "8192", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1024", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1024", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5220] close(3) = 0 [pid 5220] getpid() = 1 [pid 5220] 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 [ 55.874385][ T5220] RSP: 0018:ffffc90003e87b80 EFLAGS: 00010246 [ 55.880462][ T5220] RAX: 000000000000002f RBX: ffffffff8ee52a60 RCX: 6458c1ba0c5a1300 [ 55.888429][ T5220] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 55.896395][ T5220] RBP: 1ffff11005b2a4f0 R08: ffffffff8174af9c R09: 1ffff110170e519a [ 55.904379][ T5220] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88802d952668 [ 55.912355][ T5220] R13: dffffc0000000000 R14: ffffffff8c49f1d8 R15: ffff88802d952780 [ 55.920329][ T5220] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 55.929255][ T5220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.935838][ T5220] CR2: 00007fe9d004c130 CR3: 00000000317d2000 CR4: 00000000003526f0 [ 55.943807][ T5220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.951772][ T5220] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.959734][ T5220] Call Trace: [ 55.963007][ T5220] [ 55.965933][ T5220] ? __die_body+0x5f/0xb0 [ 55.970278][ T5220] ? die+0x9e/0xc0 [ 55.973999][ T5220] ? do_trap+0x15a/0x3a0 [ 55.978272][ T5220] ? generic_shutdown_super+0x2ca/0x2d0 [ 55.983838][ T5220] ? do_error_trap+0x1dc/0x2c0 [ 55.988621][ T5220] ? generic_shutdown_super+0x2ca/0x2d0 [ 55.994162][ T5220] ? __pfx_do_error_trap+0x10/0x10 [ 55.999271][ T5220] ? report_bug+0x3e8/0x500 [ 56.003782][ T5220] ? handle_invalid_op+0x34/0x40 [ 56.008715][ T5220] ? generic_shutdown_super+0x2ca/0x2d0 [ 56.014251][ T5220] ? exc_invalid_op+0x38/0x50 [ 56.018924][ T5220] ? asm_exc_invalid_op+0x1a/0x20 [ 56.023949][ T5220] ? __wake_up_klogd+0xcc/0x110 [ 56.028794][ T5220] ? generic_shutdown_super+0x2ca/0x2d0 [ 56.034333][ T5220] kill_block_super+0x44/0x90 [ 56.039007][ T5220] deactivate_locked_super+0xc4/0x130 [ 56.044371][ T5220] cleanup_mnt+0x41f/0x4b0 [ 56.048775][ T5220] ? lockdep_hardirqs_on+0x99/0x150 [ 56.053969][ T5220] task_work_run+0x24f/0x310 [ 56.058551][ T5220] ? kasan_quarantine_put+0xdc/0x230 [ 56.063833][ T5220] ? __pfx_task_work_run+0x10/0x10 [ 56.068937][ T5220] ? do_exit+0xa2a/0x28e0 [ 56.073266][ T5220] ? kmem_cache_free+0x1a2/0x420 [ 56.078195][ T5220] ? do_exit+0xa2a/0x28e0 [ 56.082521][ T5220] do_exit+0xa2f/0x28e0 [ 56.086759][ T5220] ? __pfx_do_exit+0x10/0x10 [ 56.091338][ T5220] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 56.097316][ T5220] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 56.103641][ T5220] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.108831][ T5220] ? lockdep_hardirqs_on+0x99/0x150 [ 56.114029][ T5220] do_group_exit+0x207/0x2c0 [ 56.118615][ T5220] __x64_sys_exit_group+0x3f/0x40 [ 56.123724][ T5220] x64_sys_call+0x2634/0x2640 [ 56.128396][ T5220] do_syscall_64+0xf3/0x230 [ 56.132893][ T5220] ? clear_bhb_loop+0x35/0x90 [ 56.137562][ T5220] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.143463][ T5220] RIP: 0033:0x7fe9cffcda49 [ 56.147880][ T5220] Code: Unable to access opcode bytes at 0x7fe9cffcda1f. [ 56.154980][ T5220] RSP: 002b:00007fff58d20b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.163385][ T5220] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe9cffcda49 [ 56.171372][ T5220] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.179345][ T5220] RBP: 00007fe9d004e2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 56.187310][ T5220] R10: 00007fff58d20ac0 R11: 0000000000000246 R12: 00007fe9d004e2b0 [ 56.195275][ T5220] R13: 0000000000000000 R14: 00007fe9d004f020 R15: 00007fe9cff9bfa0 [ 56.203247][ T5220] [ 56.206276][ T5220] Modules linked in: [ 56.210513][ T5220] ---[ end trace 0000000000000000 ]--- [ 56.217075][ T5220] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 56.223289][ T5220] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 39 28 ed ff 48 8b 13 48 c7 c7 40 bd 18 8c 4c 89 e6 e8 27 cb 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 [ 56.243242][ T5220] RSP: 0018:ffffc90003e87b80 EFLAGS: 00010246 [ 56.249491][ T5220] RAX: 000000000000002f RBX: ffffffff8ee52a60 RCX: 6458c1ba0c5a1300 [ 56.257559][ T5220] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 56.265609][ T5220] RBP: 1ffff11005b2a4f0 R08: ffffffff8174af9c R09: 1ffff110170e519a [ 56.273604][ T5220] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88802d952668 [ 56.281665][ T5220] R13: dffffc0000000000 R14: ffffffff8c49f1d8 R15: ffff88802d952780 [ 56.289692][ T5220] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 56.298710][ T5220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.305357][ T5220] CR2: 000055b5fd9070d8 CR3: 00000000317d2000 CR4: 00000000003526f0 [ 56.313339][ T5220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.321381][ T5220] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.329400][ T5220] Kernel panic - not syncing: Fatal exception [ 56.335590][ T5220] Kernel Offset: disabled [ 56.339896][ T5220] Rebooting in 86400 seconds..