./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3898972616 <...> Warning: Permanently added '10.128.0.14' (ED25519) to the list of known hosts. execve("./syz-executor3898972616", ["./syz-executor3898972616"], 0x7ffdc0dd0e40 /* 10 vars */) = 0 brk(NULL) = 0x555569836000 brk(0x555569836d00) = 0x555569836d00 arch_prctl(ARCH_SET_FS, 0x555569836380) = 0 set_tid_address(0x555569836650) = 5827 set_robust_list(0x555569836660, 24) = 0 rseq(0x555569836ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3898972616", 4096) = 28 getrandom("\x11\xa1\x5f\xfa\xbb\x9c\xe4\x2e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555569836d00 brk(0x555569857d00) = 0x555569857d00 brk(0x555569858000) = 0x555569858000 mprotect(0x7fc7d9b29000, 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 5828 attached [pid 5828] set_robust_list(0x555569836660, 24 [pid 5827] <... clone resumed>, child_tidptr=0x555569836650) = 5828 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5828] getppid() = 0 [pid 5828] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5828] unshare(CLONE_NEWNS) = 0 [pid 5828] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5828] unshare(CLONE_NEWIPC) = 0 [pid 5828] unshare(CLONE_NEWCGROUP) = 0 [pid 5828] unshare(CLONE_NEWUTS) = 0 [pid 5828] unshare(CLONE_SYSVSEM) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "16777216", 8) = 8 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "536870912", 9) = 9 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "8192", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5828] close(3) = 0 [pid 5828] getpid() = 1 [pid 5828] 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 [ 61.714962][ T5828] RSP: 0018:ffffc90003ca7b80 EFLAGS: 00010246 [ 61.721022][ T5828] RAX: 000000000000002f RBX: ffffffff8ee531e0 RCX: 348f94c6b7511e00 [ 61.728995][ T5828] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 61.736950][ T5828] RBP: 1ffff1100f9160f0 R08: ffffffff8174a12c R09: fffffbfff1cf9fd0 [ 61.745075][ T5828] R10: dffffc0000000000 R11: fffffbfff1cf9fd0 R12: ffff88807c8b0668 [ 61.753042][ T5828] R13: dffffc0000000000 R14: ffffffff8c49f858 R15: ffff88807c8b0780 [ 61.760999][ T5828] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 61.769914][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.776480][ T5828] CR2: 00007f0c89b95ed8 CR3: 0000000033afe000 CR4: 00000000003526f0 [ 61.784434][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.792403][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.800368][ T5828] Call Trace: [ 61.803634][ T5828] [ 61.806556][ T5828] ? __die_body+0x5f/0xb0 [ 61.810903][ T5828] ? die+0x9e/0xc0 [ 61.814604][ T5828] ? do_trap+0x15a/0x3a0 [ 61.818834][ T5828] ? generic_shutdown_super+0x2ca/0x2d0 [ 61.824370][ T5828] ? do_error_trap+0x1dc/0x2c0 [ 61.829122][ T5828] ? generic_shutdown_super+0x2ca/0x2d0 [ 61.834653][ T5828] ? __pfx_do_error_trap+0x10/0x10 [ 61.839749][ T5828] ? report_bug+0x3e8/0x500 [ 61.844244][ T5828] ? handle_invalid_op+0x34/0x40 [ 61.849168][ T5828] ? generic_shutdown_super+0x2ca/0x2d0 [ 61.854716][ T5828] ? exc_invalid_op+0x38/0x50 [ 61.859396][ T5828] ? asm_exc_invalid_op+0x1a/0x20 [ 61.864427][ T5828] ? __wake_up_klogd+0xcc/0x110 [ 61.869280][ T5828] ? generic_shutdown_super+0x2ca/0x2d0 [ 61.874813][ T5828] kill_block_super+0x44/0x90 [ 61.879475][ T5828] deactivate_locked_super+0xc4/0x130 [ 61.884829][ T5828] cleanup_mnt+0x41f/0x4b0 [ 61.889227][ T5828] ? lockdep_hardirqs_on+0x99/0x150 [ 61.894415][ T5828] task_work_run+0x24f/0x310 [ 61.899011][ T5828] ? kasan_quarantine_put+0xdc/0x230 [ 61.904280][ T5828] ? __pfx_task_work_run+0x10/0x10 [ 61.909380][ T5828] ? do_exit+0xa2a/0x28e0 [ 61.913695][ T5828] ? kmem_cache_free+0x1a2/0x420 [ 61.918615][ T5828] ? do_exit+0xa2a/0x28e0 [ 61.922946][ T5828] do_exit+0xa2f/0x28e0 [ 61.927085][ T5828] ? __pfx_do_exit+0x10/0x10 [ 61.931677][ T5828] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 61.937665][ T5828] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.943983][ T5828] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.949166][ T5828] ? lockdep_hardirqs_on+0x99/0x150 [ 61.954380][ T5828] do_group_exit+0x207/0x2c0 [ 61.958986][ T5828] __x64_sys_exit_group+0x3f/0x40 [ 61.964036][ T5828] x64_sys_call+0x2634/0x2640 [ 61.968722][ T5828] do_syscall_64+0xf3/0x230 [ 61.973214][ T5828] ? clear_bhb_loop+0x35/0x90 [ 61.977873][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.983770][ T5828] RIP: 0033:0x7fc7d9aaea89 [ 61.988181][ T5828] Code: Unable to access opcode bytes at 0x7fc7d9aaea5f. [ 61.995179][ T5828] RSP: 002b:00007ffce7e8c448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 62.003592][ T5828] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc7d9aaea89 [ 62.011553][ T5828] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 62.019509][ T5828] RBP: 00007fc7d9b2f2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 62.027489][ T5828] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc7d9b2f2b0 [ 62.035441][ T5828] R13: 0000000000000000 R14: 00007fc7d9b30020 R15: 00007fc7d9a7cfb0 [ 62.043399][ T5828] [ 62.046399][ T5828] Modules linked in: [ 62.050541][ T5828] ---[ end trace 0000000000000000 ]--- [ 62.058418][ T5828] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 62.064629][ T5828] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 f9 23 ed ff 48 8b 13 48 c7 c7 c0 bf 18 8c 4c 89 e6 e8 87 6f ad 09 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 62.084333][ T5828] RSP: 0018:ffffc90003ca7b80 EFLAGS: 00010246 [ 62.090607][ T5828] RAX: 000000000000002f RBX: ffffffff8ee531e0 RCX: 348f94c6b7511e00 [ 62.098707][ T5828] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 62.106758][ T5828] RBP: 1ffff1100f9160f0 R08: ffffffff8174a12c R09: fffffbfff1cf9fd0 [ 62.114767][ T5828] R10: dffffc0000000000 R11: fffffbfff1cf9fd0 R12: ffff88807c8b0668 [ 62.123037][ T5828] R13: dffffc0000000000 R14: ffffffff8c49f858 R15: ffff88807c8b0780 [ 62.131086][ T5828] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 62.140122][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.146805][ T5828] CR2: 00007f0c89b95ed8 CR3: 0000000033afe000 CR4: 00000000003526f0 [ 62.154819][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.162911][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.170930][ T5828] Kernel panic - not syncing: Fatal exception [ 62.177223][ T5828] Kernel Offset: disabled [ 62.181539][ T5828] Rebooting in 86400 seconds..