./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor471718900 <...> Warning: Permanently added '10.128.1.57' (ED25519) to the list of known hosts. execve("./syz-executor471718900", ["./syz-executor471718900"], 0x7ffc4aba0d40 /* 10 vars */) = 0 brk(NULL) = 0x55556f584000 brk(0x55556f584d00) = 0x55556f584d00 arch_prctl(ARCH_SET_FS, 0x55556f584380) = 0 set_tid_address(0x55556f584650) = 5832 set_robust_list(0x55556f584660, 24) = 0 rseq(0x55556f584ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor471718900", 4096) = 27 getrandom("\x5f\x95\xde\x86\xb8\xaa\xb6\x2a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556f584d00 brk(0x55556f5a5d00) = 0x55556f5a5d00 brk(0x55556f5a6000) = 0x55556f5a6000 mprotect(0x7f6281cf2000, 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 5833 attached [pid 5833] set_robust_list(0x55556f584660, 24 [pid 5832] <... clone resumed>, child_tidptr=0x55556f584650) = 5833 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] getppid() = 0 [pid 5833] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5833] unshare(CLONE_NEWNS) = 0 [pid 5833] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5833] unshare(CLONE_NEWIPC) = 0 [pid 5833] unshare(CLONE_NEWCGROUP) = 0 [pid 5833] unshare(CLONE_NEWUTS) = 0 [pid 5833] unshare(CLONE_SYSVSEM) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "16777216", 8) = 8 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "536870912", 9) = 9 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "8192", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5833] close(3) = 0 [pid 5833] getpid() = 1 [pid 5833] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 40 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 07 f9 [ 75.585649][ T5833] RSP: 0018:ffffc90003b37630 EFLAGS: 00010093 [ 75.591728][ T5833] RAX: ffffffff81db77b6 RBX: 0000000000000000 RCX: ffff888079d38000 [ 75.599707][ T5833] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 75.607683][ T5833] RBP: ffff888023494cf8 R08: ffffffff81db72f2 R09: 1ffff1100469299f [ 75.615664][ T5833] R10: dffffc0000000000 R11: ffffed10046929a0 R12: 0000000000000001 [ 75.623657][ T5833] R13: ffff888023494b88 R14: ffffea0000476b80 R15: 1ffff1100469299f [ 75.631658][ T5833] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 75.640599][ T5833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.647188][ T5833] CR2: 00007f6281cf6130 CR3: 000000003356a000 CR4: 00000000003526f0 [ 75.655166][ T5833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.663137][ T5833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.671110][ T5833] Call Trace: [ 75.674423][ T5833] [ 75.677380][ T5833] ? __warn+0x168/0x4e0 [ 75.681545][ T5833] ? __folio_mark_dirty+0x907/0xed0 [ 75.686764][ T5833] ? report_bug+0x2b3/0x500 [ 75.691290][ T5833] ? __folio_mark_dirty+0x907/0xed0 [ 75.696517][ T5833] ? handle_bug+0x60/0x90 [ 75.700876][ T5833] ? exc_invalid_op+0x1a/0x50 [ 75.705561][ T5833] ? asm_exc_invalid_op+0x1a/0x20 [ 75.710614][ T5833] ? __folio_mark_dirty+0x442/0xed0 [ 75.715834][ T5833] ? __folio_mark_dirty+0x906/0xed0 [ 75.721069][ T5833] ? __folio_mark_dirty+0x907/0xed0 [ 75.726294][ T5833] mark_buffer_dirty+0x290/0x500 [ 75.731337][ T5833] gfs2_unpin+0x129/0xa60 [ 75.735707][ T5833] buf_lo_after_commit+0x14f/0x1a0 [ 75.740837][ T5833] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 75.746488][ T5833] gfs2_log_flush+0x118d/0x2610 [ 75.751360][ T5833] ? __pfx_gfs2_log_flush+0x10/0x10 [ 75.756575][ T5833] ? do_sync+0x9c2/0xc60 [ 75.760829][ T5833] ? do_sync+0x9c2/0xc60 [ 75.765087][ T5833] do_sync+0xa0b/0xc60 [ 75.769175][ T5833] ? __pfx_do_sync+0x10/0x10 [ 75.773776][ T5833] ? preempt_schedule+0xe1/0xf0 [ 75.778648][ T5833] ? preempt_schedule_thunk+0x1a/0x30 [ 75.784029][ T5833] gfs2_quota_sync+0x3bc/0x4a0 [ 75.788804][ T5833] gfs2_sync_fs+0x4d/0xc0 [ 75.793149][ T5833] sync_filesystem+0xed/0x230 [ 75.797841][ T5833] generic_shutdown_super+0x72/0x2d0 [ 75.803135][ T5833] kill_block_super+0x44/0x90 [ 75.807825][ T5833] deactivate_locked_super+0xc4/0x130 [ 75.813230][ T5833] cleanup_mnt+0x41f/0x4b0 [ 75.817655][ T5833] ? lockdep_hardirqs_on+0x99/0x150 [ 75.822873][ T5833] task_work_run+0x24f/0x310 [ 75.827501][ T5833] ? __pfx_task_work_run+0x10/0x10 [ 75.832621][ T5833] ? do_exit+0xa2a/0x28e0 [ 75.836958][ T5833] ? do_exit+0xa2a/0x28e0 [ 75.841292][ T5833] do_exit+0xa2f/0x28e0 [ 75.845473][ T5833] ? __pfx_do_exit+0x10/0x10 [ 75.850083][ T5833] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 75.856111][ T5833] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 75.862457][ T5833] ? _raw_spin_unlock_irq+0x23/0x50 [ 75.867691][ T5833] ? lockdep_hardirqs_on+0x99/0x150 [ 75.872905][ T5833] do_group_exit+0x207/0x2c0 [ 75.877512][ T5833] __x64_sys_exit_group+0x3f/0x40 [ 75.882545][ T5833] x64_sys_call+0x26a8/0x26b0 [ 75.887235][ T5833] do_syscall_64+0xf3/0x230 [ 75.891748][ T5833] ? clear_bhb_loop+0x35/0x90 [ 75.896433][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.902340][ T5833] RIP: 0033:0x7f6281c68ce9 [ 75.906793][ T5833] Code: Unable to access opcode bytes at 0x7f6281c68cbf. [ 75.913820][ T5833] RSP: 002b:00007ffcdd4f73c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 75.922247][ T5833] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6281c68ce9 [ 75.930235][ T5833] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 75.938214][ T5833] RBP: 00007f6281cf82b0 R08: ffffffffffffffb8 R09: 00000000000125aa [ 75.946196][ T5833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6281cf82b0 [ 75.954172][ T5833] R13: 0000000000000000 R14: 00007f6281cfa080 R15: 00007f6281c36730 [ 75.962183][ T5833] [ 75.965237][ T5833] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.972539][ T5833] CPU: 0 UID: 0 PID: 5833 Comm: syz-executor471 Not tainted 6.12.0-next-20241119-syzkaller #0 [ 75.982801][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 75.992870][ T5833] Call Trace: [ 75.996167][ T5833] [ 75.999105][ T5833] dump_stack_lvl+0x241/0x360 [ 76.003800][ T5833] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.009012][ T5833] ? __pfx__printk+0x10/0x10 [ 76.013607][ T5833] ? _printk+0xd5/0x120 [ 76.017774][ T5833] ? __init_begin+0x41000/0x41000 [ 76.022809][ T5833] ? vscnprintf+0x5d/0x90 [ 76.027151][ T5833] panic+0x349/0x880 [ 76.031053][ T5833] ? __warn+0x177/0x4e0 [ 76.035216][ T5833] ? __pfx_panic+0x10/0x10 [ 76.039635][ T5833] ? show_trace_log_lvl+0x3b2/0x410 [ 76.044849][ T5833] __warn+0x34b/0x4e0 [ 76.048846][ T5833] ? __folio_mark_dirty+0x907/0xed0 [ 76.054056][ T5833] report_bug+0x2b3/0x500 [ 76.058391][ T5833] ? __folio_mark_dirty+0x907/0xed0 [ 76.063595][ T5833] handle_bug+0x60/0x90 [ 76.067752][ T5833] exc_invalid_op+0x1a/0x50 [ 76.072271][ T5833] asm_exc_invalid_op+0x1a/0x20 [ 76.077131][ T5833] RIP: 0010:__folio_mark_dirty+0x907/0xed0 [ 76.082969][ T5833] Code: f9 ff ff e8 bb 01 c4 ff 4c 89 f7 48 8b 34 24 e8 ff 26 38 00 eb 87 e8 a8 01 c4 ff 90 0f 0b 90 e9 45 ff ff ff e8 9a 01 c4 ff 90 <0f> 0b 90 e9 40 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 07 f9 [ 76.102614][ T5833] RSP: 0018:ffffc90003b37630 EFLAGS: 00010093 [ 76.108700][ T5833] RAX: ffffffff81db77b6 RBX: 0000000000000000 RCX: ffff888079d38000 [ 76.116676][ T5833] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 76.124653][ T5833] RBP: ffff888023494cf8 R08: ffffffff81db72f2 R09: 1ffff1100469299f [ 76.132628][ T5833] R10: dffffc0000000000 R11: ffffed10046929a0 R12: 0000000000000001 [ 76.140608][ T5833] R13: ffff888023494b88 R14: ffffea0000476b80 R15: 1ffff1100469299f [ 76.148620][ T5833] ? __folio_mark_dirty+0x442/0xed0 [ 76.153835][ T5833] ? __folio_mark_dirty+0x906/0xed0 [ 76.159054][ T5833] mark_buffer_dirty+0x290/0x500 [ 76.164027][ T5833] gfs2_unpin+0x129/0xa60 [ 76.168397][ T5833] buf_lo_after_commit+0x14f/0x1a0 [ 76.173545][ T5833] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 76.179190][ T5833] gfs2_log_flush+0x118d/0x2610 [ 76.184059][ T5833] ? __pfx_gfs2_log_flush+0x10/0x10 [ 76.189275][ T5833] ? do_sync+0x9c2/0xc60 [ 76.193530][ T5833] ? do_sync+0x9c2/0xc60 [ 76.197808][ T5833] do_sync+0xa0b/0xc60 [ 76.201892][ T5833] ? __pfx_do_sync+0x10/0x10 [ 76.206518][ T5833] ? preempt_schedule+0xe1/0xf0 [ 76.211387][ T5833] ? preempt_schedule_thunk+0x1a/0x30 [ 76.216767][ T5833] gfs2_quota_sync+0x3bc/0x4a0 [ 76.221542][ T5833] gfs2_sync_fs+0x4d/0xc0 [ 76.225889][ T5833] sync_filesystem+0xed/0x230 [ 76.230578][ T5833] generic_shutdown_super+0x72/0x2d0 [ 76.235893][ T5833] kill_block_super+0x44/0x90 [ 76.240578][ T5833] deactivate_locked_super+0xc4/0x130 [ 76.245952][ T5833] cleanup_mnt+0x41f/0x4b0 [ 76.250370][ T5833] ? lockdep_hardirqs_on+0x99/0x150 [ 76.255583][ T5833] task_work_run+0x24f/0x310 [ 76.260185][ T5833] ? __pfx_task_work_run+0x10/0x10 [ 76.265298][ T5833] ? do_exit+0xa2a/0x28e0 [ 76.269632][ T5833] ? do_exit+0xa2a/0x28e0 [ 76.273967][ T5833] do_exit+0xa2f/0x28e0 [ 76.278157][ T5833] ? __pfx_do_exit+0x10/0x10 [ 76.282746][ T5833] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 76.288735][ T5833] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 76.295094][ T5833] ? _raw_spin_unlock_irq+0x23/0x50 [ 76.300328][ T5833] ? lockdep_hardirqs_on+0x99/0x150 [ 76.305538][ T5833] do_group_exit+0x207/0x2c0 [ 76.310140][ T5833] __x64_sys_exit_group+0x3f/0x40 [ 76.315173][ T5833] x64_sys_call+0x26a8/0x26b0 [ 76.319875][ T5833] do_syscall_64+0xf3/0x230 [ 76.324392][ T5833] ? clear_bhb_loop+0x35/0x90 [ 76.329079][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.335010][ T5833] RIP: 0033:0x7f6281c68ce9 [ 76.339432][ T5833] Code: Unable to access opcode bytes at 0x7f6281c68cbf. [ 76.346451][ T5833] RSP: 002b:00007ffcdd4f73c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 76.354879][ T5833] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6281c68ce9 [ 76.362856][ T5833] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 76.370831][ T5833] RBP: 00007f6281cf82b0 R08: ffffffffffffffb8 R09: 00000000000125aa [ 76.378818][ T5833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6281cf82b0 [ 76.386799][ T5833] R13: 0000000000000000 R14: 00007f6281cfa080 R15: 00007f6281c36730 [ 76.394826][ T5833] [ 76.398033][ T5833] Kernel Offset: disabled [ 76.402583][ T5833] Rebooting in 86400 seconds..