./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor527267606 <...> Warning: Permanently added '10.128.0.183' (ED25519) to the list of known hosts. execve("./syz-executor527267606", ["./syz-executor527267606"], 0x7ffeda3e0560 /* 10 vars */) = 0 brk(NULL) = 0x55556c0ce000 brk(0x55556c0ced00) = 0x55556c0ced00 arch_prctl(ARCH_SET_FS, 0x55556c0ce380) = 0 set_tid_address(0x55556c0ce650) = 5829 set_robust_list(0x55556c0ce660, 24) = 0 rseq(0x55556c0ceca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor527267606", 4096) = 27 getrandom("\xa8\xa5\x7d\xf1\x5f\x25\x4d\x5a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556c0ced00 brk(0x55556c0efd00) = 0x55556c0efd00 brk(0x55556c0f0000) = 0x55556c0f0000 mprotect(0x7f817c641000, 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 5830 attached , child_tidptr=0x55556c0ce650) = 5830 [pid 5830] set_robust_list(0x55556c0ce660, 24) = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] getppid() = 0 [pid 5830] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5830] unshare(CLONE_NEWNS) = 0 [pid 5830] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5830] unshare(CLONE_NEWIPC) = 0 [pid 5830] unshare(CLONE_NEWCGROUP) = 0 [pid 5830] unshare(CLONE_NEWUTS) = 0 [pid 5830] unshare(CLONE_SYSVSEM) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "16777216", 8) = 8 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "536870912", 9) = 9 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "8192", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5830] close(3) = 0 [pid 5830] getpid() = 1 [pid 5830] 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 [ 90.300891][ T5830] RSP: 0018:ffffc90003d97890 EFLAGS: 00010093 [ 90.306965][ T5830] RAX: ffffffff81dafef6 RBX: 0000000000000000 RCX: ffff888079953c00 [ 90.314942][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 90.322919][ T5830] RBP: ffff888148c54cf8 R08: ffffffff81dafa32 R09: 1ffff1102918a99f [ 90.330905][ T5830] R10: dffffc0000000000 R11: ffffed102918a9a0 R12: 0000000000000001 [ 90.338886][ T5830] R13: ffff888148c54b88 R14: ffffea0000be71c0 R15: 1ffff1102918a99f [ 90.346859][ T5830] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 90.355789][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.362403][ T5830] CR2: 00007f817c645130 CR3: 00000000270c0000 CR4: 00000000003526f0 [ 90.370392][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.378383][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 90.386384][ T5830] Call Trace: [ 90.389679][ T5830] [ 90.392713][ T5830] ? __warn+0x168/0x4e0 [ 90.396887][ T5830] ? __folio_mark_dirty+0x907/0xed0 [ 90.402104][ T5830] ? report_bug+0x2b3/0x500 [ 90.406627][ T5830] ? __folio_mark_dirty+0x907/0xed0 [ 90.411841][ T5830] ? handle_bug+0x60/0x90 [ 90.416186][ T5830] ? exc_invalid_op+0x1a/0x50 [ 90.420964][ T5830] ? asm_exc_invalid_op+0x1a/0x20 [ 90.426021][ T5830] ? __folio_mark_dirty+0x442/0xed0 [ 90.431246][ T5830] ? __folio_mark_dirty+0x906/0xed0 [ 90.436550][ T5830] ? __folio_mark_dirty+0x907/0xed0 [ 90.441761][ T5830] ? log_flush_wait+0x226/0x2b0 [ 90.446640][ T5830] mark_buffer_dirty+0x290/0x500 [ 90.451596][ T5830] gfs2_unpin+0x129/0xa60 [ 90.455956][ T5830] buf_lo_after_commit+0x14f/0x1a0 [ 90.461088][ T5830] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 90.466737][ T5830] gfs2_log_flush+0x118d/0x2610 [ 90.471616][ T5830] ? __pfx_gfs2_log_flush+0x10/0x10 [ 90.476833][ T5830] ? __pfx_call_rcu+0x10/0x10 [ 90.481554][ T5830] gfs2_kill_sb+0x5b/0x350 [ 90.485983][ T5830] ? shrinker_free+0x2ca/0x3d0 [ 90.490769][ T5830] deactivate_locked_super+0xc4/0x130 [ 90.496174][ T5830] cleanup_mnt+0x41f/0x4b0 [ 90.500600][ T5830] ? lockdep_hardirqs_on+0x99/0x150 [ 90.505811][ T5830] task_work_run+0x24f/0x310 [ 90.510420][ T5830] ? __pfx_task_work_run+0x10/0x10 [ 90.515545][ T5830] ? do_exit+0xa2a/0x28e0 [ 90.519890][ T5830] ? do_exit+0xa2a/0x28e0 [ 90.524239][ T5830] do_exit+0xa2f/0x28e0 [ 90.528445][ T5830] ? __pfx_do_exit+0x10/0x10 [ 90.533128][ T5830] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 90.539129][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 90.545470][ T5830] ? _raw_spin_unlock_irq+0x23/0x50 [ 90.550715][ T5830] ? lockdep_hardirqs_on+0x99/0x150 [ 90.555925][ T5830] do_group_exit+0x207/0x2c0 [ 90.560536][ T5830] __x64_sys_exit_group+0x3f/0x40 [ 90.565602][ T5830] x64_sys_call+0x26a8/0x26b0 [ 90.570320][ T5830] do_syscall_64+0xf3/0x230 [ 90.574873][ T5830] ? clear_bhb_loop+0x35/0x90 [ 90.579573][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.585494][ T5830] RIP: 0033:0x7f817c5916a9 [ 90.589936][ T5830] Code: Unable to access opcode bytes at 0x7f817c59167f. [ 90.596965][ T5830] RSP: 002b:00007fff24badf98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 90.605396][ T5830] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f817c5916a9 [ 90.613381][ T5830] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 90.621361][ T5830] RBP: 00007f817c647370 R08: ffffffffffffffb8 R09: 0000555500000000 [ 90.629346][ T5830] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f817c647370 [ 90.637336][ T5830] R13: 0000000000000000 R14: 00007f817c64a1a0 R15: 00007f817c55ee70 [ 90.645355][ T5830] [ 90.648401][ T5830] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 90.655787][ T5830] CPU: 1 UID: 0 PID: 5830 Comm: syz-executor527 Not tainted 6.12.0-rc6-next-20241108-syzkaller #0 [ 90.666381][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 90.676445][ T5830] Call Trace: [ 90.679739][ T5830] [ 90.682680][ T5830] dump_stack_lvl+0x241/0x360 [ 90.687385][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10 [ 90.692621][ T5830] ? __pfx__printk+0x10/0x10 [ 90.697223][ T5830] ? _printk+0xd5/0x120 [ 90.701506][ T5830] ? __init_begin+0x41000/0x41000 [ 90.706543][ T5830] ? vscnprintf+0x5d/0x90 [ 90.710890][ T5830] panic+0x349/0x880 [ 90.714803][ T5830] ? __warn+0x177/0x4e0 [ 90.718976][ T5830] ? __pfx_panic+0x10/0x10 [ 90.723405][ T5830] ? show_trace_log_lvl+0x3b2/0x410 [ 90.728645][ T5830] __warn+0x34b/0x4e0 [ 90.732642][ T5830] ? __folio_mark_dirty+0x907/0xed0 [ 90.737855][ T5830] report_bug+0x2b3/0x500 [ 90.742213][ T5830] ? __folio_mark_dirty+0x907/0xed0 [ 90.747437][ T5830] handle_bug+0x60/0x90 [ 90.751615][ T5830] exc_invalid_op+0x1a/0x50 [ 90.756133][ T5830] asm_exc_invalid_op+0x1a/0x20 [ 90.760996][ T5830] RIP: 0010:__folio_mark_dirty+0x907/0xed0 [ 90.766817][ T5830] Code: f9 ff ff e8 3b 7d c4 ff 4c 89 f7 48 8b 34 24 e8 7f 29 38 00 eb 87 e8 28 7d c4 ff 90 0f 0b 90 e9 45 ff ff ff e8 1a 7d 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 [ 90.786440][ T5830] RSP: 0018:ffffc90003d97890 EFLAGS: 00010093 [ 90.792554][ T5830] RAX: ffffffff81dafef6 RBX: 0000000000000000 RCX: ffff888079953c00 [ 90.800553][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 90.808619][ T5830] RBP: ffff888148c54cf8 R08: ffffffff81dafa32 R09: 1ffff1102918a99f [ 90.816600][ T5830] R10: dffffc0000000000 R11: ffffed102918a9a0 R12: 0000000000000001 [ 90.824586][ T5830] R13: ffff888148c54b88 R14: ffffea0000be71c0 R15: 1ffff1102918a99f [ 90.832576][ T5830] ? __folio_mark_dirty+0x442/0xed0 [ 90.837788][ T5830] ? __folio_mark_dirty+0x906/0xed0 [ 90.843023][ T5830] ? log_flush_wait+0x226/0x2b0 [ 90.847896][ T5830] mark_buffer_dirty+0x290/0x500 [ 90.852916][ T5830] gfs2_unpin+0x129/0xa60 [ 90.857286][ T5830] buf_lo_after_commit+0x14f/0x1a0 [ 90.862420][ T5830] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 90.868078][ T5830] gfs2_log_flush+0x118d/0x2610 [ 90.872985][ T5830] ? __pfx_gfs2_log_flush+0x10/0x10 [ 90.878214][ T5830] ? __pfx_call_rcu+0x10/0x10 [ 90.882917][ T5830] gfs2_kill_sb+0x5b/0x350 [ 90.887347][ T5830] ? shrinker_free+0x2ca/0x3d0 [ 90.892142][ T5830] deactivate_locked_super+0xc4/0x130 [ 90.897537][ T5830] cleanup_mnt+0x41f/0x4b0 [ 90.901961][ T5830] ? lockdep_hardirqs_on+0x99/0x150 [ 90.907307][ T5830] task_work_run+0x24f/0x310 [ 90.911923][ T5830] ? __pfx_task_work_run+0x10/0x10 [ 90.917062][ T5830] ? do_exit+0xa2a/0x28e0 [ 90.921406][ T5830] ? do_exit+0xa2a/0x28e0 [ 90.925751][ T5830] do_exit+0xa2f/0x28e0 [ 90.929927][ T5830] ? __pfx_do_exit+0x10/0x10 [ 90.934527][ T5830] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 90.940523][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 90.947127][ T5830] ? _raw_spin_unlock_irq+0x23/0x50 [ 90.952354][ T5830] ? lockdep_hardirqs_on+0x99/0x150 [ 90.957567][ T5830] do_group_exit+0x207/0x2c0 [ 90.962207][ T5830] __x64_sys_exit_group+0x3f/0x40 [ 90.967243][ T5830] x64_sys_call+0x26a8/0x26b0 [ 90.971939][ T5830] do_syscall_64+0xf3/0x230 [ 90.976460][ T5830] ? clear_bhb_loop+0x35/0x90 [ 90.981152][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.987054][ T5830] RIP: 0033:0x7f817c5916a9 [ 90.991475][ T5830] Code: Unable to access opcode bytes at 0x7f817c59167f. [ 90.998498][ T5830] RSP: 002b:00007fff24badf98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 91.006927][ T5830] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f817c5916a9 [ 91.014930][ T5830] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 91.022905][ T5830] RBP: 00007f817c647370 R08: ffffffffffffffb8 R09: 0000555500000000 [ 91.030886][ T5830] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f817c647370 [ 91.038864][ T5830] R13: 0000000000000000 R14: 00007f817c64a1a0 R15: 00007f817c55ee70 [ 91.046854][ T5830] [ 91.050029][ T5830] Kernel Offset: disabled [ 91.054515][ T5830] Rebooting in 86400 seconds..