DUID 00:04:ef:eb:16:6a:bb:4b:eb:e8:98:52:3b:5c:58:f5:72:fb forked to background, child pid 3214 [ 29.230373][ T3215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.243679][ T3215] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.109' (ED25519) to the list of known hosts. executing program syzkaller login: [ 51.518656][ T3541] loop0: detected capacity change from 0 to 32768 [ 51.531089][ T3541] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.539397][ T3541] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.553322][ T3541] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.563247][ T1059] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.570229][ T1059] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.603014][ T1059] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 32ms [ 51.611521][ T1059] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.616867][ T3541] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.754784][ T3541] ------------[ cut here ]------------ [ 51.761091][ T3541] WARNING: CPU: 0 PID: 3541 at include/linux/backing-dev.h:246 __folio_mark_dirty+0x924/0x1140 [ 51.771686][ T3541] Modules linked in: [ 51.775602][ T3541] CPU: 0 PID: 3541 Comm: syz-executor178 Not tainted 6.1.87-syzkaller #0 [ 51.784031][ T3541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 51.794191][ T3541] RIP: 0010:__folio_mark_dirty+0x924/0x1140 [ 51.800189][ T3541] Code: e9 90 f8 ff ff e8 7c ec cf ff 0f 0b e9 e3 f8 ff ff e8 70 ec cf ff 4c 89 f7 48 8b 74 24 20 e8 53 91 2e 00 eb 9f e8 5c ec cf ff <0f> 0b e9 36 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f8 f8 ff [ 51.820171][ T3541] RSP: 0018:ffffc90003a7f8b8 EFLAGS: 00010093 [ 51.826269][ T3541] RAX: ffffffff81baa304 RBX: 0000000000000000 RCX: ffff888027699dc0 [ 51.834490][ T3541] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 51.842468][ T3541] RBP: ffff888148c84978 R08: ffffffff81ba9e34 R09: ffffed1029190930 [ 51.850451][ T3541] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 51.858433][ T3541] R13: ffff888148c84800 R14: ffffea0001c83a00 R15: 1ffff1102919092f [ 51.866435][ T3541] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 51.875555][ T3541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.882233][ T3541] CR2: 00007ffd105acd88 CR3: 000000000ce8e000 CR4: 00000000003506f0 [ 51.890316][ T3541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.898440][ T3541] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.906611][ T3541] Call Trace: [ 51.909902][ T3541] [ 51.912840][ T3541] ? __warn+0x15a/0x520 [ 51.917067][ T3541] ? __folio_mark_dirty+0x924/0x1140 [ 51.922459][ T3541] ? report_bug+0x2af/0x500 [ 51.927171][ T3541] ? __folio_mark_dirty+0x924/0x1140 [ 51.932464][ T3541] ? handle_bug+0x3d/0x70 [ 51.936796][ T3541] ? exc_invalid_op+0x16/0x40 [ 51.941486][ T3541] ? asm_exc_invalid_op+0x16/0x20 [ 51.946555][ T3541] ? __folio_mark_dirty+0x454/0x1140 [ 51.951841][ T3541] ? __folio_mark_dirty+0x924/0x1140 [ 51.957210][ T3541] ? __folio_mark_dirty+0x924/0x1140 [ 51.962600][ T3541] ? __folio_mark_dirty+0x924/0x1140 [ 51.967996][ T3541] mark_buffer_dirty+0x34f/0x7d0 [ 51.972934][ T3541] gfs2_unpin+0x129/0xa60 [ 51.977269][ T3541] buf_lo_after_commit+0x14b/0x1a0 [ 51.982373][ T3541] ? buf_lo_before_commit+0xe0/0xe0 [ 51.987575][ T3541] gfs2_log_flush+0x1151/0x2610 [ 51.992451][ T3541] ? gfs2_ail_empty_tr+0x310/0x310 [ 51.997562][ T3541] ? unregister_shrinker+0x26d/0x330 [ 52.002852][ T3541] ? rcu_is_watching+0x11/0xb0 [ 52.007607][ T3541] ? unregister_shrinker+0x26d/0x330 [ 52.012882][ T3541] ? kfree+0x30/0x190 [ 52.016852][ T3541] gfs2_kill_sb+0x50/0xd0 [ 52.021178][ T3541] deactivate_locked_super+0xa0/0x110 [ 52.026544][ T3541] cleanup_mnt+0x490/0x520 [ 52.030975][ T3541] ? lockdep_hardirqs_on+0x94/0x130 [ 52.036202][ T3541] task_work_run+0x246/0x300 [ 52.040784][ T3541] ? kasan_quarantine_put+0xd4/0x220 [ 52.046248][ T3541] ? task_work_cancel+0x2b0/0x2b0 [ 52.051274][ T3541] ? kmem_cache_free+0x292/0x510 [ 52.056216][ T3541] ? do_exit+0xa6e/0x26a0 [ 52.060559][ T3541] do_exit+0xa73/0x26a0 [ 52.064732][ T3541] ? put_task_struct+0x80/0x80 [ 52.069604][ T3541] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 52.075689][ T3541] ? print_irqtrace_events+0x210/0x210 [ 52.081264][ T3541] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.086477][ T3541] ? lockdep_hardirqs_on+0x94/0x130 [ 52.091679][ T3541] do_group_exit+0x202/0x2b0 [ 52.096288][ T3541] __x64_sys_exit_group+0x3b/0x40 [ 52.101497][ T3541] do_syscall_64+0x3b/0xb0 [ 52.106037][ T3541] ? clear_bhb_loop+0x45/0xa0 [ 52.110740][ T3541] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 52.116636][ T3541] RIP: 0033:0x7f5de6542789 [ 52.121041][ T3541] Code: Unable to access opcode bytes at 0x7f5de654275f. [ 52.128048][ T3541] RSP: 002b:00007ffe6a8277f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 52.136551][ T3541] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5de6542789 [ 52.144540][ T3541] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 52.152522][ T3541] RBP: 00007f5de65d02b0 R08: ffffffffffffffb8 R09: 00007ffe6a8278d0 [ 52.160486][ T3541] R10: 00007ffe6a827720 R11: 0000000000000246 R12: 00007f5de65d02b0 [ 52.168464][ T3541] R13: 0000000000000000 R14: 00007f5de65d1020 R15: 00007f5de6510cc0 [ 52.176463][ T3541] [ 52.179490][ T3541] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 52.186775][ T3541] CPU: 0 PID: 3541 Comm: syz-executor178 Not tainted 6.1.87-syzkaller #0 [ 52.195261][ T3541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 52.205395][ T3541] Call Trace: [ 52.208658][ T3541] [ 52.211582][ T3541] dump_stack_lvl+0x1e3/0x2cb [ 52.216258][ T3541] ? nf_tcp_handle_invalid+0x642/0x642 [ 52.221874][ T3541] ? panic+0x764/0x764 [ 52.225958][ T3541] ? vscnprintf+0x59/0x80 [ 52.230296][ T3541] panic+0x318/0x764 [ 52.234194][ T3541] ? __warn+0x169/0x520 [ 52.238372][ T3541] ? memcpy_page_flushcache+0xfc/0xfc [ 52.244042][ T3541] __warn+0x348/0x520 [ 52.248032][ T3541] ? __folio_mark_dirty+0x924/0x1140 [ 52.253322][ T3541] report_bug+0x2af/0x500 [ 52.257755][ T3541] ? __folio_mark_dirty+0x924/0x1140 [ 52.263041][ T3541] handle_bug+0x3d/0x70 [ 52.267184][ T3541] exc_invalid_op+0x16/0x40 [ 52.271709][ T3541] asm_exc_invalid_op+0x16/0x20 [ 52.276558][ T3541] RIP: 0010:__folio_mark_dirty+0x924/0x1140 [ 52.282567][ T3541] Code: e9 90 f8 ff ff e8 7c ec cf ff 0f 0b e9 e3 f8 ff ff e8 70 ec cf ff 4c 89 f7 48 8b 74 24 20 e8 53 91 2e 00 eb 9f e8 5c ec cf ff <0f> 0b e9 36 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f8 f8 ff [ 52.302817][ T3541] RSP: 0018:ffffc90003a7f8b8 EFLAGS: 00010093 [ 52.308880][ T3541] RAX: ffffffff81baa304 RBX: 0000000000000000 RCX: ffff888027699dc0 [ 52.316943][ T3541] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 52.325017][ T3541] RBP: ffff888148c84978 R08: ffffffff81ba9e34 R09: ffffed1029190930 [ 52.333071][ T3541] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 52.341190][ T3541] R13: ffff888148c84800 R14: ffffea0001c83a00 R15: 1ffff1102919092f [ 52.349182][ T3541] ? __folio_mark_dirty+0x454/0x1140 [ 52.354469][ T3541] ? __folio_mark_dirty+0x924/0x1140 [ 52.360094][ T3541] ? __folio_mark_dirty+0x924/0x1140 [ 52.365370][ T3541] mark_buffer_dirty+0x34f/0x7d0 [ 52.370289][ T3541] gfs2_unpin+0x129/0xa60 [ 52.374727][ T3541] buf_lo_after_commit+0x14b/0x1a0 [ 52.379825][ T3541] ? buf_lo_before_commit+0xe0/0xe0 [ 52.385006][ T3541] gfs2_log_flush+0x1151/0x2610 [ 52.390021][ T3541] ? gfs2_ail_empty_tr+0x310/0x310 [ 52.395207][ T3541] ? unregister_shrinker+0x26d/0x330 [ 52.400656][ T3541] ? rcu_is_watching+0x11/0xb0 [ 52.405663][ T3541] ? unregister_shrinker+0x26d/0x330 [ 52.411147][ T3541] ? kfree+0x30/0x190 [ 52.415213][ T3541] gfs2_kill_sb+0x50/0xd0 [ 52.419552][ T3541] deactivate_locked_super+0xa0/0x110 [ 52.425250][ T3541] cleanup_mnt+0x490/0x520 [ 52.429769][ T3541] ? lockdep_hardirqs_on+0x94/0x130 [ 52.434983][ T3541] task_work_run+0x246/0x300 [ 52.439688][ T3541] ? kasan_quarantine_put+0xd4/0x220 [ 52.445008][ T3541] ? task_work_cancel+0x2b0/0x2b0 [ 52.450419][ T3541] ? kmem_cache_free+0x292/0x510 [ 52.455459][ T3541] ? do_exit+0xa6e/0x26a0 [ 52.459797][ T3541] do_exit+0xa73/0x26a0 [ 52.464127][ T3541] ? put_task_struct+0x80/0x80 [ 52.468998][ T3541] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 52.475186][ T3541] ? print_irqtrace_events+0x210/0x210 [ 52.480838][ T3541] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.486082][ T3541] ? lockdep_hardirqs_on+0x94/0x130 [ 52.491467][ T3541] do_group_exit+0x202/0x2b0 [ 52.496603][ T3541] __x64_sys_exit_group+0x3b/0x40 [ 52.501765][ T3541] do_syscall_64+0x3b/0xb0 [ 52.506287][ T3541] ? clear_bhb_loop+0x45/0xa0 [ 52.510970][ T3541] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 52.516890][ T3541] RIP: 0033:0x7f5de6542789 [ 52.521302][ T3541] Code: Unable to access opcode bytes at 0x7f5de654275f. [ 52.528323][ T3541] RSP: 002b:00007ffe6a8277f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 52.536731][ T3541] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5de6542789 [ 52.544780][ T3541] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 52.552835][ T3541] RBP: 00007f5de65d02b0 R08: ffffffffffffffb8 R09: 00007ffe6a8278d0 [ 52.560983][ T3541] R10: 00007ffe6a827720 R11: 0000000000000246 R12: 00007f5de65d02b0 [ 52.568970][ T3541] R13: 0000000000000000 R14: 00007f5de65d1020 R15: 00007f5de6510cc0 [ 52.577044][ T3541] [ 52.580394][ T3541] Kernel Offset: disabled [ 52.584814][ T3541] Rebooting in 86400 seconds..