Warning: Permanently added '10.128.1.113' (ED25519) to the list of known hosts. executing program [ 80.289311][ T4251] loop0: detected capacity change from 0 to 32768 [ 80.302957][ T4251] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 80.311372][ T4251] gfs2: fsid=syz:syz: Now mounting FS (format 1802)... [ 80.329419][ T4251] gfs2: fsid=syz:syz.0: journal 0 mapped with 14 extents in 0ms [ 80.340937][ T26] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 80.347893][ T26] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 80.389098][ T26] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 41ms [ 80.397846][ T26] gfs2: fsid=syz:syz.0: jid=0: Done [ 80.403923][ T4251] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 80.568892][ T4251] ------------[ cut here ]------------ [ 80.575268][ T4251] WARNING: CPU: 0 PID: 4251 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x95d/0x11e0 [ 80.585761][ T4251] Modules linked in: [ 80.589677][ T4251] CPU: 0 PID: 4251 Comm: syz-executor285 Not tainted 6.1.140-syzkaller #0 [ 80.598386][ T4251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 80.608952][ T4251] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0 [ 80.614880][ T4251] Code: e9 6a f8 ff ff e8 a3 8c d2 ff 0f 0b e9 bb f8 ff ff e8 97 8c d2 ff 48 89 df 48 8b 74 24 18 e8 9a c5 2a 00 eb a6 e8 83 8c d2 ff <0f> 0b 43 80 3c 2c 00 0f 85 76 fb ff ff e9 79 fb ff ff 89 c2 80 e2 [ 80.634955][ T4251] RSP: 0018:ffffc90003d978f8 EFLAGS: 00010093 [ 80.641127][ T4251] RAX: ffffffff81ae4a8d RBX: ffffea0001dad2c0 RCX: ffff88807d369dc0 [ 80.649455][ T4251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 80.657440][ T4251] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed1002f0d7d0 [ 80.665437][ T4251] R10: ffffed1002f0d7d0 R11: 1ffff11002f0d7cf R12: 1ffff11002f0d7cf [ 80.673422][ T4251] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801786be78 [ 80.681851][ T4251] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 80.691052][ T4251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.697738][ T4251] CR2: 00007fc27a22e130 CR3: 000000000c68e000 CR4: 00000000003506f0 [ 80.705723][ T4251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.713706][ T4251] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.721694][ T4251] Call Trace: [ 80.724993][ T4251] [ 80.727935][ T4251] ? folio_mapping+0x1ba/0x4d0 [ 80.732887][ T4251] mark_buffer_dirty+0x33f/0x7a0 [ 80.737974][ T4251] gfs2_unpin+0x125/0x9a0 [ 80.742420][ T4251] ? log_pull_tail+0x7f/0x370 [ 80.747218][ T4251] buf_lo_after_commit+0x15a/0x1a0 [ 80.752454][ T4251] ? buf_lo_before_commit+0xf0/0xf0 [ 80.757929][ T4251] gfs2_log_flush+0x10be/0x24e0 [ 80.762798][ T4251] ? unregister_shrinker+0x225/0x310 [ 80.768199][ T4251] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 80.773423][ T4251] ? unregister_shrinker+0x24e/0x310 [ 80.779000][ T4251] ? unregister_shrinker+0x24e/0x310 [ 80.784398][ T4251] ? kfree+0x30/0x190 [ 80.788396][ T4251] gfs2_kill_sb+0x50/0xd0 [ 80.792733][ T4251] deactivate_locked_super+0x93/0xf0 [ 80.798403][ T4251] cleanup_mnt+0x463/0x4f0 [ 80.802856][ T4251] ? lockdep_hardirqs_on+0x94/0x140 [ 80.808152][ T4251] task_work_run+0x1ca/0x250 [ 80.812769][ T4251] ? task_work_cancel+0x230/0x230 [ 80.817969][ T4251] ? do_exit+0x931/0x2400 [ 80.822337][ T4251] ? kmem_cache_free+0xf7/0x290 [ 80.827256][ T4251] do_exit+0x936/0x2400 [ 80.831454][ T4251] ? put_task_struct+0x80/0x80 [ 80.836359][ T4251] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 80.842355][ T4251] ? lock_chain_count+0x20/0x20 [ 80.847211][ T4251] ? _raw_spin_lock_irq+0xab/0xe0 [ 80.852248][ T4251] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 80.857639][ T4251] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 80.863641][ T4251] ? _raw_spin_unlock_irq+0x1f/0x40 [ 80.868854][ T4251] ? lockdep_hardirqs_on+0x94/0x140 [ 80.874069][ T4251] do_group_exit+0x217/0x2d0 [ 80.878685][ T4251] __x64_sys_exit_group+0x3b/0x40 [ 80.883816][ T4251] do_syscall_64+0x4c/0xa0 [ 80.888245][ T4251] ? clear_bhb_loop+0x60/0xb0 [ 80.892921][ T4251] ? clear_bhb_loop+0x60/0xb0 [ 80.897864][ T4251] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 80.903766][ T4251] RIP: 0033:0x7fc27a1a1b09 [ 80.908204][ T4251] Code: Unable to access opcode bytes at 0x7fc27a1a1adf. [ 80.915309][ T4251] RSP: 002b:00007ffe024dc808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 80.923752][ T4251] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc27a1a1b09 [ 80.931922][ T4251] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 80.940343][ T4251] RBP: 00007fc27a2302b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 80.950097][ T4251] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc27a2302b0 [ 80.958462][ T4251] R13: 0000000000000000 R14: 00007fc27a231020 R15: 00007fc27a170040 [ 80.966691][ T4251] [ 80.969904][ T4251] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 80.977292][ T4251] CPU: 0 PID: 4251 Comm: syz-executor285 Not tainted 6.1.140-syzkaller #0 [ 80.986055][ T4251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 80.996375][ T4251] Call Trace: [ 80.999723][ T4251] [ 81.003192][ T4251] dump_stack_lvl+0x168/0x22e [ 81.008127][ T4251] ? memcpy+0x3c/0x60 [ 81.012145][ T4251] ? show_regs_print_info+0x12/0x12 [ 81.017620][ T4251] ? load_image+0x3b0/0x3b0 [ 81.022352][ T4251] panic+0x2c9/0x710 [ 81.026360][ T4251] ? bpf_jit_dump+0xd0/0xd0 [ 81.030978][ T4251] __warn+0x2f8/0x4f0 [ 81.035151][ T4251] ? __folio_mark_dirty+0x95d/0x11e0 [ 81.040536][ T4251] ? __folio_mark_dirty+0x95d/0x11e0 [ 81.045986][ T4251] report_bug+0x2ba/0x4f0 [ 81.050614][ T4251] ? __folio_mark_dirty+0x95d/0x11e0 [ 81.056163][ T4251] handle_bug+0x3a/0x70 [ 81.060555][ T4251] exc_invalid_op+0x16/0x40 [ 81.065075][ T4251] asm_exc_invalid_op+0x16/0x20 [ 81.070542][ T4251] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0 [ 81.076541][ T4251] Code: e9 6a f8 ff ff e8 a3 8c d2 ff 0f 0b e9 bb f8 ff ff e8 97 8c d2 ff 48 89 df 48 8b 74 24 18 e8 9a c5 2a 00 eb a6 e8 83 8c d2 ff <0f> 0b 43 80 3c 2c 00 0f 85 76 fb ff ff e9 79 fb ff ff 89 c2 80 e2 [ 81.096592][ T4251] RSP: 0018:ffffc90003d978f8 EFLAGS: 00010093 [ 81.102753][ T4251] RAX: ffffffff81ae4a8d RBX: ffffea0001dad2c0 RCX: ffff88807d369dc0 [ 81.110995][ T4251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 81.119145][ T4251] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed1002f0d7d0 [ 81.127204][ T4251] R10: ffffed1002f0d7d0 R11: 1ffff11002f0d7cf R12: 1ffff11002f0d7cf [ 81.135457][ T4251] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801786be78 [ 81.144075][ T4251] ? __folio_mark_dirty+0x95d/0x11e0 [ 81.149664][ T4251] ? __folio_mark_dirty+0x95d/0x11e0 [ 81.155093][ T4251] ? folio_mapping+0x1ba/0x4d0 [ 81.159966][ T4251] mark_buffer_dirty+0x33f/0x7a0 [ 81.165043][ T4251] gfs2_unpin+0x125/0x9a0 [ 81.169494][ T4251] ? log_pull_tail+0x7f/0x370 [ 81.174217][ T4251] buf_lo_after_commit+0x15a/0x1a0 [ 81.179475][ T4251] ? buf_lo_before_commit+0xf0/0xf0 [ 81.184720][ T4251] gfs2_log_flush+0x10be/0x24e0 [ 81.189689][ T4251] ? unregister_shrinker+0x225/0x310 [ 81.194999][ T4251] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 81.200501][ T4251] ? unregister_shrinker+0x24e/0x310 [ 81.205822][ T4251] ? unregister_shrinker+0x24e/0x310 [ 81.211212][ T4251] ? kfree+0x30/0x190 [ 81.215241][ T4251] gfs2_kill_sb+0x50/0xd0 [ 81.219607][ T4251] deactivate_locked_super+0x93/0xf0 [ 81.225113][ T4251] cleanup_mnt+0x463/0x4f0 [ 81.229644][ T4251] ? lockdep_hardirqs_on+0x94/0x140 [ 81.235027][ T4251] task_work_run+0x1ca/0x250 [ 81.239661][ T4251] ? task_work_cancel+0x230/0x230 [ 81.245226][ T4251] ? do_exit+0x931/0x2400 [ 81.249757][ T4251] ? kmem_cache_free+0xf7/0x290 [ 81.255080][ T4251] do_exit+0x936/0x2400 [ 81.259269][ T4251] ? put_task_struct+0x80/0x80 [ 81.264051][ T4251] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 81.270139][ T4251] ? lock_chain_count+0x20/0x20 [ 81.275196][ T4251] ? _raw_spin_lock_irq+0xab/0xe0 [ 81.280309][ T4251] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 81.285707][ T4251] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 81.291781][ T4251] ? _raw_spin_unlock_irq+0x1f/0x40 [ 81.296998][ T4251] ? lockdep_hardirqs_on+0x94/0x140 [ 81.302316][ T4251] do_group_exit+0x217/0x2d0 [ 81.307206][ T4251] __x64_sys_exit_group+0x3b/0x40 [ 81.312249][ T4251] do_syscall_64+0x4c/0xa0 [ 81.316721][ T4251] ? clear_bhb_loop+0x60/0xb0 [ 81.321497][ T4251] ? clear_bhb_loop+0x60/0xb0 [ 81.326211][ T4251] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 81.332342][ T4251] RIP: 0033:0x7fc27a1a1b09 [ 81.336801][ T4251] Code: Unable to access opcode bytes at 0x7fc27a1a1adf. [ 81.343928][ T4251] RSP: 002b:00007ffe024dc808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 81.352467][ T4251] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc27a1a1b09 [ 81.360525][ T4251] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 81.368673][ T4251] RBP: 00007fc27a2302b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 81.376740][ T4251] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc27a2302b0 [ 81.384726][ T4251] R13: 0000000000000000 R14: 00007fc27a231020 R15: 00007fc27a170040 [ 81.392796][ T4251] [ 81.396191][ T4251] Kernel Offset: disabled [ 81.400642][ T4251] Rebooting in 86400 seconds..