Warning: Permanently added '10.128.0.112' (ED25519) to the list of known hosts. executing program [ 80.567632][ T4249] loop0: detected capacity change from 0 to 32768 [ 80.581238][ T4249] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 80.589904][ T4249] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 80.622573][ T4249] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 1ms [ 80.633488][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 80.640507][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 80.677314][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 36ms [ 80.685978][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 80.693705][ T4249] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 80.863240][ T4249] ------------[ cut here ]------------ [ 80.869188][ T4249] WARNING: CPU: 1 PID: 4249 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x95d/0x11e0 [ 80.879697][ T4249] Modules linked in: [ 80.883666][ T4249] CPU: 1 PID: 4249 Comm: syz-executor203 Not tainted 6.1.141-syzkaller #0 [ 80.892220][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 80.902334][ T4249] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0 [ 80.908302][ T4249] Code: e9 6a f8 ff ff e8 a3 89 d2 ff 0f 0b e9 bb f8 ff ff e8 97 89 d2 ff 48 89 df 48 8b 74 24 18 e8 3a c5 2a 00 eb a6 e8 83 89 d2 ff <0f> 0b 43 80 3c 2c 00 0f 85 76 fb ff ff e9 79 fb ff ff 89 c2 80 e2 [ 80.928316][ T4249] RSP: 0018:ffffc90003de78f8 EFLAGS: 00010093 [ 80.934434][ T4249] RAX: ffffffff81ae4ced RBX: ffffea0001cec640 RCX: ffff88802db41dc0 [ 80.942467][ T4249] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 80.951593][ T4249] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed10291c27d0 [ 80.959790][ T4249] R10: ffffed10291c27d0 R11: 1ffff110291c27cf R12: 1ffff110291c27cf [ 80.967812][ T4249] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888148e13e78 [ 80.975829][ T4249] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 80.984961][ T4249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.991568][ T4249] CR2: 00007f341b6ee130 CR3: 000000007b4f1000 CR4: 00000000003506e0 [ 80.999754][ T4249] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.007786][ T4249] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.015883][ T4249] Call Trace: [ 81.019185][ T4249] [ 81.022141][ T4249] ? folio_mapping+0x1ba/0x4d0 [ 81.027022][ T4249] mark_buffer_dirty+0x33f/0x7a0 [ 81.032005][ T4249] gfs2_unpin+0x125/0x9a0 [ 81.036463][ T4249] ? log_pull_tail+0x7f/0x370 [ 81.041434][ T4249] buf_lo_after_commit+0x15a/0x1a0 [ 81.046749][ T4249] ? buf_lo_before_commit+0xf0/0xf0 [ 81.052068][ T4249] gfs2_log_flush+0x10be/0x24e0 [ 81.056956][ T4249] ? unregister_shrinker+0x225/0x310 [ 81.062273][ T4249] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 81.067770][ T4249] ? unregister_shrinker+0x24e/0x310 [ 81.073231][ T4249] ? unregister_shrinker+0x24e/0x310 [ 81.078619][ T4249] ? kfree+0x30/0x190 [ 81.082634][ T4249] gfs2_kill_sb+0x50/0xd0 [ 81.087198][ T4249] deactivate_locked_super+0x93/0xf0 [ 81.092727][ T4249] cleanup_mnt+0x463/0x4f0 [ 81.097349][ T4249] ? lockdep_hardirqs_on+0x94/0x140 [ 81.102667][ T4249] task_work_run+0x1ca/0x250 [ 81.107289][ T4249] ? task_work_cancel+0x230/0x230 [ 81.112339][ T4249] ? do_exit+0x931/0x2400 [ 81.116690][ T4249] ? kmem_cache_free+0xf7/0x290 [ 81.121815][ T4249] do_exit+0x936/0x2400 [ 81.126043][ T4249] ? put_task_struct+0x80/0x80 [ 81.131034][ T4249] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 81.137066][ T4249] ? lock_chain_count+0x20/0x20 [ 81.141954][ T4249] ? _raw_spin_lock_irq+0xab/0xe0 [ 81.147117][ T4249] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 81.152716][ T4249] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 81.158761][ T4249] ? _raw_spin_unlock_irq+0x1f/0x40 [ 81.164026][ T4249] ? lockdep_hardirqs_on+0x94/0x140 [ 81.169260][ T4249] do_group_exit+0x217/0x2d0 [ 81.173884][ T4249] __x64_sys_exit_group+0x3b/0x40 [ 81.179283][ T4249] do_syscall_64+0x4c/0xa0 [ 81.183983][ T4249] ? clear_bhb_loop+0x60/0xb0 [ 81.188768][ T4249] ? clear_bhb_loop+0x60/0xb0 [ 81.193559][ T4249] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 81.199660][ T4249] RIP: 0033:0x7f341b654b09 [ 81.204105][ T4249] Code: Unable to access opcode bytes at 0x7f341b654adf. [ 81.211133][ T4249] RSP: 002b:00007ffe18053378 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 81.219677][ T4249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f341b654b09 [ 81.227772][ T4249] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 81.235878][ T4249] RBP: 00007f341b6f02b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 81.243873][ T4249] R10: 00007ffe180532a0 R11: 0000000000000246 R12: 00007f341b6f02b0 [ 81.252434][ T4249] R13: 0000000000000000 R14: 00007f341b6f1020 R15: 00007f341b623060 [ 81.260441][ T4249] [ 81.263483][ T4249] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 81.270771][ T4249] CPU: 1 PID: 4249 Comm: syz-executor203 Not tainted 6.1.141-syzkaller #0 [ 81.279294][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 81.289539][ T4249] Call Trace: [ 81.292917][ T4249] [ 81.295912][ T4249] dump_stack_lvl+0x168/0x22e [ 81.300740][ T4249] ? memcpy+0x3c/0x60 [ 81.304752][ T4249] ? show_regs_print_info+0x12/0x12 [ 81.310146][ T4249] ? load_image+0x3b0/0x3b0 [ 81.314772][ T4249] panic+0x2c9/0x710 [ 81.318733][ T4249] ? bpf_jit_dump+0xd0/0xd0 [ 81.323286][ T4249] __warn+0x2f8/0x4f0 [ 81.327326][ T4249] ? __folio_mark_dirty+0x95d/0x11e0 [ 81.332658][ T4249] ? __folio_mark_dirty+0x95d/0x11e0 [ 81.337986][ T4249] report_bug+0x2ba/0x4f0 [ 81.342344][ T4249] ? __folio_mark_dirty+0x95d/0x11e0 [ 81.347676][ T4249] handle_bug+0x3a/0x70 [ 81.351889][ T4249] exc_invalid_op+0x16/0x40 [ 81.356621][ T4249] asm_exc_invalid_op+0x16/0x20 [ 81.361580][ T4249] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0 [ 81.367587][ T4249] Code: e9 6a f8 ff ff e8 a3 89 d2 ff 0f 0b e9 bb f8 ff ff e8 97 89 d2 ff 48 89 df 48 8b 74 24 18 e8 3a c5 2a 00 eb a6 e8 83 89 d2 ff <0f> 0b 43 80 3c 2c 00 0f 85 76 fb ff ff e9 79 fb ff ff 89 c2 80 e2 [ 81.387569][ T4249] RSP: 0018:ffffc90003de78f8 EFLAGS: 00010093 [ 81.393858][ T4249] RAX: ffffffff81ae4ced RBX: ffffea0001cec640 RCX: ffff88802db41dc0 [ 81.401948][ T4249] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 81.410094][ T4249] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed10291c27d0 [ 81.418642][ T4249] R10: ffffed10291c27d0 R11: 1ffff110291c27cf R12: 1ffff110291c27cf [ 81.426743][ T4249] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888148e13e78 [ 81.434840][ T4249] ? __folio_mark_dirty+0x95d/0x11e0 [ 81.440337][ T4249] ? __folio_mark_dirty+0x95d/0x11e0 [ 81.445656][ T4249] ? folio_mapping+0x1ba/0x4d0 [ 81.450444][ T4249] mark_buffer_dirty+0x33f/0x7a0 [ 81.455427][ T4249] gfs2_unpin+0x125/0x9a0 [ 81.459914][ T4249] ? log_pull_tail+0x7f/0x370 [ 81.464626][ T4249] buf_lo_after_commit+0x15a/0x1a0 [ 81.469781][ T4249] ? buf_lo_before_commit+0xf0/0xf0 [ 81.475042][ T4249] gfs2_log_flush+0x10be/0x24e0 [ 81.479950][ T4249] ? unregister_shrinker+0x225/0x310 [ 81.485378][ T4249] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 81.490728][ T4249] ? unregister_shrinker+0x24e/0x310 [ 81.496059][ T4249] ? unregister_shrinker+0x24e/0x310 [ 81.501452][ T4249] ? kfree+0x30/0x190 [ 81.505702][ T4249] gfs2_kill_sb+0x50/0xd0 [ 81.510167][ T4249] deactivate_locked_super+0x93/0xf0 [ 81.515514][ T4249] cleanup_mnt+0x463/0x4f0 [ 81.519973][ T4249] ? lockdep_hardirqs_on+0x94/0x140 [ 81.525190][ T4249] task_work_run+0x1ca/0x250 [ 81.529805][ T4249] ? task_work_cancel+0x230/0x230 [ 81.534957][ T4249] ? do_exit+0x931/0x2400 [ 81.539407][ T4249] ? kmem_cache_free+0xf7/0x290 [ 81.544297][ T4249] do_exit+0x936/0x2400 [ 81.548534][ T4249] ? put_task_struct+0x80/0x80 [ 81.553330][ T4249] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 81.559419][ T4249] ? lock_chain_count+0x20/0x20 [ 81.564301][ T4249] ? _raw_spin_lock_irq+0xab/0xe0 [ 81.569347][ T4249] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 81.574751][ T4249] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 81.580771][ T4249] ? _raw_spin_unlock_irq+0x1f/0x40 [ 81.586163][ T4249] ? lockdep_hardirqs_on+0x94/0x140 [ 81.591404][ T4249] do_group_exit+0x217/0x2d0 [ 81.596163][ T4249] __x64_sys_exit_group+0x3b/0x40 [ 81.601216][ T4249] do_syscall_64+0x4c/0xa0 [ 81.605827][ T4249] ? clear_bhb_loop+0x60/0xb0 [ 81.610530][ T4249] ? clear_bhb_loop+0x60/0xb0 [ 81.615227][ T4249] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 81.621442][ T4249] RIP: 0033:0x7f341b654b09 [ 81.626068][ T4249] Code: Unable to access opcode bytes at 0x7f341b654adf. [ 81.633090][ T4249] RSP: 002b:00007ffe18053378 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 81.641535][ T4249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f341b654b09 [ 81.649551][ T4249] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 81.657571][ T4249] RBP: 00007f341b6f02b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 81.665884][ T4249] R10: 00007ffe180532a0 R11: 0000000000000246 R12: 00007f341b6f02b0 [ 81.673978][ T4249] R13: 0000000000000000 R14: 00007f341b6f1020 R15: 00007f341b623060 [ 81.682238][ T4249] [ 81.685781][ T4249] Kernel Offset: disabled [ 81.690581][ T4249] Rebooting in 86400 seconds..