Warning: Permanently added '10.128.0.218' (ED25519) to the list of known hosts. executing program [ 78.214237][ T4250] loop0: detected capacity change from 0 to 32768 [ 78.227388][ T4250] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 78.235842][ T4250] gfs2: fsid=syz:syz: Now mounting FS (format 1802)... [ 78.251926][ T4250] gfs2: fsid=syz:syz.0: journal 0 mapped with 14 extents in 0ms [ 78.262742][ T3584] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 78.269970][ T3584] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 78.326427][ T3584] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 56ms [ 78.337299][ T3584] gfs2: fsid=syz:syz.0: jid=0: Done [ 78.343190][ T4250] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 78.523018][ T4250] ------------[ cut here ]------------ [ 78.528766][ T4250] WARNING: CPU: 0 PID: 4250 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x95d/0x11e0 [ 78.539441][ T4250] Modules linked in: [ 78.543410][ T4250] CPU: 0 PID: 4250 Comm: syz-executor253 Not tainted 6.1.141-syzkaller #0 [ 78.551969][ T4250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 78.562190][ T4250] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0 [ 78.568147][ T4250] 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 [ 78.588770][ T4250] RSP: 0018:ffffc90003b778f8 EFLAGS: 00010093 [ 78.595071][ T4250] RAX: ffffffff81ae4ced RBX: ffffea0001f89c40 RCX: ffff888079fa9dc0 [ 78.603302][ T4250] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 78.611397][ T4250] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed10291a6930 [ 78.619402][ T4250] R10: ffffed10291a6930 R11: 1ffff110291a692f R12: 1ffff110291a692f [ 78.627477][ T4250] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888148d34978 [ 78.635456][ T4250] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 78.644415][ T4250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.651005][ T4250] CR2: 00007fa751602000 CR3: 0000000077be6000 CR4: 00000000003506f0 [ 78.659074][ T4250] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.667054][ T4250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.675130][ T4250] Call Trace: [ 78.678421][ T4250] [ 78.681372][ T4250] ? folio_mapping+0x1ba/0x4d0 [ 78.686160][ T4250] mark_buffer_dirty+0x33f/0x7a0 [ 78.691117][ T4250] gfs2_unpin+0x125/0x9a0 [ 78.695467][ T4250] ? log_pull_tail+0x7f/0x370 [ 78.700164][ T4250] buf_lo_after_commit+0x15a/0x1a0 [ 78.705290][ T4250] ? buf_lo_before_commit+0xf0/0xf0 [ 78.710588][ T4250] gfs2_log_flush+0x10be/0x24e0 [ 78.715456][ T4250] ? unregister_shrinker+0x225/0x310 [ 78.720757][ T4250] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 78.725888][ T4250] ? unregister_shrinker+0x24e/0x310 [ 78.731185][ T4250] ? unregister_shrinker+0x24e/0x310 [ 78.736499][ T4250] ? kfree+0x30/0x190 [ 78.740491][ T4250] gfs2_kill_sb+0x50/0xd0 [ 78.744827][ T4250] deactivate_locked_super+0x93/0xf0 [ 78.750141][ T4250] cleanup_mnt+0x463/0x4f0 [ 78.754584][ T4250] ? lockdep_hardirqs_on+0x94/0x140 [ 78.759840][ T4250] task_work_run+0x1ca/0x250 [ 78.764447][ T4250] ? task_work_cancel+0x230/0x230 [ 78.769493][ T4250] ? do_exit+0x931/0x2400 [ 78.773837][ T4250] ? kmem_cache_free+0xf7/0x290 [ 78.778707][ T4250] do_exit+0x936/0x2400 [ 78.782881][ T4250] ? put_task_struct+0x80/0x80 [ 78.787658][ T4250] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 78.793662][ T4250] ? lock_chain_count+0x20/0x20 [ 78.798532][ T4250] ? _raw_spin_lock_irq+0xab/0xe0 [ 78.803574][ T4250] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 78.809049][ T4250] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 78.815044][ T4250] ? _raw_spin_unlock_irq+0x1f/0x40 [ 78.820284][ T4250] ? lockdep_hardirqs_on+0x94/0x140 [ 78.825518][ T4250] do_group_exit+0x217/0x2d0 [ 78.830149][ T4250] __x64_sys_exit_group+0x3b/0x40 [ 78.835188][ T4250] do_syscall_64+0x4c/0xa0 [ 78.839615][ T4250] ? clear_bhb_loop+0x60/0xb0 [ 78.844306][ T4250] ? clear_bhb_loop+0x60/0xb0 [ 78.848988][ T4250] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 78.854896][ T4250] RIP: 0033:0x7f3478584b09 [ 78.859329][ T4250] Code: Unable to access opcode bytes at 0x7f3478584adf. [ 78.866349][ T4250] RSP: 002b:00007fffec7ce218 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 78.874771][ T4250] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3478584b09 [ 78.882771][ T4250] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 78.890758][ T4250] RBP: 00007f34786132b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 78.898826][ T4250] R10: 00007fffec7ce140 R11: 0000000000000246 R12: 00007f34786132b0 [ 78.906831][ T4250] R13: 0000000000000000 R14: 00007f3478614020 R15: 00007f3478553040 [ 78.914845][ T4250] [ 78.917884][ T4250] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 78.925168][ T4250] CPU: 0 PID: 4250 Comm: syz-executor253 Not tainted 6.1.141-syzkaller #0 [ 78.933681][ T4250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 78.943741][ T4250] Call Trace: [ 78.947042][ T4250] [ 78.949994][ T4250] dump_stack_lvl+0x168/0x22e [ 78.954703][ T4250] ? memcpy+0x3c/0x60 [ 78.958700][ T4250] ? show_regs_print_info+0x12/0x12 [ 78.964170][ T4250] ? load_image+0x3b0/0x3b0 [ 78.968699][ T4250] panic+0x2c9/0x710 [ 78.972604][ T4250] ? bpf_jit_dump+0xd0/0xd0 [ 78.977120][ T4250] __warn+0x2f8/0x4f0 [ 78.981100][ T4250] ? __folio_mark_dirty+0x95d/0x11e0 [ 78.986412][ T4250] ? __folio_mark_dirty+0x95d/0x11e0 [ 78.991733][ T4250] report_bug+0x2ba/0x4f0 [ 78.996076][ T4250] ? __folio_mark_dirty+0x95d/0x11e0 [ 79.001372][ T4250] handle_bug+0x3a/0x70 [ 79.005544][ T4250] exc_invalid_op+0x16/0x40 [ 79.010059][ T4250] asm_exc_invalid_op+0x16/0x20 [ 79.014912][ T4250] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0 [ 79.020854][ T4250] 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 [ 79.040568][ T4250] RSP: 0018:ffffc90003b778f8 EFLAGS: 00010093 [ 79.046643][ T4250] RAX: ffffffff81ae4ced RBX: ffffea0001f89c40 RCX: ffff888079fa9dc0 [ 79.054715][ T4250] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 79.062699][ T4250] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed10291a6930 [ 79.070699][ T4250] R10: ffffed10291a6930 R11: 1ffff110291a692f R12: 1ffff110291a692f [ 79.078690][ T4250] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888148d34978 [ 79.086678][ T4250] ? __folio_mark_dirty+0x95d/0x11e0 [ 79.092078][ T4250] ? __folio_mark_dirty+0x95d/0x11e0 [ 79.097561][ T4250] ? folio_mapping+0x1ba/0x4d0 [ 79.102349][ T4250] mark_buffer_dirty+0x33f/0x7a0 [ 79.107311][ T4250] gfs2_unpin+0x125/0x9a0 [ 79.111684][ T4250] ? log_pull_tail+0x7f/0x370 [ 79.116417][ T4250] buf_lo_after_commit+0x15a/0x1a0 [ 79.121685][ T4250] ? buf_lo_before_commit+0xf0/0xf0 [ 79.126952][ T4250] gfs2_log_flush+0x10be/0x24e0 [ 79.131824][ T4250] ? unregister_shrinker+0x225/0x310 [ 79.137130][ T4250] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 79.142265][ T4250] ? unregister_shrinker+0x24e/0x310 [ 79.147586][ T4250] ? unregister_shrinker+0x24e/0x310 [ 79.152880][ T4250] ? kfree+0x30/0x190 [ 79.156870][ T4250] gfs2_kill_sb+0x50/0xd0 [ 79.161207][ T4250] deactivate_locked_super+0x93/0xf0 [ 79.166515][ T4250] cleanup_mnt+0x463/0x4f0 [ 79.170942][ T4250] ? lockdep_hardirqs_on+0x94/0x140 [ 79.176147][ T4250] task_work_run+0x1ca/0x250 [ 79.180775][ T4250] ? task_work_cancel+0x230/0x230 [ 79.185807][ T4250] ? do_exit+0x931/0x2400 [ 79.190147][ T4250] ? kmem_cache_free+0xf7/0x290 [ 79.195094][ T4250] do_exit+0x936/0x2400 [ 79.199298][ T4250] ? put_task_struct+0x80/0x80 [ 79.204082][ T4250] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 79.210084][ T4250] ? lock_chain_count+0x20/0x20 [ 79.214948][ T4250] ? _raw_spin_lock_irq+0xab/0xe0 [ 79.219993][ T4250] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 79.225381][ T4250] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 79.231375][ T4250] ? _raw_spin_unlock_irq+0x1f/0x40 [ 79.236586][ T4250] ? lockdep_hardirqs_on+0x94/0x140 [ 79.241817][ T4250] do_group_exit+0x217/0x2d0 [ 79.246435][ T4250] __x64_sys_exit_group+0x3b/0x40 [ 79.251473][ T4250] do_syscall_64+0x4c/0xa0 [ 79.255901][ T4250] ? clear_bhb_loop+0x60/0xb0 [ 79.260584][ T4250] ? clear_bhb_loop+0x60/0xb0 [ 79.265266][ T4250] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 79.271173][ T4250] RIP: 0033:0x7f3478584b09 [ 79.275594][ T4250] Code: Unable to access opcode bytes at 0x7f3478584adf. [ 79.282610][ T4250] RSP: 002b:00007fffec7ce218 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 79.291029][ T4250] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3478584b09 [ 79.299094][ T4250] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 79.307070][ T4250] RBP: 00007f34786132b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 79.315049][ T4250] R10: 00007fffec7ce140 R11: 0000000000000246 R12: 00007f34786132b0 [ 79.323025][ T4250] R13: 0000000000000000 R14: 00007f3478614020 R15: 00007f3478553040 [ 79.331030][ T4250] [ 79.334370][ T4250] Kernel Offset: disabled [ 79.338839][ T4250] Rebooting in 86400 seconds..