283.029207][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 283.029226][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 283.029292][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 283.029369][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 283.029414][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 283.029441][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 283.029466][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 283.029492][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 283.029513][ T6494] ? reacquire_held_locks+0x104/0x190 [ 283.029538][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 283.029567][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 283.029592][ T6494] ? rt_spin_unlock+0x160/0x200 [ 283.029612][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 283.029634][ T6494] do_writepages+0x32e/0x550 [ 283.029659][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 283.029683][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 283.029715][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 283.029743][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 283.029765][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 283.029831][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 283.029863][ T6494] ? rt_spin_unlock+0x160/0x200 [ 283.029887][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 283.029926][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 283.029981][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 283.030063][ T6494] kill_f2fs_super+0x308/0x710 [ 283.030094][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 283.030142][ T6494] deactivate_locked_super+0xbc/0x130 [ 283.030168][ T6494] cleanup_mnt+0x437/0x4d0 [ 283.030189][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 283.030220][ T6494] task_work_run+0x1d9/0x270 [ 283.030250][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 283.030289][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 283.030313][ T6494] ? rcu_is_watching+0x15/0xb0 [ 283.030343][ T6494] do_syscall_64+0x2b7/0xf80 [ 283.030368][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.030388][ T6494] ? trace_irq_disable+0x37/0x100 [ 283.030414][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 283.030439][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.030459][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 283.030479][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 283.030497][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 283.030519][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 283.030534][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 283.030548][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 283.030562][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 283.030573][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004509b R15: 00007fff1c66cca0 [ 283.030608][ T6494] [ 283.030618][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 283.031002][ T6494] CPU: 0 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 283.031026][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 283.031039][ T6494] Call Trace: [ 283.031047][ T6494] [ 283.031055][ T6494] dump_stack_lvl+0xe8/0x150 [ 283.031084][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 283.031119][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 283.031156][ T6494] __submit_merged_bio+0x256/0x650 [ 283.031191][ T6494] __submit_merged_write_cond+0x269/0x530 [ 283.031227][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 283.031246][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 283.031307][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 283.031376][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 283.031418][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 283.031445][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 283.031470][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 283.031495][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 283.031517][ T6494] ? reacquire_held_locks+0x104/0x190 [ 283.031541][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 283.031568][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 283.031593][ T6494] ? rt_spin_unlock+0x160/0x200 [ 283.031612][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 283.031634][ T6494] do_writepages+0x32e/0x550 [ 283.031658][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 283.031682][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 283.031712][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 283.031738][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 283.031759][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 283.031821][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 283.031849][ T6494] ? rt_spin_unlock+0x160/0x200 [ 283.031873][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 283.031910][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 283.031961][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 283.032035][ T6494] kill_f2fs_super+0x308/0x710 [ 283.032064][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 283.032108][ T6494] deactivate_locked_super+0xbc/0x130 [ 283.032133][ T6494] cleanup_mnt+0x437/0x4d0 [ 283.032154][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 283.032183][ T6494] task_work_run+0x1d9/0x270 [ 283.032212][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 283.032249][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 283.032272][ T6494] ? rcu_is_watching+0x15/0xb0 [ 283.032300][ T6494] do_syscall_64+0x2b7/0xf80 [ 283.032325][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.032345][ T6494] ? trace_irq_disable+0x37/0x100 [ 283.032370][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 283.032395][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.032414][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 283.032431][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 283.032449][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 283.032470][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 283.032484][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 283.032498][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 283.032513][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 283.032525][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004509b R15: 00007fff1c66cca0 [ 283.032558][ T6494] [ 283.032567][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 284.070962][ T6953] loop1: detected capacity change from 0 to 40427 [ 284.084644][ T6953] F2FS-fs: heap/no_heap options were deprecated [ 284.087951][ T6953] F2FS-fs (loop1): Image doesn't support compression [ 284.087972][ T6953] F2FS-fs (loop1): build fault injection rate: 690 [ 284.090361][ T6953] F2FS-fs (loop1): invalid crc value [ 284.241199][ T6953] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 284.256293][ T6953] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 284.528030][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 284.528061][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 284.528074][ T6494] Call Trace: [ 284.528082][ T6494] [ 284.528092][ T6494] dump_stack_lvl+0xe8/0x150 [ 284.528125][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 284.528163][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 284.528202][ T6494] __submit_merged_bio+0x256/0x650 [ 284.528238][ T6494] __submit_merged_write_cond+0x269/0x530 [ 284.528275][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 284.528294][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 284.528358][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 284.528442][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 284.528487][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 284.528514][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 284.528539][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 284.528564][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 284.528586][ T6494] ? reacquire_held_locks+0x104/0x190 [ 284.528610][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 284.528639][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 284.528664][ T6494] ? rt_spin_unlock+0x160/0x200 [ 284.528683][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 284.528705][ T6494] do_writepages+0x32e/0x550 [ 284.528729][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 284.528753][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 284.528785][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 284.528811][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 284.528833][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 284.528893][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 284.528923][ T6494] ? rt_spin_unlock+0x160/0x200 [ 284.528948][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 284.528986][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 284.529041][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 284.529122][ T6494] kill_f2fs_super+0x308/0x710 [ 284.529152][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 284.529200][ T6494] deactivate_locked_super+0xbc/0x130 [ 284.529225][ T6494] cleanup_mnt+0x437/0x4d0 [ 284.529253][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 284.529282][ T6494] task_work_run+0x1d9/0x270 [ 284.529312][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 284.529350][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 284.529373][ T6494] ? rcu_is_watching+0x15/0xb0 [ 284.529407][ T6494] do_syscall_64+0x2b7/0xf80 [ 284.529433][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.529452][ T6494] ? trace_irq_disable+0x37/0x100 [ 284.529476][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 284.529501][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.529521][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 284.529540][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 284.529558][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 284.529580][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 284.529595][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 284.529608][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 284.529623][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 284.529636][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004567b R15: 00007fff1c66cca0 [ 284.529670][ T6494] [ 284.529679][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 284.530028][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 284.530051][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 284.530062][ T6494] Call Trace: [ 284.530070][ T6494] [ 284.530077][ T6494] dump_stack_lvl+0xe8/0x150 [ 284.530105][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 284.530136][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 284.530169][ T6494] __submit_merged_bio+0x256/0x650 [ 284.530204][ T6494] __submit_merged_write_cond+0x269/0x530 [ 284.530238][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 284.530258][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 284.530315][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 284.530380][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 284.530429][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 284.530456][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 284.530480][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 284.530506][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 284.530527][ T6494] ? reacquire_held_locks+0x104/0x190 [ 284.530551][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 284.530578][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 284.530603][ T6494] ? rt_spin_unlock+0x160/0x200 [ 284.530622][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 284.530644][ T6494] do_writepages+0x32e/0x550 [ 284.530667][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 284.530690][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 284.530720][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 284.530747][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 284.530768][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 284.530822][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 284.530851][ T6494] ? rt_spin_unlock+0x160/0x200 [ 284.530875][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 284.530911][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 284.530961][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 284.531034][ T6494] kill_f2fs_super+0x308/0x710 [ 284.531062][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 284.531106][ T6494] deactivate_locked_super+0xbc/0x130 [ 284.531130][ T6494] cleanup_mnt+0x437/0x4d0 [ 284.531150][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 284.531179][ T6494] task_work_run+0x1d9/0x270 [ 284.531208][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 284.531244][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 284.531265][ T6494] ? rcu_is_watching+0x15/0xb0 [ 284.531294][ T6494] do_syscall_64+0x2b7/0xf80 [ 284.531318][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.531338][ T6494] ? trace_irq_disable+0x37/0x100 [ 284.531363][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 284.531387][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.531412][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 284.531431][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 284.531448][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 284.531469][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 284.531484][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 284.531497][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 284.531512][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 284.531525][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004567b R15: 00007fff1c66cca0 [ 284.531558][ T6494] [ 284.531795][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 285.626509][ T6960] loop1: detected capacity change from 0 to 40427 [ 285.648106][ T6960] F2FS-fs: heap/no_heap options were deprecated [ 285.650110][ T6960] F2FS-fs (loop1): Image doesn't support compression [ 285.650130][ T6960] F2FS-fs (loop1): build fault injection rate: 690 [ 285.651095][ T6960] F2FS-fs (loop1): invalid crc value [ 285.794541][ T6960] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 285.806289][ T6960] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 286.088149][ T6494] CPU: 0 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 286.088179][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 286.088192][ T6494] Call Trace: [ 286.088201][ T6494] [ 286.088210][ T6494] dump_stack_lvl+0xe8/0x150 [ 286.088243][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 286.088280][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 286.088318][ T6494] __submit_merged_bio+0x256/0x650 [ 286.088353][ T6494] __submit_merged_write_cond+0x269/0x530 [ 286.088389][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 286.088409][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 286.088469][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 286.088539][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 286.088581][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 286.088620][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 286.088646][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 286.088671][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 286.088693][ T6494] ? reacquire_held_locks+0x104/0x190 [ 286.088717][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 286.088745][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 286.088770][ T6494] ? rt_spin_unlock+0x160/0x200 [ 286.088789][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 286.088811][ T6494] do_writepages+0x32e/0x550 [ 286.088835][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 286.088858][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 286.088888][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 286.088915][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 286.088936][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 286.088991][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 286.089020][ T6494] ? rt_spin_unlock+0x160/0x200 [ 286.089043][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 286.089080][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 286.089130][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 286.089201][ T6494] kill_f2fs_super+0x308/0x710 [ 286.089230][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 286.089273][ T6494] deactivate_locked_super+0xbc/0x130 [ 286.089299][ T6494] cleanup_mnt+0x437/0x4d0 [ 286.089319][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.089347][ T6494] task_work_run+0x1d9/0x270 [ 286.089377][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 286.089413][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 286.089435][ T6494] ? rcu_is_watching+0x15/0xb0 [ 286.089464][ T6494] do_syscall_64+0x2b7/0xf80 [ 286.089490][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.089510][ T6494] ? trace_irq_disable+0x37/0x100 [ 286.089535][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 286.089559][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.089578][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 286.089604][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 286.089623][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 286.089645][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 286.089660][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 286.089673][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 286.089688][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 286.089702][ T6494] R13: 00007f8b25c0d1c3 R14: 0000000000045c6b R15: 00007fff1c66cca0 [ 286.089735][ T6494] [ 286.089743][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 286.089782][ T6494] CPU: 0 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 286.089805][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 286.089817][ T6494] Call Trace: [ 286.089826][ T6494] [ 286.089834][ T6494] dump_stack_lvl+0xe8/0x150 [ 286.089862][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 286.089897][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 286.089933][ T6494] __submit_merged_bio+0x256/0x650 [ 286.089968][ T6494] __submit_merged_write_cond+0x269/0x530 [ 286.090005][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 286.090025][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 286.090084][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 286.090153][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 286.090195][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 286.090221][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 286.090246][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 286.090272][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 286.090294][ T6494] ? reacquire_held_locks+0x104/0x190 [ 286.090318][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 286.090345][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 286.090370][ T6494] ? rt_spin_unlock+0x160/0x200 [ 286.090389][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 286.090411][ T6494] do_writepages+0x32e/0x550 [ 286.090434][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 286.090457][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 286.090487][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 286.090514][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 286.090536][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 286.090591][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 286.090626][ T6494] ? rt_spin_unlock+0x160/0x200 [ 286.090649][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 286.090686][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 286.090736][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 286.090810][ T6494] kill_f2fs_super+0x308/0x710 [ 286.090837][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 286.090882][ T6494] deactivate_locked_super+0xbc/0x130 [ 286.090905][ T6494] cleanup_mnt+0x437/0x4d0 [ 286.090926][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.090955][ T6494] task_work_run+0x1d9/0x270 [ 286.090984][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 286.091020][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 286.091042][ T6494] ? rcu_is_watching+0x15/0xb0 [ 286.091071][ T6494] do_syscall_64+0x2b7/0xf80 [ 286.091096][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.091115][ T6494] ? trace_irq_disable+0x37/0x100 [ 286.091139][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 286.091163][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.091183][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 286.091199][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 286.091217][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 286.091237][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 286.091251][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 286.091265][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 286.091279][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 286.091293][ T6494] R13: 00007f8b25c0d1c3 R14: 0000000000045c6b R15: 00007fff1c66cca0 [ 286.091325][ T6494] [ 286.091333][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 287.211071][ T6967] loop1: detected capacity change from 0 to 40427 [ 287.228500][ T6967] F2FS-fs: heap/no_heap options were deprecated [ 287.231862][ T6967] F2FS-fs (loop1): Image doesn't support compression [ 287.231885][ T6967] F2FS-fs (loop1): build fault injection rate: 690 [ 287.258663][ T6967] F2FS-fs (loop1): invalid crc value [ 287.327073][ T6484] bio_check_eod: 26686 callbacks suppressed [ 287.327093][ T6484] syz.0.17: attempt to access beyond end of device [ 287.327093][ T6484] loop0: rw=0, sector=86104, nr_sectors = 8 limit=40427 [ 287.327303][ T6484] syz.0.17: attempt to access beyond end of device [ 287.327303][ T6484] loop0: rw=0, sector=86112, nr_sectors = 8 limit=40427 [ 287.327424][ T6484] syz.0.17: attempt to access beyond end of device [ 287.327424][ T6484] loop0: rw=0, sector=86120, nr_sectors = 8 limit=40427 [ 287.327548][ T6484] syz.0.17: attempt to access beyond end of device [ 287.327548][ T6484] loop0: rw=0, sector=86128, nr_sectors = 8 limit=40427 [ 287.327672][ T6484] syz.0.17: attempt to access beyond end of device [ 287.327672][ T6484] loop0: rw=0, sector=86136, nr_sectors = 8 limit=40427 [ 287.327795][ T6484] syz.0.17: attempt to access beyond end of device [ 287.327795][ T6484] loop0: rw=0, sector=86144, nr_sectors = 8 limit=40427 [ 287.327918][ T6484] syz.0.17: attempt to access beyond end of device [ 287.327918][ T6484] loop0: rw=0, sector=86152, nr_sectors = 8 limit=40427 [ 287.328075][ T6484] syz.0.17: attempt to access beyond end of device [ 287.328075][ T6484] loop0: rw=0, sector=86160, nr_sectors = 8 limit=40427 [ 287.328196][ T6484] syz.0.17: attempt to access beyond end of device [ 287.328196][ T6484] loop0: rw=0, sector=86168, nr_sectors = 8 limit=40427 [ 287.328319][ T6484] syz.0.17: attempt to access beyond end of device [ 287.328319][ T6484] loop0: rw=0, sector=86176, nr_sectors = 8 limit=40427 [ 287.477327][ T6967] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 287.479822][ T6967] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 2026/01/28 10:33:15 executed programs: 67 [ 287.748291][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 287.748321][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 287.748334][ T6494] Call Trace: [ 287.748343][ T6494] [ 287.748352][ T6494] dump_stack_lvl+0xe8/0x150 [ 287.748386][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 287.748425][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 287.748464][ T6494] __submit_merged_bio+0x256/0x650 [ 287.748500][ T6494] __submit_merged_write_cond+0x269/0x530 [ 287.748537][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 287.748557][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 287.748622][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 287.748697][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 287.748741][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 287.748769][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 287.748795][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 287.748821][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 287.748842][ T6494] ? reacquire_held_locks+0x104/0x190 [ 287.748866][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 287.748895][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 287.748921][ T6494] ? rt_spin_unlock+0x160/0x200 [ 287.748941][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 287.748964][ T6494] do_writepages+0x32e/0x550 [ 287.748988][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 287.749011][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 287.749043][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 287.749070][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 287.749099][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 287.749159][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 287.749190][ T6494] ? rt_spin_unlock+0x160/0x200 [ 287.749215][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 287.749254][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 287.749309][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 287.749390][ T6494] kill_f2fs_super+0x308/0x710 [ 287.749420][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 287.749468][ T6494] deactivate_locked_super+0xbc/0x130 [ 287.749493][ T6494] cleanup_mnt+0x437/0x4d0 [ 287.749514][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.749545][ T6494] task_work_run+0x1d9/0x270 [ 287.749575][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 287.749623][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 287.749647][ T6494] ? rcu_is_watching+0x15/0xb0 [ 287.749685][ T6494] do_syscall_64+0x2b7/0xf80 [ 287.749710][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.749730][ T6494] ? trace_irq_disable+0x37/0x100 [ 287.749754][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 287.749779][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.749799][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 287.749818][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 287.749836][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 287.749858][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 287.749873][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 287.749887][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 287.749901][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 287.749915][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004630f R15: 00007fff1c66cca0 [ 287.749950][ T6494] [ 287.749959][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 287.750347][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 287.750372][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 287.750384][ T6494] Call Trace: [ 287.750392][ T6494] [ 287.750400][ T6494] dump_stack_lvl+0xe8/0x150 [ 287.750431][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 287.750466][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 287.750506][ T6494] __submit_merged_bio+0x256/0x650 [ 287.750542][ T6494] __submit_merged_write_cond+0x269/0x530 [ 287.750579][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 287.750599][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 287.750662][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 287.750739][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 287.750782][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 287.750808][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 287.750834][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 287.750860][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 287.750881][ T6494] ? reacquire_held_locks+0x104/0x190 [ 287.750905][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 287.750932][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 287.750958][ T6494] ? rt_spin_unlock+0x160/0x200 [ 287.750977][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 287.751000][ T6494] do_writepages+0x32e/0x550 [ 287.751023][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 287.751046][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 287.751085][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 287.751112][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 287.751133][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 287.751194][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 287.751224][ T6494] ? rt_spin_unlock+0x160/0x200 [ 287.751249][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 287.751287][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 287.751341][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 287.751423][ T6494] kill_f2fs_super+0x308/0x710 [ 287.751452][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 287.751500][ T6494] deactivate_locked_super+0xbc/0x130 [ 287.751526][ T6494] cleanup_mnt+0x437/0x4d0 [ 287.751547][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.751577][ T6494] task_work_run+0x1d9/0x270 [ 287.751606][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 287.751643][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 287.751666][ T6494] ? rcu_is_watching+0x15/0xb0 [ 287.751696][ T6494] do_syscall_64+0x2b7/0xf80 [ 287.751720][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.751740][ T6494] ? trace_irq_disable+0x37/0x100 [ 287.751765][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 287.751790][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.751809][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 287.751828][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 287.751846][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 287.751868][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 287.751883][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 287.751896][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 287.751911][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 287.751925][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004630f R15: 00007fff1c66cca0 [ 287.751959][ T6494] [ 287.751968][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 288.775006][ T6974] loop1: detected capacity change from 0 to 40427 [ 288.788137][ T6974] F2FS-fs: heap/no_heap options were deprecated [ 288.795255][ T6974] F2FS-fs (loop1): Image doesn't support compression [ 288.795286][ T6974] F2FS-fs (loop1): build fault injection rate: 690 [ 288.818038][ T6974] F2FS-fs (loop1): invalid crc value [ 288.926361][ T6974] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 288.947155][ T6974] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 289.207883][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 289.207901][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 289.207908][ T6494] Call Trace: [ 289.207913][ T6494] [ 289.207918][ T6494] dump_stack_lvl+0xe8/0x150 [ 289.207938][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 289.207959][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 289.207977][ T6494] __submit_merged_bio+0x256/0x650 [ 289.208006][ T6494] __submit_merged_write_cond+0x269/0x530 [ 289.208024][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 289.208034][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 289.208065][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 289.208100][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 289.208122][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 289.208136][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 289.208149][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 289.208162][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 289.208173][ T6494] ? reacquire_held_locks+0x104/0x190 [ 289.208185][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 289.208199][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 289.208211][ T6494] ? rt_spin_unlock+0x160/0x200 [ 289.208221][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 289.208232][ T6494] do_writepages+0x32e/0x550 [ 289.208245][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 289.208256][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 289.208271][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 289.208285][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 289.208296][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 289.208324][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 289.208338][ T6494] ? rt_spin_unlock+0x160/0x200 [ 289.208350][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 289.208368][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 289.208394][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 289.208431][ T6494] kill_f2fs_super+0x308/0x710 [ 289.208446][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 289.208468][ T6494] deactivate_locked_super+0xbc/0x130 [ 289.208481][ T6494] cleanup_mnt+0x437/0x4d0 [ 289.208492][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 289.208507][ T6494] task_work_run+0x1d9/0x270 [ 289.208522][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 289.208540][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 289.208553][ T6494] ? rcu_is_watching+0x15/0xb0 [ 289.208568][ T6494] do_syscall_64+0x2b7/0xf80 [ 289.208581][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.208592][ T6494] ? trace_irq_disable+0x37/0x100 [ 289.208605][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 289.208617][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.208627][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 289.208639][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 289.208649][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 289.208661][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 289.208668][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 289.208675][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 289.208682][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 289.208689][ T6494] R13: 00007f8b25c0d1c3 R14: 00000000000468c6 R15: 00007fff1c66cca0 [ 289.208705][ T6494] [ 289.208710][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 289.208732][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 289.208744][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 289.208750][ T6494] Call Trace: [ 289.208753][ T6494] [ 289.208758][ T6494] dump_stack_lvl+0xe8/0x150 [ 289.208772][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 289.208789][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 289.208807][ T6494] __submit_merged_bio+0x256/0x650 [ 289.208824][ T6494] __submit_merged_write_cond+0x269/0x530 [ 289.208843][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 289.208852][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 289.208882][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 289.208917][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 289.208938][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 289.208951][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 289.208964][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 289.208976][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 289.208987][ T6494] ? reacquire_held_locks+0x104/0x190 [ 289.209004][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 289.209018][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 289.209031][ T6494] ? rt_spin_unlock+0x160/0x200 [ 289.209040][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 289.209052][ T6494] do_writepages+0x32e/0x550 [ 289.209063][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 289.209075][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 289.209090][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 289.209103][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 289.209114][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 289.209142][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 289.209156][ T6494] ? rt_spin_unlock+0x160/0x200 [ 289.209168][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 289.209186][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 289.209212][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 289.209249][ T6494] kill_f2fs_super+0x308/0x710 [ 289.209263][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 289.209285][ T6494] deactivate_locked_super+0xbc/0x130 [ 289.209298][ T6494] cleanup_mnt+0x437/0x4d0 [ 289.209308][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 289.209323][ T6494] task_work_run+0x1d9/0x270 [ 289.209337][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 289.209355][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 289.209367][ T6494] ? rcu_is_watching+0x15/0xb0 [ 289.209381][ T6494] do_syscall_64+0x2b7/0xf80 [ 289.209393][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.209403][ T6494] ? trace_irq_disable+0x37/0x100 [ 289.209415][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 289.209427][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.209437][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 289.209446][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 289.209454][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 289.209465][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 289.209471][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 289.209478][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 289.209485][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 289.209491][ T6494] R13: 00007f8b25c0d1c3 R14: 00000000000468c6 R15: 00007fff1c66cca0 [ 289.209507][ T6494] [ 289.209512][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 289.881323][ T6981] loop1: detected capacity change from 0 to 40427 [ 289.893116][ T6981] F2FS-fs: heap/no_heap options were deprecated [ 289.908435][ T6981] F2FS-fs (loop1): Image doesn't support compression [ 289.908456][ T6981] F2FS-fs (loop1): build fault injection rate: 690 [ 289.916542][ T6981] F2FS-fs (loop1): invalid crc value [ 290.077335][ T6981] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 290.089792][ T6981] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 290.359493][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 290.359523][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 290.359536][ T6494] Call Trace: [ 290.359545][ T6494] [ 290.359555][ T6494] dump_stack_lvl+0xe8/0x150 [ 290.359588][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 290.359626][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 290.359665][ T6494] __submit_merged_bio+0x256/0x650 [ 290.359703][ T6494] __submit_merged_write_cond+0x269/0x530 [ 290.359741][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 290.359761][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 290.359842][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 290.359879][ T6494] ? rtlock_slowlock_locked+0xfb/0x3c80 [ 290.359939][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 290.359966][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 290.360010][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 290.360053][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 290.360080][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 290.360105][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 290.360132][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 290.360154][ T6494] do_writepages+0x32e/0x550 [ 290.360178][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 290.360202][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 290.360234][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 290.360262][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 290.360283][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 290.360344][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 290.360374][ T6494] ? rt_spin_unlock+0x160/0x200 [ 290.360398][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 290.360437][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 290.360493][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 290.360569][ T6494] kill_f2fs_super+0x308/0x710 [ 290.360599][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 290.360647][ T6494] deactivate_locked_super+0xbc/0x130 [ 290.360672][ T6494] cleanup_mnt+0x437/0x4d0 [ 290.360694][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 290.360724][ T6494] task_work_run+0x1d9/0x270 [ 290.360753][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 290.360792][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 290.360815][ T6494] ? rcu_is_watching+0x15/0xb0 [ 290.360845][ T6494] do_syscall_64+0x2b7/0xf80 [ 290.360870][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.360891][ T6494] ? trace_irq_disable+0x37/0x100 [ 290.360923][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 290.360949][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.360969][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 290.360989][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 290.361007][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 290.361029][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 290.361044][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 290.361057][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 290.361072][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 290.361085][ T6494] R13: 00007f8b25c0d1c3 R14: 0000000000046d2d R15: 00007fff1c66cca0 [ 290.361119][ T6494] [ 290.361128][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 290.362592][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 290.362619][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 290.362632][ T6494] Call Trace: [ 290.362641][ T6494] [ 290.362650][ T6494] dump_stack_lvl+0xe8/0x150 [ 290.362681][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 290.362718][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 290.362757][ T6494] __submit_merged_bio+0x256/0x650 [ 290.362793][ T6494] __submit_merged_write_cond+0x269/0x530 [ 290.362830][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 290.362850][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 290.362920][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 290.362957][ T6494] ? rtlock_slowlock_locked+0xfb/0x3c80 [ 290.363009][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 290.363035][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 290.363079][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 290.363123][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 290.363148][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 290.363168][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 290.363189][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 290.363208][ T6494] do_writepages+0x32e/0x550 [ 290.363232][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 290.363255][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 290.363286][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 290.363315][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 290.363336][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 290.363396][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 290.363427][ T6494] ? rt_spin_unlock+0x160/0x200 [ 290.363451][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 290.363490][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 290.363541][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 290.363623][ T6494] kill_f2fs_super+0x308/0x710 [ 290.363652][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 290.363700][ T6494] deactivate_locked_super+0xbc/0x130 [ 290.363726][ T6494] cleanup_mnt+0x437/0x4d0 [ 290.363747][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 290.363778][ T6494] task_work_run+0x1d9/0x270 [ 290.363808][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 290.363846][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 290.363869][ T6494] ? rcu_is_watching+0x15/0xb0 [ 290.363989][ T6494] do_syscall_64+0x2b7/0xf80 [ 290.364017][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.364037][ T6494] ? trace_irq_disable+0x37/0x100 [ 290.364062][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 290.364088][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.364107][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 290.364127][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 290.364144][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 290.364165][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 290.364179][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 290.364193][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 290.364207][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 290.364221][ T6494] R13: 00007f8b25c0d1c3 R14: 0000000000046d2d R15: 00007fff1c66cca0 [ 290.364256][ T6494] [ 290.364265][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 291.366082][ T6988] loop1: detected capacity change from 0 to 40427 [ 291.376469][ T6988] F2FS-fs: heap/no_heap options were deprecated [ 291.387421][ T6988] F2FS-fs (loop1): Image doesn't support compression [ 291.387444][ T6988] F2FS-fs (loop1): build fault injection rate: 690 [ 291.391436][ T6988] F2FS-fs (loop1): invalid crc value [ 291.553747][ T6988] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 291.558327][ T6988] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 291.828936][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 291.828966][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 291.828978][ T6494] Call Trace: [ 291.828987][ T6494] [ 291.828996][ T6494] dump_stack_lvl+0xe8/0x150 [ 291.829029][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 291.829066][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 291.829102][ T6494] __submit_merged_bio+0x256/0x650 [ 291.829137][ T6494] __submit_merged_write_cond+0x269/0x530 [ 291.829174][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 291.829193][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 291.829253][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 291.829329][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.829372][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 291.829399][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 291.829423][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 291.829448][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 291.829470][ T6494] ? reacquire_held_locks+0x104/0x190 [ 291.829494][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 291.829521][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 291.829545][ T6494] ? rt_spin_unlock+0x160/0x200 [ 291.829564][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 291.829587][ T6494] do_writepages+0x32e/0x550 [ 291.829610][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 291.829633][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 291.829663][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 291.829689][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 291.829710][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 291.829771][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 291.829800][ T6494] ? rt_spin_unlock+0x160/0x200 [ 291.829824][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 291.829860][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 291.829910][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 291.829983][ T6494] kill_f2fs_super+0x308/0x710 [ 291.830012][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 291.830056][ T6494] deactivate_locked_super+0xbc/0x130 [ 291.830081][ T6494] cleanup_mnt+0x437/0x4d0 [ 291.830103][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 291.830132][ T6494] task_work_run+0x1d9/0x270 [ 291.830161][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 291.830197][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 291.830220][ T6494] ? rcu_is_watching+0x15/0xb0 [ 291.830249][ T6494] do_syscall_64+0x2b7/0xf80 [ 291.830274][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.830294][ T6494] ? trace_irq_disable+0x37/0x100 [ 291.830318][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 291.830342][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.830362][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 291.830381][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 291.830399][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 291.830421][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 291.830435][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 291.830449][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 291.830464][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 291.830477][ T6494] R13: 00007f8b25c0d1c3 R14: 00000000000472fc R15: 00007fff1c66cca0 [ 291.830509][ T6494] [ 291.830518][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 291.830559][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 291.830582][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 291.830594][ T6494] Call Trace: [ 291.830602][ T6494] [ 291.830610][ T6494] dump_stack_lvl+0xe8/0x150 [ 291.830637][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 291.830671][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 291.830708][ T6494] __submit_merged_bio+0x256/0x650 [ 291.830753][ T6494] __submit_merged_write_cond+0x269/0x530 [ 291.830789][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 291.830808][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 291.830867][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 291.830982][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.831023][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 291.831050][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 291.831073][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 291.831099][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 291.831120][ T6494] ? reacquire_held_locks+0x104/0x190 [ 291.831144][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 291.831172][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 291.831198][ T6494] ? rt_spin_unlock+0x160/0x200 [ 291.831217][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 291.831239][ T6494] do_writepages+0x32e/0x550 [ 291.831262][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 291.831285][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 291.831315][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 291.831342][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 291.831363][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 291.831418][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 291.831448][ T6494] ? rt_spin_unlock+0x160/0x200 [ 291.831471][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 291.831507][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 291.831558][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 291.831632][ T6494] kill_f2fs_super+0x308/0x710 [ 291.831660][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 291.831705][ T6494] deactivate_locked_super+0xbc/0x130 [ 291.831735][ T6494] cleanup_mnt+0x437/0x4d0 [ 291.831756][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 291.831785][ T6494] task_work_run+0x1d9/0x270 [ 291.831813][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 291.831849][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 291.831872][ T6494] ? rcu_is_watching+0x15/0xb0 [ 291.831899][ T6494] do_syscall_64+0x2b7/0xf80 [ 291.831924][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.831944][ T6494] ? trace_irq_disable+0x37/0x100 [ 291.831968][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 291.831992][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.832011][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 291.832028][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 291.832045][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 291.832065][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 291.832079][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 291.832092][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 291.832107][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 291.832120][ T6494] R13: 00007f8b25c0d1c3 R14: 00000000000472fc R15: 00007fff1c66cca0 [ 291.832153][ T6494] [ 291.832161][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 292.337496][ T6484] bio_check_eod: 22667 callbacks suppressed [ 292.337515][ T6484] syz.0.17: attempt to access beyond end of device [ 292.337515][ T6484] loop0: rw=0, sector=87904, nr_sectors = 8 limit=40427 [ 292.337638][ T6484] syz.0.17: attempt to access beyond end of device [ 292.337638][ T6484] loop0: rw=0, sector=87912, nr_sectors = 8 limit=40427 [ 292.337863][ T6484] syz.0.17: attempt to access beyond end of device [ 292.337863][ T6484] loop0: rw=0, sector=87920, nr_sectors = 8 limit=40427 [ 292.337981][ T6484] syz.0.17: attempt to access beyond end of device [ 292.337981][ T6484] loop0: rw=0, sector=87928, nr_sectors = 8 limit=40427 [ 292.338095][ T6484] syz.0.17: attempt to access beyond end of device [ 292.338095][ T6484] loop0: rw=0, sector=87936, nr_sectors = 8 limit=40427 [ 292.338210][ T6484] syz.0.17: attempt to access beyond end of device [ 292.338210][ T6484] loop0: rw=0, sector=87944, nr_sectors = 8 limit=40427 [ 292.338328][ T6484] syz.0.17: attempt to access beyond end of device [ 292.338328][ T6484] loop0: rw=0, sector=87952, nr_sectors = 8 limit=40427 [ 292.338442][ T6484] syz.0.17: attempt to access beyond end of device [ 292.338442][ T6484] loop0: rw=0, sector=87960, nr_sectors = 8 limit=40427 [ 292.338555][ T6484] syz.0.17: attempt to access beyond end of device [ 292.338555][ T6484] loop0: rw=0, sector=87968, nr_sectors = 8 limit=40427 [ 292.338667][ T6484] syz.0.17: attempt to access beyond end of device [ 292.338667][ T6484] loop0: rw=0, sector=87976, nr_sectors = 8 limit=40427 [ 292.915189][ T6995] loop1: detected capacity change from 0 to 40427 [ 292.937967][ T6995] F2FS-fs: heap/no_heap options were deprecated [ 292.938392][ T6995] F2FS-fs (loop1): Image doesn't support compression [ 292.938409][ T6995] F2FS-fs (loop1): build fault injection rate: 690 [ 292.939619][ T6995] F2FS-fs (loop1): invalid crc value [ 293.204588][ T6995] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 293.227122][ T6995] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 2026/01/28 10:33:21 executed programs: 71 [ 293.479475][ T6494] CPU: 0 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 293.479533][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 293.479547][ T6494] Call Trace: [ 293.479555][ T6494] [ 293.479565][ T6494] dump_stack_lvl+0xe8/0x150 [ 293.479598][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 293.479635][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 293.479672][ T6494] __submit_merged_bio+0x256/0x650 [ 293.479708][ T6494] __submit_merged_write_cond+0x269/0x530 [ 293.479744][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 293.479802][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 293.479872][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 293.479915][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 293.479942][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 293.479968][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 293.479994][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 293.480015][ T6494] ? reacquire_held_locks+0x104/0x190 [ 293.480041][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 293.480065][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 293.480087][ T6494] ? rt_spin_unlock+0x160/0x200 [ 293.480101][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 293.480120][ T6494] do_writepages+0x32e/0x550 [ 293.480143][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 293.480166][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 293.480195][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 293.480222][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 293.480243][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 293.480310][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 293.480341][ T6494] ? rt_spin_unlock+0x160/0x200 [ 293.480365][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 293.480401][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 293.480450][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 293.480521][ T6494] kill_f2fs_super+0x308/0x710 [ 293.480550][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 293.480595][ T6494] deactivate_locked_super+0xbc/0x130 [ 293.480620][ T6494] cleanup_mnt+0x437/0x4d0 [ 293.480642][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 293.480671][ T6494] task_work_run+0x1d9/0x270 [ 293.480701][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 293.480738][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 293.480760][ T6494] ? rcu_is_watching+0x15/0xb0 [ 293.480795][ T6494] do_syscall_64+0x2b7/0xf80 [ 293.480821][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.480841][ T6494] ? trace_irq_disable+0x37/0x100 [ 293.480866][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 293.480891][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.480910][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 293.480930][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 293.480948][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 293.480970][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 293.480984][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 293.480998][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 293.481013][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 293.481026][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004796f R15: 00007fff1c66cca0 [ 293.481058][ T6494] [ 293.481067][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 293.481114][ T6494] CPU: 0 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 293.481137][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 293.481149][ T6494] Call Trace: [ 293.481156][ T6494] [ 293.481165][ T6494] dump_stack_lvl+0xe8/0x150 [ 293.481192][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 293.481226][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 293.481262][ T6494] __submit_merged_bio+0x256/0x650 [ 293.481297][ T6494] __submit_merged_write_cond+0x269/0x530 [ 293.481333][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 293.481385][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 293.481455][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 293.481496][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 293.481521][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 293.481546][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 293.481572][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 293.481593][ T6494] ? reacquire_held_locks+0x104/0x190 [ 293.481618][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 293.481645][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 293.481670][ T6494] ? rt_spin_unlock+0x160/0x200 [ 293.481689][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 293.481711][ T6494] do_writepages+0x32e/0x550 [ 293.481734][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 293.481757][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 293.481793][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 293.481820][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 293.481841][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 293.481897][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 293.481927][ T6494] ? rt_spin_unlock+0x160/0x200 [ 293.481950][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 293.481987][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 293.482038][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 293.482112][ T6494] kill_f2fs_super+0x308/0x710 [ 293.482140][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 293.482186][ T6494] deactivate_locked_super+0xbc/0x130 [ 293.482210][ T6494] cleanup_mnt+0x437/0x4d0 [ 293.482231][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 293.482259][ T6494] task_work_run+0x1d9/0x270 [ 293.482288][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 293.482325][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 293.482348][ T6494] ? rcu_is_watching+0x15/0xb0 [ 293.482376][ T6494] do_syscall_64+0x2b7/0xf80 [ 293.482402][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.482421][ T6494] ? trace_irq_disable+0x37/0x100 [ 293.482445][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 293.482469][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.482489][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 293.482506][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 293.482523][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 293.482543][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 293.482557][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 293.482570][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 293.482585][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 293.482598][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004796f R15: 00007fff1c66cca0 [ 293.482631][ T6494] [ 293.482639][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 294.858183][ T7002] loop1: detected capacity change from 0 to 40427 [ 294.871412][ T7002] F2FS-fs: heap/no_heap options were deprecated [ 294.872584][ T7002] F2FS-fs (loop1): Image doesn't support compression [ 294.872603][ T7002] F2FS-fs (loop1): build fault injection rate: 690 [ 294.873625][ T7002] F2FS-fs (loop1): invalid crc value [ 295.049177][ T7002] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 295.050441][ T7002] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 295.379930][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 295.379958][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 295.379971][ T6494] Call Trace: [ 295.379980][ T6494] [ 295.379989][ T6494] dump_stack_lvl+0xe8/0x150 [ 295.380033][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 295.380069][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 295.380106][ T6494] __submit_merged_bio+0x256/0x650 [ 295.380142][ T6494] __submit_merged_write_cond+0x269/0x530 [ 295.380178][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 295.380198][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 295.380258][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 295.380328][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 295.380376][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 295.380403][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 295.380429][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 295.380454][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 295.380475][ T6494] ? reacquire_held_locks+0x104/0x190 [ 295.380498][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 295.380526][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 295.380550][ T6494] ? rt_spin_unlock+0x160/0x200 [ 295.380569][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 295.380591][ T6494] do_writepages+0x32e/0x550 [ 295.380614][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 295.380637][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 295.380667][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 295.380694][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 295.380715][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 295.380770][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 295.380799][ T6494] ? rt_spin_unlock+0x160/0x200 [ 295.380823][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 295.380859][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 295.380910][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 295.380984][ T6494] kill_f2fs_super+0x308/0x710 [ 295.381012][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 295.381057][ T6494] deactivate_locked_super+0xbc/0x130 [ 295.381082][ T6494] cleanup_mnt+0x437/0x4d0 [ 295.381103][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 295.381132][ T6494] task_work_run+0x1d9/0x270 [ 295.381162][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 295.381198][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 295.381222][ T6494] ? rcu_is_watching+0x15/0xb0 [ 295.381250][ T6494] do_syscall_64+0x2b7/0xf80 [ 295.381276][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.381295][ T6494] ? trace_irq_disable+0x37/0x100 [ 295.381320][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 295.381351][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.381371][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 295.381390][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 295.381408][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 295.381431][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 295.381446][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 295.381459][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 295.381474][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 295.381487][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004809e R15: 00007fff1c66cca0 [ 295.381520][ T6494] [ 295.381528][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 295.381567][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 295.381589][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 295.381601][ T6494] Call Trace: [ 295.381609][ T6494] [ 295.381617][ T6494] dump_stack_lvl+0xe8/0x150 [ 295.381645][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 295.381678][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 295.381713][ T6494] __submit_merged_bio+0x256/0x650 [ 295.381747][ T6494] __submit_merged_write_cond+0x269/0x530 [ 295.381783][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 295.381802][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 295.381861][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 295.381930][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 295.381971][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 295.381997][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 295.382022][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 295.382047][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 295.382068][ T6494] ? reacquire_held_locks+0x104/0x190 [ 295.382092][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 295.382120][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 295.382144][ T6494] ? rt_spin_unlock+0x160/0x200 [ 295.382161][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 295.382182][ T6494] do_writepages+0x32e/0x550 [ 295.382206][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 295.382228][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 295.382258][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 295.382285][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 295.382307][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 295.382368][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 295.382398][ T6494] ? rt_spin_unlock+0x160/0x200 [ 295.382421][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 295.382457][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 295.382507][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 295.382581][ T6494] kill_f2fs_super+0x308/0x710 [ 295.382609][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 295.382653][ T6494] deactivate_locked_super+0xbc/0x130 [ 295.382677][ T6494] cleanup_mnt+0x437/0x4d0 [ 295.382697][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 295.382727][ T6494] task_work_run+0x1d9/0x270 [ 295.382755][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 295.382792][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 295.382814][ T6494] ? rcu_is_watching+0x15/0xb0 [ 295.382842][ T6494] do_syscall_64+0x2b7/0xf80 [ 295.382868][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.382887][ T6494] ? trace_irq_disable+0x37/0x100 [ 295.382938][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 295.382962][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.382981][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 295.382998][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 295.383015][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 295.383036][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 295.383049][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 295.383062][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 295.383077][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 295.383090][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004809e R15: 00007fff1c66cca0 [ 295.383123][ T6494] [ 295.383131][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 296.495678][ T7009] loop1: detected capacity change from 0 to 40427 [ 296.508628][ T7009] F2FS-fs: heap/no_heap options were deprecated [ 296.533892][ T7009] F2FS-fs (loop1): Image doesn't support compression [ 296.533916][ T7009] F2FS-fs (loop1): build fault injection rate: 690 [ 296.536182][ T7009] F2FS-fs (loop1): invalid crc value [ 296.698228][ T7009] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 296.699679][ T7009] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 296.964779][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 296.964810][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 296.964824][ T6494] Call Trace: [ 296.964832][ T6494] [ 296.964842][ T6494] dump_stack_lvl+0xe8/0x150 [ 296.964876][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 296.964914][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 296.964951][ T6494] __submit_merged_bio+0x256/0x650 [ 296.964988][ T6494] __submit_merged_write_cond+0x269/0x530 [ 296.965024][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 296.965044][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 296.965107][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 296.965173][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 296.965211][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 296.965237][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 296.965261][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 296.965286][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 296.965308][ T6494] ? reacquire_held_locks+0x104/0x190 [ 296.965332][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 296.965360][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 296.965385][ T6494] ? rt_spin_unlock+0x160/0x200 [ 296.965404][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 296.965426][ T6494] do_writepages+0x32e/0x550 [ 296.965450][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 296.965526][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 296.965556][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 296.965583][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 296.965623][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 296.965679][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 296.965709][ T6494] ? rt_spin_unlock+0x160/0x200 [ 296.965733][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 296.965770][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 296.965821][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 296.965895][ T6494] kill_f2fs_super+0x308/0x710 [ 296.965924][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 296.965968][ T6494] deactivate_locked_super+0xbc/0x130 [ 296.965993][ T6494] cleanup_mnt+0x437/0x4d0 [ 296.966015][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 296.966044][ T6494] task_work_run+0x1d9/0x270 [ 296.966073][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 296.966110][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 296.966133][ T6494] ? rcu_is_watching+0x15/0xb0 [ 296.966162][ T6494] do_syscall_64+0x2b7/0xf80 [ 296.966187][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.966207][ T6494] ? trace_irq_disable+0x37/0x100 [ 296.966232][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 296.966256][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.966275][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 296.966295][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 296.966313][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 296.966335][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 296.966350][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 296.966363][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 296.966378][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 296.966392][ T6494] R13: 00007f8b25c0d1c3 R14: 00000000000486d7 R15: 00007fff1c66cca0 [ 296.966424][ T6494] [ 296.966433][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 296.966485][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 296.966508][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 296.966520][ T6494] Call Trace: [ 296.966529][ T6494] [ 296.966537][ T6494] dump_stack_lvl+0xe8/0x150 [ 296.966565][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 296.966600][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 296.966635][ T6494] __submit_merged_bio+0x256/0x650 [ 296.966670][ T6494] __submit_merged_write_cond+0x269/0x530 [ 296.966705][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 296.966725][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 296.966785][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 296.966854][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 296.966896][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 296.966923][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 296.966949][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 296.966970][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 296.966989][ T6494] ? reacquire_held_locks+0x104/0x190 [ 296.967010][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 296.967033][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 296.967056][ T6494] ? rt_spin_unlock+0x160/0x200 [ 296.967075][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 296.967098][ T6494] do_writepages+0x32e/0x550 [ 296.967121][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 296.967153][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 296.967184][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 296.967211][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 296.967231][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 296.967287][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 296.967316][ T6494] ? rt_spin_unlock+0x160/0x200 [ 296.967339][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 296.967376][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 296.967427][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 296.967506][ T6494] kill_f2fs_super+0x308/0x710 [ 296.967534][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 296.967578][ T6494] deactivate_locked_super+0xbc/0x130 [ 296.967602][ T6494] cleanup_mnt+0x437/0x4d0 [ 296.967623][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 296.967651][ T6494] task_work_run+0x1d9/0x270 [ 296.967680][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 296.967715][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 296.967737][ T6494] ? rcu_is_watching+0x15/0xb0 [ 296.967765][ T6494] do_syscall_64+0x2b7/0xf80 [ 296.967790][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.967809][ T6494] ? trace_irq_disable+0x37/0x100 [ 296.967834][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 296.967858][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.967878][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 296.967895][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 296.967913][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 296.967934][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 296.967948][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 296.967961][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 296.967976][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 296.967989][ T6494] R13: 00007f8b25c0d1c3 R14: 00000000000486d7 R15: 00007fff1c66cca0 [ 296.968021][ T6494] [ 296.976532][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 297.367364][ T6484] bio_check_eod: 29672 callbacks suppressed [ 297.367384][ T6484] syz.0.17: attempt to access beyond end of device [ 297.367384][ T6484] loop0: rw=524288, sector=87192, nr_sectors = 8 limit=40427 [ 297.367520][ T6484] syz.0.17: attempt to access beyond end of device [ 297.367520][ T6484] loop0: rw=524288, sector=87200, nr_sectors = 8 limit=40427 [ 297.367635][ T6484] syz.0.17: attempt to access beyond end of device [ 297.367635][ T6484] loop0: rw=524288, sector=87208, nr_sectors = 8 limit=40427 [ 297.367747][ T6484] syz.0.17: attempt to access beyond end of device [ 297.367747][ T6484] loop0: rw=524288, sector=87216, nr_sectors = 8 limit=40427 [ 297.367859][ T6484] syz.0.17: attempt to access beyond end of device [ 297.367859][ T6484] loop0: rw=524288, sector=87224, nr_sectors = 8 limit=40427 [ 297.367978][ T6484] syz.0.17: attempt to access beyond end of device [ 297.367978][ T6484] loop0: rw=524288, sector=87232, nr_sectors = 8 limit=40427 [ 297.368090][ T6484] syz.0.17: attempt to access beyond end of device [ 297.368090][ T6484] loop0: rw=524288, sector=87240, nr_sectors = 8 limit=40427 [ 297.368207][ T6484] syz.0.17: attempt to access beyond end of device [ 297.368207][ T6484] loop0: rw=524288, sector=87248, nr_sectors = 8 limit=40427 [ 297.368323][ T6484] syz.0.17: attempt to access beyond end of device [ 297.368323][ T6484] loop0: rw=524288, sector=87256, nr_sectors = 8 limit=40427 [ 297.368438][ T6484] syz.0.17: attempt to access beyond end of device [ 297.368438][ T6484] loop0: rw=524288, sector=87264, nr_sectors = 8 limit=40427 [ 298.112119][ T7016] loop1: detected capacity change from 0 to 40427 [ 298.128198][ T7016] F2FS-fs: heap/no_heap options were deprecated [ 298.128584][ T7016] F2FS-fs (loop1): Image doesn't support compression [ 298.128602][ T7016] F2FS-fs (loop1): build fault injection rate: 690 [ 298.147845][ T7016] F2FS-fs (loop1): invalid crc value [ 298.361004][ T7016] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 298.362582][ T7016] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 2026/01/28 10:33:26 executed programs: 74 [ 298.638336][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 298.638366][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 298.638380][ T6494] Call Trace: [ 298.638388][ T6494] [ 298.638398][ T6494] dump_stack_lvl+0xe8/0x150 [ 298.638432][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 298.638469][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 298.638508][ T6494] __submit_merged_bio+0x256/0x650 [ 298.638545][ T6494] __submit_merged_write_cond+0x269/0x530 [ 298.638583][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 298.638603][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 298.638667][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 298.638744][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 298.638787][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 298.638814][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 298.638840][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 298.638866][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 298.638887][ T6494] ? reacquire_held_locks+0x104/0x190 [ 298.638911][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 298.638940][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 298.638974][ T6494] ? rt_spin_unlock+0x160/0x200 [ 298.638994][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 298.639031][ T6494] do_writepages+0x32e/0x550 [ 298.639061][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 298.639085][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 298.639117][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 298.639145][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 298.639166][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 298.639227][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 298.639258][ T6494] ? rt_spin_unlock+0x160/0x200 [ 298.639282][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 298.639320][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 298.639376][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 298.639458][ T6494] kill_f2fs_super+0x308/0x710 [ 298.639487][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 298.639535][ T6494] deactivate_locked_super+0xbc/0x130 [ 298.639561][ T6494] cleanup_mnt+0x437/0x4d0 [ 298.639583][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 298.639612][ T6494] task_work_run+0x1d9/0x270 [ 298.639643][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 298.639681][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 298.639704][ T6494] ? rcu_is_watching+0x15/0xb0 [ 298.639734][ T6494] do_syscall_64+0x2b7/0xf80 [ 298.639760][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.639779][ T6494] ? trace_irq_disable+0x37/0x100 [ 298.639805][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 298.639829][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.639849][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 298.639869][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 298.639888][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 298.639910][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 298.639924][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 298.639937][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 298.639952][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 298.639966][ T6494] R13: 00007f8b25c0d1c3 R14: 0000000000048d9a R15: 00007fff1c66cca0 [ 298.640001][ T6494] [ 298.640010][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 298.641330][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 298.641356][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 298.641370][ T6494] Call Trace: [ 298.641378][ T6494] [ 298.641387][ T6494] dump_stack_lvl+0xe8/0x150 [ 298.641418][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 298.641452][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 298.641488][ T6494] __submit_merged_bio+0x256/0x650 [ 298.641523][ T6494] __submit_merged_write_cond+0x269/0x530 [ 298.641559][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 298.641578][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 298.641638][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 298.641707][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 298.641749][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 298.641776][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 298.641801][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 298.641826][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 298.641847][ T6494] ? reacquire_held_locks+0x104/0x190 [ 298.641871][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 298.641899][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 298.641923][ T6494] ? rt_spin_unlock+0x160/0x200 [ 298.641943][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 298.641964][ T6494] do_writepages+0x32e/0x550 [ 298.641988][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 298.642010][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 298.642041][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 298.642074][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 298.642095][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 298.642151][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 298.642180][ T6494] ? rt_spin_unlock+0x160/0x200 [ 298.642203][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 298.642239][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 298.642288][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 298.642358][ T6494] kill_f2fs_super+0x308/0x710 [ 298.642387][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 298.642432][ T6494] deactivate_locked_super+0xbc/0x130 [ 298.642456][ T6494] cleanup_mnt+0x437/0x4d0 [ 298.642478][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 298.642503][ T6494] task_work_run+0x1d9/0x270 [ 298.642531][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 298.642564][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 298.642587][ T6494] ? rcu_is_watching+0x15/0xb0 [ 298.642614][ T6494] do_syscall_64+0x2b7/0xf80 [ 298.642639][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.642659][ T6494] ? trace_irq_disable+0x37/0x100 [ 298.642684][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 298.642709][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.642729][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 298.642747][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 298.642765][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 298.642787][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 298.642801][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 298.642815][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 298.642830][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 298.642843][ T6494] R13: 00007f8b25c0d1c3 R14: 0000000000048d9a R15: 00007fff1c66cca0 [ 298.642875][ T6494] [ 298.642884][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 299.649467][ T7023] loop1: detected capacity change from 0 to 40427 [ 299.665599][ T7023] F2FS-fs: heap/no_heap options were deprecated [ 299.669367][ T7023] F2FS-fs (loop1): Image doesn't support compression [ 299.669389][ T7023] F2FS-fs (loop1): build fault injection rate: 690 [ 299.671101][ T7023] F2FS-fs (loop1): invalid crc value [ 299.856183][ T7023] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 299.858289][ T7023] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 300.128296][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 300.128326][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 300.128339][ T6494] Call Trace: [ 300.128347][ T6494] [ 300.128357][ T6494] dump_stack_lvl+0xe8/0x150 [ 300.128391][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 300.128428][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 300.128467][ T6494] __submit_merged_bio+0x256/0x650 [ 300.128504][ T6494] __submit_merged_write_cond+0x269/0x530 [ 300.128542][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 300.128561][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 300.128626][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 300.128703][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 300.128746][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 300.128774][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 300.128799][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 300.128825][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 300.128847][ T6494] ? reacquire_held_locks+0x104/0x190 [ 300.128871][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 300.128915][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 300.128940][ T6494] ? rt_spin_unlock+0x160/0x200 [ 300.128959][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 300.128982][ T6494] do_writepages+0x32e/0x550 [ 300.129006][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 300.129029][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 300.129061][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 300.129089][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 300.129110][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 300.129169][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 300.129200][ T6494] ? rt_spin_unlock+0x160/0x200 [ 300.129225][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 300.129263][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 300.129318][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 300.129400][ T6494] kill_f2fs_super+0x308/0x710 [ 300.129430][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 300.129477][ T6494] deactivate_locked_super+0xbc/0x130 [ 300.129503][ T6494] cleanup_mnt+0x437/0x4d0 [ 300.129524][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 300.129554][ T6494] task_work_run+0x1d9/0x270 [ 300.129584][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 300.129622][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 300.129645][ T6494] ? rcu_is_watching+0x15/0xb0 [ 300.129674][ T6494] do_syscall_64+0x2b7/0xf80 [ 300.129700][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.129719][ T6494] ? trace_irq_disable+0x37/0x100 [ 300.129744][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 300.129769][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.129789][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 300.129809][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 300.129828][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 300.129850][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 300.129864][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 300.129884][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 300.129898][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 300.129912][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004936d R15: 00007fff1c66cca0 [ 300.129946][ T6494] [ 300.129955][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 300.130326][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 300.130351][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 300.130364][ T6494] Call Trace: [ 300.130372][ T6494] [ 300.130380][ T6494] dump_stack_lvl+0xe8/0x150 [ 300.130409][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 300.130443][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 300.130480][ T6494] __submit_merged_bio+0x256/0x650 [ 300.130515][ T6494] __submit_merged_write_cond+0x269/0x530 [ 300.130550][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 300.130570][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 300.130629][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 300.130697][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 300.130739][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 300.130765][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 300.130789][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 300.130815][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 300.130836][ T6494] ? reacquire_held_locks+0x104/0x190 [ 300.130860][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 300.130897][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 300.130922][ T6494] ? rt_spin_unlock+0x160/0x200 [ 300.130940][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 300.130962][ T6494] do_writepages+0x32e/0x550 [ 300.130985][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 300.131008][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 300.131038][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 300.131065][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 300.131086][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 300.131140][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 300.131170][ T6494] ? rt_spin_unlock+0x160/0x200 [ 300.131193][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 300.131229][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 300.131280][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 300.131354][ T6494] kill_f2fs_super+0x308/0x710 [ 300.131383][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 300.131427][ T6494] deactivate_locked_super+0xbc/0x130 [ 300.131452][ T6494] cleanup_mnt+0x437/0x4d0 [ 300.131473][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 300.131502][ T6494] task_work_run+0x1d9/0x270 [ 300.131531][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 300.131567][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 300.131594][ T6494] ? rcu_is_watching+0x15/0xb0 [ 300.131623][ T6494] do_syscall_64+0x2b7/0xf80 [ 300.131653][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.131672][ T6494] ? trace_irq_disable+0x37/0x100 [ 300.131697][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 300.131722][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.131741][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 300.131759][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 300.131777][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 300.131798][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 300.131813][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 300.131826][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 300.131841][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 300.131854][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004936d R15: 00007fff1c66cca0 [ 300.131894][ T6494] [ 300.131902][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 301.151844][ T7030] loop1: detected capacity change from 0 to 40427 [ 301.170246][ T7030] F2FS-fs: heap/no_heap options were deprecated [ 301.170627][ T7030] F2FS-fs (loop1): Image doesn't support compression [ 301.170643][ T7030] F2FS-fs (loop1): build fault injection rate: 690 [ 301.178091][ T7030] F2FS-fs (loop1): invalid crc value [ 301.398236][ T7030] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 301.399623][ T7030] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 301.658362][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 301.658392][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 301.658405][ T6494] Call Trace: [ 301.658414][ T6494] [ 301.658423][ T6494] dump_stack_lvl+0xe8/0x150 [ 301.658453][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 301.658491][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 301.658528][ T6494] __submit_merged_bio+0x256/0x650 [ 301.658564][ T6494] __submit_merged_write_cond+0x269/0x530 [ 301.658600][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 301.658620][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 301.658680][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 301.658765][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 301.658853][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 301.658880][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 301.658906][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 301.658932][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 301.658954][ T6494] ? reacquire_held_locks+0x104/0x190 [ 301.658978][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 301.659012][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 301.659038][ T6494] ? rt_spin_unlock+0x160/0x200 [ 301.659057][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 301.659079][ T6494] do_writepages+0x32e/0x550 [ 301.659103][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 301.659125][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 301.659156][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 301.659183][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 301.659204][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 301.659273][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 301.659302][ T6494] ? rt_spin_unlock+0x160/0x200 [ 301.659325][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 301.659362][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 301.659413][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 301.659485][ T6494] kill_f2fs_super+0x308/0x710 [ 301.659514][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 301.659558][ T6494] deactivate_locked_super+0xbc/0x130 [ 301.659583][ T6494] cleanup_mnt+0x437/0x4d0 [ 301.659605][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 301.659634][ T6494] task_work_run+0x1d9/0x270 [ 301.659672][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 301.659709][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 301.659732][ T6494] ? rcu_is_watching+0x15/0xb0 [ 301.659760][ T6494] do_syscall_64+0x2b7/0xf80 [ 301.659786][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.659805][ T6494] ? trace_irq_disable+0x37/0x100 [ 301.659830][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 301.659854][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.659874][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 301.659893][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 301.659911][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 301.659932][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 301.659946][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 301.659960][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 301.659974][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 301.659988][ T6494] R13: 00007f8b25c0d1c3 R14: 0000000000049970 R15: 00007fff1c66cca0 [ 301.660026][ T6494] [ 301.660035][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 301.660078][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 301.660102][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 301.660114][ T6494] Call Trace: [ 301.660122][ T6494] [ 301.660131][ T6494] dump_stack_lvl+0xe8/0x150 [ 301.660158][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 301.660192][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 301.660229][ T6494] __submit_merged_bio+0x256/0x650 [ 301.660264][ T6494] __submit_merged_write_cond+0x269/0x530 [ 301.660301][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 301.660321][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 301.660381][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 301.660450][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 301.660492][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 301.660518][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 301.660544][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 301.660570][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 301.660592][ T6494] ? reacquire_held_locks+0x104/0x190 [ 301.660616][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 301.660644][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 301.660668][ T6494] ? rt_spin_unlock+0x160/0x200 [ 301.660688][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 301.660710][ T6494] do_writepages+0x32e/0x550 [ 301.660733][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 301.660755][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 301.660785][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 301.660812][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 301.660833][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 301.660888][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 301.660917][ T6494] ? rt_spin_unlock+0x160/0x200 [ 301.660940][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 301.660976][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 301.661032][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 301.661107][ T6494] kill_f2fs_super+0x308/0x710 [ 301.661135][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 301.661179][ T6494] deactivate_locked_super+0xbc/0x130 [ 301.661203][ T6494] cleanup_mnt+0x437/0x4d0 [ 301.661225][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 301.661253][ T6494] task_work_run+0x1d9/0x270 [ 301.661282][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 301.661318][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 301.661341][ T6494] ? rcu_is_watching+0x15/0xb0 [ 301.661369][ T6494] do_syscall_64+0x2b7/0xf80 [ 301.661394][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.661413][ T6494] ? trace_irq_disable+0x37/0x100 [ 301.661437][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 301.661462][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.661481][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 301.661498][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 301.661515][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 301.661535][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 301.661550][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 301.661562][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 301.661577][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 301.661590][ T6494] R13: 00007f8b25c0d1c3 R14: 0000000000049970 R15: 00007fff1c66cca0 [ 301.661623][ T6494] [ 301.661631][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 302.379342][ T6484] bio_check_eod: 25801 callbacks suppressed [ 302.379364][ T6484] syz.0.17: attempt to access beyond end of device [ 302.379364][ T6484] loop0: rw=0, sector=86744, nr_sectors = 8 limit=40427 [ 302.379517][ T6484] syz.0.17: attempt to access beyond end of device [ 302.379517][ T6484] loop0: rw=0, sector=86752, nr_sectors = 8 limit=40427 [ 302.379641][ T6484] syz.0.17: attempt to access beyond end of device [ 302.379641][ T6484] loop0: rw=0, sector=86760, nr_sectors = 8 limit=40427 [ 302.380157][ T6484] syz.0.17: attempt to access beyond end of device [ 302.380157][ T6484] loop0: rw=0, sector=86768, nr_sectors = 8 limit=40427 [ 302.380278][ T6484] syz.0.17: attempt to access beyond end of device [ 302.380278][ T6484] loop0: rw=0, sector=86776, nr_sectors = 8 limit=40427 [ 302.380427][ T6484] syz.0.17: attempt to access beyond end of device [ 302.380427][ T6484] loop0: rw=0, sector=86784, nr_sectors = 8 limit=40427 [ 302.380547][ T6484] syz.0.17: attempt to access beyond end of device [ 302.380547][ T6484] loop0: rw=0, sector=86792, nr_sectors = 8 limit=40427 [ 302.380667][ T6484] syz.0.17: attempt to access beyond end of device [ 302.380667][ T6484] loop0: rw=0, sector=86800, nr_sectors = 8 limit=40427 [ 302.380889][ T6484] syz.0.17: attempt to access beyond end of device [ 302.380889][ T6484] loop0: rw=0, sector=86808, nr_sectors = 8 limit=40427 [ 302.381067][ T6484] syz.0.17: attempt to access beyond end of device [ 302.381067][ T6484] loop0: rw=0, sector=86816, nr_sectors = 8 limit=40427 [ 302.776807][ T7037] loop1: detected capacity change from 0 to 40427 [ 302.794660][ T7037] F2FS-fs: heap/no_heap options were deprecated [ 302.795081][ T7037] F2FS-fs (loop1): Image doesn't support compression [ 302.795098][ T7037] F2FS-fs (loop1): build fault injection rate: 690 [ 302.806626][ T7037] F2FS-fs (loop1): invalid crc value [ 302.998767][ T7037] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 303.000122][ T7037] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 303.278316][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 303.278346][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 303.278359][ T6494] Call Trace: [ 303.278368][ T6494] [ 303.278377][ T6494] dump_stack_lvl+0xe8/0x150 [ 303.278410][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 303.278447][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 303.278484][ T6494] __submit_merged_bio+0x256/0x650 [ 303.278520][ T6494] __submit_merged_write_cond+0x269/0x530 [ 303.278572][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 303.278592][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 303.278651][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 303.278720][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 303.278762][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 303.278789][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 303.278815][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 303.278841][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 303.278862][ T6494] ? reacquire_held_locks+0x104/0x190 [ 303.278887][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 303.278921][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 303.278946][ T6494] ? rt_spin_unlock+0x160/0x200 [ 303.278965][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 303.278987][ T6494] do_writepages+0x32e/0x550 [ 303.279011][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 303.279035][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 303.279066][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 303.279092][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 303.279114][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 303.279170][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 303.279199][ T6494] ? rt_spin_unlock+0x160/0x200 [ 303.279222][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 303.279259][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 303.279310][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 303.279385][ T6494] kill_f2fs_super+0x308/0x710 [ 303.279413][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 303.279458][ T6494] deactivate_locked_super+0xbc/0x130 [ 303.279483][ T6494] cleanup_mnt+0x437/0x4d0 [ 303.279504][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 303.279534][ T6494] task_work_run+0x1d9/0x270 [ 303.279563][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 303.279600][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 303.279622][ T6494] ? rcu_is_watching+0x15/0xb0 [ 303.279651][ T6494] do_syscall_64+0x2b7/0xf80 [ 303.279676][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.279696][ T6494] ? trace_irq_disable+0x37/0x100 [ 303.279721][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 303.279746][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.279766][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 303.279785][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 303.279804][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 303.279826][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 303.279840][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 303.279853][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 303.279868][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 303.279881][ T6494] R13: 00007f8b25c0d1c3 R14: 0000000000049fb0 R15: 00007fff1c66cca0 [ 303.279920][ T6494] [ 303.279928][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 303.279979][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 303.280003][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 303.280015][ T6494] Call Trace: [ 303.280022][ T6494] [ 303.280030][ T6494] dump_stack_lvl+0xe8/0x150 [ 303.280058][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 303.280092][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 303.280129][ T6494] __submit_merged_bio+0x256/0x650 [ 303.280164][ T6494] __submit_merged_write_cond+0x269/0x530 [ 303.280199][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 303.280219][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 303.280279][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 303.280348][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 303.280390][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 303.280416][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 303.280441][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 303.280467][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 303.280489][ T6494] ? reacquire_held_locks+0x104/0x190 [ 303.280513][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 303.280541][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 303.280565][ T6494] ? rt_spin_unlock+0x160/0x200 [ 303.280585][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 303.280607][ T6494] do_writepages+0x32e/0x550 [ 303.280630][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 303.280653][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 303.280683][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 303.280709][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 303.280731][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 303.280786][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 303.280816][ T6494] ? rt_spin_unlock+0x160/0x200 [ 303.280839][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 303.280876][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 303.280933][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 303.281008][ T6494] kill_f2fs_super+0x308/0x710 [ 303.281036][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 303.281080][ T6494] deactivate_locked_super+0xbc/0x130 [ 303.281105][ T6494] cleanup_mnt+0x437/0x4d0 [ 303.281125][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 303.281155][ T6494] task_work_run+0x1d9/0x270 [ 303.281184][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 303.281221][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 303.281243][ T6494] ? rcu_is_watching+0x15/0xb0 [ 303.281271][ T6494] do_syscall_64+0x2b7/0xf80 [ 303.281297][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.281316][ T6494] ? trace_irq_disable+0x37/0x100 [ 303.281341][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 303.281365][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.281384][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 303.281401][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 303.281419][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 303.281439][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 303.281453][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 303.281466][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 303.281481][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 303.281494][ T6494] R13: 00007f8b25c0d1c3 R14: 0000000000049fb0 R15: 00007fff1c66cca0 [ 303.281526][ T6494] [ 303.281534][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 304.019825][ T5114] Bluetooth: hci1: command 0x0406 tx timeout [ 304.293191][ T7044] loop1: detected capacity change from 0 to 40427 [ 304.309971][ T7044] F2FS-fs: heap/no_heap options were deprecated [ 304.310352][ T7044] F2FS-fs (loop1): Image doesn't support compression [ 304.310369][ T7044] F2FS-fs (loop1): build fault injection rate: 690 [ 304.311460][ T7044] F2FS-fs (loop1): invalid crc value [ 304.459375][ T7044] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 304.460788][ T7044] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 2026/01/28 10:33:32 executed programs: 78 [ 304.718128][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 304.718158][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 304.718171][ T6494] Call Trace: [ 304.718179][ T6494] [ 304.718189][ T6494] dump_stack_lvl+0xe8/0x150 [ 304.718223][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 304.718261][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 304.718298][ T6494] __submit_merged_bio+0x256/0x650 [ 304.718334][ T6494] __submit_merged_write_cond+0x269/0x530 [ 304.718370][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 304.718391][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 304.718467][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 304.718535][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 304.718577][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 304.718604][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 304.718630][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 304.718656][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 304.718677][ T6494] ? reacquire_held_locks+0x104/0x190 [ 304.718701][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 304.718729][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 304.718754][ T6494] ? rt_spin_unlock+0x160/0x200 [ 304.718779][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 304.718802][ T6494] do_writepages+0x32e/0x550 [ 304.718826][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 304.718849][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 304.718879][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 304.718911][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 304.718932][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 304.718988][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 304.719017][ T6494] ? rt_spin_unlock+0x160/0x200 [ 304.719041][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 304.719078][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 304.719129][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 304.719203][ T6494] kill_f2fs_super+0x308/0x710 [ 304.719232][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 304.719277][ T6494] deactivate_locked_super+0xbc/0x130 [ 304.719302][ T6494] cleanup_mnt+0x437/0x4d0 [ 304.719324][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 304.719353][ T6494] task_work_run+0x1d9/0x270 [ 304.719383][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 304.719419][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 304.719442][ T6494] ? rcu_is_watching+0x15/0xb0 [ 304.719471][ T6494] do_syscall_64+0x2b7/0xf80 [ 304.719496][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.719516][ T6494] ? trace_irq_disable+0x37/0x100 [ 304.719541][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 304.719565][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.719585][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 304.719604][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 304.719622][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 304.719644][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 304.719659][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 304.719672][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 304.719687][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 304.719700][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004a51d R15: 00007fff1c66cca0 [ 304.719733][ T6494] [ 304.719742][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 304.719788][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 304.719811][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 304.719822][ T6494] Call Trace: [ 304.719830][ T6494] [ 304.719839][ T6494] dump_stack_lvl+0xe8/0x150 [ 304.719866][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 304.719901][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 304.719937][ T6494] __submit_merged_bio+0x256/0x650 [ 304.719972][ T6494] __submit_merged_write_cond+0x269/0x530 [ 304.720008][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 304.720026][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 304.720085][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 304.720154][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 304.720195][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 304.720221][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 304.720246][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 304.720272][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 304.720293][ T6494] ? reacquire_held_locks+0x104/0x190 [ 304.720317][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 304.720344][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 304.720369][ T6494] ? rt_spin_unlock+0x160/0x200 [ 304.720389][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 304.720412][ T6494] do_writepages+0x32e/0x550 [ 304.720435][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 304.720458][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 304.720488][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 304.720514][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 304.720536][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 304.720591][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 304.720621][ T6494] ? rt_spin_unlock+0x160/0x200 [ 304.720645][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 304.720681][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 304.720737][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 304.720816][ T6494] kill_f2fs_super+0x308/0x710 [ 304.720844][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 304.720889][ T6494] deactivate_locked_super+0xbc/0x130 [ 304.720914][ T6494] cleanup_mnt+0x437/0x4d0 [ 304.720935][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 304.720969][ T6494] task_work_run+0x1d9/0x270 [ 304.720997][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 304.721034][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 304.721057][ T6494] ? rcu_is_watching+0x15/0xb0 [ 304.721085][ T6494] do_syscall_64+0x2b7/0xf80 [ 304.721110][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.721130][ T6494] ? trace_irq_disable+0x37/0x100 [ 304.721155][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 304.721179][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.721199][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 304.721215][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 304.721233][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 304.721253][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 304.721267][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 304.721281][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 304.721295][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 304.721309][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004a51d R15: 00007fff1c66cca0 [ 304.721341][ T6494] [ 304.721349][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 305.415698][ T7051] loop1: detected capacity change from 0 to 40427 [ 305.428849][ T7051] F2FS-fs: heap/no_heap options were deprecated [ 305.430531][ T7051] F2FS-fs (loop1): Image doesn't support compression [ 305.430550][ T7051] F2FS-fs (loop1): build fault injection rate: 690 [ 305.431511][ T7051] F2FS-fs (loop1): invalid crc value [ 305.585894][ T7051] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 305.587740][ T7051] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 305.858551][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 305.858582][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 305.858594][ T6494] Call Trace: [ 305.858604][ T6494] [ 305.858612][ T6494] dump_stack_lvl+0xe8/0x150 [ 305.858646][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 305.858685][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 305.858724][ T6494] __submit_merged_bio+0x256/0x650 [ 305.858761][ T6494] __submit_merged_write_cond+0x269/0x530 [ 305.858805][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 305.858824][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 305.858889][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 305.858926][ T6494] ? rtlock_slowlock_locked+0xfb/0x3c80 [ 305.858978][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 305.859004][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 305.859049][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 305.859092][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 305.859118][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 305.859143][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 305.859170][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 305.859192][ T6494] do_writepages+0x32e/0x550 [ 305.859216][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 305.859239][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 305.859271][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 305.859298][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 305.859319][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 305.859385][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 305.859416][ T6494] ? rt_spin_unlock+0x160/0x200 [ 305.859439][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 305.859477][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 305.859532][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 305.859612][ T6494] kill_f2fs_super+0x308/0x710 [ 305.859643][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 305.859691][ T6494] deactivate_locked_super+0xbc/0x130 [ 305.859716][ T6494] cleanup_mnt+0x437/0x4d0 [ 305.859738][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 305.859768][ T6494] task_work_run+0x1d9/0x270 [ 305.859797][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 305.859835][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 305.859858][ T6494] ? rcu_is_watching+0x15/0xb0 [ 305.859887][ T6494] do_syscall_64+0x2b7/0xf80 [ 305.859913][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 305.859933][ T6494] ? trace_irq_disable+0x37/0x100 [ 305.859957][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 305.859982][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 305.860002][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 305.860021][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 305.860040][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 305.860062][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 305.860076][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 305.860089][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 305.860104][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 305.860117][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004a981 R15: 00007fff1c66cca0 [ 305.860152][ T6494] [ 305.860161][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 305.861502][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 305.861529][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 305.861541][ T6494] Call Trace: [ 305.861550][ T6494] [ 305.861559][ T6494] dump_stack_lvl+0xe8/0x150 [ 305.861590][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 305.861625][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 305.861664][ T6494] __submit_merged_bio+0x256/0x650 [ 305.861701][ T6494] __submit_merged_write_cond+0x269/0x530 [ 305.861739][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 305.861758][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 305.861823][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 305.861860][ T6494] ? rtlock_slowlock_locked+0xfb/0x3c80 [ 305.861912][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 305.861938][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 305.861982][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 305.862026][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 305.862052][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 305.862078][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 305.862105][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 305.862127][ T6494] do_writepages+0x32e/0x550 [ 305.862152][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 305.862176][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 305.862208][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 305.862235][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 305.862257][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 305.862317][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 305.862348][ T6494] ? rt_spin_unlock+0x160/0x200 [ 305.862379][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 305.862418][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 305.862477][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 305.862559][ T6494] kill_f2fs_super+0x308/0x710 [ 305.862589][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 305.862635][ T6494] deactivate_locked_super+0xbc/0x130 [ 305.862660][ T6494] cleanup_mnt+0x437/0x4d0 [ 305.862682][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 305.862711][ T6494] task_work_run+0x1d9/0x270 [ 305.862741][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 305.862778][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 305.862801][ T6494] ? rcu_is_watching+0x15/0xb0 [ 305.862830][ T6494] do_syscall_64+0x2b7/0xf80 [ 305.862857][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 305.862876][ T6494] ? trace_irq_disable+0x37/0x100 [ 305.862901][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 305.862926][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 305.862945][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 305.862964][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 305.862982][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 305.863002][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 305.863017][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 305.863030][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 305.863045][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 305.863058][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004a981 R15: 00007fff1c66cca0 [ 305.863093][ T6494] [ 305.863101][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 306.940997][ T7059] loop1: detected capacity change from 0 to 40427 [ 306.958121][ T7059] F2FS-fs: heap/no_heap options were deprecated [ 306.961592][ T7059] F2FS-fs (loop1): Image doesn't support compression [ 306.961624][ T7059] F2FS-fs (loop1): build fault injection rate: 690 [ 306.969124][ T7059] F2FS-fs (loop1): invalid crc value [ 307.192013][ T7059] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 307.194136][ T7059] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 307.390200][ T6484] bio_check_eod: 23340 callbacks suppressed [ 307.390221][ T6484] syz.0.17: attempt to access beyond end of device [ 307.390221][ T6484] loop0: rw=0, sector=86128, nr_sectors = 8 limit=40427 [ 307.390350][ T6484] syz.0.17: attempt to access beyond end of device [ 307.390350][ T6484] loop0: rw=0, sector=86136, nr_sectors = 8 limit=40427 [ 307.390473][ T6484] syz.0.17: attempt to access beyond end of device [ 307.390473][ T6484] loop0: rw=0, sector=86144, nr_sectors = 8 limit=40427 [ 307.390596][ T6484] syz.0.17: attempt to access beyond end of device [ 307.390596][ T6484] loop0: rw=0, sector=86152, nr_sectors = 8 limit=40427 [ 307.390717][ T6484] syz.0.17: attempt to access beyond end of device [ 307.390717][ T6484] loop0: rw=0, sector=86160, nr_sectors = 8 limit=40427 [ 307.390849][ T6484] syz.0.17: attempt to access beyond end of device [ 307.390849][ T6484] loop0: rw=0, sector=86168, nr_sectors = 8 limit=40427 [ 307.391008][ T6484] syz.0.17: attempt to access beyond end of device [ 307.391008][ T6484] loop0: rw=0, sector=86176, nr_sectors = 8 limit=40427 [ 307.391131][ T6484] syz.0.17: attempt to access beyond end of device [ 307.391131][ T6484] loop0: rw=0, sector=86184, nr_sectors = 8 limit=40427 [ 307.391261][ T6484] syz.0.17: attempt to access beyond end of device [ 307.391261][ T6484] loop0: rw=0, sector=86192, nr_sectors = 8 limit=40427 [ 307.391382][ T6484] syz.0.17: attempt to access beyond end of device [ 307.391382][ T6484] loop0: rw=0, sector=86200, nr_sectors = 8 limit=40427 [ 307.557943][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 307.557962][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 307.557969][ T6494] Call Trace: [ 307.557974][ T6494] [ 307.557980][ T6494] dump_stack_lvl+0xe8/0x150 [ 307.557999][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 307.558019][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 307.558038][ T6494] __submit_merged_bio+0x256/0x650 [ 307.558056][ T6494] __submit_merged_write_cond+0x269/0x530 [ 307.558074][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 307.558084][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 307.558115][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 307.558169][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 307.558192][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 307.558206][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 307.558219][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 307.558232][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 307.558243][ T6494] ? reacquire_held_locks+0x104/0x190 [ 307.558255][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 307.558269][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 307.558281][ T6494] ? rt_spin_unlock+0x160/0x200 [ 307.558291][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 307.558302][ T6494] do_writepages+0x32e/0x550 [ 307.558315][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 307.558326][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 307.558342][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 307.558355][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 307.558366][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 307.558413][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 307.558435][ T6494] ? rt_spin_unlock+0x160/0x200 [ 307.558453][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 307.558477][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 307.558503][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 307.558540][ T6494] kill_f2fs_super+0x308/0x710 [ 307.558554][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 307.558577][ T6494] deactivate_locked_super+0xbc/0x130 [ 307.558590][ T6494] cleanup_mnt+0x437/0x4d0 [ 307.558601][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 307.558616][ T6494] task_work_run+0x1d9/0x270 [ 307.558631][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 307.558649][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 307.558662][ T6494] ? rcu_is_watching+0x15/0xb0 [ 307.558677][ T6494] do_syscall_64+0x2b7/0xf80 [ 307.558690][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 307.558701][ T6494] ? trace_irq_disable+0x37/0x100 [ 307.558714][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 307.558727][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 307.558737][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 307.558749][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 307.558759][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 307.558772][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 307.558780][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 307.558786][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 307.558794][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 307.558800][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004b026 R15: 00007fff1c66cca0 [ 307.558817][ T6494] [ 307.558822][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 307.558846][ T6494] CPU: 1 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 307.558858][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 307.558864][ T6494] Call Trace: [ 307.558868][ T6494] [ 307.558872][ T6494] dump_stack_lvl+0xe8/0x150 [ 307.558886][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 307.558903][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 307.558922][ T6494] __submit_merged_bio+0x256/0x650 [ 307.558939][ T6494] __submit_merged_write_cond+0x269/0x530 [ 307.558957][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 307.558967][ T6494] ? is_bpf_text_address+0x26/0x2b0 [ 307.558997][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 307.559031][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 307.559052][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 307.559066][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 307.559078][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 307.559091][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 307.559101][ T6494] ? reacquire_held_locks+0x104/0x190 [ 307.559113][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 307.559133][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 307.559145][ T6494] ? rt_spin_unlock+0x160/0x200 [ 307.559155][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 307.559166][ T6494] do_writepages+0x32e/0x550 [ 307.559178][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 307.559189][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 307.559204][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 307.559218][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 307.559228][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 307.559256][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 307.559271][ T6494] ? rt_spin_unlock+0x160/0x200 [ 307.559282][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 307.559301][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 307.559326][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 307.559363][ T6494] kill_f2fs_super+0x308/0x710 [ 307.559377][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 307.559400][ T6494] deactivate_locked_super+0xbc/0x130 [ 307.559412][ T6494] cleanup_mnt+0x437/0x4d0 [ 307.559423][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 307.559437][ T6494] task_work_run+0x1d9/0x270 [ 307.559452][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 307.559470][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 307.559481][ T6494] ? rcu_is_watching+0x15/0xb0 [ 307.559495][ T6494] do_syscall_64+0x2b7/0xf80 [ 307.559508][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 307.559518][ T6494] ? trace_irq_disable+0x37/0x100 [ 307.559530][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 307.559542][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 307.559552][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 307.559560][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 307.559569][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 307.559579][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 307.559586][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 307.559593][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 307.559600][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 307.559606][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004b026 R15: 00007fff1c66cca0 [ 307.559622][ T6494] [ 307.559627][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 308.645362][ T7069] loop1: detected capacity change from 0 to 40427 [ 308.655542][ T7069] F2FS-fs: heap/no_heap options were deprecated [ 308.668945][ T7069] F2FS-fs (loop1): Image doesn't support compression [ 308.668966][ T7069] F2FS-fs (loop1): build fault injection rate: 690 [ 308.683068][ T7069] F2FS-fs (loop1): invalid crc value [ 308.845794][ T7069] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 308.850352][ T7069] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 309.109768][ T6494] CPU: 0 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 309.109799][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 309.109813][ T6494] Call Trace: [ 309.109822][ T6494] [ 309.109831][ T6494] dump_stack_lvl+0xe8/0x150 [ 309.109866][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 309.109904][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 309.109944][ T6494] __submit_merged_bio+0x256/0x650 [ 309.109981][ T6494] __submit_merged_write_cond+0x269/0x530 [ 309.110018][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 309.110037][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 309.110095][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 309.110169][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 309.110214][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 309.110242][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 309.110276][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 309.110302][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 309.110324][ T6494] ? reacquire_held_locks+0x104/0x190 [ 309.110348][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 309.110377][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 309.110403][ T6494] ? rt_spin_unlock+0x160/0x200 [ 309.110423][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 309.110447][ T6494] do_writepages+0x32e/0x550 [ 309.110471][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 309.110495][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 309.110527][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 309.110556][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 309.110577][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 309.110637][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 309.110669][ T6494] ? rt_spin_unlock+0x160/0x200 [ 309.110693][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 309.110732][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 309.110787][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 309.110867][ T6494] kill_f2fs_super+0x308/0x710 [ 309.110898][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 309.110946][ T6494] deactivate_locked_super+0xbc/0x130 [ 309.110972][ T6494] cleanup_mnt+0x437/0x4d0 [ 309.110994][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 309.111023][ T6494] task_work_run+0x1d9/0x270 [ 309.111053][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 309.111092][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 309.111115][ T6494] ? rcu_is_watching+0x15/0xb0 [ 309.111145][ T6494] do_syscall_64+0x2b7/0xf80 [ 309.111172][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 309.111192][ T6494] ? trace_irq_disable+0x37/0x100 [ 309.111217][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 309.111242][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 309.111269][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 309.111289][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 309.111307][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 309.111329][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 309.111343][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 309.111357][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 309.111372][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 309.111386][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004b638 R15: 00007fff1c66cca0 [ 309.111421][ T6494] [ 309.111430][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 309.112924][ T6494] CPU: 0 UID: 0 PID: 6494 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 309.112951][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 309.112964][ T6494] Call Trace: [ 309.112972][ T6494] [ 309.112981][ T6494] dump_stack_lvl+0xe8/0x150 [ 309.113012][ T6494] f2fs_handle_critical_error+0x354/0x510 [ 309.113048][ T6494] f2fs_write_end_io+0xc1d/0xfd0 [ 309.113087][ T6494] __submit_merged_bio+0x256/0x650 [ 309.113124][ T6494] __submit_merged_write_cond+0x269/0x530 [ 309.113161][ T6494] f2fs_write_data_pages+0x2806/0x3360 [ 309.113181][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 309.113237][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 309.113320][ T6494] ? do_raw_spin_lock+0x12b/0x2f0 [ 309.113364][ T6494] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 309.113391][ T6494] ? lockdep_hardirqs_on+0x7a/0x110 [ 309.113417][ T6494] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 309.113443][ T6494] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 309.113465][ T6494] ? reacquire_held_locks+0x104/0x190 [ 309.113489][ T6494] ? rt_spin_lock+0x1e0/0x400 [ 309.113518][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 309.113544][ T6494] ? rt_spin_unlock+0x160/0x200 [ 309.113564][ T6494] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 309.113587][ T6494] do_writepages+0x32e/0x550 [ 309.113617][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 309.113641][ T6494] ? rt_spin_unlock+0x14f/0x200 [ 309.113674][ T6494] filemap_fdatawrite+0x1ec/0x2f0 [ 309.113701][ T6494] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 309.113722][ T6494] ? __lock_acquire+0x6b5/0x2cf0 [ 309.113783][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 309.113783][ T6494] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 309.113813][ T6494] ? rt_spin_unlock+0x160/0x200 [ 309.113838][ T6494] f2fs_sync_dirty_inodes+0x30e/0x810 [ 309.113877][ T6494] f2fs_write_checkpoint+0x9c6/0x2490 [ 309.113932][ T6494] ? __pfx_f2fs_write_checkpoint+0x10/0x10 [ 309.114013][ T6494] kill_f2fs_super+0x308/0x710 [ 309.114044][ T6494] ? __pfx_kill_f2fs_super+0x10/0x10 [ 309.114092][ T6494] deactivate_locked_super+0xbc/0x130 [ 309.114118][ T6494] cleanup_mnt+0x437/0x4d0 [ 309.114140][ T6494] ? _raw_spin_unlock_irq+0x23/0x50 [ 309.114170][ T6494] task_work_run+0x1d9/0x270 [ 309.114200][ T6494] ? __pfx_task_work_run+0x10/0x10 [ 309.114239][ T6494] exit_to_user_mode_loop+0xed/0x480 [ 309.114269][ T6494] ? rcu_is_watching+0x15/0xb0 [ 309.114299][ T6494] do_syscall_64+0x2b7/0xf80 [ 309.114325][ T6494] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 309.114345][ T6494] ? trace_irq_disable+0x37/0x100 [ 309.114370][ T6494] ? clear_bhb_loop+0x60/0xb0 [ 309.114395][ T6494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 309.114415][ T6494] RIP: 0033:0x7f8b25b7b5d7 [ 309.114434][ T6494] Code: a2 c7 05 bc 6f 20 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 309.114453][ T6494] RSP: 002b:00007fff1c66bb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 309.114474][ T6494] RAX: 0000000000000000 RBX: 00007f8b25c0d1c3 RCX: 00007f8b25b7b5d7 [ 309.114489][ T6494] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1c66bbd0 [ 309.114502][ T6494] RBP: 00007fff1c66bbd0 R08: 00007fff1c66cbd0 R09: 00000000ffffffff [ 309.114517][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1c66cc60 [ 309.114530][ T6494] R13: 00007f8b25c0d1c3 R14: 000000000004b638 R15: 00007fff1c66cca0 [ 309.114566][ T6494] [ 309.114575][ T6494] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 309.617470][ T38] INFO: task syz.0.17:6488 blocked for more than 143 seconds. [ 309.617495][ T38] Not tainted syzkaller #0 [ 309.617506][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 309.617515][ T38] task:syz.0.17 state:D stack:28744 pid:6488 tgid:6483 ppid:6356 task_flags:0x400040 flags:0x00080002 [ 309.617593][ T38] Call Trace: [ 309.617601][ T38] [ 309.617615][ T38] __schedule+0x1472/0x4fe0 [ 309.617653][ T38] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 309.617679][ T38] ? preempt_schedule_thunk+0x16/0x30 [ 309.617706][ T38] ? preempt_schedule_thunk+0x16/0x30 [ 309.617734][ T38] ? __pfx___schedule+0x10/0x10 [ 309.617754][ T38] ? rcu_preempt_deferred_qs_irqrestore+0x906/0xbc0 [ 309.617793][ T38] rt_mutex_schedule+0x76/0xf0 [ 309.617818][ T38] ? __rt_mutex_slowlock_locked+0x1e2/0x25c0 [ 309.617847][ T38] __rt_mutex_slowlock_locked+0x1f8f/0x25c0 [ 309.617876][ T38] ? __lock_acquire+0x146e/0x2cf0 [ 309.617909][ T38] ? __rt_mutex_slowlock_locked+0x1e2/0x25c0 [ 309.617956][ T38] ? __pfx___rt_mutex_slowlock_locked+0x10/0x10 [ 309.617994][ T38] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 309.618021][ T38] ? rcu_is_watching+0x15/0xb0 [ 309.618046][ T38] __rwbase_read_lock+0xc3/0x180 [ 309.618073][ T38] ? __pfx___rwbase_read_lock+0x10/0x10 [ 309.618111][ T38] down_read+0x132/0x200 [ 309.618137][ T38] ? __pfx_down_read+0x10/0x10 [ 309.618171][ T38] f2fs_llseek+0x1f7/0x1890 [ 309.618215][ T38] ? __pfx_f2fs_llseek+0x10/0x10 [ 309.618240][ T38] ? mutex_lock_nested+0x152/0x1d0 [ 309.618286][ T38] ? fdget_pos+0x252/0x320 [ 309.618312][ T38] __x64_sys_lseek+0x155/0x1f0 [ 309.618339][ T38] do_syscall_64+0xe2/0xf80 [ 309.618365][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 309.618384][ T38] ? trace_irq_disable+0x37/0x100 [ 309.618409][ T38] ? clear_bhb_loop+0x60/0xb0 [ 309.618432][ T38] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 309.618451][ T38] RIP: 0033:0x7f8a145fa379 [ 309.618469][ T38] RSP: 002b:00007f8a13c3d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 [ 309.618489][ T38] RAX: ffffffffffffffda RBX: 00007f8a14836090 RCX: 00007f8a145fa379 [ 309.618504][ T38] RDX: 0000000000000004 RSI: 0000000000000008 RDI: 0000000000000004 [ 309.618517][ T38] RBP: 00007f8a1468dd68 R08: 0000000000000000 R09: 0000000000000000 [ 309.618529][ T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 309.618542][ T38] R13: 00007f8a14836128 R14: 00007f8a14836090 R15: 00007ffd5b9529f8 [ 309.618573][ T38] [ 309.618597][ T38] [ 309.618597][ T38] Showing all locks held in the system: [ 309.618606][ T38] 4 locks held by pr/legacy/17: [ 309.618619][ T38] 1 lock held by khungtaskd/38: [ 309.618630][ T38] #0: ffffffff8dbc77c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 309.618687][ T38] 2 locks held by kworker/u8:3/59: [ 309.618699][ T38] #0: ffff88813fe69938 ((wq_completion)events_unbound#2){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0 [ 309.618760][ T38] #1: ffffc9000125fbc0 ((reaper_work).work){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0 [ 309.618815][ T38] 4 locks held by kworker/u8:4/71: [ 309.618827][ T38] #0: ffff88801daf0938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0 [ 309.618882][ T38] #1: ffffc9000155fbc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0 [ 309.618936][ T38] #2: ffff888032a4a0d0 (&type->s_umount_key#55){++++}-{4:4}, at: super_trylock_shared+0x20/0xf0 [ 309.618987][ T38] #3: ffff888041525a80 (&sbi->gc_lock){+.+.}-{4:4}, at: f2fs_balance_fs+0x5d8/0x800 [ 309.619042][ T38] 4 locks held by kworker/0:2/887: [ 309.619070][ T38] 2 locks held by kworker/u8:10/3539: [ 309.619082][ T38] #0: ffff88813fe69938 ((wq_completion)events_unbound#2){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0 [ 309.619140][ T38] #1: ffffc9000dc57bc0 (connector_reaper_work){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0 [ 309.619197][ T38] 2 locks held by getty/5553: [ 309.619208][ T38] #0: ffff88814e7ad0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 309.619267][ T38] #1: ffffc90003e8b2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13c0 [ 309.619318][ T38] 6 locks held by syz.0.17/6484: [ 309.619330][ T38] 2 locks held by syz.0.17/6488: [ 309.619341][ T38] #0: ffff888035f9a128 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 309.619383][ T38] #1: ffff888030d91e10 (&sb->s_type->i_mutex_key#23){++++}-{4:4}, at: f2fs_llseek+0x1f7/0x1890 [ 309.619434][ T38] 4 locks held by syz-executor/6494: [ 309.619447][ T38] [ 309.619453][ T38] ============================================= [ 309.619453][ T38] [ 309.619472][ T38] NMI backtrace for cpu 1 [ 309.619487][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 309.619509][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 309.619521][ T38] Call Trace: [ 309.619532][ T38] [ 309.619540][ T38] dump_stack_lvl+0xe8/0x150 [ 309.619584][ T38] nmi_cpu_backtrace+0x274/0x2d0 [ 309.619604][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 309.619626][ T38] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 309.619649][ T38] sys_info+0x135/0x170 [ 309.619689][ T38] watchdog+0xf90/0xfe0 [ 309.619720][ T38] ? watchdog+0x209/0xfe0 [ 309.619751][ T38] kthread+0x726/0x8b0 [ 309.619776][ T38] ? __pfx_watchdog+0x10/0x10 [ 309.619801][ T38] ? __pfx_kthread+0x10/0x10 [ 309.619822][ T38] ? rt_spin_unlock+0x14f/0x200 [ 309.619893][ T38] ? rt_spin_unlock+0x160/0x200 [ 309.619913][ T38] ? __pfx_kthread+0x10/0x10 [ 309.619938][ T38] ret_from_fork+0x51b/0xa40 [ 309.619961][ T38] ? __pfx_ret_from_fork+0x10/0x10 [ 309.619979][ T38] ? __switch_to+0xc82/0x1410 [ 309.620010][ T38] ? __pfx_kthread+0x10/0x10 [ 309.620034][ T38] ret_from_fork_asm+0x1a/0x30 [ 309.620074][ T38] [ 309.620082][ T38] Sending NMI from CPU 1 to CPUs 0: [ 309.620113][ C0] NMI backtrace for cpu 0 [ 309.620133][ C0] CPU: 0 UID: 0 PID: 17 Comm: pr/legacy Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 309.620153][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 309.620165][ C0] RIP: 0010:delay_tsc+0x71/0xc0 [ 309.620185][ C0] Code: 00 00 e8 e2 71 86 f6 65 8b 05 eb 6d 19 07 85 c0 74 1c f3 90 bf 01 00 00 00 e8 2b 70 86 f6 e8 e6 76 01 00 39 c5 75 0e 0f 01 f9 <66> 90 eb bd e8 06 57 27 f6 eb dd 4c 29 fb e8 cc 76 01 00 89 c5 0f [ 309.620201][ C0] RSP: 0018:ffffc90000167950 EFLAGS: 00000246 [ 309.620217][ C0] RAX: 00000000f0a74e3e RBX: 0000000000000899 RCX: 0000000000000000 [ 309.620230][ C0] RDX: 00000000000000a0 RSI: ffffffff8b85e7e0 RDI: ffffffff8b85e7a0 [ 309.620243][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 309.620254][ C0] R10: dffffc0000000000 R11: ffffffff8b0c01f0 R12: 1ffffffff32d85fe [ 309.620268][ C0] R13: 00000000ffffffff R14: 000000a0f0a748f4 R15: 00000000000004b2 [ 309.620281][ C0] FS: 0000000000000000(0000) GS:ffff8881265c9000(0000) knlGS:0000000000000000 [ 309.620297][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 309.620310][ C0] CR2: 00007f8b1e17b000 CR3: 0000000026ad4000 CR4: 00000000003526f0 [ 309.620326][ C0] Call Trace: [ 309.620333][ C0] [ 309.620342][ C0] wait_for_lsr+0x166/0x2f0 [ 309.620369][ C0] serial8250_console_write+0x120d/0x1b90 [ 309.620394][ C0] ? __pfx_serial8250_console_write+0x10/0x10 [ 309.620413][ C0] ? console_flush_one_record+0xfa/0xb90 [ 309.620435][ C0] ? console_flush_one_record+0x48f/0xb90 [ 309.620456][ C0] console_flush_one_record+0x68b/0xb90 [ 309.620477][ C0] ? console_flush_one_record+0xfa/0xb90 [ 309.620498][ C0] ? __pfx_console_flush_one_record+0x10/0x10 [ 309.620517][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 309.620543][ C0] legacy_kthread_func+0x1b6/0x250 [ 309.620563][ C0] ? __pfx_legacy_kthread_func+0x10/0x10 [ 309.620581][ C0] ? __pfx_autoremove_wake_function+0x10/0x10 [ 309.620600][ C0] ? __kthread_parkme+0x7a/0x1f0 [ 309.620618][ C0] ? __kthread_parkme+0x19c/0x1f0 [ 309.620639][ C0] kthread+0x726/0x8b0 [ 309.620661][ C0] ? __pfx_legacy_kthread_func+0x10/0x10 [ 309.620679][ C0] ? __pfx_kthread+0x10/0x10 [ 309.620698][ C0] ? rt_spin_unlock+0x14f/0x200 [ 309.620718][ C0] ? rt_spin_unlock+0x160/0x200 [ 309.620740][ C0] ? __pfx_kthread+0x10/0x10 [ 309.620761][ C0] ret_from_fork+0x51b/0xa40 [ 309.620779][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 309.620796][ C0] ? __switch_to+0xc82/0x1410 [ 309.620823][ C0] ? __pfx_kthread+0x10/0x10 [ 309.620844][ C0] ret_from_fork_asm+0x1a/0x30 [ 309.620875][ C0] [ 309.621110][ T38] Kernel panic - not syncing: hung_task: blocked tasks [ 309.621129][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 309.621151][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 [ 309.621163][ T38] Call Trace: [ 309.621172][ T38] [ 309.621180][ T38] vpanic+0x1e0/0x670 [ 309.621209][ T38] panic+0xc5/0xd0 [ 309.621234][ T38] ? __pfx_panic+0x10/0x10 [ 309.621274][ T38] ? nmi_trigger_cpumask_backtrace+0x234/0x300 [ 309.621297][ T38] watchdog+0xfda/0xfe0 [ 309.621327][ T38] ? watchdog+0x209/0xfe0 [ 309.621358][ T38] kthread+0x726/0x8b0 [ 309.621384][ T38] ? __pfx_watchdog+0x10/0x10 [ 309.621409][ T38] ? __pfx_kthread+0x10/0x10 [ 309.621430][ T38] ? rt_spin_unlock+0x14f/0x200 [ 309.621453][ T38] ? rt_spin_unlock+0x160/0x200 [ 309.621472][ T38] ? __pfx_kthread+0x10/0x10 [ 309.621495][ T38] ret_from_fork+0x51b/0xa40 [ 309.621517][ T38] ? __pfx_ret_from_fork+0x10/0x10 [ 309.621536][ T38] ? __switch_to+0xc82/0x1410 [ 309.621567][ T38] ? __pfx_kthread+0x10/0x10 [ 309.621591][ T38] ret_from_fork_asm+0x1a/0x30 [ 309.621631][ T38] [ 309.622025][ T38] Kernel Offset: disabled