_64_after_hwframe+0x77/0x7f
[  285.286413][ T6978]  ? trace_irq_disable+0x37/0x100
[  285.286437][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  285.286460][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.286479][ T6978] RIP: 0033:0x7ff18febb5d7
[  285.286495][ T6978] 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
[  285.286512][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  285.286532][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  285.286545][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  285.286557][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  285.286571][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  285.286590][ T6978] R13: 00007ff18ff4d1c3 R14: 0000000000045876 R15: 00007ffc535022c0
[  285.286622][ T6978]  </TASK>
[  285.286630][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  286.954604][ T7033] loop2: detected capacity change from 0 to 40427
[  286.967106][ T7033] F2FS-fs: heap/no_heap options were deprecated
[  286.982720][ T7033] F2FS-fs (loop2): Image doesn't support compression
[  286.982742][ T7033] F2FS-fs (loop2): build fault injection rate: 690
[  286.984120][ T7033] F2FS-fs (loop2): invalid crc value
[  287.166222][ T7033] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  287.167749][ T7033] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  287.463942][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  287.463972][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  287.463984][ T6978] Call Trace:
[  287.463992][ T6978]  <TASK>
[  287.463999][ T6978]  dump_stack_lvl+0xe8/0x150
[  287.464032][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  287.464068][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  287.464105][ T6978]  __submit_merged_bio+0x256/0x650
[  287.464140][ T6978]  __submit_merged_write_cond+0x269/0x530
[  287.464174][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  287.464193][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  287.464255][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  287.464322][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  287.464363][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  287.464390][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  287.464415][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  287.464440][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  287.464460][ T6978]  ? reacquire_held_locks+0x104/0x190
[  287.464484][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  287.464510][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  287.464534][ T6978]  ? rt_spin_unlock+0x160/0x200
[  287.464553][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  287.464582][ T6978]  do_writepages+0x32e/0x550
[  287.464605][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  287.464627][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  287.464656][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  287.464683][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  287.464703][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  287.464763][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  287.464791][ T6978]  ? rt_spin_unlock+0x160/0x200
[  287.464813][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  287.464848][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  287.464899][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  287.464972][ T6978]  kill_f2fs_super+0x308/0x710
[  287.464999][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  287.465038][ T6978]  deactivate_locked_super+0xbc/0x130
[  287.465062][ T6978]  cleanup_mnt+0x437/0x4d0
[  287.465083][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  287.465111][ T6978]  task_work_run+0x1d9/0x270
[  287.465138][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  287.465174][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  287.465197][ T6978]  ? rcu_is_watching+0x15/0xb0
[  287.465224][ T6978]  do_syscall_64+0x2b7/0xf80
[  287.465249][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.465268][ T6978]  ? trace_irq_disable+0x37/0x100
[  287.465292][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  287.465315][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.465334][ T6978] RIP: 0033:0x7ff18febb5d7
[  287.465353][ T6978] 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
[  287.465370][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  287.465392][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  287.465405][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  287.465417][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  287.465431][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  287.465443][ T6978] R13: 00007ff18ff4d1c3 R14: 00000000000461c4 R15: 00007ffc535022c0
[  287.465474][ T6978]  </TASK>
[  287.465482][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  287.465524][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  287.465546][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  287.465565][ T6978] Call Trace:
[  287.465572][ T6978]  <TASK>
[  287.465580][ T6978]  dump_stack_lvl+0xe8/0x150
[  287.465606][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  287.465640][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  287.465676][ T6978]  __submit_merged_bio+0x256/0x650
[  287.465710][ T6978]  __submit_merged_write_cond+0x269/0x530
[  287.465745][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  287.465764][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  287.465823][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  287.465892][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  287.465932][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  287.465957][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  287.465981][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  287.466006][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  287.466026][ T6978]  ? reacquire_held_locks+0x104/0x190
[  287.466044][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  287.466064][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  287.466087][ T6978]  ? rt_spin_unlock+0x160/0x200
[  287.466105][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  287.466127][ T6978]  do_writepages+0x32e/0x550
[  287.466149][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  287.466170][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  287.466199][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  287.466226][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  287.466246][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  287.466298][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  287.466326][ T6978]  ? rt_spin_unlock+0x160/0x200
[  287.466348][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  287.466385][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  287.466434][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  287.466508][ T6978]  kill_f2fs_super+0x308/0x710
[  287.466535][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  287.466585][ T6978]  deactivate_locked_super+0xbc/0x130
[  287.466635][ T6978]  cleanup_mnt+0x437/0x4d0
[  287.466655][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  287.466684][ T6978]  task_work_run+0x1d9/0x270
[  287.466713][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  287.466749][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  287.466770][ T6978]  ? rcu_is_watching+0x15/0xb0
[  287.466797][ T6978]  do_syscall_64+0x2b7/0xf80
[  287.466822][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.466840][ T6978]  ? trace_irq_disable+0x37/0x100
[  287.466865][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  287.466888][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.466907][ T6978] RIP: 0033:0x7ff18febb5d7
[  287.466924][ T6978] 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
[  287.466941][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  287.466960][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  287.466974][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  287.466986][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  287.467001][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  287.467013][ T6978] R13: 00007ff18ff4d1c3 R14: 00000000000461c4 R15: 00007ffc535022c0
[  287.467046][ T6978]  </TASK>
[  287.467054][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  288.752174][ T6971] bio_check_eod: 36837 callbacks suppressed
[  288.752194][ T6971] syz.1.56: attempt to access beyond end of device
[  288.752194][ T6971] loop1: rw=524288, sector=86656, nr_sectors = 8 limit=40427
[  288.752346][ T6971] syz.1.56: attempt to access beyond end of device
[  288.752346][ T6971] loop1: rw=524288, sector=86664, nr_sectors = 8 limit=40427
[  288.752465][ T6971] syz.1.56: attempt to access beyond end of device
[  288.752465][ T6971] loop1: rw=524288, sector=86672, nr_sectors = 8 limit=40427
[  288.752592][ T6971] syz.1.56: attempt to access beyond end of device
[  288.752592][ T6971] loop1: rw=524288, sector=86680, nr_sectors = 8 limit=40427
[  288.752704][ T6971] syz.1.56: attempt to access beyond end of device
[  288.752704][ T6971] loop1: rw=524288, sector=86688, nr_sectors = 8 limit=40427
[  288.752815][ T6971] syz.1.56: attempt to access beyond end of device
[  288.752815][ T6971] loop1: rw=524288, sector=86696, nr_sectors = 8 limit=40427
[  288.752932][ T6971] syz.1.56: attempt to access beyond end of device
[  288.752932][ T6971] loop1: rw=524288, sector=86704, nr_sectors = 8 limit=40427
[  288.753058][ T6971] syz.1.56: attempt to access beyond end of device
[  288.753058][ T6971] loop1: rw=524288, sector=86712, nr_sectors = 8 limit=40427
[  288.753176][ T6971] syz.1.56: attempt to access beyond end of device
[  288.753176][ T6971] loop1: rw=524288, sector=86720, nr_sectors = 8 limit=40427
[  288.753293][ T6971] syz.1.56: attempt to access beyond end of device
[  288.753293][ T6971] loop1: rw=524288, sector=86728, nr_sectors = 8 limit=40427
[  288.776476][ T7040] loop2: detected capacity change from 0 to 40427
[  288.797753][ T7040] F2FS-fs: heap/no_heap options were deprecated
[  288.862651][ T7040] F2FS-fs (loop2): Image doesn't support compression
[  288.862675][ T7040] F2FS-fs (loop2): build fault injection rate: 690
[  288.863767][ T7040] F2FS-fs (loop2): invalid crc value
[  289.029341][ T7040] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  289.055367][ T7040] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  289.423146][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  289.423177][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  289.423191][ T6978] Call Trace:
[  289.423200][ T6978]  <TASK>
[  289.423209][ T6978]  dump_stack_lvl+0xe8/0x150
[  289.423242][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  289.423280][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  289.423318][ T6978]  __submit_merged_bio+0x256/0x650
[  289.423354][ T6978]  __submit_merged_write_cond+0x269/0x530
[  289.423400][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  289.423420][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  289.423481][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  289.423550][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  289.423593][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  289.423621][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  289.423647][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  289.423673][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  289.423695][ T6978]  ? reacquire_held_locks+0x104/0x190
[  289.423719][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  289.423747][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  289.423772][ T6978]  ? rt_spin_unlock+0x160/0x200
[  289.423792][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  289.423814][ T6978]  do_writepages+0x32e/0x550
[  289.423838][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  289.423861][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  289.423892][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  289.423918][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  289.423939][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  289.423995][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  289.424025][ T6978]  ? rt_spin_unlock+0x160/0x200
[  289.424048][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  289.424084][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  289.424130][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  289.424187][ T6978]  kill_f2fs_super+0x308/0x710
[  289.424209][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  289.424242][ T6978]  deactivate_locked_super+0xbc/0x130
[  289.424267][ T6978]  cleanup_mnt+0x437/0x4d0
[  289.424287][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  289.424316][ T6978]  task_work_run+0x1d9/0x270
[  289.424345][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  289.424425][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  289.424449][ T6978]  ? rcu_is_watching+0x15/0xb0
[  289.424477][ T6978]  do_syscall_64+0x2b7/0xf80
[  289.424504][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.424523][ T6978]  ? trace_irq_disable+0x37/0x100
[  289.424548][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  289.424573][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.424593][ T6978] RIP: 0033:0x7ff18febb5d7
[  289.424619][ T6978] 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
[  289.424637][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  289.424658][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  289.424673][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  289.424687][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  289.424702][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  289.424715][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004694d R15: 00007ffc535022c0
[  289.424748][ T6978]  </TASK>
[  289.424757][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  289.424804][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  289.424827][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  289.424839][ T6978] Call Trace:
[  289.424847][ T6978]  <TASK>
[  289.424855][ T6978]  dump_stack_lvl+0xe8/0x150
[  289.424883][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  289.424919][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  289.424956][ T6978]  __submit_merged_bio+0x256/0x650
[  289.424991][ T6978]  __submit_merged_write_cond+0x269/0x530
[  289.425028][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  289.425048][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  289.425109][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  289.425158][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  289.425189][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  289.425215][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  289.425247][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  289.425273][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  289.425295][ T6978]  ? reacquire_held_locks+0x104/0x190
[  289.425319][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  289.425347][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  289.425380][ T6978]  ? rt_spin_unlock+0x160/0x200
[  289.425399][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  289.425422][ T6978]  do_writepages+0x32e/0x550
[  289.425446][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  289.425469][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  289.425499][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  289.425526][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  289.425548][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  289.425603][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  289.425632][ T6978]  ? rt_spin_unlock+0x160/0x200
[  289.425655][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  289.425692][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  289.425744][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  289.425818][ T6978]  kill_f2fs_super+0x308/0x710
[  289.425847][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  289.425891][ T6978]  deactivate_locked_super+0xbc/0x130
[  289.425916][ T6978]  cleanup_mnt+0x437/0x4d0
[  289.425937][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  289.425966][ T6978]  task_work_run+0x1d9/0x270
[  289.425995][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  289.426031][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  289.426053][ T6978]  ? rcu_is_watching+0x15/0xb0
[  289.426081][ T6978]  do_syscall_64+0x2b7/0xf80
[  289.426107][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.426122][ T6978]  ? trace_irq_disable+0x37/0x100
[  289.426140][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  289.426160][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.426179][ T6978] RIP: 0033:0x7ff18febb5d7
[  289.426196][ T6978] 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
[  289.426214][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  289.426234][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  289.426248][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  289.426261][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  289.426276][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  289.426289][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004694d R15: 00007ffc535022c0
[  289.426327][ T6978]  </TASK>
[  289.426335][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  290.819701][ T7047] loop2: detected capacity change from 0 to 40427
[  290.821039][ T7047] F2FS-fs: heap/no_heap options were deprecated
[  290.844697][ T7047] F2FS-fs (loop2): Image doesn't support compression
[  290.844723][ T7047] F2FS-fs (loop2): build fault injection rate: 690
[  290.856608][ T7047] F2FS-fs (loop2): invalid crc value
[  291.219340][ T7047] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  291.221165][ T7047] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
2026/01/28 10:24:19 executed programs: 50
[  291.796077][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  291.796109][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  291.796122][ T6978] Call Trace:
[  291.796131][ T6978]  <TASK>
[  291.796140][ T6978]  dump_stack_lvl+0xe8/0x150
[  291.796181][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  291.796218][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  291.796256][ T6978]  __submit_merged_bio+0x256/0x650
[  291.796292][ T6978]  __submit_merged_write_cond+0x269/0x530
[  291.796328][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  291.796348][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  291.796409][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  291.796479][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  291.796521][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  291.796550][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  291.796575][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  291.796601][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  291.796623][ T6978]  ? reacquire_held_locks+0x104/0x190
[  291.796647][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  291.796673][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  291.796699][ T6978]  ? rt_spin_unlock+0x160/0x200
[  291.796718][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  291.796741][ T6978]  do_writepages+0x32e/0x550
[  291.796765][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  291.796788][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  291.796818][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  291.796846][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  291.796867][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  291.796921][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  291.796950][ T6978]  ? rt_spin_unlock+0x160/0x200
[  291.796973][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  291.797010][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  291.797061][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  291.797135][ T6978]  kill_f2fs_super+0x308/0x710
[  291.797169][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  291.797205][ T6978]  deactivate_locked_super+0xbc/0x130
[  291.797228][ T6978]  cleanup_mnt+0x437/0x4d0
[  291.797247][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  291.797273][ T6978]  task_work_run+0x1d9/0x270
[  291.797301][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  291.797335][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  291.797358][ T6978]  ? rcu_is_watching+0x15/0xb0
[  291.797384][ T6978]  do_syscall_64+0x2b7/0xf80
[  291.797407][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.797425][ T6978]  ? trace_irq_disable+0x37/0x100
[  291.797448][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  291.797469][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.797489][ T6978] RIP: 0033:0x7ff18febb5d7
[  291.797507][ T6978] 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
[  291.797524][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  291.797543][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  291.797556][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  291.797567][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  291.797580][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  291.797593][ T6978] R13: 00007ff18ff4d1c3 R14: 00000000000471fe R15: 00007ffc535022c0
[  291.797622][ T6978]  </TASK>
[  291.799419][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  291.799482][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  291.799504][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  291.799518][ T6978] Call Trace:
[  291.799526][ T6978]  <TASK>
[  291.799534][ T6978]  dump_stack_lvl+0xe8/0x150
[  291.799563][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  291.799599][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  291.799631][ T6978]  __submit_merged_bio+0x256/0x650
[  291.799664][ T6978]  __submit_merged_write_cond+0x269/0x530
[  291.799699][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  291.799717][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  291.799777][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  291.799842][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  291.799882][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  291.799908][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  291.799934][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  291.799959][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  291.799979][ T6978]  ? reacquire_held_locks+0x104/0x190
[  291.800003][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  291.800031][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  291.800056][ T6978]  ? rt_spin_unlock+0x160/0x200
[  291.800076][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  291.800098][ T6978]  do_writepages+0x32e/0x550
[  291.800122][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  291.800145][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  291.800184][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  291.800212][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  291.800233][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  291.800289][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  291.800319][ T6978]  ? rt_spin_unlock+0x160/0x200
[  291.800343][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  291.800380][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  291.800432][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  291.800506][ T6978]  kill_f2fs_super+0x308/0x710
[  291.800535][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  291.800580][ T6978]  deactivate_locked_super+0xbc/0x130
[  291.800606][ T6978]  cleanup_mnt+0x437/0x4d0
[  291.800628][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  291.800657][ T6978]  task_work_run+0x1d9/0x270
[  291.800687][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  291.800723][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  291.800745][ T6978]  ? rcu_is_watching+0x15/0xb0
[  291.800773][ T6978]  do_syscall_64+0x2b7/0xf80
[  291.800799][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.800818][ T6978]  ? trace_irq_disable+0x37/0x100
[  291.800842][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  291.800867][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.800886][ T6978] RIP: 0033:0x7ff18febb5d7
[  291.800905][ T6978] 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
[  291.800921][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  291.800943][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  291.800957][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  291.800970][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  291.800985][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  291.800998][ T6978] R13: 00007ff18ff4d1c3 R14: 00000000000471fe R15: 00007ffc535022c0
[  291.801031][ T6978]  </TASK>
[  291.801301][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  293.518517][ T7054] loop2: detected capacity change from 0 to 40427
[  293.533204][ T7054] F2FS-fs: heap/no_heap options were deprecated
[  293.552372][ T7054] F2FS-fs (loop2): Image doesn't support compression
[  293.552396][ T7054] F2FS-fs (loop2): build fault injection rate: 690
[  293.553433][ T7054] F2FS-fs (loop2): invalid crc value
[  293.766950][ T6665] bio_check_eod: 38037 callbacks suppressed
[  293.766971][ T6665] syz.0.17: attempt to access beyond end of device
[  293.766971][ T6665] loop0: rw=524288, sector=88072, nr_sectors = 8 limit=40427
[  293.767098][ T6665] syz.0.17: attempt to access beyond end of device
[  293.767098][ T6665] loop0: rw=524288, sector=88080, nr_sectors = 8 limit=40427
[  293.767214][ T6665] syz.0.17: attempt to access beyond end of device
[  293.767214][ T6665] loop0: rw=524288, sector=88088, nr_sectors = 8 limit=40427
[  293.767362][ T6665] syz.0.17: attempt to access beyond end of device
[  293.767362][ T6665] loop0: rw=524288, sector=88096, nr_sectors = 8 limit=40427
[  293.767484][ T6665] syz.0.17: attempt to access beyond end of device
[  293.767484][ T6665] loop0: rw=524288, sector=88104, nr_sectors = 8 limit=40427
[  293.767601][ T6665] syz.0.17: attempt to access beyond end of device
[  293.767601][ T6665] loop0: rw=524288, sector=88112, nr_sectors = 8 limit=40427
[  293.767713][ T6665] syz.0.17: attempt to access beyond end of device
[  293.767713][ T6665] loop0: rw=524288, sector=88120, nr_sectors = 8 limit=40427
[  293.767951][ T6665] syz.0.17: attempt to access beyond end of device
[  293.767951][ T6665] loop0: rw=524288, sector=88128, nr_sectors = 8 limit=40427
[  293.768072][ T6665] syz.0.17: attempt to access beyond end of device
[  293.768072][ T6665] loop0: rw=524288, sector=88136, nr_sectors = 8 limit=40427
[  293.768183][ T6665] syz.0.17: attempt to access beyond end of device
[  293.768183][ T6665] loop0: rw=524288, sector=88144, nr_sectors = 8 limit=40427
[  293.930163][ T7054] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  293.954315][ T7054] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  294.423118][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  294.423150][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  294.423163][ T6978] Call Trace:
[  294.423171][ T6978]  <TASK>
[  294.423180][ T6978]  dump_stack_lvl+0xe8/0x150
[  294.423213][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  294.423251][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  294.423288][ T6978]  __submit_merged_bio+0x256/0x650
[  294.423325][ T6978]  __submit_merged_write_cond+0x269/0x530
[  294.423362][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  294.423382][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  294.423443][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  294.423513][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  294.423556][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  294.423583][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  294.423609][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  294.423636][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  294.423657][ T6978]  ? reacquire_held_locks+0x104/0x190
[  294.423681][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  294.423709][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  294.423734][ T6978]  ? rt_spin_unlock+0x160/0x200
[  294.423754][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  294.423777][ T6978]  do_writepages+0x32e/0x550
[  294.423801][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  294.423824][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  294.423855][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  294.423882][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  294.423910][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  294.423966][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  294.423996][ T6978]  ? rt_spin_unlock+0x160/0x200
[  294.424018][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  294.424055][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  294.424106][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  294.424180][ T6978]  kill_f2fs_super+0x308/0x710
[  294.424209][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  294.424254][ T6978]  deactivate_locked_super+0xbc/0x130
[  294.424280][ T6978]  cleanup_mnt+0x437/0x4d0
[  294.424301][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  294.424330][ T6978]  task_work_run+0x1d9/0x270
[  294.424359][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  294.424396][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  294.424419][ T6978]  ? rcu_is_watching+0x15/0xb0
[  294.424447][ T6978]  do_syscall_64+0x2b7/0xf80
[  294.424474][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.424493][ T6978]  ? trace_irq_disable+0x37/0x100
[  294.424518][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  294.424543][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.424562][ T6978] RIP: 0033:0x7ff18febb5d7
[  294.424581][ T6978] 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
[  294.424599][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  294.424621][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  294.424636][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  294.424649][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  294.424664][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  294.424677][ T6978] R13: 00007ff18ff4d1c3 R14: 0000000000047c89 R15: 00007ffc535022c0
[  294.424711][ T6978]  </TASK>
[  294.424719][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  294.424760][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  294.424783][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  294.424795][ T6978] Call Trace:
[  294.424803][ T6978]  <TASK>
[  294.424811][ T6978]  dump_stack_lvl+0xe8/0x150
[  294.424838][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  294.424873][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  294.424916][ T6978]  __submit_merged_bio+0x256/0x650
[  294.424950][ T6978]  __submit_merged_write_cond+0x269/0x530
[  294.424987][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  294.425007][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  294.425067][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  294.425138][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  294.425180][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  294.425207][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  294.425232][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  294.425259][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  294.425281][ T6978]  ? reacquire_held_locks+0x104/0x190
[  294.425306][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  294.425334][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  294.425359][ T6978]  ? rt_spin_unlock+0x160/0x200
[  294.425379][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  294.425402][ T6978]  do_writepages+0x32e/0x550
[  294.425425][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  294.425449][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  294.425480][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  294.425506][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  294.425528][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  294.425585][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  294.425615][ T6978]  ? rt_spin_unlock+0x160/0x200
[  294.425639][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  294.425676][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  294.425727][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  294.425802][ T6978]  kill_f2fs_super+0x308/0x710
[  294.425831][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  294.425876][ T6978]  deactivate_locked_super+0xbc/0x130
[  294.425906][ T6978]  cleanup_mnt+0x437/0x4d0
[  294.425927][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  294.425957][ T6978]  task_work_run+0x1d9/0x270
[  294.425986][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  294.426023][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  294.426045][ T6978]  ? rcu_is_watching+0x15/0xb0
[  294.426074][ T6978]  do_syscall_64+0x2b7/0xf80
[  294.426099][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.426119][ T6978]  ? trace_irq_disable+0x37/0x100
[  294.426144][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  294.426168][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.426188][ T6978] RIP: 0033:0x7ff18febb5d7
[  294.426204][ T6978] 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
[  294.426222][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  294.426242][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  294.426256][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  294.426269][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  294.426284][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  294.426298][ T6978] R13: 00007ff18ff4d1c3 R14: 0000000000047c89 R15: 00007ffc535022c0
[  294.426331][ T6978]  </TASK>
[  294.426339][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  296.097938][ T7061] loop2: detected capacity change from 0 to 40427
[  296.112923][ T7061] F2FS-fs: heap/no_heap options were deprecated
[  296.148372][ T7061] F2FS-fs (loop2): Image doesn't support compression
[  296.148396][ T7061] F2FS-fs (loop2): build fault injection rate: 690
[  296.150351][ T7061] F2FS-fs (loop2): invalid crc value
[  296.462058][ T7061] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  296.485869][ T7061] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
2026/01/28 10:24:24 executed programs: 52
[  297.022500][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  297.022531][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  297.022545][ T6978] Call Trace:
[  297.022553][ T6978]  <TASK>
[  297.022562][ T6978]  dump_stack_lvl+0xe8/0x150
[  297.022595][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  297.022632][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  297.022669][ T6978]  __submit_merged_bio+0x256/0x650
[  297.022704][ T6978]  __submit_merged_write_cond+0x269/0x530
[  297.022745][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  297.022763][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  297.022821][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  297.022890][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  297.022935][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  297.022962][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  297.022988][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  297.023013][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  297.023035][ T6978]  ? reacquire_held_locks+0x104/0x190
[  297.023058][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  297.023085][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  297.023110][ T6978]  ? rt_spin_unlock+0x160/0x200
[  297.023128][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  297.023150][ T6978]  do_writepages+0x32e/0x550
[  297.023174][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  297.023197][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  297.023227][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  297.023253][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  297.023273][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  297.023328][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  297.023357][ T6978]  ? rt_spin_unlock+0x160/0x200
[  297.023380][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  297.023416][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  297.023471][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  297.023544][ T6978]  kill_f2fs_super+0x308/0x710
[  297.023573][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  297.023616][ T6978]  deactivate_locked_super+0xbc/0x130
[  297.023641][ T6978]  cleanup_mnt+0x437/0x4d0
[  297.023662][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  297.023690][ T6978]  task_work_run+0x1d9/0x270
[  297.023719][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  297.023755][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  297.023778][ T6978]  ? rcu_is_watching+0x15/0xb0
[  297.023807][ T6978]  do_syscall_64+0x2b7/0xf80
[  297.023833][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.023852][ T6978]  ? trace_irq_disable+0x37/0x100
[  297.023877][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  297.023898][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.023916][ T6978] RIP: 0033:0x7ff18febb5d7
[  297.023934][ T6978] 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
[  297.023952][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  297.023974][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  297.023988][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  297.024001][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  297.024016][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  297.024029][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004865f R15: 00007ffc535022c0
[  297.024062][ T6978]  </TASK>
[  297.024071][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  297.024114][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  297.024137][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  297.024148][ T6978] Call Trace:
[  297.024156][ T6978]  <TASK>
[  297.024165][ T6978]  dump_stack_lvl+0xe8/0x150
[  297.024192][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  297.024226][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  297.024262][ T6978]  __submit_merged_bio+0x256/0x650
[  297.024297][ T6978]  __submit_merged_write_cond+0x269/0x530
[  297.024332][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  297.024352][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  297.024410][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  297.024484][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  297.024525][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  297.024551][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  297.024575][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  297.024600][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  297.024621][ T6978]  ? reacquire_held_locks+0x104/0x190
[  297.024645][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  297.024672][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  297.024696][ T6978]  ? rt_spin_unlock+0x160/0x200
[  297.024716][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  297.024736][ T6978]  do_writepages+0x32e/0x550
[  297.024755][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  297.024775][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  297.024801][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  297.024825][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  297.024851][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  297.024904][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  297.024933][ T6978]  ? rt_spin_unlock+0x160/0x200
[  297.024956][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  297.024993][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  297.025042][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  297.025116][ T6978]  kill_f2fs_super+0x308/0x710
[  297.025145][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  297.025188][ T6978]  deactivate_locked_super+0xbc/0x130
[  297.025212][ T6978]  cleanup_mnt+0x437/0x4d0
[  297.025233][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  297.025262][ T6978]  task_work_run+0x1d9/0x270
[  297.025290][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  297.025326][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  297.025349][ T6978]  ? rcu_is_watching+0x15/0xb0
[  297.025376][ T6978]  do_syscall_64+0x2b7/0xf80
[  297.025401][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.025426][ T6978]  ? trace_irq_disable+0x37/0x100
[  297.025450][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  297.025472][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.025489][ T6978] RIP: 0033:0x7ff18febb5d7
[  297.025506][ T6978] 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
[  297.025524][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  297.025544][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  297.025557][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  297.025571][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  297.025586][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  297.025599][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004865f R15: 00007ffc535022c0
[  297.025632][ T6978]  </TASK>
[  297.025640][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  298.635498][ T7068] loop2: detected capacity change from 0 to 40427
[  298.643965][ T7068] F2FS-fs: heap/no_heap options were deprecated
[  298.666960][ T7068] F2FS-fs (loop2): Image doesn't support compression
[  298.666986][ T7068] F2FS-fs (loop2): build fault injection rate: 690
[  298.682422][ T7068] F2FS-fs (loop2): invalid crc value
[  298.772112][ T6665] bio_check_eod: 40857 callbacks suppressed
[  298.772134][ T6665] syz.0.17: attempt to access beyond end of device
[  298.772134][ T6665] loop0: rw=0, sector=86672, nr_sectors = 8 limit=40427
[  298.772278][ T6665] syz.0.17: attempt to access beyond end of device
[  298.772278][ T6665] loop0: rw=0, sector=86680, nr_sectors = 8 limit=40427
[  298.772393][ T6665] syz.0.17: attempt to access beyond end of device
[  298.772393][ T6665] loop0: rw=0, sector=86688, nr_sectors = 8 limit=40427
[  298.772535][ T6665] syz.0.17: attempt to access beyond end of device
[  298.772535][ T6665] loop0: rw=0, sector=86696, nr_sectors = 8 limit=40427
[  298.772636][ T6665] syz.0.17: attempt to access beyond end of device
[  298.772636][ T6665] loop0: rw=0, sector=86704, nr_sectors = 8 limit=40427
[  298.772775][ T6665] syz.0.17: attempt to access beyond end of device
[  298.772775][ T6665] loop0: rw=0, sector=86712, nr_sectors = 8 limit=40427
[  298.772922][ T6665] syz.0.17: attempt to access beyond end of device
[  298.772922][ T6665] loop0: rw=0, sector=86720, nr_sectors = 8 limit=40427
[  298.773009][ T6665] syz.0.17: attempt to access beyond end of device
[  298.773009][ T6665] loop0: rw=0, sector=86728, nr_sectors = 8 limit=40427
[  298.773082][ T6665] syz.0.17: attempt to access beyond end of device
[  298.773082][ T6665] loop0: rw=0, sector=86736, nr_sectors = 8 limit=40427
[  298.773146][ T6665] syz.0.17: attempt to access beyond end of device
[  298.773146][ T6665] loop0: rw=0, sector=86744, nr_sectors = 8 limit=40427
[  299.020690][ T7068] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  299.056087][ T7068] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  299.363384][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  299.363414][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  299.363427][ T6978] Call Trace:
[  299.363443][ T6978]  <TASK>
[  299.363452][ T6978]  dump_stack_lvl+0xe8/0x150
[  299.363484][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  299.363521][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  299.363558][ T6978]  __submit_merged_bio+0x256/0x650
[  299.363594][ T6978]  __submit_merged_write_cond+0x269/0x530
[  299.363630][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  299.363650][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  299.363710][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  299.363779][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  299.363821][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  299.363850][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  299.363875][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  299.363906][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  299.363927][ T6978]  ? reacquire_held_locks+0x104/0x190
[  299.363952][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  299.363979][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  299.364004][ T6978]  ? rt_spin_unlock+0x160/0x200
[  299.364024][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  299.364045][ T6978]  do_writepages+0x32e/0x550
[  299.364068][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  299.364091][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  299.364122][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  299.364149][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  299.364169][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  299.364225][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  299.364254][ T6978]  ? rt_spin_unlock+0x160/0x200
[  299.364278][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  299.364315][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  299.364366][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  299.364445][ T6978]  kill_f2fs_super+0x308/0x710
[  299.364474][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  299.364519][ T6978]  deactivate_locked_super+0xbc/0x130
[  299.364544][ T6978]  cleanup_mnt+0x437/0x4d0
[  299.364565][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  299.364595][ T6978]  task_work_run+0x1d9/0x270
[  299.364624][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  299.364661][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  299.364685][ T6978]  ? rcu_is_watching+0x15/0xb0
[  299.364713][ T6978]  do_syscall_64+0x2b7/0xf80
[  299.364739][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.364759][ T6978]  ? trace_irq_disable+0x37/0x100
[  299.364784][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  299.364808][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.364828][ T6978] RIP: 0033:0x7ff18febb5d7
[  299.364848][ T6978] 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
[  299.364866][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  299.364888][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  299.364903][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  299.364916][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  299.364931][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  299.364944][ T6978] R13: 00007ff18ff4d1c3 R14: 0000000000049048 R15: 00007ffc535022c0
[  299.364977][ T6978]  </TASK>
[  299.364986][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  299.365026][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  299.365048][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  299.365061][ T6978] Call Trace:
[  299.365068][ T6978]  <TASK>
[  299.365077][ T6978]  dump_stack_lvl+0xe8/0x150
[  299.365104][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  299.365139][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  299.365175][ T6978]  __submit_merged_bio+0x256/0x650
[  299.365210][ T6978]  __submit_merged_write_cond+0x269/0x530
[  299.365244][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  299.365263][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  299.365322][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  299.365392][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  299.365439][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  299.365466][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  299.365490][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  299.365516][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  299.365537][ T6978]  ? reacquire_held_locks+0x104/0x190
[  299.365561][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  299.365589][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  299.365613][ T6978]  ? rt_spin_unlock+0x160/0x200
[  299.365633][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  299.365655][ T6978]  do_writepages+0x32e/0x550
[  299.365679][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  299.365701][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  299.365731][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  299.365758][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  299.365779][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  299.365835][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  299.365864][ T6978]  ? rt_spin_unlock+0x160/0x200
[  299.365888][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  299.365925][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  299.365976][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  299.366051][ T6978]  kill_f2fs_super+0x308/0x710
[  299.366080][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  299.366124][ T6978]  deactivate_locked_super+0xbc/0x130
[  299.366149][ T6978]  cleanup_mnt+0x437/0x4d0
[  299.366169][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  299.366198][ T6978]  task_work_run+0x1d9/0x270
[  299.366227][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  299.366264][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  299.366287][ T6978]  ? rcu_is_watching+0x15/0xb0
[  299.366315][ T6978]  do_syscall_64+0x2b7/0xf80
[  299.366340][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.366359][ T6978]  ? trace_irq_disable+0x37/0x100
[  299.366384][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  299.366409][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.366428][ T6978] RIP: 0033:0x7ff18febb5d7
[  299.366451][ T6978] 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
[  299.366468][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  299.366488][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  299.366502][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  299.366515][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  299.366530][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  299.366543][ T6978] R13: 00007ff18ff4d1c3 R14: 0000000000049048 R15: 00007ffc535022c0
[  299.366576][ T6978]  </TASK>
[  299.366584][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  301.079117][ T7075] loop2: detected capacity change from 0 to 40427
[  301.120686][ T7075] F2FS-fs: heap/no_heap options were deprecated
[  301.123537][ T7075] F2FS-fs (loop2): Image doesn't support compression
[  301.123561][ T7075] F2FS-fs (loop2): build fault injection rate: 690
[  301.124877][ T7075] F2FS-fs (loop2): invalid crc value
[  301.472649][ T7075] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  301.473897][ T7075] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  301.889317][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  301.889347][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  301.889360][ T6978] Call Trace:
[  301.889369][ T6978]  <TASK>
[  301.889378][ T6978]  dump_stack_lvl+0xe8/0x150
[  301.889412][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  301.889449][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  301.889489][ T6978]  __submit_merged_bio+0x256/0x650
[  301.889525][ T6978]  __submit_merged_write_cond+0x269/0x530
[  301.889562][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  301.889620][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  301.889695][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  301.889739][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  301.889765][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  301.889790][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  301.889815][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  301.889835][ T6978]  ? reacquire_held_locks+0x104/0x190
[  301.889859][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  301.889887][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  301.889912][ T6978]  ? rt_spin_unlock+0x160/0x200
[  301.889931][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  301.889952][ T6978]  do_writepages+0x32e/0x550
[  301.889976][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  301.890006][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  301.890037][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  301.890065][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  301.890085][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  301.890146][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  301.890177][ T6978]  ? rt_spin_unlock+0x160/0x200
[  301.890201][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  301.890239][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  301.890294][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  301.890375][ T6978]  kill_f2fs_super+0x308/0x710
[  301.890406][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  301.890454][ T6978]  deactivate_locked_super+0xbc/0x130
[  301.890479][ T6978]  cleanup_mnt+0x437/0x4d0
[  301.890501][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  301.890530][ T6978]  task_work_run+0x1d9/0x270
[  301.890561][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  301.890598][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  301.890622][ T6978]  ? rcu_is_watching+0x15/0xb0
[  301.890651][ T6978]  do_syscall_64+0x2b7/0xf80
[  301.890677][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.890696][ T6978]  ? trace_irq_disable+0x37/0x100
[  301.890721][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  301.890747][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.890767][ T6978] RIP: 0033:0x7ff18febb5d7
[  301.890786][ T6978] 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
[  301.890803][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  301.890825][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  301.890840][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  301.890854][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  301.890868][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  301.890882][ T6978] R13: 00007ff18ff4d1c3 R14: 00000000000499ee R15: 00007ffc535022c0
[  301.890917][ T6978]  </TASK>
[  301.890926][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  301.891466][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  301.891493][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  301.891506][ T6978] Call Trace:
[  301.891514][ T6978]  <TASK>
[  301.891523][ T6978]  dump_stack_lvl+0xe8/0x150
[  301.891553][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  301.891588][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  301.891624][ T6978]  __submit_merged_bio+0x256/0x650
[  301.891660][ T6978]  __submit_merged_write_cond+0x269/0x530
[  301.891696][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  301.891748][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  301.891817][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  301.891859][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  301.891886][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  301.891911][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  301.891949][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  301.891972][ T6978]  ? reacquire_held_locks+0x104/0x190
[  301.892000][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  301.892024][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  301.892045][ T6978]  ? rt_spin_unlock+0x160/0x200
[  301.892062][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  301.892081][ T6978]  do_writepages+0x32e/0x550
[  301.892104][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  301.892127][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  301.892157][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  301.892184][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  301.892205][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  301.892253][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  301.892275][ T6978]  ? rt_spin_unlock+0x160/0x200
[  301.892297][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  301.892333][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  301.892384][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  301.892463][ T6978]  kill_f2fs_super+0x308/0x710
[  301.892492][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  301.892536][ T6978]  deactivate_locked_super+0xbc/0x130
[  301.892560][ T6978]  cleanup_mnt+0x437/0x4d0
[  301.892581][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  301.892609][ T6978]  task_work_run+0x1d9/0x270
[  301.892639][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  301.892674][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  301.892697][ T6978]  ? rcu_is_watching+0x15/0xb0
[  301.892725][ T6978]  do_syscall_64+0x2b7/0xf80
[  301.892750][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.892769][ T6978]  ? trace_irq_disable+0x37/0x100
[  301.892794][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  301.892818][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.892837][ T6978] RIP: 0033:0x7ff18febb5d7
[  301.892855][ T6978] 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
[  301.892873][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  301.892893][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  301.892908][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  301.892920][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  301.892935][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  301.892948][ T6978] R13: 00007ff18ff4d1c3 R14: 00000000000499ee R15: 00007ffc535022c0
[  301.893102][ T6978]  </TASK>
[  301.912071][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  303.576550][ T7082] loop2: detected capacity change from 0 to 40427
[  303.583436][ T7082] F2FS-fs: heap/no_heap options were deprecated
[  303.588796][ T7082] F2FS-fs (loop2): Image doesn't support compression
[  303.588819][ T7082] F2FS-fs (loop2): build fault injection rate: 690
[  303.590041][ T7082] F2FS-fs (loop2): invalid crc value
[  303.790163][ T6665] bio_check_eod: 40389 callbacks suppressed
[  303.790183][ T6665] syz.0.17: attempt to access beyond end of device
[  303.790183][ T6665] loop0: rw=0, sector=88528, nr_sectors = 8 limit=40427
[  303.790339][ T6665] syz.0.17: attempt to access beyond end of device
[  303.790339][ T6665] loop0: rw=0, sector=88536, nr_sectors = 8 limit=40427
[  303.790460][ T6665] syz.0.17: attempt to access beyond end of device
[  303.790460][ T6665] loop0: rw=0, sector=88544, nr_sectors = 8 limit=40427
[  303.790582][ T6665] syz.0.17: attempt to access beyond end of device
[  303.790582][ T6665] loop0: rw=0, sector=88552, nr_sectors = 8 limit=40427
[  303.790701][ T6665] syz.0.17: attempt to access beyond end of device
[  303.790701][ T6665] loop0: rw=0, sector=88560, nr_sectors = 8 limit=40427
[  303.790828][ T6665] syz.0.17: attempt to access beyond end of device
[  303.790828][ T6665] loop0: rw=0, sector=88568, nr_sectors = 8 limit=40427
[  303.790951][ T6665] syz.0.17: attempt to access beyond end of device
[  303.790951][ T6665] loop0: rw=0, sector=88576, nr_sectors = 8 limit=40427
[  303.791095][ T6665] syz.0.17: attempt to access beyond end of device
[  303.791095][ T6665] loop0: rw=0, sector=88584, nr_sectors = 8 limit=40427
[  303.791212][ T6665] syz.0.17: attempt to access beyond end of device
[  303.791212][ T6665] loop0: rw=0, sector=88592, nr_sectors = 8 limit=40427
[  303.791327][ T6665] syz.0.17: attempt to access beyond end of device
[  303.791327][ T6665] loop0: rw=0, sector=88600, nr_sectors = 8 limit=40427
[  303.959098][ T7082] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  303.992196][ T7082] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
2026/01/28 10:24:31 executed programs: 55
[  304.397901][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  304.397932][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  304.397944][ T6978] Call Trace:
[  304.397952][ T6978]  <TASK>
[  304.397961][ T6978]  dump_stack_lvl+0xe8/0x150
[  304.397993][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  304.398031][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  304.398076][ T6978]  __submit_merged_bio+0x256/0x650
[  304.398112][ T6978]  __submit_merged_write_cond+0x269/0x530
[  304.398147][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  304.398167][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  304.398227][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  304.398296][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  304.398337][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  304.398365][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  304.398389][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  304.398410][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  304.398429][ T6978]  ? reacquire_held_locks+0x104/0x190
[  304.398451][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  304.398477][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  304.398500][ T6978]  ? rt_spin_unlock+0x160/0x200
[  304.398520][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  304.398542][ T6978]  do_writepages+0x32e/0x550
[  304.398563][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  304.398586][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  304.398615][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  304.398642][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  304.398663][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  304.398719][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  304.398748][ T6978]  ? rt_spin_unlock+0x160/0x200
[  304.398772][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  304.398807][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  304.398868][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  304.398942][ T6978]  kill_f2fs_super+0x308/0x710
[  304.398972][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  304.399016][ T6978]  deactivate_locked_super+0xbc/0x130
[  304.399041][ T6978]  cleanup_mnt+0x437/0x4d0
[  304.399069][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  304.399098][ T6978]  task_work_run+0x1d9/0x270
[  304.399128][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  304.399164][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  304.399187][ T6978]  ? rcu_is_watching+0x15/0xb0
[  304.399216][ T6978]  do_syscall_64+0x2b7/0xf80
[  304.399242][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.399260][ T6978]  ? trace_irq_disable+0x37/0x100
[  304.399285][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  304.399309][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.399329][ T6978] RIP: 0033:0x7ff18febb5d7
[  304.399349][ T6978] 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
[  304.399368][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  304.399389][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  304.399404][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  304.399418][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  304.399433][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  304.399446][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004a39d R15: 00007ffc535022c0
[  304.399480][ T6978]  </TASK>
[  304.399489][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  304.399536][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  304.399559][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  304.399573][ T6978] Call Trace:
[  304.399580][ T6978]  <TASK>
[  304.399589][ T6978]  dump_stack_lvl+0xe8/0x150
[  304.399617][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  304.399651][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  304.399687][ T6978]  __submit_merged_bio+0x256/0x650
[  304.399722][ T6978]  __submit_merged_write_cond+0x269/0x530
[  304.399758][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  304.399778][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  304.399836][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  304.399904][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  304.399946][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  304.399972][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  304.399997][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  304.400023][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  304.400051][ T6978]  ? reacquire_held_locks+0x104/0x190
[  304.400075][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  304.400103][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  304.400128][ T6978]  ? rt_spin_unlock+0x160/0x200
[  304.400147][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  304.400169][ T6978]  do_writepages+0x32e/0x550
[  304.400192][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  304.400216][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  304.400246][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  304.400272][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  304.400293][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  304.400349][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  304.400378][ T6978]  ? rt_spin_unlock+0x160/0x200
[  304.400401][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  304.400439][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  304.400489][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  304.400563][ T6978]  kill_f2fs_super+0x308/0x710
[  304.400592][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  304.400637][ T6978]  deactivate_locked_super+0xbc/0x130
[  304.400661][ T6978]  cleanup_mnt+0x437/0x4d0
[  304.400681][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  304.400711][ T6978]  task_work_run+0x1d9/0x270
[  304.400740][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  304.400777][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  304.400799][ T6978]  ? rcu_is_watching+0x15/0xb0
[  304.400827][ T6978]  do_syscall_64+0x2b7/0xf80
[  304.400853][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.400872][ T6978]  ? trace_irq_disable+0x37/0x100
[  304.400896][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  304.400920][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.400940][ T6978] RIP: 0033:0x7ff18febb5d7
[  304.400957][ T6978] 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
[  304.400975][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  304.400995][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  304.401009][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  304.401023][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  304.401038][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  304.401056][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004a39d R15: 00007ffc535022c0
[  304.401089][ T6978]  </TASK>
[  304.401097][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  305.896075][ T7089] loop2: detected capacity change from 0 to 40427
[  305.897387][ T7089] F2FS-fs: heap/no_heap options were deprecated
[  305.931511][ T7089] F2FS-fs (loop2): Image doesn't support compression
[  305.931535][ T7089] F2FS-fs (loop2): build fault injection rate: 690
[  305.941335][ T7089] F2FS-fs (loop2): invalid crc value
[  306.116299][ T7089] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  306.117694][ T7089] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  306.654580][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  306.654611][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  306.654623][ T6978] Call Trace:
[  306.654632][ T6978]  <TASK>
[  306.654641][ T6978]  dump_stack_lvl+0xe8/0x150
[  306.654675][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  306.654712][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  306.654747][ T6978]  __submit_merged_bio+0x256/0x650
[  306.654784][ T6978]  __submit_merged_write_cond+0x269/0x530
[  306.654819][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  306.654839][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  306.654891][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  306.654959][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  306.654997][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  306.655021][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  306.655046][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  306.655071][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  306.655092][ T6978]  ? reacquire_held_locks+0x104/0x190
[  306.655116][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  306.655144][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  306.655169][ T6978]  ? rt_spin_unlock+0x160/0x200
[  306.655200][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  306.655222][ T6978]  do_writepages+0x32e/0x550
[  306.655246][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  306.655269][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  306.655299][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  306.655326][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  306.655346][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  306.655400][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  306.655429][ T6978]  ? rt_spin_unlock+0x160/0x200
[  306.655452][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  306.655495][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  306.655547][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  306.655620][ T6978]  kill_f2fs_super+0x308/0x710
[  306.655649][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  306.655694][ T6978]  deactivate_locked_super+0xbc/0x130
[  306.655718][ T6978]  cleanup_mnt+0x437/0x4d0
[  306.655739][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  306.655768][ T6978]  task_work_run+0x1d9/0x270
[  306.655797][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  306.655834][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  306.655857][ T6978]  ? rcu_is_watching+0x15/0xb0
[  306.655886][ T6978]  do_syscall_64+0x2b7/0xf80
[  306.655912][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.655932][ T6978]  ? trace_irq_disable+0x37/0x100
[  306.655956][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  306.655981][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.656001][ T6978] RIP: 0033:0x7ff18febb5d7
[  306.656022][ T6978] 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
[  306.656040][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  306.656062][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  306.656077][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  306.656090][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  306.656105][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  306.656118][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004ac10 R15: 00007ffc535022c0
[  306.656150][ T6978]  </TASK>
[  306.656159][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  306.656203][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  306.656225][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  306.656238][ T6978] Call Trace:
[  306.656246][ T6978]  <TASK>
[  306.656254][ T6978]  dump_stack_lvl+0xe8/0x150
[  306.656282][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  306.656316][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  306.656352][ T6978]  __submit_merged_bio+0x256/0x650
[  306.656387][ T6978]  __submit_merged_write_cond+0x269/0x530
[  306.656423][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  306.656441][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  306.656663][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  306.656757][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  306.656793][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  306.656819][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  306.656843][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  306.656868][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  306.656889][ T6978]  ? reacquire_held_locks+0x104/0x190
[  306.656913][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  306.656940][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  306.656965][ T6978]  ? rt_spin_unlock+0x160/0x200
[  306.656984][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  306.657008][ T6978]  do_writepages+0x32e/0x550
[  306.657031][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  306.657054][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  306.657085][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  306.657113][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  306.657134][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  306.657205][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  306.657235][ T6978]  ? rt_spin_unlock+0x160/0x200
[  306.657258][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  306.657295][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  306.657361][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  306.657445][ T6978]  kill_f2fs_super+0x308/0x710
[  306.657474][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  306.657526][ T6978]  deactivate_locked_super+0xbc/0x130
[  306.657552][ T6978]  cleanup_mnt+0x437/0x4d0
[  306.657574][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  306.657603][ T6978]  task_work_run+0x1d9/0x270
[  306.657633][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  306.657670][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  306.657694][ T6978]  ? rcu_is_watching+0x15/0xb0
[  306.657722][ T6978]  do_syscall_64+0x2b7/0xf80
[  306.657748][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.657767][ T6978]  ? trace_irq_disable+0x37/0x100
[  306.657792][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  306.657817][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.657837][ T6978] RIP: 0033:0x7ff18febb5d7
[  306.657857][ T6978] 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
[  306.657875][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  306.657897][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  306.657912][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  306.657925][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  306.657940][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  306.657954][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004ac10 R15: 00007ffc535022c0
[  306.657987][ T6978]  </TASK>
[  306.657997][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  308.031925][ T7096] loop2: detected capacity change from 0 to 40427
[  308.045771][ T7096] F2FS-fs: heap/no_heap options were deprecated
[  308.059503][ T7096] F2FS-fs (loop2): Image doesn't support compression
[  308.059526][ T7096] F2FS-fs (loop2): build fault injection rate: 690
[  308.060660][ T7096] F2FS-fs (loop2): invalid crc value
[  308.429546][ T7096] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  308.431837][ T7096] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  308.773298][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  308.773330][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  308.773436][ T6978] Call Trace:
[  308.773445][ T6978]  <TASK>
[  308.773455][ T6978]  dump_stack_lvl+0xe8/0x150
[  308.773488][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  308.773525][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  308.773570][ T6978]  __submit_merged_bio+0x256/0x650
[  308.773605][ T6978]  __submit_merged_write_cond+0x269/0x530
[  308.773641][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  308.773703][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  308.773768][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  308.773811][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  308.773838][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  308.773863][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  308.773889][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  308.773910][ T6978]  ? reacquire_held_locks+0x104/0x190
[  308.773934][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  308.773962][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  308.773985][ T6978]  ? rt_spin_unlock+0x160/0x200
[  308.774004][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  308.774025][ T6978]  do_writepages+0x32e/0x550
[  308.774049][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  308.774072][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  308.774107][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  308.774134][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  308.774158][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  308.774212][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  308.774242][ T6978]  ? rt_spin_unlock+0x160/0x200
[  308.774265][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  308.774302][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  308.774356][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  308.774427][ T6978]  kill_f2fs_super+0x308/0x710
[  308.774456][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  308.774499][ T6978]  deactivate_locked_super+0xbc/0x130
[  308.774526][ T6978]  cleanup_mnt+0x437/0x4d0
[  308.774547][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  308.774576][ T6978]  task_work_run+0x1d9/0x270
[  308.774609][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  308.774644][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  308.774666][ T6978]  ? rcu_is_watching+0x15/0xb0
[  308.774695][ T6978]  do_syscall_64+0x2b7/0xf80
[  308.774720][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.774747][ T6978]  ? trace_irq_disable+0x37/0x100
[  308.774776][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  308.774800][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.774820][ T6978] RIP: 0033:0x7ff18febb5d7
[  308.774839][ T6978] 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
[  308.774857][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  308.774879][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  308.774893][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  308.774906][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  308.774921][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  308.774934][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004b4c6 R15: 00007ffc535022c0
[  308.774976][ T6978]  </TASK>
[  308.774986][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  308.775038][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  308.775060][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  308.775072][ T6978] Call Trace:
[  308.775080][ T6978]  <TASK>
[  308.775089][ T6978]  dump_stack_lvl+0xe8/0x150
[  308.775116][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  308.775150][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  308.775187][ T6978]  __submit_merged_bio+0x256/0x650
[  308.775222][ T6978]  __submit_merged_write_cond+0x269/0x530
[  308.775257][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  308.775309][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  308.775384][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  308.775426][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  308.775452][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  308.775477][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  308.775503][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  308.775525][ T6978]  ? reacquire_held_locks+0x104/0x190
[  308.775549][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  308.775576][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  308.775601][ T6978]  ? rt_spin_unlock+0x160/0x200
[  308.775620][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  308.775642][ T6978]  do_writepages+0x32e/0x550
[  308.775665][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  308.775687][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  308.775718][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  308.775744][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  308.775765][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  308.775827][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  308.775857][ T6978]  ? rt_spin_unlock+0x160/0x200
[  308.775881][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  308.775917][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  308.775968][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  308.776041][ T6978]  kill_f2fs_super+0x308/0x710
[  308.776070][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  308.776122][ T6978]  deactivate_locked_super+0xbc/0x130
[  308.776146][ T6978]  cleanup_mnt+0x437/0x4d0
[  308.776167][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  308.776196][ T6978]  task_work_run+0x1d9/0x270
[  308.776224][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  308.776260][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  308.776282][ T6978]  ? rcu_is_watching+0x15/0xb0
[  308.776310][ T6978]  do_syscall_64+0x2b7/0xf80
[  308.776335][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.776360][ T6978]  ? trace_irq_disable+0x37/0x100
[  308.776384][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  308.776408][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.776427][ T6978] RIP: 0033:0x7ff18febb5d7
[  308.776444][ T6978] 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
[  308.776460][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  308.776480][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  308.776494][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  308.776505][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  308.776519][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  308.776533][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004b4c6 R15: 00007ffc535022c0
[  308.776565][ T6978]  </TASK>
[  308.776574][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  308.794955][ T6665] bio_check_eod: 37288 callbacks suppressed
[  308.794974][ T6665] syz.0.17: attempt to access beyond end of device
[  308.794974][ T6665] loop0: rw=0, sector=89456, nr_sectors = 8 limit=40427
[  308.795122][ T6665] syz.0.17: attempt to access beyond end of device
[  308.795122][ T6665] loop0: rw=0, sector=89464, nr_sectors = 8 limit=40427
[  308.795258][ T6665] syz.0.17: attempt to access beyond end of device
[  308.795258][ T6665] loop0: rw=0, sector=89472, nr_sectors = 8 limit=40427
[  308.795403][ T6665] syz.0.17: attempt to access beyond end of device
[  308.795403][ T6665] loop0: rw=0, sector=89480, nr_sectors = 8 limit=40427
[  308.795519][ T6665] syz.0.17: attempt to access beyond end of device
[  308.795519][ T6665] loop0: rw=0, sector=89488, nr_sectors = 8 limit=40427
[  308.797314][ T6665] syz.0.17: attempt to access beyond end of device
[  308.797314][ T6665] loop0: rw=0, sector=89496, nr_sectors = 8 limit=40427
[  308.797444][ T6665] syz.0.17: attempt to access beyond end of device
[  308.797444][ T6665] loop0: rw=0, sector=89504, nr_sectors = 8 limit=40427
[  308.797577][ T6665] syz.0.17: attempt to access beyond end of device
[  308.797577][ T6665] loop0: rw=0, sector=89512, nr_sectors = 8 limit=40427
[  308.797700][ T6665] syz.0.17: attempt to access beyond end of device
[  308.797700][ T6665] loop0: rw=0, sector=89520, nr_sectors = 8 limit=40427
[  308.797822][ T6665] syz.0.17: attempt to access beyond end of device
[  308.797822][ T6665] loop0: rw=0, sector=89528, nr_sectors = 8 limit=40427
[  309.212352][ T5117] Bluetooth: hci1: command 0x0406 tx timeout
[  310.227155][ T7103] loop2: detected capacity change from 0 to 40427
[  310.228436][ T7103] F2FS-fs: heap/no_heap options were deprecated
[  310.250142][ T7103] F2FS-fs (loop2): Image doesn't support compression
[  310.250165][ T7103] F2FS-fs (loop2): build fault injection rate: 690
[  310.254344][ T7103] F2FS-fs (loop2): invalid crc value
[  310.575912][ T7103] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  310.577634][ T7103] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
2026/01/28 10:24:38 executed programs: 58
[  310.953111][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  310.953163][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  310.953176][ T6978] Call Trace:
[  310.953185][ T6978]  <TASK>
[  310.953194][ T6978]  dump_stack_lvl+0xe8/0x150
[  310.953227][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  310.953264][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  310.953301][ T6978]  __submit_merged_bio+0x256/0x650
[  310.953337][ T6978]  __submit_merged_write_cond+0x269/0x530
[  310.953373][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  310.953392][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  310.953454][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  310.953525][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  310.953567][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  310.953594][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  310.953621][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  310.953647][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  310.953668][ T6978]  ? reacquire_held_locks+0x104/0x190
[  310.953693][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  310.953721][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  310.953745][ T6978]  ? rt_spin_unlock+0x160/0x200
[  310.953765][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  310.953787][ T6978]  do_writepages+0x32e/0x550
[  310.953811][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  310.953834][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  310.953874][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  310.953901][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  310.953923][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  310.953979][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  310.954009][ T6978]  ? rt_spin_unlock+0x160/0x200
[  310.954033][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  310.954070][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  310.954122][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  310.954204][ T6978]  kill_f2fs_super+0x308/0x710
[  310.954233][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  310.954277][ T6978]  deactivate_locked_super+0xbc/0x130
[  310.954303][ T6978]  cleanup_mnt+0x437/0x4d0
[  310.954324][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  310.954353][ T6978]  task_work_run+0x1d9/0x270
[  310.954382][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  310.954419][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  310.954447][ T6978]  ? rcu_is_watching+0x15/0xb0
[  310.954477][ T6978]  do_syscall_64+0x2b7/0xf80
[  310.954502][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.954522][ T6978]  ? trace_irq_disable+0x37/0x100
[  310.954547][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  310.954572][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.954593][ T6978] RIP: 0033:0x7ff18febb5d7
[  310.954613][ T6978] 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
[  310.954630][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  310.954653][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  310.954668][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  310.954681][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  310.954696][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  310.954710][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004bd69 R15: 00007ffc535022c0
[  310.954743][ T6978]  </TASK>
[  310.954752][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  310.954797][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  310.954817][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  310.954827][ T6978] Call Trace:
[  310.954835][ T6978]  <TASK>
[  310.954843][ T6978]  dump_stack_lvl+0xe8/0x150
[  310.954867][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  310.954899][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  310.954934][ T6978]  __submit_merged_bio+0x256/0x650
[  310.954968][ T6978]  __submit_merged_write_cond+0x269/0x530
[  310.955004][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  310.955023][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  310.955087][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  310.955162][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  310.955203][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  310.955228][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  310.955253][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  310.955278][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  310.955300][ T6978]  ? reacquire_held_locks+0x104/0x190
[  310.955324][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  310.955351][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  310.955376][ T6978]  ? rt_spin_unlock+0x160/0x200
[  310.955395][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  310.955417][ T6978]  do_writepages+0x32e/0x550
[  310.955439][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  310.955463][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  310.955497][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  310.955524][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  310.955549][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  310.955600][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  310.955627][ T6978]  ? rt_spin_unlock+0x160/0x200
[  310.955649][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  310.955685][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  310.955736][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  310.955817][ T6978]  kill_f2fs_super+0x308/0x710
[  310.955846][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  310.955884][ T6978]  deactivate_locked_super+0xbc/0x130
[  310.955907][ T6978]  cleanup_mnt+0x437/0x4d0
[  310.955928][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  310.955956][ T6978]  task_work_run+0x1d9/0x270
[  310.955984][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  310.956029][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  310.956052][ T6978]  ? rcu_is_watching+0x15/0xb0
[  310.956079][ T6978]  do_syscall_64+0x2b7/0xf80
[  310.956104][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.956123][ T6978]  ? trace_irq_disable+0x37/0x100
[  310.956217][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  310.956240][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.956259][ T6978] RIP: 0033:0x7ff18febb5d7
[  310.956277][ T6978] 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
[  310.956294][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  310.956313][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  310.956327][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  310.956340][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  310.956355][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  310.956369][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004bd69 R15: 00007ffc535022c0
[  310.956396][ T6978]  </TASK>
[  310.956405][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  312.631482][ T7112] loop2: detected capacity change from 0 to 40427
[  312.653146][ T7112] F2FS-fs: heap/no_heap options were deprecated
[  312.662155][ T7112] F2FS-fs (loop2): Image doesn't support compression
[  312.662176][ T7112] F2FS-fs (loop2): build fault injection rate: 690
[  312.665992][ T7112] F2FS-fs (loop2): invalid crc value
[  312.826767][ T7112] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  312.852127][ T7112] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  313.453255][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  313.453284][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  313.453298][ T6978] Call Trace:
[  313.453306][ T6978]  <TASK>
[  313.453315][ T6978]  dump_stack_lvl+0xe8/0x150
[  313.453348][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  313.453384][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  313.453421][ T6978]  __submit_merged_bio+0x256/0x650
[  313.453456][ T6978]  __submit_merged_write_cond+0x269/0x530
[  313.453491][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  313.453511][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  313.453562][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  313.453630][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  313.453671][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  313.453698][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  313.453723][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  313.453748][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  313.453769][ T6978]  ? reacquire_held_locks+0x104/0x190
[  313.453793][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  313.453821][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  313.453852][ T6978]  ? rt_spin_unlock+0x160/0x200
[  313.453871][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  313.453893][ T6978]  do_writepages+0x32e/0x550
[  313.453917][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  313.453939][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  313.453969][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  313.453996][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  313.454017][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  313.454071][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  313.454100][ T6978]  ? rt_spin_unlock+0x160/0x200
[  313.454124][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  313.454160][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  313.454211][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  313.454284][ T6978]  kill_f2fs_super+0x308/0x710
[  313.454312][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  313.454356][ T6978]  deactivate_locked_super+0xbc/0x130
[  313.454379][ T6978]  cleanup_mnt+0x437/0x4d0
[  313.454400][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  313.454429][ T6978]  task_work_run+0x1d9/0x270
[  313.454457][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  313.454494][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  313.454516][ T6978]  ? rcu_is_watching+0x15/0xb0
[  313.454544][ T6978]  do_syscall_64+0x2b7/0xf80
[  313.454569][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.454589][ T6978]  ? trace_irq_disable+0x37/0x100
[  313.454626][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  313.454650][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.454671][ T6978] RIP: 0033:0x7ff18febb5d7
[  313.454690][ T6978] 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
[  313.454707][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  313.454726][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  313.454740][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  313.454754][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  313.454768][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  313.454781][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004c67a R15: 00007ffc535022c0
[  313.454814][ T6978]  </TASK>
[  313.454822][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  313.454871][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  313.454893][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  313.454906][ T6978] Call Trace:
[  313.454913][ T6978]  <TASK>
[  313.454921][ T6978]  dump_stack_lvl+0xe8/0x150
[  313.454949][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  313.454983][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  313.455019][ T6978]  __submit_merged_bio+0x256/0x650
[  313.455053][ T6978]  __submit_merged_write_cond+0x269/0x530
[  313.455095][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  313.455114][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  313.455165][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  313.455233][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  313.455274][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  313.455300][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  313.455324][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  313.455350][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  313.455371][ T6978]  ? reacquire_held_locks+0x104/0x190
[  313.455400][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  313.455427][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  313.455452][ T6978]  ? rt_spin_unlock+0x160/0x200
[  313.455471][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  313.455493][ T6978]  do_writepages+0x32e/0x550
[  313.455515][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  313.455538][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  313.455568][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  313.455594][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  313.455615][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  313.455670][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  313.455697][ T6978]  ? rt_spin_unlock+0x160/0x200
[  313.455726][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  313.455762][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  313.455812][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  313.455892][ T6978]  kill_f2fs_super+0x308/0x710
[  313.455920][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  313.455964][ T6978]  deactivate_locked_super+0xbc/0x130
[  313.455988][ T6978]  cleanup_mnt+0x437/0x4d0
[  313.456009][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  313.456037][ T6978]  task_work_run+0x1d9/0x270
[  313.456066][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  313.456101][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  313.456123][ T6978]  ? rcu_is_watching+0x15/0xb0
[  313.456150][ T6978]  do_syscall_64+0x2b7/0xf80
[  313.456175][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.456194][ T6978]  ? trace_irq_disable+0x37/0x100
[  313.456218][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  313.456242][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.456261][ T6978] RIP: 0033:0x7ff18febb5d7
[  313.456278][ T6978] 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
[  313.456295][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  313.456315][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  313.456330][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  313.456343][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  313.456357][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  313.456370][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004c67a R15: 00007ffc535022c0
[  313.456403][ T6978]  </TASK>
[  313.456410][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  313.806221][ T6665] bio_check_eod: 35141 callbacks suppressed
[  313.806243][ T6665] syz.0.17: attempt to access beyond end of device
[  313.806243][ T6665] loop0: rw=0, sector=86952, nr_sectors = 8 limit=40427
[  313.806371][ T6665] syz.0.17: attempt to access beyond end of device
[  313.806371][ T6665] loop0: rw=0, sector=86960, nr_sectors = 8 limit=40427
[  313.806490][ T6665] syz.0.17: attempt to access beyond end of device
[  313.806490][ T6665] loop0: rw=0, sector=86968, nr_sectors = 8 limit=40427
[  313.806608][ T6665] syz.0.17: attempt to access beyond end of device
[  313.806608][ T6665] loop0: rw=0, sector=86976, nr_sectors = 8 limit=40427
[  313.806721][ T6665] syz.0.17: attempt to access beyond end of device
[  313.806721][ T6665] loop0: rw=0, sector=86984, nr_sectors = 8 limit=40427
[  313.806834][ T6665] syz.0.17: attempt to access beyond end of device
[  313.806834][ T6665] loop0: rw=0, sector=86992, nr_sectors = 8 limit=40427
[  313.806957][ T6665] syz.0.17: attempt to access beyond end of device
[  313.806957][ T6665] loop0: rw=0, sector=87000, nr_sectors = 8 limit=40427
[  313.807071][ T6665] syz.0.17: attempt to access beyond end of device
[  313.807071][ T6665] loop0: rw=0, sector=87008, nr_sectors = 8 limit=40427
[  313.807184][ T6665] syz.0.17: attempt to access beyond end of device
[  313.807184][ T6665] loop0: rw=0, sector=87016, nr_sectors = 8 limit=40427
[  313.807298][ T6665] syz.0.17: attempt to access beyond end of device
[  313.807298][ T6665] loop0: rw=0, sector=87024, nr_sectors = 8 limit=40427
[  315.160113][ T7124] loop2: detected capacity change from 0 to 40427
[  315.170364][ T7124] F2FS-fs: heap/no_heap options were deprecated
[  315.204859][ T7124] F2FS-fs (loop2): Image doesn't support compression
[  315.204883][ T7124] F2FS-fs (loop2): build fault injection rate: 690
[  315.205943][ T7124] F2FS-fs (loop2): invalid crc value
[  315.393217][ T7124] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  315.422509][ T7124] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  315.725285][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  315.725314][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  315.725327][ T6978] Call Trace:
[  315.725335][ T6978]  <TASK>
[  315.725344][ T6978]  dump_stack_lvl+0xe8/0x150
[  315.725377][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  315.725412][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  315.725448][ T6978]  __submit_merged_bio+0x256/0x650
[  315.725483][ T6978]  __submit_merged_write_cond+0x269/0x530
[  315.725518][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  315.725539][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  315.725598][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  315.725674][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  315.725716][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  315.725743][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  315.725768][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  315.725793][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  315.725814][ T6978]  ? reacquire_held_locks+0x104/0x190
[  315.725838][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  315.725864][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  315.725889][ T6978]  ? rt_spin_unlock+0x160/0x200
[  315.725908][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  315.725930][ T6978]  do_writepages+0x32e/0x550
[  315.725953][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  315.725976][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  315.726007][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  315.726033][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  315.726054][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  315.726110][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  315.726138][ T6978]  ? rt_spin_unlock+0x160/0x200
[  315.726162][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  315.726198][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  315.726249][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  315.726323][ T6978]  kill_f2fs_super+0x308/0x710
[  315.726352][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  315.726396][ T6978]  deactivate_locked_super+0xbc/0x130
[  315.726421][ T6978]  cleanup_mnt+0x437/0x4d0
[  315.726443][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  315.726472][ T6978]  task_work_run+0x1d9/0x270
[  315.726501][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  315.726538][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  315.726560][ T6978]  ? rcu_is_watching+0x15/0xb0
[  315.726597][ T6978]  do_syscall_64+0x2b7/0xf80
[  315.726628][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.726647][ T6978]  ? trace_irq_disable+0x37/0x100
[  315.726673][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  315.726697][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.726717][ T6978] RIP: 0033:0x7ff18febb5d7
[  315.726736][ T6978] 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
[  315.726755][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  315.726777][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  315.726791][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  315.726805][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  315.726819][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  315.726832][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004d01a R15: 00007ffc535022c0
[  315.726874][ T6978]  </TASK>
[  315.726882][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  315.726925][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  315.726948][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  315.726960][ T6978] Call Trace:
[  315.726982][ T6978]  <TASK>
[  315.726991][ T6978]  dump_stack_lvl+0xe8/0x150
[  315.727019][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  315.727053][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  315.727089][ T6978]  __submit_merged_bio+0x256/0x650
[  315.727124][ T6978]  __submit_merged_write_cond+0x269/0x530
[  315.727160][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  315.727179][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  315.727238][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  315.727306][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  315.727348][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  315.727374][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  315.727398][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  315.727424][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  315.727444][ T6978]  ? reacquire_held_locks+0x104/0x190
[  315.727469][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  315.727496][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  315.727521][ T6978]  ? rt_spin_unlock+0x160/0x200
[  315.727540][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  315.727562][ T6978]  do_writepages+0x32e/0x550
[  315.727585][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  315.727614][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  315.727645][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  315.727671][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  315.727692][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  315.727747][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  315.727777][ T6978]  ? rt_spin_unlock+0x160/0x200
[  315.727800][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  315.727836][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  315.727886][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  315.727959][ T6978]  kill_f2fs_super+0x308/0x710
[  315.727988][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  315.728032][ T6978]  deactivate_locked_super+0xbc/0x130
[  315.728057][ T6978]  cleanup_mnt+0x437/0x4d0
[  315.728078][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  315.728107][ T6978]  task_work_run+0x1d9/0x270
[  315.728135][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  315.728172][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  315.728194][ T6978]  ? rcu_is_watching+0x15/0xb0
[  315.728222][ T6978]  do_syscall_64+0x2b7/0xf80
[  315.728247][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.728267][ T6978]  ? trace_irq_disable+0x37/0x100
[  315.728291][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  315.728315][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.728335][ T6978] RIP: 0033:0x7ff18febb5d7
[  315.728352][ T6978] 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
[  315.728369][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  315.728389][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  315.728403][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  315.728416][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  315.728431][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  315.728444][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004d01a R15: 00007ffc535022c0
[  315.728477][ T6978]  </TASK>
[  315.728485][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  317.294185][ T7131] loop2: detected capacity change from 0 to 40427
[  317.323140][ T7131] F2FS-fs: heap/no_heap options were deprecated
[  317.325934][ T7131] F2FS-fs (loop2): Image doesn't support compression
[  317.325958][ T7131] F2FS-fs (loop2): build fault injection rate: 690
[  317.327044][ T7131] F2FS-fs (loop2): invalid crc value
[  317.382398][ T1320] ieee802154 phy0 wpan0: encryption failed: -22
[  317.383891][ T1320] ieee802154 phy1 wpan1: encryption failed: -22
[  317.629155][ T7131] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  317.671554][ T7131] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
2026/01/28 10:24:45 executed programs: 61
[  318.116395][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  318.116426][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  318.116439][ T6978] Call Trace:
[  318.116447][ T6978]  <TASK>
[  318.116455][ T6978]  dump_stack_lvl+0xe8/0x150
[  318.116487][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  318.116526][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  318.116565][ T6978]  __submit_merged_bio+0x256/0x650
[  318.116602][ T6978]  __submit_merged_write_cond+0x269/0x530
[  318.116639][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  318.116702][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.116779][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  318.116823][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  318.116851][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  318.116877][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  318.116904][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  318.116925][ T6978]  ? reacquire_held_locks+0x104/0x190
[  318.116950][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  318.116979][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  318.117006][ T6978]  ? rt_spin_unlock+0x160/0x200
[  318.117025][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.117048][ T6978]  do_writepages+0x32e/0x550
[  318.117072][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  318.117096][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  318.117127][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  318.117152][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  318.117173][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  318.117234][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  318.117266][ T6978]  ? rt_spin_unlock+0x160/0x200
[  318.117290][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  318.117329][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  318.117384][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  318.117466][ T6978]  kill_f2fs_super+0x308/0x710
[  318.117495][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  318.117543][ T6978]  deactivate_locked_super+0xbc/0x130
[  318.117570][ T6978]  cleanup_mnt+0x437/0x4d0
[  318.117591][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  318.117621][ T6978]  task_work_run+0x1d9/0x270
[  318.117652][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  318.117696][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  318.117719][ T6978]  ? rcu_is_watching+0x15/0xb0
[  318.117748][ T6978]  do_syscall_64+0x2b7/0xf80
[  318.117775][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.117795][ T6978]  ? trace_irq_disable+0x37/0x100
[  318.117821][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  318.117846][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.117866][ T6978] RIP: 0033:0x7ff18febb5d7
[  318.117886][ T6978] 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
[  318.117905][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  318.117927][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  318.117942][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  318.117955][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  318.117970][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  318.117983][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004d919 R15: 00007ffc535022c0
[  318.118018][ T6978]  </TASK>
[  318.118027][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  318.119524][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  318.119551][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  318.119564][ T6978] Call Trace:
[  318.119573][ T6978]  <TASK>
[  318.119581][ T6978]  dump_stack_lvl+0xe8/0x150
[  318.119614][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  318.119650][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  318.119695][ T6978]  __submit_merged_bio+0x256/0x650
[  318.119730][ T6978]  __submit_merged_write_cond+0x269/0x530
[  318.119766][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  318.119818][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.119887][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  318.119929][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  318.119956][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  318.119981][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  318.120007][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  318.120029][ T6978]  ? reacquire_held_locks+0x104/0x190
[  318.120053][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  318.120081][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  318.120106][ T6978]  ? rt_spin_unlock+0x160/0x200
[  318.120124][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.120146][ T6978]  do_writepages+0x32e/0x550
[  318.120170][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  318.120193][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  318.120223][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  318.120250][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  318.120271][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  318.120327][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  318.120356][ T6978]  ? rt_spin_unlock+0x160/0x200
[  318.120380][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  318.120417][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  318.120468][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  318.120543][ T6978]  kill_f2fs_super+0x308/0x710
[  318.120572][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  318.120616][ T6978]  deactivate_locked_super+0xbc/0x130
[  318.120641][ T6978]  cleanup_mnt+0x437/0x4d0
[  318.120663][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  318.120700][ T6978]  task_work_run+0x1d9/0x270
[  318.120730][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  318.120767][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  318.120790][ T6978]  ? rcu_is_watching+0x15/0xb0
[  318.120817][ T6978]  do_syscall_64+0x2b7/0xf80
[  318.120842][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.120862][ T6978]  ? trace_irq_disable+0x37/0x100
[  318.120887][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  318.120912][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.120932][ T6978] RIP: 0033:0x7ff18febb5d7
[  318.120950][ T6978] 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
[  318.120968][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  318.120990][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  318.121005][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  318.121019][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  318.121033][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  318.121047][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004d919 R15: 00007ffc535022c0
[  318.121080][ T6978]  </TASK>
[  318.121088][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  318.827435][ T6665] bio_check_eod: 35105 callbacks suppressed
[  318.827455][ T6665] syz.0.17: attempt to access beyond end of device
[  318.827455][ T6665] loop0: rw=524288, sector=86016, nr_sectors = 8 limit=40427
[  318.827589][ T6665] syz.0.17: attempt to access beyond end of device
[  318.827589][ T6665] loop0: rw=524288, sector=86024, nr_sectors = 8 limit=40427
[  318.827702][ T6665] syz.0.17: attempt to access beyond end of device
[  318.827702][ T6665] loop0: rw=524288, sector=86032, nr_sectors = 8 limit=40427
[  318.827826][ T6665] syz.0.17: attempt to access beyond end of device
[  318.827826][ T6665] loop0: rw=524288, sector=86040, nr_sectors = 8 limit=40427
[  318.827938][ T6665] syz.0.17: attempt to access beyond end of device
[  318.827938][ T6665] loop0: rw=524288, sector=86048, nr_sectors = 8 limit=40427
[  318.828053][ T6665] syz.0.17: attempt to access beyond end of device
[  318.828053][ T6665] loop0: rw=524288, sector=86056, nr_sectors = 8 limit=40427
[  318.828165][ T6665] syz.0.17: attempt to access beyond end of device
[  318.828165][ T6665] loop0: rw=524288, sector=86064, nr_sectors = 8 limit=40427
[  318.828288][ T6665] syz.0.17: attempt to access beyond end of device
[  318.828288][ T6665] loop0: rw=524288, sector=86072, nr_sectors = 8 limit=40427
[  318.828772][ T6665] syz.0.17: attempt to access beyond end of device
[  318.828772][ T6665] loop0: rw=524288, sector=86080, nr_sectors = 8 limit=40427
[  318.828885][ T6665] syz.0.17: attempt to access beyond end of device
[  318.828885][ T6665] loop0: rw=524288, sector=86088, nr_sectors = 8 limit=40427
[  319.765169][ T7138] loop2: detected capacity change from 0 to 40427
[  319.773637][ T7138] F2FS-fs: heap/no_heap options were deprecated
[  319.801039][ T7138] F2FS-fs (loop2): Image doesn't support compression
[  319.801062][ T7138] F2FS-fs (loop2): build fault injection rate: 690
[  319.817021][ T7138] F2FS-fs (loop2): invalid crc value
[  320.065133][ T7138] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  320.073885][ T7138] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  320.525049][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  320.525080][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  320.525094][ T6978] Call Trace:
[  320.525103][ T6978]  <TASK>
[  320.525112][ T6978]  dump_stack_lvl+0xe8/0x150
[  320.525146][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  320.525182][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  320.525222][ T6978]  __submit_merged_bio+0x256/0x650
[  320.525259][ T6978]  __submit_merged_write_cond+0x269/0x530
[  320.525297][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  320.525317][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  320.525374][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  320.525457][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  320.525502][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  320.525529][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  320.525555][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  320.525581][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  320.525602][ T6978]  ? reacquire_held_locks+0x104/0x190
[  320.525626][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  320.525655][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  320.525681][ T6978]  ? rt_spin_unlock+0x160/0x200
[  320.525700][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  320.525723][ T6978]  do_writepages+0x32e/0x550
[  320.525747][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  320.525771][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  320.525803][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  320.525830][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  320.525852][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  320.525911][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  320.525942][ T6978]  ? rt_spin_unlock+0x160/0x200
[  320.525966][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  320.526004][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  320.526059][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  320.526140][ T6978]  kill_f2fs_super+0x308/0x710
[  320.526171][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  320.526219][ T6978]  deactivate_locked_super+0xbc/0x130
[  320.526246][ T6978]  cleanup_mnt+0x437/0x4d0
[  320.526268][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  320.526297][ T6978]  task_work_run+0x1d9/0x270
[  320.526328][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  320.526367][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  320.526390][ T6978]  ? rcu_is_watching+0x15/0xb0
[  320.526420][ T6978]  do_syscall_64+0x2b7/0xf80
[  320.526452][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.526471][ T6978]  ? trace_irq_disable+0x37/0x100
[  320.526496][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  320.526521][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.526541][ T6978] RIP: 0033:0x7ff18febb5d7
[  320.526561][ T6978] 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
[  320.526578][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  320.526601][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  320.526615][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  320.526628][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  320.526643][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  320.526656][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004e26e R15: 00007ffc535022c0
[  320.526691][ T6978]  </TASK>
[  320.526700][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  320.528043][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  320.528070][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  320.528083][ T6978] Call Trace:
[  320.528091][ T6978]  <TASK>
[  320.528101][ T6978]  dump_stack_lvl+0xe8/0x150
[  320.528130][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  320.528167][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  320.528205][ T6978]  __submit_merged_bio+0x256/0x650
[  320.528243][ T6978]  __submit_merged_write_cond+0x269/0x530
[  320.528280][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  320.528301][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  320.528358][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  320.528438][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  320.528482][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  320.528509][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  320.528535][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  320.528561][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  320.528583][ T6978]  ? reacquire_held_locks+0x104/0x190
[  320.528608][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  320.528638][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  320.528662][ T6978]  ? rt_spin_unlock+0x160/0x200
[  320.528682][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  320.528704][ T6978]  do_writepages+0x32e/0x550
[  320.528729][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  320.528753][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  320.528792][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  320.528819][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  320.528841][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  320.528902][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  320.528932][ T6978]  ? rt_spin_unlock+0x160/0x200
[  320.528957][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  320.529011][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  320.529067][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  320.529150][ T6978]  kill_f2fs_super+0x308/0x710
[  320.529179][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  320.529228][ T6978]  deactivate_locked_super+0xbc/0x130
[  320.529254][ T6978]  cleanup_mnt+0x437/0x4d0
[  320.529276][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  320.529306][ T6978]  task_work_run+0x1d9/0x270
[  320.529336][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  320.529375][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  320.529398][ T6978]  ? rcu_is_watching+0x15/0xb0
[  320.529434][ T6978]  do_syscall_64+0x2b7/0xf80
[  320.529460][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.529480][ T6978]  ? trace_irq_disable+0x37/0x100
[  320.529505][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  320.529530][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.529550][ T6978] RIP: 0033:0x7ff18febb5d7
[  320.529569][ T6978] 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
[  320.529586][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  320.529608][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  320.529622][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  320.529635][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  320.529649][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  320.529662][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004e26e R15: 00007ffc535022c0
[  320.529698][ T6978]  </TASK>
[  320.529707][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  321.977369][ T7145] loop2: detected capacity change from 0 to 40427
[  322.003269][ T7145] F2FS-fs: heap/no_heap options were deprecated
[  322.004318][ T7145] F2FS-fs (loop2): Image doesn't support compression
[  322.004338][ T7145] F2FS-fs (loop2): build fault injection rate: 690
[  322.015576][ T7145] F2FS-fs (loop2): invalid crc value
[  322.407286][ T7145] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  322.429007][ T7145] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  322.846075][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  322.846105][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  322.846119][ T6978] Call Trace:
[  322.846128][ T6978]  <TASK>
[  322.846137][ T6978]  dump_stack_lvl+0xe8/0x150
[  322.846171][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  322.846209][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  322.846249][ T6978]  __submit_merged_bio+0x256/0x650
[  322.846295][ T6978]  __submit_merged_write_cond+0x269/0x530
[  322.846333][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  322.846353][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  322.846418][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  322.846493][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  322.846538][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  322.846565][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  322.846591][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  322.846617][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  322.846637][ T6978]  ? reacquire_held_locks+0x104/0x190
[  322.846662][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  322.846691][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  322.846717][ T6978]  ? rt_spin_unlock+0x160/0x200
[  322.846736][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  322.846759][ T6978]  do_writepages+0x32e/0x550
[  322.846783][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  322.846807][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  322.846847][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  322.846875][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  322.846896][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  322.846957][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  322.846987][ T6978]  ? rt_spin_unlock+0x160/0x200
[  322.847011][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  322.847050][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  322.847111][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  322.847193][ T6978]  kill_f2fs_super+0x308/0x710
[  322.847224][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  322.847278][ T6978]  deactivate_locked_super+0xbc/0x130
[  322.847308][ T6978]  cleanup_mnt+0x437/0x4d0
[  322.847330][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  322.847360][ T6978]  task_work_run+0x1d9/0x270
[  322.847391][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  322.847429][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  322.847453][ T6978]  ? rcu_is_watching+0x15/0xb0
[  322.847482][ T6978]  do_syscall_64+0x2b7/0xf80
[  322.847509][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.847529][ T6978]  ? trace_irq_disable+0x37/0x100
[  322.847554][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  322.847579][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.847599][ T6978] RIP: 0033:0x7ff18febb5d7
[  322.847619][ T6978] 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
[  322.847637][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  322.847659][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  322.847678][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  322.847692][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  322.847706][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  322.847720][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004eba2 R15: 00007ffc535022c0
[  322.847755][ T6978]  </TASK>
[  322.847764][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  322.849067][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  322.849094][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  322.849117][ T6978] Call Trace:
[  322.849126][ T6978]  <TASK>
[  322.849134][ T6978]  dump_stack_lvl+0xe8/0x150
[  322.849166][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  322.849202][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  322.849239][ T6978]  __submit_merged_bio+0x256/0x650
[  322.849289][ T6978]  __submit_merged_write_cond+0x269/0x530
[  322.849325][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  322.849344][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  322.849404][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  322.849474][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  322.849516][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  322.849544][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  322.849570][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  322.849596][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  322.849617][ T6978]  ? reacquire_held_locks+0x104/0x190
[  322.849642][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  322.849668][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  322.849694][ T6978]  ? rt_spin_unlock+0x160/0x200
[  322.849713][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  322.849741][ T6978]  do_writepages+0x32e/0x550
[  322.849764][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  322.849787][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  322.849817][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  322.849844][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  322.849865][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  322.849925][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  322.849955][ T6978]  ? rt_spin_unlock+0x160/0x200
[  322.849978][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  322.850015][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  322.850066][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  322.850140][ T6978]  kill_f2fs_super+0x308/0x710
[  322.850170][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  322.850214][ T6978]  deactivate_locked_super+0xbc/0x130
[  322.850239][ T6978]  cleanup_mnt+0x437/0x4d0
[  322.850266][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  322.850301][ T6978]  task_work_run+0x1d9/0x270
[  322.850330][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  322.850366][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  322.850389][ T6978]  ? rcu_is_watching+0x15/0xb0
[  322.850418][ T6978]  do_syscall_64+0x2b7/0xf80
[  322.850444][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.850464][ T6978]  ? trace_irq_disable+0x37/0x100
[  322.850490][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  322.850520][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.850539][ T6978] RIP: 0033:0x7ff18febb5d7
[  322.850559][ T6978] 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
[  322.850577][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  322.850598][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  322.850613][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  322.850627][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  322.850642][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  322.850655][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004eba2 R15: 00007ffc535022c0
[  322.850688][ T6978]  </TASK>
[  322.850697][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  323.836337][ T6971] bio_check_eod: 37872 callbacks suppressed
[  323.836360][ T6971] syz.1.56: attempt to access beyond end of device
[  323.836360][ T6971] loop1: rw=524288, sector=86920, nr_sectors = 8 limit=40427
[  323.836484][ T6971] syz.1.56: attempt to access beyond end of device
[  323.836484][ T6971] loop1: rw=524288, sector=86928, nr_sectors = 8 limit=40427
[  323.836629][ T6971] syz.1.56: attempt to access beyond end of device
[  323.836629][ T6971] loop1: rw=524288, sector=86936, nr_sectors = 8 limit=40427
[  323.836757][ T6971] syz.1.56: attempt to access beyond end of device
[  323.836757][ T6971] loop1: rw=524288, sector=86944, nr_sectors = 8 limit=40427
[  323.836881][ T6971] syz.1.56: attempt to access beyond end of device
[  323.836881][ T6971] loop1: rw=524288, sector=86952, nr_sectors = 8 limit=40427
[  323.837002][ T6971] syz.1.56: attempt to access beyond end of device
[  323.837002][ T6971] loop1: rw=524288, sector=86960, nr_sectors = 8 limit=40427
[  323.837121][ T6971] syz.1.56: attempt to access beyond end of device
[  323.837121][ T6971] loop1: rw=524288, sector=86968, nr_sectors = 8 limit=40427
[  323.837239][ T6971] syz.1.56: attempt to access beyond end of device
[  323.837239][ T6971] loop1: rw=524288, sector=86976, nr_sectors = 8 limit=40427
[  323.837358][ T6971] syz.1.56: attempt to access beyond end of device
[  323.837358][ T6971] loop1: rw=524288, sector=86984, nr_sectors = 8 limit=40427
[  323.837476][ T6971] syz.1.56: attempt to access beyond end of device
[  323.837476][ T6971] loop1: rw=524288, sector=86992, nr_sectors = 8 limit=40427
[  324.351640][ T7152] loop2: detected capacity change from 0 to 40427
[  324.381077][ T7152] F2FS-fs: heap/no_heap options were deprecated
[  324.391501][ T7152] F2FS-fs (loop2): Image doesn't support compression
[  324.391524][ T7152] F2FS-fs (loop2): build fault injection rate: 690
[  324.423311][ T7152] F2FS-fs (loop2): invalid crc value
[  324.789911][ T7152] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  324.791391][ T7152] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
2026/01/28 10:24:52 executed programs: 64
[  325.253005][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  325.253034][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  325.253048][ T6978] Call Trace:
[  325.253056][ T6978]  <TASK>
[  325.253065][ T6978]  dump_stack_lvl+0xe8/0x150
[  325.253098][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  325.253136][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  325.253173][ T6978]  __submit_merged_bio+0x256/0x650
[  325.253208][ T6978]  __submit_merged_write_cond+0x269/0x530
[  325.253244][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  325.253264][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  325.253324][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  325.253392][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  325.253433][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  325.253460][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  325.253485][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  325.253511][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  325.253532][ T6978]  ? reacquire_held_locks+0x104/0x190
[  325.253556][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  325.253584][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  325.253608][ T6978]  ? rt_spin_unlock+0x160/0x200
[  325.253627][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  325.253649][ T6978]  do_writepages+0x32e/0x550
[  325.253672][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  325.253699][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  325.253729][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  325.253756][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  325.253777][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  325.253837][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  325.253866][ T6978]  ? rt_spin_unlock+0x160/0x200
[  325.253889][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  325.253922][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  325.253966][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  325.254033][ T6978]  kill_f2fs_super+0x308/0x710
[  325.254061][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  325.254106][ T6978]  deactivate_locked_super+0xbc/0x130
[  325.254129][ T6978]  cleanup_mnt+0x437/0x4d0
[  325.254149][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  325.254177][ T6978]  task_work_run+0x1d9/0x270
[  325.254206][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  325.254242][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  325.254265][ T6978]  ? rcu_is_watching+0x15/0xb0
[  325.254293][ T6978]  do_syscall_64+0x2b7/0xf80
[  325.254318][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.254338][ T6978]  ? trace_irq_disable+0x37/0x100
[  325.254362][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  325.254387][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.254406][ T6978] RIP: 0033:0x7ff18febb5d7
[  325.254424][ T6978] 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
[  325.254442][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  325.254464][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  325.254478][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  325.254491][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  325.254506][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  325.254519][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004f507 R15: 00007ffc535022c0
[  325.254552][ T6978]  </TASK>
[  325.254560][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  325.254602][ T6978] CPU: 1 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  325.254625][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  325.254637][ T6978] Call Trace:
[  325.254645][ T6978]  <TASK>
[  325.254654][ T6978]  dump_stack_lvl+0xe8/0x150
[  325.254681][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  325.254715][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  325.254752][ T6978]  __submit_merged_bio+0x256/0x650
[  325.254794][ T6978]  __submit_merged_write_cond+0x269/0x530
[  325.254830][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  325.254850][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  325.254908][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  325.254977][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  325.255018][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  325.255042][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  325.255067][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  325.255093][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  325.255114][ T6978]  ? reacquire_held_locks+0x104/0x190
[  325.255138][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  325.255165][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  325.255189][ T6978]  ? rt_spin_unlock+0x160/0x200
[  325.255208][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  325.255230][ T6978]  do_writepages+0x32e/0x550
[  325.255253][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  325.255275][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  325.255305][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  325.255331][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  325.255352][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  325.255407][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  325.255436][ T6978]  ? rt_spin_unlock+0x160/0x200
[  325.255459][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  325.255496][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  325.255546][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  325.255638][ T6978]  kill_f2fs_super+0x308/0x710
[  325.255666][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  325.255711][ T6978]  deactivate_locked_super+0xbc/0x130
[  325.255735][ T6978]  cleanup_mnt+0x437/0x4d0
[  325.255755][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  325.255790][ T6978]  task_work_run+0x1d9/0x270
[  325.255818][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  325.255855][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  325.255877][ T6978]  ? rcu_is_watching+0x15/0xb0
[  325.255904][ T6978]  do_syscall_64+0x2b7/0xf80
[  325.255928][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.255947][ T6978]  ? trace_irq_disable+0x37/0x100
[  325.255972][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  325.255996][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.256015][ T6978] RIP: 0033:0x7ff18febb5d7
[  325.256031][ T6978] 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
[  325.256048][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  325.256068][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  325.256082][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  325.256095][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  325.256110][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  325.256123][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004f507 R15: 00007ffc535022c0
[  325.256155][ T6978]  </TASK>
[  325.256162][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  326.958510][ T7159] loop2: detected capacity change from 0 to 40427
[  326.973772][ T7159] F2FS-fs: heap/no_heap options were deprecated
[  326.974816][ T7159] F2FS-fs (loop2): Image doesn't support compression
[  326.974833][ T7159] F2FS-fs (loop2): build fault injection rate: 690
[  326.976052][ T7159] F2FS-fs (loop2): invalid crc value
[  327.313000][ T7159] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  327.333251][ T7159] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  327.769093][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  327.769124][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  327.769138][ T6978] Call Trace:
[  327.769146][ T6978]  <TASK>
[  327.769156][ T6978]  dump_stack_lvl+0xe8/0x150
[  327.769189][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  327.769226][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  327.769264][ T6978]  __submit_merged_bio+0x256/0x650
[  327.769299][ T6978]  __submit_merged_write_cond+0x269/0x530
[  327.769348][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  327.769367][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  327.769427][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  327.769503][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  327.769546][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  327.769573][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  327.769598][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  327.769624][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  327.769646][ T6978]  ? reacquire_held_locks+0x104/0x190
[  327.769670][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  327.769698][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  327.769723][ T6978]  ? rt_spin_unlock+0x160/0x200
[  327.769740][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  327.769756][ T6978]  do_writepages+0x32e/0x550
[  327.769775][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  327.769796][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  327.769826][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  327.769852][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  327.769885][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  327.769940][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  327.769967][ T6978]  ? rt_spin_unlock+0x160/0x200
[  327.769991][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  327.770027][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  327.770078][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  327.770151][ T6978]  kill_f2fs_super+0x308/0x710
[  327.770180][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  327.770225][ T6978]  deactivate_locked_super+0xbc/0x130
[  327.770250][ T6978]  cleanup_mnt+0x437/0x4d0
[  327.770271][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  327.770300][ T6978]  task_work_run+0x1d9/0x270
[  327.770330][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  327.770366][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  327.770389][ T6978]  ? rcu_is_watching+0x15/0xb0
[  327.770418][ T6978]  do_syscall_64+0x2b7/0xf80
[  327.770443][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.770463][ T6978]  ? trace_irq_disable+0x37/0x100
[  327.770498][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  327.770523][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.770542][ T6978] RIP: 0033:0x7ff18febb5d7
[  327.770561][ T6978] 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
[  327.770578][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  327.770600][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  327.770615][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  327.770628][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  327.770642][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  327.770656][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004febb R15: 00007ffc535022c0
[  327.770689][ T6978]  </TASK>
[  327.770698][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  327.770747][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  327.770770][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  327.770782][ T6978] Call Trace:
[  327.770790][ T6978]  <TASK>
[  327.770799][ T6978]  dump_stack_lvl+0xe8/0x150
[  327.770827][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  327.770862][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  327.770899][ T6978]  __submit_merged_bio+0x256/0x650
[  327.770934][ T6978]  __submit_merged_write_cond+0x269/0x530
[  327.770975][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  327.770995][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  327.771064][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  327.771134][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  327.771174][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  327.771201][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  327.771225][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  327.771251][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  327.771272][ T6978]  ? reacquire_held_locks+0x104/0x190
[  327.771296][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  327.771324][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  327.771349][ T6978]  ? rt_spin_unlock+0x160/0x200
[  327.771368][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  327.771390][ T6978]  do_writepages+0x32e/0x550
[  327.771414][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  327.771437][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  327.771467][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  327.771512][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  327.771533][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  327.771589][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  327.771619][ T6978]  ? rt_spin_unlock+0x160/0x200
[  327.771642][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  327.771679][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  327.771730][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  327.771802][ T6978]  kill_f2fs_super+0x308/0x710
[  327.771831][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  327.771876][ T6978]  deactivate_locked_super+0xbc/0x130
[  327.771900][ T6978]  cleanup_mnt+0x437/0x4d0
[  327.771921][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  327.771949][ T6978]  task_work_run+0x1d9/0x270
[  327.771979][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  327.772007][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  327.772026][ T6978]  ? rcu_is_watching+0x15/0xb0
[  327.772049][ T6978]  do_syscall_64+0x2b7/0xf80
[  327.772071][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.772087][ T6978]  ? trace_irq_disable+0x37/0x100
[  327.772110][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  327.772133][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.772152][ T6978] RIP: 0033:0x7ff18febb5d7
[  327.772169][ T6978] 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
[  327.772185][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  327.772205][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  327.772219][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  327.772232][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  327.772247][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  327.772260][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000004febb R15: 00007ffc535022c0
[  327.772293][ T6978]  </TASK>
[  327.782144][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  328.842095][ T6971] bio_check_eod: 38958 callbacks suppressed
[  328.842114][ T6971] syz.1.56: attempt to access beyond end of device
[  328.842114][ T6971] loop1: rw=0, sector=89008, nr_sectors = 8 limit=40427
[  328.842237][ T6971] syz.1.56: attempt to access beyond end of device
[  328.842237][ T6971] loop1: rw=0, sector=89016, nr_sectors = 8 limit=40427
[  328.842361][ T6971] syz.1.56: attempt to access beyond end of device
[  328.842361][ T6971] loop1: rw=0, sector=89024, nr_sectors = 8 limit=40427
[  328.842481][ T6971] syz.1.56: attempt to access beyond end of device
[  328.842481][ T6971] loop1: rw=0, sector=89032, nr_sectors = 8 limit=40427
[  328.842631][ T6971] syz.1.56: attempt to access beyond end of device
[  328.842631][ T6971] loop1: rw=0, sector=89040, nr_sectors = 8 limit=40427
[  328.842763][ T6971] syz.1.56: attempt to access beyond end of device
[  328.842763][ T6971] loop1: rw=0, sector=89048, nr_sectors = 8 limit=40427
[  328.842950][ T6971] syz.1.56: attempt to access beyond end of device
[  328.842950][ T6971] loop1: rw=0, sector=89056, nr_sectors = 8 limit=40427
[  328.843072][ T6971] syz.1.56: attempt to access beyond end of device
[  328.843072][ T6971] loop1: rw=0, sector=89064, nr_sectors = 8 limit=40427
[  328.843194][ T6971] syz.1.56: attempt to access beyond end of device
[  328.843194][ T6971] loop1: rw=0, sector=89072, nr_sectors = 8 limit=40427
[  328.843315][ T6971] syz.1.56: attempt to access beyond end of device
[  328.843315][ T6971] loop1: rw=0, sector=89080, nr_sectors = 8 limit=40427
[  329.396503][ T7166] loop2: detected capacity change from 0 to 40427
[  329.397821][ T7166] F2FS-fs: heap/no_heap options were deprecated
[  329.415191][ T7166] F2FS-fs (loop2): Image doesn't support compression
[  329.415213][ T7166] F2FS-fs (loop2): build fault injection rate: 690
[  329.432126][ T7166] F2FS-fs (loop2): invalid crc value
[  329.763026][ T7166] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  329.812193][ T7166] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
2026/01/28 10:24:57 executed programs: 66
[  330.266103][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  330.266133][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  330.266147][ T6978] Call Trace:
[  330.266155][ T6978]  <TASK>
[  330.266174][ T6978]  dump_stack_lvl+0xe8/0x150
[  330.266208][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  330.266245][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  330.266291][ T6978]  __submit_merged_bio+0x256/0x650
[  330.266327][ T6978]  __submit_merged_write_cond+0x269/0x530
[  330.266362][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  330.266381][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  330.266441][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  330.266508][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  330.266550][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  330.266576][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  330.266602][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  330.266628][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  330.266649][ T6978]  ? reacquire_held_locks+0x104/0x190
[  330.266673][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  330.266701][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  330.266726][ T6978]  ? rt_spin_unlock+0x160/0x200
[  330.266746][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  330.266768][ T6978]  do_writepages+0x32e/0x550
[  330.266791][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  330.266815][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  330.266845][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  330.266871][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  330.266892][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  330.266952][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  330.266981][ T6978]  ? rt_spin_unlock+0x160/0x200
[  330.267005][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  330.267041][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  330.267092][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  330.267166][ T6978]  kill_f2fs_super+0x308/0x710
[  330.267195][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  330.267239][ T6978]  deactivate_locked_super+0xbc/0x130
[  330.267271][ T6978]  cleanup_mnt+0x437/0x4d0
[  330.267293][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  330.267322][ T6978]  task_work_run+0x1d9/0x270
[  330.267351][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  330.267388][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  330.267411][ T6978]  ? rcu_is_watching+0x15/0xb0
[  330.267440][ T6978]  do_syscall_64+0x2b7/0xf80
[  330.267466][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.267485][ T6978]  ? trace_irq_disable+0x37/0x100
[  330.267509][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  330.267534][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.267553][ T6978] RIP: 0033:0x7ff18febb5d7
[  330.267571][ T6978] 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
[  330.267589][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  330.267610][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  330.267624][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  330.267637][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  330.267651][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  330.267665][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000005089c R15: 00007ffc535022c0
[  330.267697][ T6978]  </TASK>
[  330.267705][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  330.267749][ T6978] CPU: 0 UID: 0 PID: 6978 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  330.267771][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  330.267783][ T6978] Call Trace:
[  330.267791][ T6978]  <TASK>
[  330.267799][ T6978]  dump_stack_lvl+0xe8/0x150
[  330.267826][ T6978]  f2fs_handle_critical_error+0x354/0x510
[  330.267860][ T6978]  f2fs_write_end_io+0xc1d/0xfd0
[  330.267896][ T6978]  __submit_merged_bio+0x256/0x650
[  330.267931][ T6978]  __submit_merged_write_cond+0x269/0x530
[  330.267966][ T6978]  f2fs_write_data_pages+0x2806/0x3360
[  330.267987][ T6978]  ? is_bpf_text_address+0x26/0x2b0
[  330.268046][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  330.268114][ T6978]  ? do_raw_spin_lock+0x12b/0x2f0
[  330.268156][ T6978]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  330.268179][ T6978]  ? lockdep_hardirqs_on+0x7a/0x110
[  330.268204][ T6978]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  330.268229][ T6978]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  330.268258][ T6978]  ? reacquire_held_locks+0x104/0x190
[  330.268282][ T6978]  ? rt_spin_lock+0x1e0/0x400
[  330.268310][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  330.268335][ T6978]  ? rt_spin_unlock+0x160/0x200
[  330.268354][ T6978]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  330.268376][ T6978]  do_writepages+0x32e/0x550
[  330.268399][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  330.268422][ T6978]  ? rt_spin_unlock+0x14f/0x200
[  330.268452][ T6978]  filemap_fdatawrite+0x1ec/0x2f0
[  330.268475][ T6978]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  330.268496][ T6978]  ? __lock_acquire+0x6b5/0x2cf0
[  330.268550][ T6978]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  330.268580][ T6978]  ? rt_spin_unlock+0x160/0x200
[  330.268604][ T6978]  f2fs_sync_dirty_inodes+0x30e/0x810
[  330.268640][ T6978]  f2fs_write_checkpoint+0x9c6/0x2490
[  330.268690][ T6978]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  330.268769][ T6978]  kill_f2fs_super+0x308/0x710
[  330.268798][ T6978]  ? __pfx_kill_f2fs_super+0x10/0x10
[  330.268841][ T6978]  deactivate_locked_super+0xbc/0x130
[  330.268864][ T6978]  cleanup_mnt+0x437/0x4d0
[  330.268885][ T6978]  ? _raw_spin_unlock_irq+0x23/0x50
[  330.268914][ T6978]  task_work_run+0x1d9/0x270
[  330.268943][ T6978]  ? __pfx_task_work_run+0x10/0x10
[  330.268986][ T6978]  exit_to_user_mode_loop+0xed/0x480
[  330.269009][ T6978]  ? rcu_is_watching+0x15/0xb0
[  330.269037][ T6978]  do_syscall_64+0x2b7/0xf80
[  330.269062][ T6978]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.269081][ T6978]  ? trace_irq_disable+0x37/0x100
[  330.269106][ T6978]  ? clear_bhb_loop+0x60/0xb0
[  330.269130][ T6978]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.269149][ T6978] RIP: 0033:0x7ff18febb5d7
[  330.269166][ T6978] 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
[  330.269182][ T6978] RSP: 002b:00007ffc53501138 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  330.269202][ T6978] RAX: 0000000000000000 RBX: 00007ff18ff4d1c3 RCX: 00007ff18febb5d7
[  330.269217][ T6978] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc535011f0
[  330.269229][ T6978] RBP: 00007ffc535011f0 R08: 00007ffc535021f0 R09: 00000000ffffffff
[  330.269244][ T6978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc53502280
[  330.269263][ T6978] R13: 00007ff18ff4d1c3 R14: 000000000005089c R15: 00007ffc535022c0
[  330.269295][ T6978]  </TASK>
[  330.269303][ T6978] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  331.935057][ T7173] loop2: detected capacity change from 0 to 40427
[  331.958226][ T7173] F2FS-fs: heap/no_heap options were deprecated
[  331.981458][ T7173] F2FS-fs (loop2): Image doesn't support compression
[  331.981483][ T7173] F2FS-fs (loop2): build fault injection rate: 690
[  332.006993][ T7173] F2FS-fs (loop2): invalid crc value
[  332.093955][   T38] INFO: task syz.0.17:6669 blocked for more than 143 seconds.
[  332.093980][   T38]       Not tainted syzkaller #0
[  332.093991][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  332.094001][   T38] task:syz.0.17        state:D stack:28744 pid:6669  tgid:6664  ppid:6511   task_flags:0x400040 flags:0x00080002
[  332.094087][   T38] Call Trace:
[  332.094095][   T38]  <TASK>
[  332.094108][   T38]  __schedule+0x1472/0x4fe0
[  332.094160][   T38]  ? lockdep_hardirqs_on+0x7a/0x110
[  332.094190][   T38]  ? __pfx___schedule+0x10/0x10
[  332.094211][   T38]  ? rcu_preempt_deferred_qs_irqrestore+0x7b9/0xbc0
[  332.094253][   T38]  rt_mutex_schedule+0x76/0xf0
[  332.094279][   T38]  ? __rt_mutex_slowlock_locked+0x1e2/0x25c0
[  332.094307][   T38]  __rt_mutex_slowlock_locked+0x1f8f/0x25c0
[  332.094336][   T38]  ? __lock_acquire+0x146e/0x2cf0
[  332.094369][   T38]  ? __rt_mutex_slowlock_locked+0x1e2/0x25c0
[  332.094405][   T38]  ? __pfx___rt_mutex_slowlock_locked+0x10/0x10
[  332.094446][   T38]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  332.094479][   T38]  ? rcu_is_watching+0x15/0xb0
[  332.094510][   T38]  __rwbase_read_lock+0xc3/0x180
[  332.094539][   T38]  ? __pfx___rwbase_read_lock+0x10/0x10
[  332.094577][   T38]  down_read+0x132/0x200
[  332.094604][   T38]  ? __pfx_down_read+0x10/0x10
[  332.094640][   T38]  f2fs_llseek+0x1f7/0x1890
[  332.094686][   T38]  ? __pfx_f2fs_llseek+0x10/0x10
[  332.094712][   T38]  ? mutex_lock_nested+0x152/0x1d0
[  332.094737][   T38]  ? fdget_pos+0x252/0x320
[  332.094764][   T38]  __x64_sys_lseek+0x155/0x1f0
[  332.094790][   T38]  do_syscall_64+0xe2/0xf80
[  332.094814][   T38]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  332.094834][   T38]  ? trace_irq_disable+0x37/0x100
[  332.094859][   T38]  ? clear_bhb_loop+0x60/0xb0
[  332.094883][   T38]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  332.094921][   T38] RIP: 0033:0x7fae25faa379
[  332.094938][   T38] RSP: 002b:00007fae255ed028 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
[  332.094959][   T38] RAX: ffffffffffffffda RBX: 00007fae261e6090 RCX: 00007fae25faa379
[  332.094975][   T38] RDX: 0000000000000004 RSI: 0000000000000008 RDI: 0000000000000004
[  332.094988][   T38] RBP: 00007fae2603dd68 R08: 0000000000000000 R09: 0000000000000000
[  332.095001][   T38] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  332.095014][   T38] R13: 00007fae261e6128 R14: 00007fae261e6090 R15: 00007ffc3b46dda8
[  332.095053][   T38]  </TASK>
[  332.095092][   T38] 
[  332.095092][   T38] Showing all locks held in the system:
[  332.095104][   T38] 1 lock held by khungtaskd/38:
[  332.095116][   T38]  #0: ffffffff8dbc77c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  332.095178][   T38] 4 locks held by kworker/u8:3/58:
[  332.095189][   T38]  #0: ffff888140463138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
[  332.095245][   T38]  #1: ffffc9000124fbc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0
[  332.095302][   T38]  #2: ffff88803db580d0 (&type->s_umount_key#55){++++}-{4:4}, at: super_trylock_shared+0x20/0xf0
[  332.095353][   T38]  #3: ffff888036a81a80 (&sbi->gc_lock){+.+.}-{4:4}, at: f2fs_balance_fs+0x5d8/0x800
[  332.095416][   T38] 4 locks held by kworker/u8:7/1345:
[  332.095428][   T38]  #0: ffff888140463138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
[  332.095483][   T38]  #1: ffffc90004fefbc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0
[  332.095540][   T38]  #2: ffff888020bf60d0 (&type->s_umount_key#55){++++}-{4:4}, at: super_trylock_shared+0x20/0xf0
[  332.095591][   T38]  #3: ffff88803df5da80 (&sbi->gc_lock){+.+.}-{4:4}, at: f2fs_balance_fs+0x5d8/0x800
[  332.095659][   T38] 2 locks held by getty/5558:
[  332.095670][   T38]  #0: ffff888035fb80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  332.095725][   T38]  #1: ffffc9000418b2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13c0
[  332.095778][   T38] 6 locks held by syz.0.17/6665:
[  332.095790][   T38] 2 locks held by syz.0.17/6669:
[  332.095802][   T38]  #0: ffff8880325a8928 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320
[  332.095846][   T38]  #1: ffff88805ad89e10 (&sb->s_type->i_mutex_key#23){++++}-{4:4}, at: f2fs_llseek+0x1f7/0x1890
[  332.095902][   T38] 6 locks held by syz.1.56/6971:
[  332.095914][   T38] 2 locks held by syz.1.56/6975:
[  332.095926][   T38]  #0: ffff888032a71d28 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320
[  332.095970][   T38]  #1: ffff88805ae9f3d8 (&sb->s_type->i_mutex_key#23){++++}-{4:4}, at: f2fs_llseek+0x1f7/0x1890
[  332.096025][   T38] 2 locks held by udevd/6980:
[  332.096037][   T38] 3 locks held by syz.2.81/7173:
[  332.096050][   T38] 
[  332.096055][   T38] =============================================
[  332.096055][   T38] 
[  332.096082][   T38] NMI backtrace for cpu 0
[  332.096096][   T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  332.096118][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  332.096131][   T38] Call Trace:
[  332.096139][   T38]  <TASK>
[  332.096147][   T38]  dump_stack_lvl+0xe8/0x150
[  332.096185][   T38]  nmi_cpu_backtrace+0x274/0x2d0
[  332.096207][   T38]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  332.096230][   T38]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  332.096254][   T38]  sys_info+0x135/0x170
[  332.096281][   T38]  watchdog+0xf90/0xfe0
[  332.096312][   T38]  ? watchdog+0x209/0xfe0
[  332.096344][   T38]  kthread+0x726/0x8b0
[  332.096372][   T38]  ? __pfx_watchdog+0x10/0x10
[  332.096397][   T38]  ? __pfx_kthread+0x10/0x10
[  332.096417][   T38]  ? rt_spin_unlock+0x14f/0x200
[  332.096441][   T38]  ? rt_spin_unlock+0x160/0x200
[  332.096460][   T38]  ? __pfx_kthread+0x10/0x10
[  332.096484][   T38]  ret_from_fork+0x51b/0xa40
[  332.096508][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  332.096527][   T38]  ? __switch_to+0xc82/0x1410
[  332.096559][   T38]  ? __pfx_kthread+0x10/0x10
[  332.096583][   T38]  ret_from_fork_asm+0x1a/0x30
[  332.096624][   T38]  </TASK>
[  332.096632][   T38] Sending NMI from CPU 0 to CPUs 1:
[  332.096664][    C1] NMI backtrace for cpu 1
[  332.096683][    C1] CPU: 1 UID: 0 PID: 6665 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  332.096703][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  332.096715][    C1] RIP: 0010:__kernel_text_address+0x23/0x30
[  332.096742][    C1] Code: 90 90 90 90 90 90 90 0f 1f 40 d6 53 48 89 fb e8 33 00 00 00 48 81 fb 00 20 9f 90 0f 93 c1 48 81 fb e0 7a b6 90 0f 92 c2 20 ca <08> c2 0f b6 c2 5b c3 cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90
[  332.096758][    C1] RSP: 0018:ffffc90003a663d8 EFLAGS: 00000246
[  332.096774][    C1] RAX: 0000000000000001 RBX: ffffffff841f6e49 RCX: 0000000000000000
[  332.096786][    C1] RDX: 0000000000000000 RSI: ffffffff8d592237 RDI: ffffffff841f6e49
[  332.096800][    C1] RBP: ffffc90003a66490 R08: ffffc90003a66910 R09: 0000000000000000
[  332.096813][    C1] R10: ffffc90003a66458 R11: fffff5200074cc8d R12: ffff88802ff11e40
[  332.096827][    C1] R13: ffffffff81fe8355 R14: dffffc0000000000 R15: 1ffff9200074cc8a
[  332.096841][    C1] FS:  00007fae2560e6c0(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000
[  332.096857][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  332.096870][    C1] CR2: 00007f782ee95000 CR3: 000000004261e000 CR4: 00000000003526f0
[  332.096887][    C1] Call Trace:
[  332.096893][    C1]  <TASK>
[  332.096900][    C1]  unwind_get_return_address+0x4d/0x90
[  332.096923][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  332.096940][    C1]  arch_stack_walk+0xfb/0x150
[  332.096963][    C1]  ? f2fs_finish_read_bio+0x599/0x5f0
[  332.096988][    C1]  stack_trace_save+0xa9/0x100
[  332.097005][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  332.097027][    C1]  kasan_save_stack+0x3e/0x60
[  332.097048][    C1]  ? kasan_save_stack+0x3e/0x60
[  332.097069][    C1]  ? kasan_record_aux_stack+0xbd/0xd0
[  332.097087][    C1]  ? call_rcu+0xee/0x890
[  332.097108][    C1]  ? kmem_cache_free+0x71c/0x8c0
[  332.097132][    C1]  ? mempool_free+0xf5/0x140
[  332.097171][    C1]  kasan_record_aux_stack+0xbd/0xd0
[  332.097189][    C1]  ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[  332.097208][    C1]  call_rcu+0xee/0x890
[  332.097231][    C1]  ? __phys_addr+0xd3/0x180
[  332.097254][    C1]  ? mempool_free+0xf5/0x140
[  332.097272][    C1]  kmem_cache_free+0x71c/0x8c0
[  332.097296][    C1]  ? mempool_free+0xf5/0x140
[  332.097321][    C1]  ? __pfx_mempool_free_slab+0x10/0x10
[  332.097340][    C1]  mempool_free+0xf5/0x140
[  332.097357][    C1]  ? __pfx_mempool_free+0x10/0x10
[  332.097377][    C1]  ? bio_first_folio+0x468/0x670
[  332.097395][    C1]  ? folio_end_read+0x1a9/0x230
[  332.097418][    C1]  f2fs_finish_read_bio+0x599/0x5f0
[  332.097443][    C1]  f2fs_get_read_data_folio+0x4bb/0x7c0
[  332.097469][    C1]  ? do_garbage_collect+0x3311/0x6d40
[  332.097492][    C1]  ? __pfx_f2fs_get_read_data_folio+0x10/0x10
[  332.097519][    C1]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  332.097545][    C1]  ? f2fs_meta_inode_gc_required+0x2a0/0x340
[  332.097569][    C1]  do_garbage_collect+0x46af/0x6d40
[  332.097596][    C1]  ? do_raw_spin_lock+0x12b/0x2f0
[  332.097627][    C1]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  332.097658][    C1]  ? __lock_acquire+0x6b5/0x2cf0
[  332.097677][    C1]  ? __pfx_do_garbage_collect+0x10/0x10
[  332.097705][    C1]  ? __lock_acquire+0x6b5/0x2cf0
[  332.097724][    C1]  ? do_raw_spin_lock+0x12b/0x2f0
[  332.097755][    C1]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  332.097778][    C1]  ? lockdep_hardirqs_on+0x7a/0x110
[  332.097800][    C1]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  332.097822][    C1]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  332.097852][    C1]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  332.097875][    C1]  ? lockdep_hardirqs_on+0x7a/0x110
[  332.097896][    C1]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  332.097920][    C1]  f2fs_gc+0xd0f/0x25f0
[  332.097953][    C1]  ? __pfx_f2fs_gc+0x10/0x10
[  332.097978][    C1]  ? do_raw_spin_lock+0x12b/0x2f0
[  332.098010][    C1]  ? rwbase_write_lock+0x568/0x730
[  332.098039][    C1]  f2fs_balance_fs+0x624/0x800
[  332.098065][    C1]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  332.098084][    C1]  ? f2fs_map_blocks+0x3523/0x41b0
[  332.098109][    C1]  ? __pfx_f2fs_balance_fs+0x10/0x10
[  332.098134][    C1]  ? percpu_counter_add_batch+0xea/0x1d0
[  332.098167][    C1]  f2fs_map_blocks+0x3523/0x41b0
[  332.098215][    C1]  ? __pfx_f2fs_map_blocks+0x10/0x10
[  332.098239][    C1]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  332.098273][    C1]  ? f2fs_allocate_pinning_section+0x1ac/0x370
[  332.098296][    C1]  f2fs_expand_inode_data+0x5fc/0xa80
[  332.098332][    C1]  ? __pfx_f2fs_expand_inode_data+0x10/0x10
[  332.098360][    C1]  ? rt_spin_unlock+0x160/0x200
[  332.098378][    C1]  ? file_update_time_flags+0x43f/0x4e0
[  332.098400][    C1]  f2fs_fallocate+0x4e8/0x970
[  332.098423][    C1]  vfs_fallocate+0x672/0x7f0
[  332.098448][    C1]  ? __pfx_vfs_fallocate+0x10/0x10
[  332.098475][    C1]  file_ioctl+0x5cb/0x870
[  332.098496][    C1]  ? __pfx_file_ioctl+0x10/0x10
[  332.098527][    C1]  ? tomoyo_path_number_perm+0x219/0x630
[  332.098551][    C1]  ? tomoyo_path_number_perm+0x219/0x630
[  332.098575][    C1]  do_vfs_ioctl+0xc29/0x1540
[  332.098597][    C1]  ? __pfx_do_vfs_ioctl+0x10/0x10
[  332.098617][    C1]  ? __pfx_smack_log+0x10/0x10
[  332.098635][    C1]  ? smk_access+0x14c/0x4e0
[  332.098655][    C1]  ? smk_tskacc+0x311/0x3a0
[  332.098675][    C1]  ? smack_file_ioctl+0x263/0x360
[  332.098697][    C1]  ? __pfx_smack_file_ioctl+0x10/0x10
[  332.098722][    C1]  ? __fget_files+0x2a/0x420
[  332.098737][    C1]  ? __fget_files+0x3a6/0x420
[  332.098752][    C1]  ? __fget_files+0x2a/0x420
[  332.098768][    C1]  ? bpf_lsm_file_ioctl+0x9/0x20
[  332.098786][    C1]  __se_sys_ioctl+0x82/0x170
[  332.098808][    C1]  do_syscall_64+0xe2/0xf80
[  332.098830][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  332.098848][    C1]  ? trace_irq_disable+0x37/0x100
[  332.098870][    C1]  ? clear_bhb_loop+0x60/0xb0
[  332.098890][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  332.098908][    C1] RIP: 0033:0x7fae25faa379
[  332.098924][    C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  332.098940][    C1] RSP: 002b:00007fae2560e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  332.098958][    C1] RAX: ffffffffffffffda RBX: 00007fae261e5fa0 RCX: 00007fae25faa379
[  332.098972][    C1] RDX: 00002000000000c0 RSI: 0000000040305828 RDI: 0000000000000004
[  332.098985][    C1] RBP: 00007fae2603dd68 R08: 0000000000000000 R09: 0000000000000000
[  332.098997][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  332.099008][    C1] R13: 00007fae261e6038 R14: 00007fae261e5fa0 R15: 00007ffc3b46dda8
[  332.099029][    C1]  </TASK>
[  332.099663][   T38] Kernel panic - not syncing: hung_task: blocked tasks
[  332.099688][   T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  332.099711][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[  332.099723][   T38] Call Trace:
[  332.099731][   T38]  <TASK>
[  332.099740][   T38]  vpanic+0x1e0/0x670
[  332.099771][   T38]  panic+0xc5/0xd0
[  332.099797][   T38]  ? __pfx_panic+0x10/0x10
[  332.099831][   T38]  ? nmi_trigger_cpumask_backtrace+0x234/0x300
[  332.099857][   T38]  watchdog+0xfda/0xfe0
[  332.099889][   T38]  ? watchdog+0x209/0xfe0
[  332.099922][   T38]  kthread+0x726/0x8b0
[  332.099949][   T38]  ? __pfx_watchdog+0x10/0x10
[  332.099975][   T38]  ? __pfx_kthread+0x10/0x10
[  332.099996][   T38]  ? rt_spin_unlock+0x14f/0x200
[  332.100021][   T38]  ? rt_spin_unlock+0x160/0x200
[  332.100040][   T38]  ? __pfx_kthread+0x10/0x10
[  332.100071][   T38]  ret_from_fork+0x51b/0xa40
[  332.100095][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  332.100114][   T38]  ? __switch_to+0xc82/0x1410
[  332.100145][   T38]  ? __pfx_kthread+0x10/0x10
[  332.100169][   T38]  ret_from_fork_asm+0x1a/0x30
[  332.100211][   T38]  </TASK>
[  332.100740][   T38] Kernel Offset: disabled