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
[ 289.045446][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 289.045467][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 289.045479][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 289.045491][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 289.045504][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 289.045515][ T6649] R13: 00007f05507af33b R14: 0000000000046827 R15: 00007ffd2b72d980
[ 289.045552][ T6649]
[ 289.045560][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 289.911214][ T7297] loop1: detected capacity change from 0 to 40427
[ 289.944095][ T7297] F2FS-fs (loop1): invalid crc value
[ 290.121579][ T7297] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 290.134709][ T7297] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 290.354380][ T37] audit: type=1800 audit(1770582322.432:84): pid=7302 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.99" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 290.385022][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 290.385051][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 290.385062][ T6649] Call Trace:
[ 290.385070][ T6649]
[ 290.385078][ T6649] dump_stack_lvl+0xe8/0x150
[ 290.385108][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 290.385141][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 290.385190][ T6649] __submit_merged_bio+0x256/0x650
[ 290.385224][ T6649] __submit_merged_write_cond+0x269/0x530
[ 290.385256][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 290.385274][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 290.385335][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 290.385409][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 290.385449][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 290.385473][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 290.385496][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 290.385519][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 290.385538][ T6649] ? reacquire_held_locks+0x104/0x190
[ 290.385559][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 290.385586][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 290.385611][ T6649] ? rt_spin_unlock+0x160/0x200
[ 290.385629][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 290.385650][ T6649] do_writepages+0x32e/0x550
[ 290.385672][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 290.385693][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 290.385724][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 290.385749][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 290.385767][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 290.385826][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 290.385855][ T6649] ? rt_spin_unlock+0x160/0x200
[ 290.385877][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 290.385914][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 290.385981][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 290.386061][ T6649] kill_f2fs_super+0x308/0x710
[ 290.386089][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 290.386135][ T6649] deactivate_locked_super+0xbc/0x130
[ 290.386159][ T6649] cleanup_mnt+0x437/0x4d0
[ 290.386185][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 290.386211][ T6649] task_work_run+0x1d9/0x270
[ 290.386238][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 290.386273][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 290.386295][ T6649] ? rcu_is_watching+0x15/0xb0
[ 290.386321][ T6649] do_syscall_64+0x2b7/0xf80
[ 290.386343][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.386361][ T6649] ? trace_irq_disable+0x37/0x100
[ 290.386382][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 290.386404][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.386422][ T6649] RIP: 0033:0x7f055071c157
[ 290.386440][ T6649] Code: a2 c7 05 3c 84 23 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 290.386456][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 290.386476][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 290.386489][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 290.386501][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 290.386513][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 290.386525][ T6649] R13: 00007f05507af33b R14: 0000000000046d7d R15: 00007ffd2b72d980
[ 290.386558][ T6649]
[ 290.386567][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 290.733395][ T6640] bio_check_eod: 30205 callbacks suppressed
[ 290.733413][ T6640] syz.0.21: attempt to access beyond end of device
[ 290.733413][ T6640] loop0: rw=524288, sector=89520, nr_sectors = 8 limit=40427
[ 290.733531][ T6640] syz.0.21: attempt to access beyond end of device
[ 290.733531][ T6640] loop0: rw=524288, sector=89528, nr_sectors = 8 limit=40427
[ 290.733639][ T6640] syz.0.21: attempt to access beyond end of device
[ 290.733639][ T6640] loop0: rw=524288, sector=89536, nr_sectors = 8 limit=40427
[ 290.733748][ T6640] syz.0.21: attempt to access beyond end of device
[ 290.733748][ T6640] loop0: rw=524288, sector=89544, nr_sectors = 8 limit=40427
[ 290.733857][ T6640] syz.0.21: attempt to access beyond end of device
[ 290.733857][ T6640] loop0: rw=524288, sector=89552, nr_sectors = 8 limit=40427
[ 290.734357][ T6640] syz.0.21: attempt to access beyond end of device
[ 290.734357][ T6640] loop0: rw=524288, sector=89560, nr_sectors = 8 limit=40427
[ 290.734477][ T6640] syz.0.21: attempt to access beyond end of device
[ 290.734477][ T6640] loop0: rw=524288, sector=89568, nr_sectors = 8 limit=40427
[ 290.734593][ T6640] syz.0.21: attempt to access beyond end of device
[ 290.734593][ T6640] loop0: rw=524288, sector=89576, nr_sectors = 8 limit=40427
[ 290.734709][ T6640] syz.0.21: attempt to access beyond end of device
[ 290.734709][ T6640] loop0: rw=524288, sector=89584, nr_sectors = 8 limit=40427
[ 290.734825][ T6640] syz.0.21: attempt to access beyond end of device
[ 290.734825][ T6640] loop0: rw=524288, sector=89592, nr_sectors = 8 limit=40427
[ 291.269653][ T7305] loop1: detected capacity change from 0 to 40427
[ 291.293239][ T7305] F2FS-fs (loop1): invalid crc value
[ 291.438372][ T7305] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 291.465457][ T7305] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 291.700117][ T37] audit: type=1800 audit(1770582323.772:85): pid=7310 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.100" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 291.774006][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 291.774034][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 291.774046][ T6649] Call Trace:
[ 291.774053][ T6649]
[ 291.774061][ T6649] dump_stack_lvl+0xe8/0x150
[ 291.774092][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 291.774125][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 291.774163][ T6649] __submit_merged_bio+0x256/0x650
[ 291.774195][ T6649] __submit_merged_write_cond+0x269/0x530
[ 291.774228][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 291.774247][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 291.774323][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 291.774398][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 291.774437][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 291.774462][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 291.774484][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 291.774507][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 291.774527][ T6649] ? reacquire_held_locks+0x104/0x190
[ 291.774548][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 291.774576][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 291.774600][ T6649] ? rt_spin_unlock+0x160/0x200
[ 291.774618][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 291.774639][ T6649] do_writepages+0x32e/0x550
[ 291.774660][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 291.774682][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 291.774712][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 291.774736][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 291.774755][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 291.774812][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 291.774841][ T6649] ? rt_spin_unlock+0x160/0x200
[ 291.774863][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 291.774900][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 291.774953][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 291.775032][ T6649] kill_f2fs_super+0x308/0x710
[ 291.775060][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 291.775106][ T6649] deactivate_locked_super+0xbc/0x130
[ 291.775130][ T6649] cleanup_mnt+0x437/0x4d0
[ 291.775149][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 291.775177][ T6649] task_work_run+0x1d9/0x270
[ 291.775203][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 291.775238][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 291.775266][ T6649] ? rcu_is_watching+0x15/0xb0
[ 291.775292][ T6649] do_syscall_64+0x2b7/0xf80
[ 291.775315][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.775333][ T6649] ? trace_irq_disable+0x37/0x100
[ 291.775354][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 291.775376][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.775393][ T6649] RIP: 0033:0x7f055071c157
[ 291.775412][ T6649] Code: a2 c7 05 3c 84 23 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
[ 291.775428][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 291.775449][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 291.775462][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 291.775473][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 291.775496][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 291.775508][ T6649] R13: 00007f05507af33b R14: 00000000000472c4 R15: 00007ffd2b72d980
[ 291.775542][ T6649]
[ 291.775550][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 292.638722][ T7313] loop1: detected capacity change from 0 to 40427
[ 292.659386][ T7313] F2FS-fs (loop1): invalid crc value
[ 292.821558][ T7313] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 292.822879][ T7313] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 293.037528][ T37] audit: type=1800 audit(1770582325.112:86): pid=7318 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.101" name="file1" dev="loop1" ino=10 res=0 errno=0
2026/02/08 20:25:25 executed programs: 87
[ 293.083939][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 293.083968][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 293.083979][ T6649] Call Trace:
[ 293.083987][ T6649]
[ 293.083995][ T6649] dump_stack_lvl+0xe8/0x150
[ 293.084025][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 293.084058][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 293.084092][ T6649] __submit_merged_bio+0x256/0x650
[ 293.084124][ T6649] __submit_merged_write_cond+0x269/0x530
[ 293.084165][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 293.084183][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 293.084237][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 293.084304][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 293.084341][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 293.084366][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 293.084388][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 293.084410][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 293.084430][ T6649] ? reacquire_held_locks+0x104/0x190
[ 293.084451][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 293.084477][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 293.084500][ T6649] ? rt_spin_unlock+0x160/0x200
[ 293.084518][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 293.084538][ T6649] do_writepages+0x32e/0x550
[ 293.084559][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 293.084580][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 293.084609][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 293.084632][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 293.084651][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 293.084703][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 293.084731][ T6649] ? rt_spin_unlock+0x160/0x200
[ 293.084752][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 293.084786][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 293.084834][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 293.084904][ T6649] kill_f2fs_super+0x308/0x710
[ 293.084930][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 293.084972][ T6649] deactivate_locked_super+0xbc/0x130
[ 293.084995][ T6649] cleanup_mnt+0x437/0x4d0
[ 293.085014][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 293.085040][ T6649] task_work_run+0x1d9/0x270
[ 293.085065][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 293.085097][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 293.085117][ T6649] ? rcu_is_watching+0x15/0xb0
[ 293.085142][ T6649] do_syscall_64+0x2b7/0xf80
[ 293.085171][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.085188][ T6649] ? trace_irq_disable+0x37/0x100
[ 293.085209][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 293.085230][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.085248][ T6649] RIP: 0033:0x7f055071c157
[ 293.085266][ T6649] Code: a2 c7 05 3c 84 23 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 293.085281][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 293.085301][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 293.085314][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 293.085325][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 293.085338][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 293.085349][ T6649] R13: 00007f05507af33b R14: 00000000000477f7 R15: 00007ffd2b72d980
[ 293.085380][ T6649]
[ 293.085387][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 293.907191][ T7321] loop1: detected capacity change from 0 to 40427
[ 293.919497][ T7321] F2FS-fs (loop1): invalid crc value
[ 294.096220][ T7321] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 294.098198][ T7321] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 294.328008][ T37] audit: type=1800 audit(1770582326.402:87): pid=7326 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.102" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 294.383973][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 294.383997][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 294.384006][ T6649] Call Trace:
[ 294.384012][ T6649]
[ 294.384018][ T6649] dump_stack_lvl+0xe8/0x150
[ 294.384044][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 294.384070][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 294.384099][ T6649] __submit_merged_bio+0x256/0x650
[ 294.384127][ T6649] __submit_merged_write_cond+0x269/0x530
[ 294.384153][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 294.384166][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 294.384213][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 294.384270][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 294.384300][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 294.384319][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 294.384337][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 294.384354][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 294.384369][ T6649] ? reacquire_held_locks+0x104/0x190
[ 294.384385][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 294.384405][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 294.384423][ T6649] ? rt_spin_unlock+0x160/0x200
[ 294.384436][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 294.384451][ T6649] do_writepages+0x32e/0x550
[ 294.384469][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 294.384485][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 294.384508][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 294.384527][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 294.384541][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 294.384585][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 294.384607][ T6649] ? rt_spin_unlock+0x160/0x200
[ 294.384624][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 294.384652][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 294.384692][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 294.384752][ T6649] kill_f2fs_super+0x308/0x710
[ 294.384772][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 294.384805][ T6649] deactivate_locked_super+0xbc/0x130
[ 294.384823][ T6649] cleanup_mnt+0x437/0x4d0
[ 294.384838][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 294.384857][ T6649] task_work_run+0x1d9/0x270
[ 294.384889][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 294.384914][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 294.384930][ T6649] ? rcu_is_watching+0x15/0xb0
[ 294.384950][ T6649] do_syscall_64+0x2b7/0xf80
[ 294.384968][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.384981][ T6649] ? trace_irq_disable+0x37/0x100
[ 294.384999][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 294.385016][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.385030][ T6649] RIP: 0033:0x7f055071c157
[ 294.385045][ T6649] Code: a2 c7 05 3c 84 23 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
[ 294.385057][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 294.385074][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 294.385084][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 294.385093][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 294.385102][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 294.385111][ T6649] R13: 00007f05507af33b R14: 0000000000047cb8 R15: 00007ffd2b72d980
[ 294.385138][ T6649]
[ 294.385144][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 295.227048][ T7329] loop1: detected capacity change from 0 to 40427
[ 295.245221][ T7329] F2FS-fs (loop1): invalid crc value
[ 295.415734][ T7329] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 295.422104][ T7329] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 295.632822][ T37] audit: type=1800 audit(1770582327.702:88): pid=7334 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.103" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 295.674227][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 295.674256][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 295.674267][ T6649] Call Trace:
[ 295.674275][ T6649]
[ 295.674283][ T6649] dump_stack_lvl+0xe8/0x150
[ 295.674313][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 295.674345][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 295.674382][ T6649] __submit_merged_bio+0x256/0x650
[ 295.674415][ T6649] __submit_merged_write_cond+0x269/0x530
[ 295.674448][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 295.674466][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 295.674526][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 295.674600][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 295.674640][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 295.674664][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 295.674687][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 295.674709][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 295.674725][ T6649] ? reacquire_held_locks+0x104/0x190
[ 295.674743][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 295.674780][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 295.674804][ T6649] ? rt_spin_unlock+0x160/0x200
[ 295.674822][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 295.674842][ T6649] do_writepages+0x32e/0x550
[ 295.674864][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 295.674886][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 295.674916][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 295.674942][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 295.674974][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 295.675032][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 295.675062][ T6649] ? rt_spin_unlock+0x160/0x200
[ 295.675084][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 295.675121][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 295.675175][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 295.675254][ T6649] kill_f2fs_super+0x308/0x710
[ 295.675282][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 295.675328][ T6649] deactivate_locked_super+0xbc/0x130
[ 295.675352][ T6649] cleanup_mnt+0x437/0x4d0
[ 295.675372][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 295.675399][ T6649] task_work_run+0x1d9/0x270
[ 295.675425][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 295.675460][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 295.675481][ T6649] ? rcu_is_watching+0x15/0xb0
[ 295.675507][ T6649] do_syscall_64+0x2b7/0xf80
[ 295.675530][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.675547][ T6649] ? trace_irq_disable+0x37/0x100
[ 295.675568][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 295.675590][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.675608][ T6649] RIP: 0033:0x7f055071c157
[ 295.675626][ T6649] Code: a2 c7 05 3c 84 23 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 295.675642][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 295.675662][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 295.675674][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 295.675686][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 295.675699][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 295.675709][ T6649] R13: 00007f05507af33b R14: 0000000000048206 R15: 00007ffd2b72d980
[ 295.675743][ T6649]
[ 295.675752][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 295.803277][ T6640] bio_check_eod: 30544 callbacks suppressed
[ 295.803295][ T6640] syz.0.21: attempt to access beyond end of device
[ 295.803295][ T6640] loop0: rw=0, sector=86456, nr_sectors = 8 limit=40427
[ 295.803420][ T6640] syz.0.21: attempt to access beyond end of device
[ 295.803420][ T6640] loop0: rw=0, sector=86464, nr_sectors = 8 limit=40427
[ 295.803532][ T6640] syz.0.21: attempt to access beyond end of device
[ 295.803532][ T6640] loop0: rw=0, sector=86472, nr_sectors = 8 limit=40427
[ 295.803645][ T6640] syz.0.21: attempt to access beyond end of device
[ 295.803645][ T6640] loop0: rw=0, sector=86480, nr_sectors = 8 limit=40427
[ 295.803756][ T6640] syz.0.21: attempt to access beyond end of device
[ 295.803756][ T6640] loop0: rw=0, sector=86488, nr_sectors = 8 limit=40427
[ 295.803868][ T6640] syz.0.21: attempt to access beyond end of device
[ 295.803868][ T6640] loop0: rw=0, sector=86496, nr_sectors = 8 limit=40427
[ 295.803987][ T6640] syz.0.21: attempt to access beyond end of device
[ 295.803987][ T6640] loop0: rw=0, sector=86504, nr_sectors = 8 limit=40427
[ 295.804099][ T6640] syz.0.21: attempt to access beyond end of device
[ 295.804099][ T6640] loop0: rw=0, sector=86512, nr_sectors = 8 limit=40427
[ 295.804214][ T6640] syz.0.21: attempt to access beyond end of device
[ 295.804214][ T6640] loop0: rw=0, sector=86520, nr_sectors = 8 limit=40427
[ 295.804353][ T6640] syz.0.21: attempt to access beyond end of device
[ 295.804353][ T6640] loop0: rw=0, sector=86528, nr_sectors = 8 limit=40427
[ 296.586111][ T7337] loop1: detected capacity change from 0 to 40427
[ 296.597839][ T7337] F2FS-fs (loop1): invalid crc value
[ 296.774033][ T7337] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 296.775451][ T7337] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 297.017053][ T37] audit: type=1800 audit(1770582329.092:89): pid=7342 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.104" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 297.064190][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 297.064219][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 297.064231][ T6649] Call Trace:
[ 297.064238][ T6649]
[ 297.064247][ T6649] dump_stack_lvl+0xe8/0x150
[ 297.064277][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 297.064311][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 297.064348][ T6649] __submit_merged_bio+0x256/0x650
[ 297.064382][ T6649] __submit_merged_write_cond+0x269/0x530
[ 297.064415][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 297.064441][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 297.064501][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 297.064575][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 297.064621][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 297.064646][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 297.064669][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 297.064691][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 297.064711][ T6649] ? reacquire_held_locks+0x104/0x190
[ 297.064732][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 297.064760][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 297.064783][ T6649] ? rt_spin_unlock+0x160/0x200
[ 297.064801][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 297.064822][ T6649] do_writepages+0x32e/0x550
[ 297.064843][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 297.064864][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 297.064894][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 297.064919][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 297.064938][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 297.064996][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 297.065025][ T6649] ? rt_spin_unlock+0x160/0x200
[ 297.065047][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 297.065085][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 297.065139][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 297.065219][ T6649] kill_f2fs_super+0x308/0x710
[ 297.065247][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 297.065293][ T6649] deactivate_locked_super+0xbc/0x130
[ 297.065317][ T6649] cleanup_mnt+0x437/0x4d0
[ 297.065338][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 297.065365][ T6649] task_work_run+0x1d9/0x270
[ 297.065392][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 297.065427][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 297.065464][ T6649] ? rcu_is_watching+0x15/0xb0
[ 297.065490][ T6649] do_syscall_64+0x2b7/0xf80
[ 297.065513][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.065531][ T6649] ? trace_irq_disable+0x37/0x100
[ 297.065553][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 297.065576][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.065601][ T6649] RIP: 0033:0x7f055071c157
[ 297.065621][ T6649] Code: a2 c7 05 3c 84 23 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
[ 297.065637][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 297.065658][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 297.065672][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 297.065683][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 297.065697][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 297.065709][ T6649] R13: 00007f05507af33b R14: 000000000004872f R15: 00007ffd2b72d980
[ 297.065744][ T6649]
[ 297.065753][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 297.912852][ T7345] loop1: detected capacity change from 0 to 40427
[ 297.934725][ T7345] F2FS-fs (loop1): invalid crc value
[ 298.182135][ T7345] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 298.184443][ T7345] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
2026/02/08 20:25:30 executed programs: 91
[ 298.386425][ T37] audit: type=1800 audit(1770582330.462:90): pid=7350 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.105" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 298.454199][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 298.454228][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 298.454241][ T6649] Call Trace:
[ 298.454250][ T6649]
[ 298.454258][ T6649] dump_stack_lvl+0xe8/0x150
[ 298.454289][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 298.454323][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 298.454362][ T6649] __submit_merged_bio+0x256/0x650
[ 298.454395][ T6649] __submit_merged_write_cond+0x269/0x530
[ 298.454429][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 298.454448][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 298.454500][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 298.454566][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 298.454606][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 298.454631][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 298.454655][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 298.454679][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 298.454699][ T6649] ? reacquire_held_locks+0x104/0x190
[ 298.454721][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 298.454757][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 298.454781][ T6649] ? rt_spin_unlock+0x160/0x200
[ 298.454800][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 298.454821][ T6649] do_writepages+0x32e/0x550
[ 298.454844][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 298.454867][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 298.454898][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 298.454924][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 298.454943][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 298.455002][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 298.455032][ T6649] ? rt_spin_unlock+0x160/0x200
[ 298.455055][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 298.455097][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 298.455151][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 298.455232][ T6649] kill_f2fs_super+0x308/0x710
[ 298.455261][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 298.455307][ T6649] deactivate_locked_super+0xbc/0x130
[ 298.455331][ T6649] cleanup_mnt+0x437/0x4d0
[ 298.455352][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 298.455380][ T6649] task_work_run+0x1d9/0x270
[ 298.455407][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 298.455442][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 298.455464][ T6649] ? rcu_is_watching+0x15/0xb0
[ 298.455489][ T6649] do_syscall_64+0x2b7/0xf80
[ 298.455513][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 298.455531][ T6649] ? trace_irq_disable+0x37/0x100
[ 298.455552][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 298.455576][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 298.455595][ T6649] RIP: 0033:0x7f055071c157
[ 298.455613][ T6649] Code: a2 c7 05 3c 84 23 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 298.455629][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 298.455650][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 298.455664][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 298.455676][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 298.455690][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 298.455702][ T6649] R13: 00007f05507af33b R14: 0000000000048ca8 R15: 00007ffd2b72d980
[ 298.455743][ T6649]
[ 298.455752][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 299.274413][ T7353] loop1: detected capacity change from 0 to 40427
[ 299.297779][ T7353] F2FS-fs (loop1): invalid crc value
[ 299.456098][ T7353] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 299.472326][ T7353] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 299.726420][ T37] audit: type=1800 audit(1770582331.802:91): pid=7358 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.106" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 299.774108][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 299.774138][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 299.774151][ T6649] Call Trace:
[ 299.774159][ T6649]
[ 299.774168][ T6649] dump_stack_lvl+0xe8/0x150
[ 299.774199][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 299.774234][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 299.774272][ T6649] __submit_merged_bio+0x256/0x650
[ 299.774306][ T6649] __submit_merged_write_cond+0x269/0x530
[ 299.774340][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 299.774359][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 299.774412][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 299.774488][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 299.774528][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 299.774554][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 299.774578][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 299.774601][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 299.774621][ T6649] ? reacquire_held_locks+0x104/0x190
[ 299.774643][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 299.774681][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 299.774706][ T6649] ? rt_spin_unlock+0x160/0x200
[ 299.774724][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 299.774746][ T6649] do_writepages+0x32e/0x550
[ 299.774769][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 299.774792][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 299.774823][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 299.774849][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 299.774869][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 299.774928][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 299.774958][ T6649] ? rt_spin_unlock+0x160/0x200
[ 299.774981][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 299.775018][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 299.775072][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 299.775152][ T6649] kill_f2fs_super+0x308/0x710
[ 299.775180][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 299.775227][ T6649] deactivate_locked_super+0xbc/0x130
[ 299.775251][ T6649] cleanup_mnt+0x437/0x4d0
[ 299.775272][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 299.775299][ T6649] task_work_run+0x1d9/0x270
[ 299.775326][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 299.775361][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 299.775384][ T6649] ? rcu_is_watching+0x15/0xb0
[ 299.775411][ T6649] do_syscall_64+0x2b7/0xf80
[ 299.775433][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 299.775451][ T6649] ? trace_irq_disable+0x37/0x100
[ 299.775473][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 299.775498][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 299.775516][ T6649] RIP: 0033:0x7f055071c157
[ 299.775535][ T6649] Code: a2 c7 05 3c 84 23 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
[ 299.775551][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 299.775572][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 299.775585][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 299.775598][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 299.775611][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 299.775623][ T6649] R13: 00007f05507af33b R14: 00000000000491d0 R15: 00007ffd2b72d980
[ 299.775664][ T6649]
[ 299.775673][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 300.666301][ T7361] loop1: detected capacity change from 0 to 40427
[ 300.685175][ T7361] F2FS-fs (loop1): invalid crc value
[ 300.813101][ T6640] bio_check_eod: 29911 callbacks suppressed
[ 300.813122][ T6640] syz.0.21: attempt to access beyond end of device
[ 300.813122][ T6640] loop0: rw=524288, sector=86192, nr_sectors = 8 limit=40427
[ 300.813235][ T6640] syz.0.21: attempt to access beyond end of device
[ 300.813235][ T6640] loop0: rw=524288, sector=86200, nr_sectors = 8 limit=40427
[ 300.813319][ T6640] syz.0.21: attempt to access beyond end of device
[ 300.813319][ T6640] loop0: rw=524288, sector=86208, nr_sectors = 8 limit=40427
[ 300.813382][ T6640] syz.0.21: attempt to access beyond end of device
[ 300.813382][ T6640] loop0: rw=524288, sector=86216, nr_sectors = 8 limit=40427
[ 300.813448][ T6640] syz.0.21: attempt to access beyond end of device
[ 300.813448][ T6640] loop0: rw=524288, sector=86224, nr_sectors = 8 limit=40427
[ 300.813513][ T6640] syz.0.21: attempt to access beyond end of device
[ 300.813513][ T6640] loop0: rw=524288, sector=86232, nr_sectors = 8 limit=40427
[ 300.813585][ T6640] syz.0.21: attempt to access beyond end of device
[ 300.813585][ T6640] loop0: rw=524288, sector=86240, nr_sectors = 8 limit=40427
[ 300.813647][ T6640] syz.0.21: attempt to access beyond end of device
[ 300.813647][ T6640] loop0: rw=524288, sector=86248, nr_sectors = 8 limit=40427
[ 300.813709][ T6640] syz.0.21: attempt to access beyond end of device
[ 300.813709][ T6640] loop0: rw=524288, sector=86256, nr_sectors = 8 limit=40427
[ 300.813771][ T6640] syz.0.21: attempt to access beyond end of device
[ 300.813771][ T6640] loop0: rw=524288, sector=86264, nr_sectors = 8 limit=40427
[ 300.821888][ T7361] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 300.831943][ T7361] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 301.094022][ T37] audit: type=1800 audit(1770582333.172:92): pid=7366 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.107" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 301.134205][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 301.134236][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 301.134247][ T6649] Call Trace:
[ 301.134255][ T6649]
[ 301.134264][ T6649] dump_stack_lvl+0xe8/0x150
[ 301.134294][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 301.134327][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 301.134363][ T6649] __submit_merged_bio+0x256/0x650
[ 301.134395][ T6649] __submit_merged_write_cond+0x269/0x530
[ 301.134427][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 301.134446][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 301.134509][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 301.134582][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 301.134620][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 301.134645][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 301.134668][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 301.134691][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 301.134711][ T6649] ? reacquire_held_locks+0x104/0x190
[ 301.134732][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 301.134758][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 301.134782][ T6649] ? rt_spin_unlock+0x160/0x200
[ 301.134800][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 301.134820][ T6649] do_writepages+0x32e/0x550
[ 301.134842][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 301.134864][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 301.134893][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 301.134917][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 301.134936][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 301.134990][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 301.135017][ T6649] ? rt_spin_unlock+0x160/0x200
[ 301.135040][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 301.135075][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 301.135123][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 301.135194][ T6649] kill_f2fs_super+0x308/0x710
[ 301.135219][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 301.135260][ T6649] deactivate_locked_super+0xbc/0x130
[ 301.135284][ T6649] cleanup_mnt+0x437/0x4d0
[ 301.135304][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 301.135331][ T6649] task_work_run+0x1d9/0x270
[ 301.135357][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 301.135390][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 301.135412][ T6649] ? rcu_is_watching+0x15/0xb0
[ 301.135439][ T6649] do_syscall_64+0x2b7/0xf80
[ 301.135462][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 301.135479][ T6649] ? trace_irq_disable+0x37/0x100
[ 301.135513][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 301.135536][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 301.135554][ T6649] RIP: 0033:0x7f055071c157
[ 301.135574][ T6649] Code: a2 c7 05 3c 84 23 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
[ 301.135591][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 301.135612][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 301.135626][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 301.135638][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 301.135651][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 301.135664][ T6649] R13: 00007f05507af33b R14: 000000000004976f R15: 00007ffd2b72d980
[ 301.135695][ T6649]
[ 301.135704][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 301.970139][ T7369] loop1: detected capacity change from 0 to 40427
[ 301.980068][ T7369] F2FS-fs (loop1): invalid crc value
[ 302.093965][ T7369] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 302.105501][ T7369] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 302.318926][ T37] audit: type=1800 audit(1770582334.392:93): pid=7374 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.108" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 302.373847][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 302.373877][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 302.373900][ T6649] Call Trace:
[ 302.373909][ T6649]
[ 302.373918][ T6649] dump_stack_lvl+0xe8/0x150
[ 302.373949][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 302.373984][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 302.374022][ T6649] __submit_merged_bio+0x256/0x650
[ 302.374055][ T6649] __submit_merged_write_cond+0x269/0x530
[ 302.374089][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 302.374108][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 302.374174][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 302.374257][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 302.374297][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 302.374322][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 302.374346][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 302.374369][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 302.374389][ T6649] ? reacquire_held_locks+0x104/0x190
[ 302.374411][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 302.374439][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 302.374463][ T6649] ? rt_spin_unlock+0x160/0x200
[ 302.374482][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 302.374502][ T6649] do_writepages+0x32e/0x550
[ 302.374524][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 302.374547][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 302.374577][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 302.374603][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 302.374622][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 302.374681][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 302.374710][ T6649] ? rt_spin_unlock+0x160/0x200
[ 302.374733][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 302.374770][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 302.374822][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 302.374902][ T6649] kill_f2fs_super+0x308/0x710
[ 302.374930][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 302.374976][ T6649] deactivate_locked_super+0xbc/0x130
[ 302.375000][ T6649] cleanup_mnt+0x437/0x4d0
[ 302.375020][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 302.375047][ T6649] task_work_run+0x1d9/0x270
[ 302.375074][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 302.375109][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 302.375130][ T6649] ? rcu_is_watching+0x15/0xb0
[ 302.375156][ T6649] do_syscall_64+0x2b7/0xf80
[ 302.375179][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 302.375197][ T6649] ? trace_irq_disable+0x37/0x100
[ 302.375218][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 302.375247][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 302.375266][ T6649] RIP: 0033:0x7f055071c157
[ 302.375284][ T6649] Code: a2 c7 05 3c 84 23 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
[ 302.375301][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 302.375322][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 302.375335][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 302.375347][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 302.375360][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 302.375372][ T6649] R13: 00007f05507af33b R14: 0000000000049c4f R15: 00007ffd2b72d980
[ 302.375406][ T6649]
[ 302.375415][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 303.246225][ T7377] loop1: detected capacity change from 0 to 40427
[ 303.264662][ T7377] F2FS-fs (loop1): invalid crc value
[ 303.385708][ T7377] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 303.410520][ T7377] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 303.636875][ T37] audit: type=1800 audit(1770582335.712:94): pid=7382 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.109" name="file1" dev="loop1" ino=10 res=0 errno=0
2026/02/08 20:25:35 executed programs: 95
[ 303.695946][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 303.695976][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 303.695988][ T6649] Call Trace:
[ 303.695996][ T6649]
[ 303.696005][ T6649] dump_stack_lvl+0xe8/0x150
[ 303.696036][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 303.696070][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 303.696117][ T6649] __submit_merged_bio+0x256/0x650
[ 303.696151][ T6649] __submit_merged_write_cond+0x269/0x530
[ 303.696185][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 303.696204][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 303.696264][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 303.696339][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 303.696379][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 303.696404][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 303.696428][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 303.696451][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 303.696471][ T6649] ? reacquire_held_locks+0x104/0x190
[ 303.696493][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 303.696521][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 303.696546][ T6649] ? rt_spin_unlock+0x160/0x200
[ 303.696564][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 303.696585][ T6649] do_writepages+0x32e/0x550
[ 303.696608][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 303.696630][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 303.696671][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 303.696697][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 303.696716][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 303.696776][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 303.696805][ T6649] ? rt_spin_unlock+0x160/0x200
[ 303.696829][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 303.696867][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 303.696920][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 303.697000][ T6649] kill_f2fs_super+0x308/0x710
[ 303.697029][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 303.697075][ T6649] deactivate_locked_super+0xbc/0x130
[ 303.697105][ T6649] cleanup_mnt+0x437/0x4d0
[ 303.697126][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 303.697153][ T6649] task_work_run+0x1d9/0x270
[ 303.697180][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 303.697215][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 303.697236][ T6649] ? rcu_is_watching+0x15/0xb0
[ 303.697263][ T6649] do_syscall_64+0x2b7/0xf80
[ 303.697286][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 303.697304][ T6649] ? trace_irq_disable+0x37/0x100
[ 303.697325][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 303.697348][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 303.697366][ T6649] RIP: 0033:0x7f055071c157
[ 303.697384][ T6649] Code: a2 c7 05 3c 84 23 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 303.697401][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 303.697422][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 303.697435][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 303.697448][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 303.697461][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 303.697474][ T6649] R13: 00007f05507af33b R14: 000000000004a15e R15: 00007ffd2b72d980
[ 303.697508][ T6649]
[ 303.697516][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 303.863173][ T5878] Bluetooth: hci1: command 0x0406 tx timeout
[ 304.524640][ T7385] loop1: detected capacity change from 0 to 40427
[ 304.551379][ T7385] F2FS-fs (loop1): invalid crc value
[ 304.735808][ T7385] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 304.737175][ T7385] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 304.975752][ T37] audit: type=1800 audit(1770582337.052:95): pid=7390 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.110" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 305.034060][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 305.034090][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 305.034102][ T6649] Call Trace:
[ 305.034110][ T6649]
[ 305.034120][ T6649] dump_stack_lvl+0xe8/0x150
[ 305.034150][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 305.034184][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 305.034221][ T6649] __submit_merged_bio+0x256/0x650
[ 305.034255][ T6649] __submit_merged_write_cond+0x269/0x530
[ 305.034289][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 305.034345][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 305.034420][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 305.034460][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 305.034485][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 305.034509][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 305.034532][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 305.034552][ T6649] ? reacquire_held_locks+0x104/0x190
[ 305.034574][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 305.034602][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 305.034627][ T6649] ? rt_spin_unlock+0x160/0x200
[ 305.034646][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 305.034667][ T6649] do_writepages+0x32e/0x550
[ 305.034691][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 305.034713][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 305.034744][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 305.034769][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 305.034788][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 305.034846][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 305.034875][ T6649] ? rt_spin_unlock+0x160/0x200
[ 305.034898][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 305.034936][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 305.035055][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 305.035135][ T6649] kill_f2fs_super+0x308/0x710
[ 305.035164][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 305.035209][ T6649] deactivate_locked_super+0xbc/0x130
[ 305.035234][ T6649] cleanup_mnt+0x437/0x4d0
[ 305.035254][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 305.035281][ T6649] task_work_run+0x1d9/0x270
[ 305.035308][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 305.035343][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 305.035364][ T6649] ? rcu_is_watching+0x15/0xb0
[ 305.035391][ T6649] do_syscall_64+0x2b7/0xf80
[ 305.035414][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 305.035432][ T6649] ? trace_irq_disable+0x37/0x100
[ 305.035454][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 305.035477][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 305.035496][ T6649] RIP: 0033:0x7f055071c157
[ 305.035515][ T6649] Code: a2 c7 05 3c 84 23 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 305.035532][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 305.035553][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 305.035567][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 305.035579][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 305.035593][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 305.035606][ T6649] R13: 00007f05507af33b R14: 000000000004a699 R15: 00007ffd2b72d980
[ 305.035640][ T6649]
[ 305.035648][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 305.755455][ T7393] loop1: detected capacity change from 0 to 40427
[ 305.774914][ T7393] F2FS-fs (loop1): invalid crc value
[ 305.833286][ T6640] bio_check_eod: 28188 callbacks suppressed
[ 305.833308][ T6640] syz.0.21: attempt to access beyond end of device
[ 305.833308][ T6640] loop0: rw=0, sector=87848, nr_sectors = 8 limit=40427
[ 305.833450][ T6640] syz.0.21: attempt to access beyond end of device
[ 305.833450][ T6640] loop0: rw=0, sector=87856, nr_sectors = 8 limit=40427
[ 305.833591][ T6640] syz.0.21: attempt to access beyond end of device
[ 305.833591][ T6640] loop0: rw=0, sector=87864, nr_sectors = 8 limit=40427
[ 305.833716][ T6640] syz.0.21: attempt to access beyond end of device
[ 305.833716][ T6640] loop0: rw=0, sector=87872, nr_sectors = 8 limit=40427
[ 305.833849][ T6640] syz.0.21: attempt to access beyond end of device
[ 305.833849][ T6640] loop0: rw=0, sector=87880, nr_sectors = 8 limit=40427
[ 305.833972][ T6640] syz.0.21: attempt to access beyond end of device
[ 305.833972][ T6640] loop0: rw=0, sector=87888, nr_sectors = 8 limit=40427
[ 305.834093][ T6640] syz.0.21: attempt to access beyond end of device
[ 305.834093][ T6640] loop0: rw=0, sector=87896, nr_sectors = 8 limit=40427
[ 305.834238][ T6640] syz.0.21: attempt to access beyond end of device
[ 305.834238][ T6640] loop0: rw=0, sector=87904, nr_sectors = 8 limit=40427
[ 305.834363][ T6640] syz.0.21: attempt to access beyond end of device
[ 305.834363][ T6640] loop0: rw=0, sector=87912, nr_sectors = 8 limit=40427
[ 305.834484][ T6640] syz.0.21: attempt to access beyond end of device
[ 305.834484][ T6640] loop0: rw=0, sector=87920, nr_sectors = 8 limit=40427
[ 305.979777][ T7393] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 305.987291][ T7393] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 306.191458][ T37] audit: type=1800 audit(1770582338.262:96): pid=7398 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.111" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 306.224161][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 306.224190][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 306.224202][ T6649] Call Trace:
[ 306.224211][ T6649]
[ 306.224220][ T6649] dump_stack_lvl+0xe8/0x150
[ 306.224251][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 306.224285][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 306.224323][ T6649] __submit_merged_bio+0x256/0x650
[ 306.224357][ T6649] __submit_merged_write_cond+0x269/0x530
[ 306.224392][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 306.224410][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 306.224471][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 306.224539][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 306.224563][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 306.224606][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 306.224645][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 306.224670][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 306.224694][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 306.224717][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 306.224756][ T6649] do_writepages+0x32e/0x550
[ 306.224779][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 306.224800][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 306.224831][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 306.224857][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 306.224876][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 306.224935][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 306.224964][ T6649] ? rt_spin_unlock+0x160/0x200
[ 306.224987][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 306.225025][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 306.225078][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 306.225165][ T6649] kill_f2fs_super+0x308/0x710
[ 306.225194][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 306.225240][ T6649] deactivate_locked_super+0xbc/0x130
[ 306.225264][ T6649] cleanup_mnt+0x437/0x4d0
[ 306.225285][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 306.225311][ T6649] task_work_run+0x1d9/0x270
[ 306.225339][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 306.225374][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 306.225396][ T6649] ? rcu_is_watching+0x15/0xb0
[ 306.225423][ T6649] do_syscall_64+0x2b7/0xf80
[ 306.225446][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 306.225464][ T6649] ? trace_irq_disable+0x37/0x100
[ 306.225485][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 306.225508][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 306.225526][ T6649] RIP: 0033:0x7f055071c157
[ 306.225545][ T6649] Code: a2 c7 05 3c 84 23 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
[ 306.225561][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 306.225582][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 306.225595][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 306.225607][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 306.225621][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 306.225633][ T6649] R13: 00007f05507af33b R14: 000000000004ab46 R15: 00007ffd2b72d980
[ 306.225667][ T6649]
[ 306.225676][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 307.060970][ T7402] loop1: detected capacity change from 0 to 40427
[ 307.097453][ T7402] F2FS-fs (loop1): invalid crc value
[ 307.219803][ T7402] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 307.233956][ T7402] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 307.466449][ T37] audit: type=1800 audit(1770582339.542:97): pid=7408 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.112" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 307.516249][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 307.516278][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 307.516290][ T6649] Call Trace:
[ 307.516298][ T6649]
[ 307.516307][ T6649] dump_stack_lvl+0xe8/0x150
[ 307.516338][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 307.516371][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 307.516410][ T6649] __submit_merged_bio+0x256/0x650
[ 307.516443][ T6649] __submit_merged_write_cond+0x269/0x530
[ 307.516476][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 307.516495][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 307.516555][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 307.516631][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 307.516670][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 307.516695][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 307.516719][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 307.516742][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 307.516762][ T6649] ? reacquire_held_locks+0x104/0x190
[ 307.516792][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 307.516820][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 307.516845][ T6649] ? rt_spin_unlock+0x160/0x200
[ 307.516863][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 307.516885][ T6649] do_writepages+0x32e/0x550
[ 307.516908][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 307.516930][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 307.516967][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 307.516993][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 307.517012][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 307.517071][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 307.517100][ T6649] ? rt_spin_unlock+0x160/0x200
[ 307.517124][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 307.517161][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 307.517215][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 307.517295][ T6649] kill_f2fs_super+0x308/0x710
[ 307.517324][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 307.517370][ T6649] deactivate_locked_super+0xbc/0x130
[ 307.517395][ T6649] cleanup_mnt+0x437/0x4d0
[ 307.517416][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 307.517443][ T6649] task_work_run+0x1d9/0x270
[ 307.517470][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 307.517505][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 307.517526][ T6649] ? rcu_is_watching+0x15/0xb0
[ 307.517553][ T6649] do_syscall_64+0x2b7/0xf80
[ 307.517575][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 307.517594][ T6649] ? trace_irq_disable+0x37/0x100
[ 307.517615][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 307.517638][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 307.517656][ T6649] RIP: 0033:0x7f055071c157
[ 307.517674][ T6649] Code: a2 c7 05 3c 84 23 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 307.517691][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 307.517711][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 307.517724][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 307.517737][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 307.517750][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 307.517763][ T6649] R13: 00007f05507af33b R14: 000000000004b054 R15: 00007ffd2b72d980
[ 307.517803][ T6649]
[ 307.517812][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 308.415402][ T7412] loop1: detected capacity change from 0 to 40427
[ 308.434898][ T7412] F2FS-fs (loop1): invalid crc value
[ 308.590304][ T7412] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 308.591523][ T7412] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
2026/02/08 20:25:40 executed programs: 99
[ 308.848221][ T37] audit: type=1800 audit(1770582340.912:98): pid=7417 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.113" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 308.873637][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 308.873665][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 308.873677][ T6649] Call Trace:
[ 308.873685][ T6649]
[ 308.873694][ T6649] dump_stack_lvl+0xe8/0x150
[ 308.873726][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 308.873758][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 308.873794][ T6649] __submit_merged_bio+0x256/0x650
[ 308.873826][ T6649] __submit_merged_write_cond+0x269/0x530
[ 308.873858][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 308.873876][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 308.873935][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 308.874002][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 308.874039][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 308.874063][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 308.874087][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 308.874110][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 308.874129][ T6649] ? reacquire_held_locks+0x104/0x190
[ 308.874150][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 308.874177][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 308.874201][ T6649] ? rt_spin_unlock+0x160/0x200
[ 308.874219][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 308.874240][ T6649] do_writepages+0x32e/0x550
[ 308.874262][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 308.874284][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 308.874313][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 308.874337][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 308.874356][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 308.874409][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 308.874437][ T6649] ? rt_spin_unlock+0x160/0x200
[ 308.874459][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 308.874493][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 308.874542][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 308.874612][ T6649] kill_f2fs_super+0x308/0x710
[ 308.874638][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 308.874680][ T6649] deactivate_locked_super+0xbc/0x130
[ 308.874703][ T6649] cleanup_mnt+0x437/0x4d0
[ 308.874723][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 308.874749][ T6649] task_work_run+0x1d9/0x270
[ 308.874775][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 308.874808][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 308.874829][ T6649] ? rcu_is_watching+0x15/0xb0
[ 308.874855][ T6649] do_syscall_64+0x2b7/0xf80
[ 308.874877][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 308.874896][ T6649] ? trace_irq_disable+0x37/0x100
[ 308.874939][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 308.874962][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 308.874980][ T6649] RIP: 0033:0x7f055071c157
[ 308.874998][ T6649] Code: a2 c7 05 3c 84 23 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
[ 308.875014][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 308.875035][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 308.875049][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 308.875062][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 308.875076][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 308.875088][ T6649] R13: 00007f05507af33b R14: 000000000004b5ac R15: 00007ffd2b72d980
[ 308.875119][ T6649]
[ 308.875128][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 309.732280][ T7422] loop1: detected capacity change from 0 to 40427
[ 309.744782][ T7422] F2FS-fs (loop1): invalid crc value
[ 309.890913][ T7422] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 309.892292][ T7422] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 310.110645][ T37] audit: type=1800 audit(1770582342.182:99): pid=7427 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.114" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 310.188749][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 310.188779][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 310.188791][ T6649] Call Trace:
[ 310.188799][ T6649]
[ 310.188808][ T6649] dump_stack_lvl+0xe8/0x150
[ 310.188838][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 310.188870][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 310.188903][ T6649] __submit_merged_bio+0x256/0x650
[ 310.188935][ T6649] __submit_merged_write_cond+0x269/0x530
[ 310.188968][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 310.188986][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 310.189041][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 310.189106][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 310.189143][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 310.189168][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 310.189192][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 310.189215][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 310.189235][ T6649] ? reacquire_held_locks+0x104/0x190
[ 310.189256][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 310.189282][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 310.189307][ T6649] ? rt_spin_unlock+0x160/0x200
[ 310.189325][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 310.189346][ T6649] do_writepages+0x32e/0x550
[ 310.189367][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 310.189388][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 310.189416][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 310.189438][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 310.189452][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 310.189491][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 310.189512][ T6649] ? rt_spin_unlock+0x160/0x200
[ 310.189528][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 310.189553][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 310.189598][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 310.189651][ T6649] kill_f2fs_super+0x308/0x710
[ 310.189672][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 310.189703][ T6649] deactivate_locked_super+0xbc/0x130
[ 310.189721][ T6649] cleanup_mnt+0x437/0x4d0
[ 310.189736][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 310.189756][ T6649] task_work_run+0x1d9/0x270
[ 310.189777][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 310.189802][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 310.189818][ T6649] ? rcu_is_watching+0x15/0xb0
[ 310.189838][ T6649] do_syscall_64+0x2b7/0xf80
[ 310.189857][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 310.189870][ T6649] ? trace_irq_disable+0x37/0x100
[ 310.189887][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 310.189904][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 310.189917][ T6649] RIP: 0033:0x7f055071c157
[ 310.189932][ T6649] Code: a2 c7 05 3c 84 23 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
[ 310.189945][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 310.189961][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 310.189971][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 310.189980][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 310.189990][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 310.189999][ T6649] R13: 00007f05507af33b R14: 000000000004babd R15: 00007ffd2b72d980
[ 310.190022][ T6649]
[ 310.190029][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 310.843177][ T6640] bio_check_eod: 29269 callbacks suppressed
[ 310.843197][ T6640] syz.0.21: attempt to access beyond end of device
[ 310.843197][ T6640] loop0: rw=0, sector=86368, nr_sectors = 8 limit=40427
[ 310.843319][ T6640] syz.0.21: attempt to access beyond end of device
[ 310.843319][ T6640] loop0: rw=0, sector=86376, nr_sectors = 8 limit=40427
[ 310.843441][ T6640] syz.0.21: attempt to access beyond end of device
[ 310.843441][ T6640] loop0: rw=0, sector=86384, nr_sectors = 8 limit=40427
[ 310.843562][ T6640] syz.0.21: attempt to access beyond end of device
[ 310.843562][ T6640] loop0: rw=0, sector=86392, nr_sectors = 8 limit=40427
[ 310.843684][ T6640] syz.0.21: attempt to access beyond end of device
[ 310.843684][ T6640] loop0: rw=0, sector=86400, nr_sectors = 8 limit=40427
[ 310.843812][ T6640] syz.0.21: attempt to access beyond end of device
[ 310.843812][ T6640] loop0: rw=0, sector=86408, nr_sectors = 8 limit=40427
[ 310.843933][ T6640] syz.0.21: attempt to access beyond end of device
[ 310.843933][ T6640] loop0: rw=0, sector=86416, nr_sectors = 8 limit=40427
[ 310.844054][ T6640] syz.0.21: attempt to access beyond end of device
[ 310.844054][ T6640] loop0: rw=0, sector=86424, nr_sectors = 8 limit=40427
[ 310.844175][ T6640] syz.0.21: attempt to access beyond end of device
[ 310.844175][ T6640] loop0: rw=0, sector=86432, nr_sectors = 8 limit=40427
[ 310.844321][ T6640] syz.0.21: attempt to access beyond end of device
[ 310.844321][ T6640] loop0: rw=0, sector=86440, nr_sectors = 8 limit=40427
[ 311.159176][ T7430] loop1: detected capacity change from 0 to 40427
[ 311.180223][ T7430] F2FS-fs (loop1): invalid crc value
[ 311.356733][ T7430] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 311.358014][ T7430] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 311.575917][ T37] audit: type=1800 audit(1770582343.652:100): pid=7436 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.115" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 311.657089][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 311.657118][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 311.657130][ T6649] Call Trace:
[ 311.657138][ T6649]
[ 311.657147][ T6649] dump_stack_lvl+0xe8/0x150
[ 311.657177][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 311.657210][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 311.657246][ T6649] __submit_merged_bio+0x256/0x650
[ 311.657278][ T6649] __submit_merged_write_cond+0x269/0x530
[ 311.657310][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 311.657329][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 311.657385][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 311.657453][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 311.657488][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 311.657513][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 311.657536][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 311.657580][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 311.657600][ T6649] ? reacquire_held_locks+0x104/0x190
[ 311.657621][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 311.657647][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 311.657671][ T6649] ? rt_spin_unlock+0x160/0x200
[ 311.657690][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 311.657715][ T6649] do_writepages+0x32e/0x550
[ 311.657743][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 311.657765][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 311.657795][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 311.657819][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 311.657838][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 311.657893][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 311.657921][ T6649] ? rt_spin_unlock+0x160/0x200
[ 311.657943][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 311.657978][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 311.658027][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 311.658098][ T6649] kill_f2fs_super+0x308/0x710
[ 311.658125][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 311.658169][ T6649] deactivate_locked_super+0xbc/0x130
[ 311.658192][ T6649] cleanup_mnt+0x437/0x4d0
[ 311.658212][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 311.658238][ T6649] task_work_run+0x1d9/0x270
[ 311.658265][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 311.658299][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 311.658319][ T6649] ? rcu_is_watching+0x15/0xb0
[ 311.658345][ T6649] do_syscall_64+0x2b7/0xf80
[ 311.658368][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 311.658385][ T6649] ? trace_irq_disable+0x37/0x100
[ 311.658406][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 311.658428][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 311.658446][ T6649] RIP: 0033:0x7f055071c157
[ 311.658465][ T6649] Code: a2 c7 05 3c 84 23 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
[ 311.658480][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 311.658501][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 311.658514][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 311.658527][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 311.658540][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 311.658552][ T6649] R13: 00007f05507af33b R14: 000000000004c06a R15: 00007ffd2b72d980
[ 311.658584][ T6649]
[ 311.658592][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 312.544909][ T7439] loop1: detected capacity change from 0 to 40427
[ 312.554438][ T7439] F2FS-fs (loop1): invalid crc value
[ 312.723306][ T7439] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 312.742915][ T7439] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 312.987367][ T37] audit: type=1800 audit(1770582345.062:101): pid=7444 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.116" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 313.024057][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 313.024088][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 313.024100][ T6649] Call Trace:
[ 313.024109][ T6649]
[ 313.024117][ T6649] dump_stack_lvl+0xe8/0x150
[ 313.024148][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 313.024182][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 313.024238][ T6649] __submit_merged_bio+0x256/0x650
[ 313.024272][ T6649] __submit_merged_write_cond+0x269/0x530
[ 313.024306][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 313.024324][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 313.024392][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 313.024468][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 313.024508][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 313.024533][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 313.024556][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 313.024580][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 313.024599][ T6649] ? reacquire_held_locks+0x104/0x190
[ 313.024621][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 313.024649][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 313.024674][ T6649] ? rt_spin_unlock+0x160/0x200
[ 313.024693][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 313.024714][ T6649] do_writepages+0x32e/0x550
[ 313.024738][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 313.024760][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 313.024791][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 313.024817][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 313.024836][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 313.024894][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 313.024924][ T6649] ? rt_spin_unlock+0x160/0x200
[ 313.024947][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 313.024984][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 313.025038][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 313.025118][ T6649] kill_f2fs_super+0x308/0x710
[ 313.025146][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 313.025192][ T6649] deactivate_locked_super+0xbc/0x130
[ 313.025217][ T6649] cleanup_mnt+0x437/0x4d0
[ 313.025237][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 313.025265][ T6649] task_work_run+0x1d9/0x270
[ 313.025291][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 313.025326][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 313.025353][ T6649] ? rcu_is_watching+0x15/0xb0
[ 313.025380][ T6649] do_syscall_64+0x2b7/0xf80
[ 313.025403][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 313.025421][ T6649] ? trace_irq_disable+0x37/0x100
[ 313.025442][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 313.025465][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 313.025488][ T6649] RIP: 0033:0x7f055071c157
[ 313.025507][ T6649] Code: a2 c7 05 3c 84 23 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
[ 313.025523][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 313.025547][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 313.025561][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 313.025578][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 313.025590][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 313.025603][ T6649] R13: 00007f05507af33b R14: 000000000004c5ae R15: 00007ffd2b72d980
[ 313.025637][ T6649]
[ 313.025646][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 313.917663][ T7447] loop1: detected capacity change from 0 to 40427
[ 313.936238][ T7447] F2FS-fs (loop1): invalid crc value
[ 314.142937][ T7447] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 314.144586][ T7447] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 314.386336][ T37] audit: type=1800 audit(1770582346.462:102): pid=7452 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.117" name="file1" dev="loop1" ino=10 res=0 errno=0
2026/02/08 20:25:46 executed programs: 103
[ 314.434181][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 314.434210][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 314.434222][ T6649] Call Trace:
[ 314.434231][ T6649]
[ 314.434239][ T6649] dump_stack_lvl+0xe8/0x150
[ 314.434270][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 314.434304][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 314.434343][ T6649] __submit_merged_bio+0x256/0x650
[ 314.434377][ T6649] __submit_merged_write_cond+0x269/0x530
[ 314.434410][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 314.434429][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 314.434491][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 314.434594][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 314.434635][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 314.434660][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 314.434683][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 314.434707][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 314.434728][ T6649] ? reacquire_held_locks+0x104/0x190
[ 314.434749][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 314.434778][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 314.434803][ T6649] ? rt_spin_unlock+0x160/0x200
[ 314.434821][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 314.434852][ T6649] do_writepages+0x32e/0x550
[ 314.434875][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 314.434897][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 314.434928][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 314.434961][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 314.434981][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 314.435039][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 314.435069][ T6649] ? rt_spin_unlock+0x160/0x200
[ 314.435092][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 314.435134][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 314.435188][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 314.435276][ T6649] kill_f2fs_super+0x308/0x710
[ 314.435305][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 314.435351][ T6649] deactivate_locked_super+0xbc/0x130
[ 314.435376][ T6649] cleanup_mnt+0x437/0x4d0
[ 314.435396][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 314.435424][ T6649] task_work_run+0x1d9/0x270
[ 314.435452][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 314.435486][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 314.435515][ T6649] ? rcu_is_watching+0x15/0xb0
[ 314.435541][ T6649] do_syscall_64+0x2b7/0xf80
[ 314.435565][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 314.435583][ T6649] ? trace_irq_disable+0x37/0x100
[ 314.435604][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 314.435627][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 314.435646][ T6649] RIP: 0033:0x7f055071c157
[ 314.435665][ T6649] Code: a2 c7 05 3c 84 23 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
[ 314.435682][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 314.435703][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 314.435716][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 314.435729][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 314.435742][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 314.435755][ T6649] R13: 00007f05507af33b R14: 000000000004cb5d R15: 00007ffd2b72d980
[ 314.435789][ T6649]
[ 314.435799][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 315.302324][ T7455] loop1: detected capacity change from 0 to 40427
[ 315.322812][ T7455] F2FS-fs (loop1): invalid crc value
[ 315.501623][ T7455] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 315.516476][ T7455] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 315.800008][ T37] audit: type=1800 audit(1770582347.852:103): pid=7460 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.118" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 315.836527][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 315.836556][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 315.836569][ T6649] Call Trace:
[ 315.836577][ T6649]
[ 315.836586][ T6649] dump_stack_lvl+0xe8/0x150
[ 315.836616][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 315.836649][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 315.836684][ T6649] __submit_merged_bio+0x256/0x650
[ 315.836717][ T6649] __submit_merged_write_cond+0x269/0x530
[ 315.836749][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 315.836768][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 315.836824][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 315.836891][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 315.836929][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 315.836954][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 315.836977][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 315.836999][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 315.837019][ T6649] ? reacquire_held_locks+0x104/0x190
[ 315.837041][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 315.837067][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 315.837091][ T6649] ? rt_spin_unlock+0x160/0x200
[ 315.837110][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 315.837138][ T6649] do_writepages+0x32e/0x550
[ 315.837161][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 315.837183][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 315.837213][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 315.837237][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 315.837257][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 315.837310][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 315.837338][ T6649] ? rt_spin_unlock+0x160/0x200
[ 315.837361][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 315.837395][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 315.837444][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 315.837516][ T6649] kill_f2fs_super+0x308/0x710
[ 315.837543][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 315.837586][ T6649] deactivate_locked_super+0xbc/0x130
[ 315.837609][ T6649] cleanup_mnt+0x437/0x4d0
[ 315.837630][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 315.837656][ T6649] task_work_run+0x1d9/0x270
[ 315.837682][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 315.837716][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 315.837737][ T6649] ? rcu_is_watching+0x15/0xb0
[ 315.837762][ T6649] do_syscall_64+0x2b7/0xf80
[ 315.837785][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 315.837803][ T6649] ? trace_irq_disable+0x37/0x100
[ 315.837824][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 315.837846][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 315.837864][ T6649] RIP: 0033:0x7f055071c157
[ 315.837882][ T6649] Code: a2 c7 05 3c 84 23 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
[ 315.837898][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 315.837919][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 315.837933][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 315.837945][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 315.837959][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 315.837971][ T6649] R13: 00007f05507af33b R14: 000000000004d071 R15: 00007ffd2b72d980
[ 315.838003][ T6649]
[ 315.838010][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 315.856490][ T6640] bio_check_eod: 30180 callbacks suppressed
[ 315.856507][ T6640] syz.0.21: attempt to access beyond end of device
[ 315.856507][ T6640] loop0: rw=524288, sector=88248, nr_sectors = 8 limit=40427
[ 315.856621][ T6640] syz.0.21: attempt to access beyond end of device
[ 315.856621][ T6640] loop0: rw=524288, sector=88256, nr_sectors = 8 limit=40427
[ 315.856731][ T6640] syz.0.21: attempt to access beyond end of device
[ 315.856731][ T6640] loop0: rw=524288, sector=88264, nr_sectors = 8 limit=40427
[ 315.856841][ T6640] syz.0.21: attempt to access beyond end of device
[ 315.856841][ T6640] loop0: rw=524288, sector=88272, nr_sectors = 8 limit=40427
[ 315.856950][ T6640] syz.0.21: attempt to access beyond end of device
[ 315.856950][ T6640] loop0: rw=524288, sector=88280, nr_sectors = 8 limit=40427
[ 315.857057][ T6640] syz.0.21: attempt to access beyond end of device
[ 315.857057][ T6640] loop0: rw=524288, sector=88288, nr_sectors = 8 limit=40427
[ 315.857174][ T6640] syz.0.21: attempt to access beyond end of device
[ 315.857174][ T6640] loop0: rw=524288, sector=88296, nr_sectors = 8 limit=40427
[ 315.857284][ T6640] syz.0.21: attempt to access beyond end of device
[ 315.857284][ T6640] loop0: rw=524288, sector=88304, nr_sectors = 8 limit=40427
[ 315.857391][ T6640] syz.0.21: attempt to access beyond end of device
[ 315.857391][ T6640] loop0: rw=524288, sector=88312, nr_sectors = 8 limit=40427
[ 315.857500][ T6640] syz.0.21: attempt to access beyond end of device
[ 315.857500][ T6640] loop0: rw=524288, sector=88320, nr_sectors = 8 limit=40427
[ 316.749620][ T7463] loop1: detected capacity change from 0 to 40427
[ 316.781399][ T7463] F2FS-fs (loop1): invalid crc value
[ 316.975627][ T7463] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 316.984768][ T7463] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 317.149149][ T1321] ieee802154 phy0 wpan0: encryption failed: -22
[ 317.149215][ T1321] ieee802154 phy1 wpan1: encryption failed: -22
[ 317.222161][ T37] audit: type=1800 audit(1770582349.292:104): pid=7468 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.119" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 317.264139][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 317.264168][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 317.264181][ T6649] Call Trace:
[ 317.264189][ T6649]
[ 317.264198][ T6649] dump_stack_lvl+0xe8/0x150
[ 317.264228][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 317.264262][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 317.264311][ T6649] __submit_merged_bio+0x256/0x650
[ 317.264345][ T6649] __submit_merged_write_cond+0x269/0x530
[ 317.264378][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 317.264398][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 317.264458][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 317.264534][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 317.264574][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 317.264599][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 317.264622][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 317.264644][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 317.264664][ T6649] ? reacquire_held_locks+0x104/0x190
[ 317.264686][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 317.264714][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 317.264739][ T6649] ? rt_spin_unlock+0x160/0x200
[ 317.264757][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 317.264779][ T6649] do_writepages+0x32e/0x550
[ 317.264802][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 317.264824][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 317.264855][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 317.264881][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 317.264900][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 317.264960][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 317.264990][ T6649] ? rt_spin_unlock+0x160/0x200
[ 317.265012][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 317.265049][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 317.265103][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 317.265183][ T6649] kill_f2fs_super+0x308/0x710
[ 317.265211][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 317.265257][ T6649] deactivate_locked_super+0xbc/0x130
[ 317.265286][ T6649] cleanup_mnt+0x437/0x4d0
[ 317.265307][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 317.265334][ T6649] task_work_run+0x1d9/0x270
[ 317.265360][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 317.265395][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 317.265416][ T6649] ? rcu_is_watching+0x15/0xb0
[ 317.265444][ T6649] do_syscall_64+0x2b7/0xf80
[ 317.265466][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 317.265484][ T6649] ? trace_irq_disable+0x37/0x100
[ 317.265505][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 317.265528][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 317.265546][ T6649] RIP: 0033:0x7f055071c157
[ 317.265564][ T6649] Code: a2 c7 05 3c 84 23 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
[ 317.265581][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 317.265601][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 317.265615][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 317.265627][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 317.265641][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 317.265653][ T6649] R13: 00007f05507af33b R14: 000000000004d670 R15: 00007ffd2b72d980
[ 317.265687][ T6649]
[ 317.265696][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 318.142857][ T7471] loop1: detected capacity change from 0 to 40427
[ 318.175024][ T7471] F2FS-fs (loop1): invalid crc value
[ 318.353635][ T7471] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 318.355209][ T7471] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 318.593322][ T37] audit: type=1800 audit(1770582350.672:105): pid=7476 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.120" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 318.646071][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 318.646101][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 318.646113][ T6649] Call Trace:
[ 318.646121][ T6649]
[ 318.646130][ T6649] dump_stack_lvl+0xe8/0x150
[ 318.646160][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 318.646194][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 318.646232][ T6649] __submit_merged_bio+0x256/0x650
[ 318.646266][ T6649] __submit_merged_write_cond+0x269/0x530
[ 318.646300][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 318.646319][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 318.646379][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 318.646455][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 318.646495][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 318.646520][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 318.646543][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 318.646567][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 318.646587][ T6649] ? reacquire_held_locks+0x104/0x190
[ 318.646608][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 318.646636][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 318.646662][ T6649] ? rt_spin_unlock+0x160/0x200
[ 318.646680][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 318.646701][ T6649] do_writepages+0x32e/0x550
[ 318.646724][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 318.646747][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 318.646777][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 318.646803][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 318.646823][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 318.646881][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 318.646915][ T6649] ? rt_spin_unlock+0x160/0x200
[ 318.646938][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 318.646976][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 318.647029][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 318.647109][ T6649] kill_f2fs_super+0x308/0x710
[ 318.647137][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 318.647183][ T6649] deactivate_locked_super+0xbc/0x130
[ 318.647208][ T6649] cleanup_mnt+0x437/0x4d0
[ 318.647228][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 318.647254][ T6649] task_work_run+0x1d9/0x270
[ 318.647281][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 318.647316][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 318.647338][ T6649] ? rcu_is_watching+0x15/0xb0
[ 318.647364][ T6649] do_syscall_64+0x2b7/0xf80
[ 318.647387][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 318.647404][ T6649] ? trace_irq_disable+0x37/0x100
[ 318.647426][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 318.647448][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 318.647467][ T6649] RIP: 0033:0x7f055071c157
[ 318.647485][ T6649] Code: a2 c7 05 3c 84 23 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
[ 318.647502][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 318.647522][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 318.647536][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 318.647549][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 318.647563][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 318.647575][ T6649] R13: 00007f05507af33b R14: 000000000004dbcd R15: 00007ffd2b72d980
[ 318.647609][ T6649]
[ 318.647617][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 319.456834][ T7479] loop1: detected capacity change from 0 to 40427
[ 319.482804][ T7479] F2FS-fs (loop1): invalid crc value
[ 319.678715][ T7479] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 319.680214][ T7479] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 319.920690][ T37] audit: type=1800 audit(1770582351.992:106): pid=7484 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.121" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 319.953978][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
2026/02/08 20:25:52 executed programs: 107
[ 319.954007][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 319.954019][ T6649] Call Trace:
[ 319.954028][ T6649]
[ 319.954036][ T6649] dump_stack_lvl+0xe8/0x150
[ 319.954067][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 319.954102][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 319.954140][ T6649] __submit_merged_bio+0x256/0x650
[ 319.954182][ T6649] __submit_merged_write_cond+0x269/0x530
[ 319.954216][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 319.954235][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 319.954294][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 319.954369][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 319.954409][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 319.954435][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 319.954458][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 319.954482][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 319.954502][ T6649] ? reacquire_held_locks+0x104/0x190
[ 319.954524][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 319.954552][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 319.954577][ T6649] ? rt_spin_unlock+0x160/0x200
[ 319.954596][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 319.954617][ T6649] do_writepages+0x32e/0x550
[ 319.954641][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 319.954663][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 319.954694][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 319.954720][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 319.954739][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 319.954798][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 319.954828][ T6649] ? rt_spin_unlock+0x160/0x200
[ 319.954852][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 319.954889][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 319.954943][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 319.955022][ T6649] kill_f2fs_super+0x308/0x710
[ 319.955050][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 319.955096][ T6649] deactivate_locked_super+0xbc/0x130
[ 319.955120][ T6649] cleanup_mnt+0x437/0x4d0
[ 319.955141][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 319.955174][ T6649] task_work_run+0x1d9/0x270
[ 319.955201][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 319.955236][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 319.955258][ T6649] ? rcu_is_watching+0x15/0xb0
[ 319.955285][ T6649] do_syscall_64+0x2b7/0xf80
[ 319.955307][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 319.955325][ T6649] ? trace_irq_disable+0x37/0x100
[ 319.955347][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 319.955371][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 319.955389][ T6649] RIP: 0033:0x7f055071c157
[ 319.955408][ T6649] Code: a2 c7 05 3c 84 23 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
[ 319.955425][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 319.955445][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 319.955459][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 319.955471][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 319.955485][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 319.955498][ T6649] R13: 00007f05507af33b R14: 000000000004e0fe R15: 00007ffd2b72d980
[ 319.955532][ T6649]
[ 319.955540][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 320.857168][ T7487] loop1: detected capacity change from 0 to 40427
[ 320.869676][ T6640] bio_check_eod: 28605 callbacks suppressed
[ 320.869694][ T6640] syz.0.21: attempt to access beyond end of device
[ 320.869694][ T6640] loop0: rw=524288, sector=89320, nr_sectors = 8 limit=40427
[ 320.869833][ T6640] syz.0.21: attempt to access beyond end of device
[ 320.869833][ T6640] loop0: rw=524288, sector=89328, nr_sectors = 8 limit=40427
[ 320.869957][ T6640] syz.0.21: attempt to access beyond end of device
[ 320.869957][ T6640] loop0: rw=524288, sector=89336, nr_sectors = 8 limit=40427
[ 320.870083][ T6640] syz.0.21: attempt to access beyond end of device
[ 320.870083][ T6640] loop0: rw=524288, sector=89344, nr_sectors = 8 limit=40427
[ 320.870201][ T6640] syz.0.21: attempt to access beyond end of device
[ 320.870201][ T6640] loop0: rw=524288, sector=89352, nr_sectors = 8 limit=40427
[ 320.870319][ T6640] syz.0.21: attempt to access beyond end of device
[ 320.870319][ T6640] loop0: rw=524288, sector=89360, nr_sectors = 8 limit=40427
[ 320.870322][ T7487] F2FS-fs (loop1): invalid crc value
[ 320.870434][ T6640] syz.0.21: attempt to access beyond end of device
[ 320.870434][ T6640] loop0: rw=524288, sector=89368, nr_sectors = 8 limit=40427
[ 320.870544][ T6640] syz.0.21: attempt to access beyond end of device
[ 320.870544][ T6640] loop0: rw=524288, sector=89376, nr_sectors = 8 limit=40427
[ 320.870656][ T6640] syz.0.21: attempt to access beyond end of device
[ 320.870656][ T6640] loop0: rw=524288, sector=89384, nr_sectors = 8 limit=40427
[ 320.870778][ T6640] syz.0.21: attempt to access beyond end of device
[ 320.870778][ T6640] loop0: rw=524288, sector=89392, nr_sectors = 8 limit=40427
[ 321.092806][ T7487] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 321.101962][ T7487] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 321.342934][ T37] audit: type=1800 audit(1770582353.412:107): pid=7492 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.122" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 321.394410][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 321.394440][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 321.394452][ T6649] Call Trace:
[ 321.394460][ T6649]
[ 321.394469][ T6649] dump_stack_lvl+0xe8/0x150
[ 321.394501][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 321.394533][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 321.394569][ T6649] __submit_merged_bio+0x256/0x650
[ 321.394601][ T6649] __submit_merged_write_cond+0x269/0x530
[ 321.394633][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 321.394652][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 321.394706][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 321.394774][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 321.394812][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 321.394836][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 321.394858][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 321.394881][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 321.394901][ T6649] ? reacquire_held_locks+0x104/0x190
[ 321.394922][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 321.394956][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 321.394980][ T6649] ? rt_spin_unlock+0x160/0x200
[ 321.394999][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 321.395020][ T6649] do_writepages+0x32e/0x550
[ 321.395042][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 321.395064][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 321.395093][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 321.395118][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 321.395137][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 321.395191][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 321.395219][ T6649] ? rt_spin_unlock+0x160/0x200
[ 321.395242][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 321.395277][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 321.395326][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 321.395399][ T6649] kill_f2fs_super+0x308/0x710
[ 321.395426][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 321.395467][ T6649] deactivate_locked_super+0xbc/0x130
[ 321.395491][ T6649] cleanup_mnt+0x437/0x4d0
[ 321.395511][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 321.395537][ T6649] task_work_run+0x1d9/0x270
[ 321.395563][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 321.395596][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 321.395617][ T6649] ? rcu_is_watching+0x15/0xb0
[ 321.395643][ T6649] do_syscall_64+0x2b7/0xf80
[ 321.395666][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 321.395684][ T6649] ? trace_irq_disable+0x37/0x100
[ 321.395705][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 321.395727][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 321.395745][ T6649] RIP: 0033:0x7f055071c157
[ 321.395763][ T6649] Code: a2 c7 05 3c 84 23 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
[ 321.395779][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 321.395800][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 321.395814][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 321.395826][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 321.395839][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 321.395852][ T6649] R13: 00007f05507af33b R14: 000000000004e692 R15: 00007ffd2b72d980
[ 321.395883][ T6649]
[ 321.395891][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 322.105246][ T7495] loop1: detected capacity change from 0 to 40427
[ 322.122242][ T7495] F2FS-fs (loop1): invalid crc value
[ 322.290981][ T7495] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 322.292414][ T7495] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 322.501507][ T37] audit: type=1800 audit(1770582354.572:108): pid=7500 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.123" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 322.556329][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 322.556359][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 322.556370][ T6649] Call Trace:
[ 322.556378][ T6649]
[ 322.556388][ T6649] dump_stack_lvl+0xe8/0x150
[ 322.556419][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 322.556453][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 322.556491][ T6649] __submit_merged_bio+0x256/0x650
[ 322.556525][ T6649] __submit_merged_write_cond+0x269/0x530
[ 322.556559][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 322.556578][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 322.556638][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 322.556707][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 322.556731][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 322.556774][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 322.556813][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 322.556839][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 322.556868][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 322.556892][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 322.556914][ T6649] do_writepages+0x32e/0x550
[ 322.556937][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 322.556959][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 322.556989][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 322.557015][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 322.557034][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 322.557094][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 322.557123][ T6649] ? rt_spin_unlock+0x160/0x200
[ 322.557147][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 322.557184][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 322.557238][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 322.557319][ T6649] kill_f2fs_super+0x308/0x710
[ 322.557347][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 322.557394][ T6649] deactivate_locked_super+0xbc/0x130
[ 322.557419][ T6649] cleanup_mnt+0x437/0x4d0
[ 322.557448][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 322.557475][ T6649] task_work_run+0x1d9/0x270
[ 322.557502][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 322.557537][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 322.557559][ T6649] ? rcu_is_watching+0x15/0xb0
[ 322.557586][ T6649] do_syscall_64+0x2b7/0xf80
[ 322.557609][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 322.557626][ T6649] ? trace_irq_disable+0x37/0x100
[ 322.557647][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 322.557670][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 322.557689][ T6649] RIP: 0033:0x7f055071c157
[ 322.557707][ T6649] Code: a2 c7 05 3c 84 23 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
[ 322.557723][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 322.557744][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 322.557758][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 322.557770][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 322.557784][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 322.557796][ T6649] R13: 00007f05507af33b R14: 000000000004eadf R15: 00007ffd2b72d980
[ 322.557830][ T6649]
[ 322.557845][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 323.411495][ T7503] loop1: detected capacity change from 0 to 40427
[ 323.433396][ T7503] F2FS-fs (loop1): invalid crc value
[ 323.621130][ T7503] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 323.622386][ T7503] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 323.827671][ T37] audit: type=1800 audit(1770582355.902:109): pid=7508 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.124" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 323.886636][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 323.886664][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 323.886676][ T6649] Call Trace:
[ 323.886685][ T6649]
[ 323.886694][ T6649] dump_stack_lvl+0xe8/0x150
[ 323.886725][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 323.886758][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 323.886796][ T6649] __submit_merged_bio+0x256/0x650
[ 323.886830][ T6649] __submit_merged_write_cond+0x269/0x530
[ 323.886863][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 323.886882][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 323.886943][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 323.887017][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 323.887057][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 323.887082][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 323.887106][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 323.887129][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 323.887149][ T6649] ? reacquire_held_locks+0x104/0x190
[ 323.887171][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 323.887199][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 323.887224][ T6649] ? rt_spin_unlock+0x160/0x200
[ 323.887242][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 323.887264][ T6649] do_writepages+0x32e/0x550
[ 323.887286][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 323.887309][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 323.887340][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 323.887365][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 323.887384][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 323.887443][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 323.887473][ T6649] ? rt_spin_unlock+0x160/0x200
[ 323.887502][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 323.887539][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 323.887593][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 323.887672][ T6649] kill_f2fs_super+0x308/0x710
[ 323.887701][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 323.887747][ T6649] deactivate_locked_super+0xbc/0x130
[ 323.887770][ T6649] cleanup_mnt+0x437/0x4d0
[ 323.887791][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 323.887818][ T6649] task_work_run+0x1d9/0x270
[ 323.887845][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 323.887880][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 323.887901][ T6649] ? rcu_is_watching+0x15/0xb0
[ 323.887927][ T6649] do_syscall_64+0x2b7/0xf80
[ 323.887950][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 323.887968][ T6649] ? trace_irq_disable+0x37/0x100
[ 323.887990][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 323.888013][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 323.888031][ T6649] RIP: 0033:0x7f055071c157
[ 323.888049][ T6649] Code: a2 c7 05 3c 84 23 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
[ 323.888066][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 323.888086][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 323.888100][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 323.888112][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 323.888125][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 323.888138][ T6649] R13: 00007f05507af33b R14: 000000000004f044 R15: 00007ffd2b72d980
[ 323.888172][ T6649]
[ 323.888181][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 324.745872][ T7511] loop1: detected capacity change from 0 to 40427
[ 324.760531][ T7511] F2FS-fs (loop1): invalid crc value
[ 324.879709][ T7511] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 324.898068][ T7511] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 325.131900][ T37] audit: type=1800 audit(1770582357.202:110): pid=7516 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.125" name="file1" dev="loop1" ino=10 res=0 errno=0
2026/02/08 20:25:57 executed programs: 111
[ 325.193963][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 325.193992][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 325.194004][ T6649] Call Trace:
[ 325.194012][ T6649]
[ 325.194021][ T6649] dump_stack_lvl+0xe8/0x150
[ 325.194051][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 325.194084][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 325.194120][ T6649] __submit_merged_bio+0x256/0x650
[ 325.194152][ T6649] __submit_merged_write_cond+0x269/0x530
[ 325.194185][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 325.194203][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 325.194260][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 325.194327][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 325.194365][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 325.194391][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 325.194413][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 325.194436][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 325.194456][ T6649] ? reacquire_held_locks+0x104/0x190
[ 325.194478][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 325.194505][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 325.194529][ T6649] ? rt_spin_unlock+0x160/0x200
[ 325.194547][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 325.194569][ T6649] do_writepages+0x32e/0x550
[ 325.194591][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 325.194613][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 325.194642][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 325.194674][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 325.194693][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 325.194747][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 325.194775][ T6649] ? rt_spin_unlock+0x160/0x200
[ 325.194797][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 325.194833][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 325.194881][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 325.194952][ T6649] kill_f2fs_super+0x308/0x710
[ 325.194979][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 325.195022][ T6649] deactivate_locked_super+0xbc/0x130
[ 325.195046][ T6649] cleanup_mnt+0x437/0x4d0
[ 325.195066][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 325.195092][ T6649] task_work_run+0x1d9/0x270
[ 325.195119][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 325.195152][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 325.195174][ T6649] ? rcu_is_watching+0x15/0xb0
[ 325.195200][ T6649] do_syscall_64+0x2b7/0xf80
[ 325.195223][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 325.195240][ T6649] ? trace_irq_disable+0x37/0x100
[ 325.195261][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 325.195284][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 325.195302][ T6649] RIP: 0033:0x7f055071c157
[ 325.195320][ T6649] Code: a2 c7 05 3c 84 23 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
[ 325.195337][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 325.195357][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 325.195371][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 325.195384][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 325.195397][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 325.195409][ T6649] R13: 00007f05507af33b R14: 000000000004f55a R15: 00007ffd2b72d980
[ 325.195440][ T6649]
[ 325.195449][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 325.873148][ T6640] bio_check_eod: 29264 callbacks suppressed
[ 325.873169][ T6640] syz.0.21: attempt to access beyond end of device
[ 325.873169][ T6640] loop0: rw=524288, sector=87800, nr_sectors = 8 limit=40427
[ 325.873289][ T6640] syz.0.21: attempt to access beyond end of device
[ 325.873289][ T6640] loop0: rw=524288, sector=87808, nr_sectors = 8 limit=40427
[ 325.873433][ T6640] syz.0.21: attempt to access beyond end of device
[ 325.873433][ T6640] loop0: rw=524288, sector=87816, nr_sectors = 8 limit=40427
[ 325.873551][ T6640] syz.0.21: attempt to access beyond end of device
[ 325.873551][ T6640] loop0: rw=524288, sector=87824, nr_sectors = 8 limit=40427
[ 325.873676][ T6640] syz.0.21: attempt to access beyond end of device
[ 325.873676][ T6640] loop0: rw=524288, sector=87832, nr_sectors = 8 limit=40427
[ 325.873794][ T6640] syz.0.21: attempt to access beyond end of device
[ 325.873794][ T6640] loop0: rw=524288, sector=87840, nr_sectors = 8 limit=40427
[ 325.873911][ T6640] syz.0.21: attempt to access beyond end of device
[ 325.873911][ T6640] loop0: rw=524288, sector=87848, nr_sectors = 8 limit=40427
[ 325.874053][ T6640] syz.0.21: attempt to access beyond end of device
[ 325.874053][ T6640] loop0: rw=524288, sector=87856, nr_sectors = 8 limit=40427
[ 325.874170][ T6640] syz.0.21: attempt to access beyond end of device
[ 325.874170][ T6640] loop0: rw=524288, sector=87864, nr_sectors = 8 limit=40427
[ 325.874287][ T6640] syz.0.21: attempt to access beyond end of device
[ 325.874287][ T6640] loop0: rw=524288, sector=87872, nr_sectors = 8 limit=40427
[ 326.138326][ T7519] loop1: detected capacity change from 0 to 40427
[ 326.162551][ T7519] F2FS-fs (loop1): invalid crc value
[ 326.337688][ T7519] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 326.340226][ T7519] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 326.623199][ T37] audit: type=1800 audit(1770582358.692:111): pid=7524 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.126" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 326.664094][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 326.664124][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 326.664136][ T6649] Call Trace:
[ 326.664145][ T6649]
[ 326.664153][ T6649] dump_stack_lvl+0xe8/0x150
[ 326.664185][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 326.664219][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 326.664258][ T6649] __submit_merged_bio+0x256/0x650
[ 326.664291][ T6649] __submit_merged_write_cond+0x269/0x530
[ 326.664324][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 326.664343][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 326.664404][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 326.664479][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 326.664519][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 326.664569][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 326.664593][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 326.664616][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 326.664636][ T6649] ? reacquire_held_locks+0x104/0x190
[ 326.664657][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 326.664685][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 326.664709][ T6649] ? rt_spin_unlock+0x160/0x200
[ 326.664728][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 326.664749][ T6649] do_writepages+0x32e/0x550
[ 326.664772][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 326.664795][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 326.664826][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 326.664852][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 326.664871][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 326.664930][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 326.664960][ T6649] ? rt_spin_unlock+0x160/0x200
[ 326.664983][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 326.665021][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 326.665075][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 326.665155][ T6649] kill_f2fs_super+0x308/0x710
[ 326.665183][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 326.665229][ T6649] deactivate_locked_super+0xbc/0x130
[ 326.665253][ T6649] cleanup_mnt+0x437/0x4d0
[ 326.665273][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 326.665300][ T6649] task_work_run+0x1d9/0x270
[ 326.665326][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 326.665361][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 326.665383][ T6649] ? rcu_is_watching+0x15/0xb0
[ 326.665410][ T6649] do_syscall_64+0x2b7/0xf80
[ 326.665433][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 326.665451][ T6649] ? trace_irq_disable+0x37/0x100
[ 326.665472][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 326.665496][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 326.665514][ T6649] RIP: 0033:0x7f055071c157
[ 326.665533][ T6649] Code: a2 c7 05 3c 84 23 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
[ 326.665555][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 326.665576][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 326.665590][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 326.665601][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 326.665615][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 326.665628][ T6649] R13: 00007f05507af33b R14: 000000000004fac4 R15: 00007ffd2b72d980
[ 326.665663][ T6649]
[ 326.665671][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 327.470534][ T7527] loop1: detected capacity change from 0 to 40427
[ 327.486145][ T7527] F2FS-fs (loop1): invalid crc value
[ 327.710115][ T7527] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 327.733132][ T7527] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 327.952668][ T37] audit: type=1800 audit(1770582360.022:112): pid=7532 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.127" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 328.014510][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 328.014540][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 328.014552][ T6649] Call Trace:
[ 328.014560][ T6649]
[ 328.014569][ T6649] dump_stack_lvl+0xe8/0x150
[ 328.014601][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 328.014634][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 328.014673][ T6649] __submit_merged_bio+0x256/0x650
[ 328.014706][ T6649] __submit_merged_write_cond+0x269/0x530
[ 328.014740][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 328.014758][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 328.014819][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 328.014894][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 328.014934][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 328.014959][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 328.014982][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 328.015005][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 328.015025][ T6649] ? reacquire_held_locks+0x104/0x190
[ 328.015046][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 328.015075][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 328.015100][ T6649] ? rt_spin_unlock+0x160/0x200
[ 328.015118][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 328.015140][ T6649] do_writepages+0x32e/0x550
[ 328.015163][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 328.015185][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 328.015216][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 328.015242][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 328.015268][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 328.015327][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 328.015357][ T6649] ? rt_spin_unlock+0x160/0x200
[ 328.015379][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 328.015416][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 328.015470][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 328.015549][ T6649] kill_f2fs_super+0x308/0x710
[ 328.015577][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 328.015623][ T6649] deactivate_locked_super+0xbc/0x130
[ 328.015648][ T6649] cleanup_mnt+0x437/0x4d0
[ 328.015668][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 328.015695][ T6649] task_work_run+0x1d9/0x270
[ 328.015723][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 328.015758][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 328.015780][ T6649] ? rcu_is_watching+0x15/0xb0
[ 328.015806][ T6649] do_syscall_64+0x2b7/0xf80
[ 328.015829][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 328.015847][ T6649] ? trace_irq_disable+0x37/0x100
[ 328.015868][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 328.015891][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 328.015910][ T6649] RIP: 0033:0x7f055071c157
[ 328.015928][ T6649] Code: a2 c7 05 3c 84 23 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
[ 328.015945][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 328.015966][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 328.015980][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 328.015992][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 328.016005][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 328.016018][ T6649] R13: 00007f05507af33b R14: 0000000000050065 R15: 00007ffd2b72d980
[ 328.016052][ T6649]
[ 328.016060][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 329.105998][ T7535] loop1: detected capacity change from 0 to 40427
[ 329.138178][ T7535] F2FS-fs (loop1): invalid crc value
[ 329.282017][ T7535] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 329.289615][ T7535] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 329.490510][ T37] audit: type=1800 audit(1770582361.562:113): pid=7540 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.128" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 329.524089][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 329.524119][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 329.524131][ T6649] Call Trace:
[ 329.524140][ T6649]
[ 329.524149][ T6649] dump_stack_lvl+0xe8/0x150
[ 329.524180][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 329.524214][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 329.524253][ T6649] __submit_merged_bio+0x256/0x650
[ 329.524286][ T6649] __submit_merged_write_cond+0x269/0x530
[ 329.524319][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 329.524338][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 329.524398][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 329.524474][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 329.524513][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 329.524537][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 329.524561][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 329.524584][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 329.524605][ T6649] ? reacquire_held_locks+0x104/0x190
[ 329.524627][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 329.524654][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 329.524679][ T6649] ? rt_spin_unlock+0x160/0x200
[ 329.524698][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 329.524719][ T6649] do_writepages+0x32e/0x550
[ 329.524743][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 329.524765][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 329.524796][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 329.524819][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 329.524838][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 329.524897][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 329.524927][ T6649] ? rt_spin_unlock+0x160/0x200
[ 329.524950][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 329.524987][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 329.525041][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 329.525128][ T6649] kill_f2fs_super+0x308/0x710
[ 329.525157][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 329.525203][ T6649] deactivate_locked_super+0xbc/0x130
[ 329.525228][ T6649] cleanup_mnt+0x437/0x4d0
[ 329.525248][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 329.525275][ T6649] task_work_run+0x1d9/0x270
[ 329.525301][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 329.525336][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 329.525358][ T6649] ? rcu_is_watching+0x15/0xb0
[ 329.525385][ T6649] do_syscall_64+0x2b7/0xf80
[ 329.525408][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 329.525426][ T6649] ? trace_irq_disable+0x37/0x100
[ 329.525447][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 329.525471][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 329.525489][ T6649] RIP: 0033:0x7f055071c157
[ 329.525509][ T6649] Code: a2 c7 05 3c 84 23 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
[ 329.525525][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 329.525545][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 329.525559][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 329.525571][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 329.525585][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 329.525598][ T6649] R13: 00007f05507af33b R14: 0000000000050638 R15: 00007ffd2b72d980
[ 329.525632][ T6649]
[ 329.525640][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 330.360295][ T7543] loop1: detected capacity change from 0 to 40427
[ 330.395944][ T7543] F2FS-fs (loop1): invalid crc value
[ 330.543820][ T7543] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 330.545191][ T7543] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 330.752863][ T37] audit: type=1800 audit(1770582362.822:114): pid=7548 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.129" name="file1" dev="loop1" ino=10 res=0 errno=0
2026/02/08 20:26:02 executed programs: 115
[ 330.816865][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 330.816896][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 330.816908][ T6649] Call Trace:
[ 330.816917][ T6649]
[ 330.816925][ T6649] dump_stack_lvl+0xe8/0x150
[ 330.816966][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 330.816999][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 330.817035][ T6649] __submit_merged_bio+0x256/0x650
[ 330.817068][ T6649] __submit_merged_write_cond+0x269/0x530
[ 330.817100][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 330.817119][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 330.817175][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 330.817241][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 330.817278][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 330.817303][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 330.817327][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 330.817350][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 330.817370][ T6649] ? reacquire_held_locks+0x104/0x190
[ 330.817389][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 330.817416][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 330.817440][ T6649] ? rt_spin_unlock+0x160/0x200
[ 330.817458][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 330.817478][ T6649] do_writepages+0x32e/0x550
[ 330.817500][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 330.817522][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 330.817551][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 330.817575][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 330.817594][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 330.817648][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 330.817676][ T6649] ? rt_spin_unlock+0x160/0x200
[ 330.817698][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 330.817733][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 330.817782][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 330.817853][ T6649] kill_f2fs_super+0x308/0x710
[ 330.817880][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 330.817922][ T6649] deactivate_locked_super+0xbc/0x130
[ 330.817953][ T6649] cleanup_mnt+0x437/0x4d0
[ 330.817974][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 330.818000][ T6649] task_work_run+0x1d9/0x270
[ 330.818028][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 330.818060][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 330.818082][ T6649] ? rcu_is_watching+0x15/0xb0
[ 330.818108][ T6649] do_syscall_64+0x2b7/0xf80
[ 330.818132][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 330.818149][ T6649] ? trace_irq_disable+0x37/0x100
[ 330.818171][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 330.818289][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 330.818319][ T6649] RIP: 0033:0x7f055071c157
[ 330.818346][ T6649] Code: a2 c7 05 3c 84 23 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
[ 330.818363][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 330.818383][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 330.818397][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 330.818409][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 330.818423][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 330.818434][ T6649] R13: 00007f05507af33b R14: 0000000000050b5d R15: 00007ffd2b72d980
[ 330.818466][ T6649]
[ 330.818481][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 330.893219][ T6640] bio_check_eod: 30704 callbacks suppressed
[ 330.893237][ T6640] syz.0.21: attempt to access beyond end of device
[ 330.893237][ T6640] loop0: rw=0, sector=86016, nr_sectors = 8 limit=40427
[ 330.893365][ T6640] syz.0.21: attempt to access beyond end of device
[ 330.893365][ T6640] loop0: rw=0, sector=86024, nr_sectors = 8 limit=40427
[ 330.893478][ T6640] syz.0.21: attempt to access beyond end of device
[ 330.893478][ T6640] loop0: rw=0, sector=86032, nr_sectors = 8 limit=40427
[ 330.893591][ T6640] syz.0.21: attempt to access beyond end of device
[ 330.893591][ T6640] loop0: rw=0, sector=86040, nr_sectors = 8 limit=40427
[ 330.893704][ T6640] syz.0.21: attempt to access beyond end of device
[ 330.893704][ T6640] loop0: rw=0, sector=86048, nr_sectors = 8 limit=40427
[ 330.893816][ T6640] syz.0.21: attempt to access beyond end of device
[ 330.893816][ T6640] loop0: rw=0, sector=86056, nr_sectors = 8 limit=40427
[ 330.893928][ T6640] syz.0.21: attempt to access beyond end of device
[ 330.893928][ T6640] loop0: rw=0, sector=86064, nr_sectors = 8 limit=40427
[ 330.894051][ T6640] syz.0.21: attempt to access beyond end of device
[ 330.894051][ T6640] loop0: rw=0, sector=86072, nr_sectors = 8 limit=40427
[ 330.894163][ T6640] syz.0.21: attempt to access beyond end of device
[ 330.894163][ T6640] loop0: rw=0, sector=86080, nr_sectors = 8 limit=40427
[ 330.894270][ T6640] syz.0.21: attempt to access beyond end of device
[ 330.894270][ T6640] loop0: rw=0, sector=86088, nr_sectors = 8 limit=40427
[ 331.751015][ T7551] loop1: detected capacity change from 0 to 40427
[ 331.779062][ T7551] F2FS-fs (loop1): invalid crc value
[ 331.984718][ T7551] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 331.987865][ T7551] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 332.206493][ T37] audit: type=1800 audit(1770582364.282:115): pid=7556 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.130" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 332.254070][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 332.254099][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 332.254111][ T6649] Call Trace:
[ 332.254120][ T6649]
[ 332.254128][ T6649] dump_stack_lvl+0xe8/0x150
[ 332.254158][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 332.254191][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 332.254227][ T6649] __submit_merged_bio+0x256/0x650
[ 332.254259][ T6649] __submit_merged_write_cond+0x269/0x530
[ 332.254291][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 332.254310][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 332.254365][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 332.254432][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 332.254470][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 332.254495][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 332.254519][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 332.254542][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 332.254562][ T6649] ? reacquire_held_locks+0x104/0x190
[ 332.254583][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 332.254610][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 332.254634][ T6649] ? rt_spin_unlock+0x160/0x200
[ 332.254653][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 332.254674][ T6649] do_writepages+0x32e/0x550
[ 332.254696][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 332.254718][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 332.254747][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 332.254772][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 332.254791][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 332.254843][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 332.254872][ T6649] ? rt_spin_unlock+0x160/0x200
[ 332.254900][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 332.254935][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 332.254983][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 332.255055][ T6649] kill_f2fs_super+0x308/0x710
[ 332.255082][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 332.255124][ T6649] deactivate_locked_super+0xbc/0x130
[ 332.255148][ T6649] cleanup_mnt+0x437/0x4d0
[ 332.255168][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 332.255194][ T6649] task_work_run+0x1d9/0x270
[ 332.255220][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 332.255253][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 332.255274][ T6649] ? rcu_is_watching+0x15/0xb0
[ 332.255300][ T6649] do_syscall_64+0x2b7/0xf80
[ 332.255322][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 332.255340][ T6649] ? trace_irq_disable+0x37/0x100
[ 332.255361][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 332.255383][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 332.255402][ T6649] RIP: 0033:0x7f055071c157
[ 332.255421][ T6649] Code: a2 c7 05 3c 84 23 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
[ 332.255437][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 332.255458][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 332.255471][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 332.255483][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 332.255497][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 332.255509][ T6649] R13: 00007f05507af33b R14: 00000000000510fa R15: 00007ffd2b72d980
[ 332.255541][ T6649]
[ 332.255549][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 333.112244][ T7559] loop1: detected capacity change from 0 to 40427
[ 333.147657][ T7559] F2FS-fs (loop1): invalid crc value
[ 333.296162][ T7559] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 333.322601][ T7559] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 333.546218][ T37] audit: type=1800 audit(1770582365.622:116): pid=7564 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.131" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 333.614100][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 333.614130][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 333.614142][ T6649] Call Trace:
[ 333.614150][ T6649]
[ 333.614159][ T6649] dump_stack_lvl+0xe8/0x150
[ 333.614190][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 333.614224][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 333.614262][ T6649] __submit_merged_bio+0x256/0x650
[ 333.614296][ T6649] __submit_merged_write_cond+0x269/0x530
[ 333.614330][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 333.614348][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 333.614409][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 333.614483][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 333.614523][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 333.614548][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 333.614571][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 333.614595][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 333.614615][ T6649] ? reacquire_held_locks+0x104/0x190
[ 333.614637][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 333.614665][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 333.614690][ T6649] ? rt_spin_unlock+0x160/0x200
[ 333.614709][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 333.614731][ T6649] do_writepages+0x32e/0x550
[ 333.614754][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 333.614777][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 333.614815][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 333.614841][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 333.614860][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 333.614920][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 333.614949][ T6649] ? rt_spin_unlock+0x160/0x200
[ 333.614973][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 333.615010][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 333.615063][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 333.615143][ T6649] kill_f2fs_super+0x308/0x710
[ 333.615171][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 333.615218][ T6649] deactivate_locked_super+0xbc/0x130
[ 333.615243][ T6649] cleanup_mnt+0x437/0x4d0
[ 333.615264][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 333.615291][ T6649] task_work_run+0x1d9/0x270
[ 333.615319][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 333.615354][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 333.615375][ T6649] ? rcu_is_watching+0x15/0xb0
[ 333.615401][ T6649] do_syscall_64+0x2b7/0xf80
[ 333.615423][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 333.615441][ T6649] ? trace_irq_disable+0x37/0x100
[ 333.615468][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 333.615491][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 333.615514][ T6649] RIP: 0033:0x7f055071c157
[ 333.615532][ T6649] Code: a2 c7 05 3c 84 23 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
[ 333.615548][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 333.615569][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 333.615583][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 333.615596][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 333.615609][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 333.615621][ T6649] R13: 00007f05507af33b R14: 0000000000051632 R15: 00007ffd2b72d980
[ 333.615662][ T6649]
[ 333.615670][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 334.755803][ T7567] loop1: detected capacity change from 0 to 40427
[ 334.771742][ T7567] F2FS-fs (loop1): invalid crc value
[ 334.897972][ T7567] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 334.899316][ T7567] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 335.140941][ T37] audit: type=1800 audit(1770582367.212:117): pid=7572 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.132" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 335.194074][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 335.194104][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 335.194116][ T6649] Call Trace:
[ 335.194124][ T6649]
[ 335.194133][ T6649] dump_stack_lvl+0xe8/0x150
[ 335.194163][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 335.194196][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 335.194231][ T6649] __submit_merged_bio+0x256/0x650
[ 335.194263][ T6649] __submit_merged_write_cond+0x269/0x530
[ 335.194295][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 335.194314][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 335.194369][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 335.194436][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 335.194474][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 335.194499][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 335.194522][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 335.194545][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 335.194565][ T6649] ? reacquire_held_locks+0x104/0x190
[ 335.194587][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 335.194622][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 335.194647][ T6649] ? rt_spin_unlock+0x160/0x200
[ 335.194665][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 335.194699][ T6649] do_writepages+0x32e/0x550
[ 335.194721][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 335.194744][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 335.194773][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 335.194798][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 335.194816][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 335.194868][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 335.194896][ T6649] ? rt_spin_unlock+0x160/0x200
[ 335.194919][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 335.194954][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 335.195002][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 335.195073][ T6649] kill_f2fs_super+0x308/0x710
[ 335.195100][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 335.195142][ T6649] deactivate_locked_super+0xbc/0x130
[ 335.195166][ T6649] cleanup_mnt+0x437/0x4d0
[ 335.195194][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 335.195221][ T6649] task_work_run+0x1d9/0x270
[ 335.195247][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 335.195280][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 335.195301][ T6649] ? rcu_is_watching+0x15/0xb0
[ 335.195327][ T6649] do_syscall_64+0x2b7/0xf80
[ 335.195350][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 335.195367][ T6649] ? trace_irq_disable+0x37/0x100
[ 335.195389][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 335.195411][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 335.195429][ T6649] RIP: 0033:0x7f055071c157
[ 335.195449][ T6649] Code: a2 c7 05 3c 84 23 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
[ 335.195465][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 335.195485][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 335.195499][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 335.195511][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 335.195525][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 335.195537][ T6649] R13: 00007f05507af33b R14: 0000000000051c34 R15: 00007ffd2b72d980
[ 335.195568][ T6649]
[ 335.195576][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 335.904886][ T6640] bio_check_eod: 31145 callbacks suppressed
[ 335.904907][ T6640] syz.0.21: attempt to access beyond end of device
[ 335.904907][ T6640] loop0: rw=524288, sector=87768, nr_sectors = 8 limit=40427
[ 335.905030][ T6640] syz.0.21: attempt to access beyond end of device
[ 335.905030][ T6640] loop0: rw=524288, sector=87776, nr_sectors = 8 limit=40427
[ 335.905148][ T6640] syz.0.21: attempt to access beyond end of device
[ 335.905148][ T6640] loop0: rw=524288, sector=87784, nr_sectors = 8 limit=40427
[ 335.905268][ T6640] syz.0.21: attempt to access beyond end of device
[ 335.905268][ T6640] loop0: rw=524288, sector=87792, nr_sectors = 8 limit=40427
[ 335.905386][ T6640] syz.0.21: attempt to access beyond end of device
[ 335.905386][ T6640] loop0: rw=524288, sector=87800, nr_sectors = 8 limit=40427
[ 335.905503][ T6640] syz.0.21: attempt to access beyond end of device
[ 335.905503][ T6640] loop0: rw=524288, sector=87808, nr_sectors = 8 limit=40427
[ 335.905627][ T6640] syz.0.21: attempt to access beyond end of device
[ 335.905627][ T6640] loop0: rw=524288, sector=87816, nr_sectors = 8 limit=40427
[ 335.905744][ T6640] syz.0.21: attempt to access beyond end of device
[ 335.905744][ T6640] loop0: rw=524288, sector=87824, nr_sectors = 8 limit=40427
[ 335.905888][ T6640] syz.0.21: attempt to access beyond end of device
[ 335.905888][ T6640] loop0: rw=524288, sector=87832, nr_sectors = 8 limit=40427
[ 335.906006][ T6640] syz.0.21: attempt to access beyond end of device
[ 335.906006][ T6640] loop0: rw=524288, sector=87840, nr_sectors = 8 limit=40427
[ 336.176013][ T7575] loop1: detected capacity change from 0 to 40427
[ 336.196046][ T7575] F2FS-fs (loop1): invalid crc value
[ 336.320142][ T7575] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 336.335349][ T7575] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 336.581927][ T37] audit: type=1800 audit(1770582368.652:118): pid=7580 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.133" name="file1" dev="loop1" ino=10 res=0 errno=0
2026/02/08 20:26:08 executed programs: 119
[ 336.625240][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 336.625270][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 336.625283][ T6649] Call Trace:
[ 336.625291][ T6649]
[ 336.625300][ T6649] dump_stack_lvl+0xe8/0x150
[ 336.625333][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 336.625367][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 336.625406][ T6649] __submit_merged_bio+0x256/0x650
[ 336.625439][ T6649] __submit_merged_write_cond+0x269/0x530
[ 336.625473][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 336.625492][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 336.625560][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 336.625635][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 336.625676][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 336.625700][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 336.625723][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 336.625746][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 336.625766][ T6649] ? reacquire_held_locks+0x104/0x190
[ 336.625787][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 336.625815][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 336.625839][ T6649] ? rt_spin_unlock+0x160/0x200
[ 336.625857][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 336.625878][ T6649] do_writepages+0x32e/0x550
[ 336.625901][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 336.625923][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 336.625953][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 336.625979][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 336.625998][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 336.626057][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 336.626086][ T6649] ? rt_spin_unlock+0x160/0x200
[ 336.626110][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 336.626147][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 336.626200][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 336.626280][ T6649] kill_f2fs_super+0x308/0x710
[ 336.626308][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 336.626354][ T6649] deactivate_locked_super+0xbc/0x130
[ 336.626379][ T6649] cleanup_mnt+0x437/0x4d0
[ 336.626399][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 336.626426][ T6649] task_work_run+0x1d9/0x270
[ 336.626453][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 336.626488][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 336.626516][ T6649] ? rcu_is_watching+0x15/0xb0
[ 336.626543][ T6649] do_syscall_64+0x2b7/0xf80
[ 336.626566][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 336.626584][ T6649] ? trace_irq_disable+0x37/0x100
[ 336.626605][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 336.626628][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 336.626646][ T6649] RIP: 0033:0x7f055071c157
[ 336.626666][ T6649] Code: a2 c7 05 3c 84 23 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
[ 336.626682][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 336.626703][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 336.626716][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 336.626729][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 336.626742][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 336.626755][ T6649] R13: 00007f05507af33b R14: 00000000000521e8 R15: 00007ffd2b72d980
[ 336.626789][ T6649]
[ 336.626797][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 337.446508][ T7583] loop1: detected capacity change from 0 to 40427
[ 337.469305][ T7583] F2FS-fs (loop1): invalid crc value
[ 337.630573][ T7583] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 337.645496][ T7583] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 337.875881][ T37] audit: type=1800 audit(1770582369.952:119): pid=7588 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.134" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 337.934104][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 337.934134][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 337.934146][ T6649] Call Trace:
[ 337.934154][ T6649]
[ 337.934164][ T6649] dump_stack_lvl+0xe8/0x150
[ 337.934195][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 337.934227][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 337.934262][ T6649] __submit_merged_bio+0x256/0x650
[ 337.934294][ T6649] __submit_merged_write_cond+0x269/0x530
[ 337.934327][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 337.934345][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 337.934402][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 337.934477][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 337.934516][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 337.934541][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 337.934564][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 337.934587][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 337.934607][ T6649] ? reacquire_held_locks+0x104/0x190
[ 337.934629][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 337.934655][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 337.934678][ T6649] ? rt_spin_unlock+0x160/0x200
[ 337.934696][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 337.934718][ T6649] do_writepages+0x32e/0x550
[ 337.934740][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 337.934761][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 337.934790][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 337.934815][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 337.934834][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 337.934887][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 337.934915][ T6649] ? rt_spin_unlock+0x160/0x200
[ 337.934938][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 337.934972][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 337.935021][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 337.935093][ T6649] kill_f2fs_super+0x308/0x710
[ 337.935120][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 337.935162][ T6649] deactivate_locked_super+0xbc/0x130
[ 337.935186][ T6649] cleanup_mnt+0x437/0x4d0
[ 337.935206][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 337.935233][ T6649] task_work_run+0x1d9/0x270
[ 337.935259][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 337.935292][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 337.935314][ T6649] ? rcu_is_watching+0x15/0xb0
[ 337.935339][ T6649] do_syscall_64+0x2b7/0xf80
[ 337.935361][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 337.935379][ T6649] ? trace_irq_disable+0x37/0x100
[ 337.935400][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 337.935423][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 337.935445][ T6649] RIP: 0033:0x7f055071c157
[ 337.935464][ T6649] Code: a2 c7 05 3c 84 23 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
[ 337.935481][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 337.935502][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 337.935515][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 337.935528][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 337.935541][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 337.935553][ T6649] R13: 00007f05507af33b R14: 000000000005271f R15: 00007ffd2b72d980
[ 337.935585][ T6649]
[ 337.935593][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 338.607225][ T7591] loop1: detected capacity change from 0 to 40427
[ 338.619165][ T7591] F2FS-fs (loop1): invalid crc value
[ 338.805829][ T7591] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 338.807218][ T7591] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 339.005710][ T37] audit: type=1800 audit(1770582371.082:120): pid=7596 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.135" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 339.053918][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 339.053948][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 339.053961][ T6649] Call Trace:
[ 339.053969][ T6649]
[ 339.053978][ T6649] dump_stack_lvl+0xe8/0x150
[ 339.054010][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 339.054043][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 339.054081][ T6649] __submit_merged_bio+0x256/0x650
[ 339.054114][ T6649] __submit_merged_write_cond+0x269/0x530
[ 339.054148][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 339.054167][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 339.054227][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 339.054295][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 339.054330][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 339.054373][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 339.054412][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 339.054438][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 339.054462][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 339.054486][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 339.054509][ T6649] do_writepages+0x32e/0x550
[ 339.054532][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 339.054554][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 339.054585][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 339.054611][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 339.054630][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 339.054689][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 339.054719][ T6649] ? rt_spin_unlock+0x160/0x200
[ 339.054742][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 339.054780][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 339.054834][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 339.054914][ T6649] kill_f2fs_super+0x308/0x710
[ 339.054947][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 339.054991][ T6649] deactivate_locked_super+0xbc/0x130
[ 339.055016][ T6649] cleanup_mnt+0x437/0x4d0
[ 339.055037][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 339.055064][ T6649] task_work_run+0x1d9/0x270
[ 339.055091][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 339.055127][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 339.055149][ T6649] ? rcu_is_watching+0x15/0xb0
[ 339.055175][ T6649] do_syscall_64+0x2b7/0xf80
[ 339.055199][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 339.055216][ T6649] ? trace_irq_disable+0x37/0x100
[ 339.055238][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 339.055262][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 339.055280][ T6649] RIP: 0033:0x7f055071c157
[ 339.055299][ T6649] Code: a2 c7 05 3c 84 23 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
[ 339.055322][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 339.055342][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 339.055356][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 339.055369][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 339.055382][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 339.055394][ T6649] R13: 00007f05507af33b R14: 0000000000052b88 R15: 00007ffd2b72d980
[ 339.055429][ T6649]
[ 339.055438][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 339.911232][ T7599] loop1: detected capacity change from 0 to 40427
[ 339.932587][ T7599] F2FS-fs (loop1): invalid crc value
[ 340.100414][ T7599] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 340.101806][ T7599] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 340.337640][ T37] audit: type=1800 audit(1770582372.412:121): pid=7604 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.136" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 340.384165][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 340.384198][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 340.384210][ T6649] Call Trace:
[ 340.384219][ T6649]
[ 340.384228][ T6649] dump_stack_lvl+0xe8/0x150
[ 340.384259][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 340.384293][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 340.384329][ T6649] __submit_merged_bio+0x256/0x650
[ 340.384363][ T6649] __submit_merged_write_cond+0x269/0x530
[ 340.384397][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 340.384415][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 340.384475][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 340.384550][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 340.384597][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 340.384623][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 340.384646][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 340.384689][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 340.384709][ T6649] ? reacquire_held_locks+0x104/0x190
[ 340.384731][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 340.384759][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 340.384784][ T6649] ? rt_spin_unlock+0x160/0x200
[ 340.384803][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 340.384824][ T6649] do_writepages+0x32e/0x550
[ 340.384847][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 340.384870][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 340.384901][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 340.384927][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 340.384946][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 340.385005][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 340.385034][ T6649] ? rt_spin_unlock+0x160/0x200
[ 340.385057][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 340.385095][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 340.385149][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 340.385229][ T6649] kill_f2fs_super+0x308/0x710
[ 340.385257][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 340.385304][ T6649] deactivate_locked_super+0xbc/0x130
[ 340.385327][ T6649] cleanup_mnt+0x437/0x4d0
[ 340.385348][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 340.385375][ T6649] task_work_run+0x1d9/0x270
[ 340.385402][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 340.385437][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 340.385459][ T6649] ? rcu_is_watching+0x15/0xb0
[ 340.385485][ T6649] do_syscall_64+0x2b7/0xf80
[ 340.385507][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 340.385525][ T6649] ? trace_irq_disable+0x37/0x100
[ 340.385546][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 340.385575][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 340.385593][ T6649] RIP: 0033:0x7f055071c157
[ 340.385612][ T6649] Code: a2 c7 05 3c 84 23 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
[ 340.385628][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 340.385648][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 340.385662][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 340.385674][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 340.385688][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 340.385701][ T6649] R13: 00007f05507af33b R14: 00000000000530bb R15: 00007ffd2b72d980
[ 340.385735][ T6649]
[ 340.385743][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 340.916270][ T6640] bio_check_eod: 27990 callbacks suppressed
[ 340.916323][ T6640] syz.0.21: attempt to access beyond end of device
[ 340.916323][ T6640] loop0: rw=0, sector=87840, nr_sectors = 8 limit=40427
[ 340.916483][ T6640] syz.0.21: attempt to access beyond end of device
[ 340.916483][ T6640] loop0: rw=0, sector=87848, nr_sectors = 8 limit=40427
[ 340.916599][ T6640] syz.0.21: attempt to access beyond end of device
[ 340.916599][ T6640] loop0: rw=0, sector=87856, nr_sectors = 8 limit=40427
[ 340.916718][ T6640] syz.0.21: attempt to access beyond end of device
[ 340.916718][ T6640] loop0: rw=0, sector=87864, nr_sectors = 8 limit=40427
[ 340.916836][ T6640] syz.0.21: attempt to access beyond end of device
[ 340.916836][ T6640] loop0: rw=0, sector=87872, nr_sectors = 8 limit=40427
[ 340.916955][ T6640] syz.0.21: attempt to access beyond end of device
[ 340.916955][ T6640] loop0: rw=0, sector=87880, nr_sectors = 8 limit=40427
[ 340.917073][ T6640] syz.0.21: attempt to access beyond end of device
[ 340.917073][ T6640] loop0: rw=0, sector=87888, nr_sectors = 8 limit=40427
[ 340.917197][ T6640] syz.0.21: attempt to access beyond end of device
[ 340.917197][ T6640] loop0: rw=0, sector=87896, nr_sectors = 8 limit=40427
[ 340.917321][ T6640] syz.0.21: attempt to access beyond end of device
[ 340.917321][ T6640] loop0: rw=0, sector=87904, nr_sectors = 8 limit=40427
[ 340.917437][ T6640] syz.0.21: attempt to access beyond end of device
[ 340.917437][ T6640] loop0: rw=0, sector=87912, nr_sectors = 8 limit=40427
[ 341.341350][ T7607] loop1: detected capacity change from 0 to 40427
[ 341.366720][ T7607] F2FS-fs (loop1): invalid crc value
[ 341.559018][ T7607] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 341.560240][ T7607] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
2026/02/08 20:26:13 executed programs: 123
[ 341.756941][ T37] audit: type=1800 audit(1770582373.832:122): pid=7612 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.137" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 341.816254][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 341.816283][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 341.816295][ T6649] Call Trace:
[ 341.816304][ T6649]
[ 341.816313][ T6649] dump_stack_lvl+0xe8/0x150
[ 341.816354][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 341.816388][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 341.816422][ T6649] __submit_merged_bio+0x256/0x650
[ 341.816452][ T6649] __submit_merged_write_cond+0x269/0x530
[ 341.816484][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 341.816503][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 341.816562][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 341.816631][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 341.816672][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 341.816696][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 341.816719][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 341.816741][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 341.816761][ T6649] ? reacquire_held_locks+0x104/0x190
[ 341.816783][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 341.816810][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 341.816835][ T6649] ? rt_spin_unlock+0x160/0x200
[ 341.816853][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 341.816875][ T6649] do_writepages+0x32e/0x550
[ 341.816898][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 341.816920][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 341.816951][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 341.816977][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 341.816996][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 341.817054][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 341.817083][ T6649] ? rt_spin_unlock+0x160/0x200
[ 341.817106][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 341.817143][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 341.817197][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 341.817276][ T6649] kill_f2fs_super+0x308/0x710
[ 341.817304][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 341.817359][ T6649] deactivate_locked_super+0xbc/0x130
[ 341.817383][ T6649] cleanup_mnt+0x437/0x4d0
[ 341.817404][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 341.817431][ T6649] task_work_run+0x1d9/0x270
[ 341.817458][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 341.817493][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 341.817514][ T6649] ? rcu_is_watching+0x15/0xb0
[ 341.817541][ T6649] do_syscall_64+0x2b7/0xf80
[ 341.817564][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 341.817582][ T6649] ? trace_irq_disable+0x37/0x100
[ 341.817604][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 341.817627][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 341.817645][ T6649] RIP: 0033:0x7f055071c157
[ 341.817664][ T6649] Code: a2 c7 05 3c 84 23 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
[ 341.817681][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 341.817700][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 341.817714][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 341.817726][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 341.817739][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 341.817752][ T6649] R13: 00007f05507af33b R14: 000000000005363c R15: 00007ffd2b72d980
[ 341.817785][ T6649]
[ 341.817794][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 342.633686][ T7615] loop1: detected capacity change from 0 to 40427
[ 342.658550][ T7615] F2FS-fs (loop1): invalid crc value
[ 342.890147][ T7615] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 342.902157][ T7615] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 343.115418][ T37] audit: type=1800 audit(1770582375.192:123): pid=7620 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.138" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 343.164083][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 343.164112][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 343.164124][ T6649] Call Trace:
[ 343.164132][ T6649]
[ 343.164141][ T6649] dump_stack_lvl+0xe8/0x150
[ 343.164172][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 343.164206][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 343.164244][ T6649] __submit_merged_bio+0x256/0x650
[ 343.164277][ T6649] __submit_merged_write_cond+0x269/0x530
[ 343.164311][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 343.164330][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 343.164400][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 343.164475][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 343.164516][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 343.164541][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 343.164565][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 343.164588][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 343.164609][ T6649] ? reacquire_held_locks+0x104/0x190
[ 343.164630][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 343.164658][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 343.164684][ T6649] ? rt_spin_unlock+0x160/0x200
[ 343.164702][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 343.164723][ T6649] do_writepages+0x32e/0x550
[ 343.164747][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 343.164768][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 343.164799][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 343.164825][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 343.164843][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 343.164903][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 343.164933][ T6649] ? rt_spin_unlock+0x160/0x200
[ 343.164956][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 343.164993][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 343.165047][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 343.165131][ T6649] kill_f2fs_super+0x308/0x710
[ 343.165161][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 343.165207][ T6649] deactivate_locked_super+0xbc/0x130
[ 343.165232][ T6649] cleanup_mnt+0x437/0x4d0
[ 343.165252][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 343.165280][ T6649] task_work_run+0x1d9/0x270
[ 343.165307][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 343.165348][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 343.165371][ T6649] ? rcu_is_watching+0x15/0xb0
[ 343.165398][ T6649] do_syscall_64+0x2b7/0xf80
[ 343.165421][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 343.165439][ T6649] ? trace_irq_disable+0x37/0x100
[ 343.165460][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 343.165484][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 343.165502][ T6649] RIP: 0033:0x7f055071c157
[ 343.165522][ T6649] Code: a2 c7 05 3c 84 23 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
[ 343.165538][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 343.165559][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 343.165572][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 343.165584][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 343.165598][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 343.165610][ T6649] R13: 00007f05507af33b R14: 0000000000053b97 R15: 00007ffd2b72d980
[ 343.165645][ T6649]
[ 343.165653][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 344.014853][ T7623] loop1: detected capacity change from 0 to 40427
[ 344.031284][ T7623] F2FS-fs (loop1): invalid crc value
[ 344.187233][ T7623] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[ 344.192057][ T7623] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 344.386118][ T37] audit: type=1800 audit(1770582376.462:124): pid=7628 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.139" name="file1" dev="loop1" ino=10 res=0 errno=0
[ 344.434121][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 344.434149][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 344.434161][ T6649] Call Trace:
[ 344.434169][ T6649]
[ 344.434178][ T6649] dump_stack_lvl+0xe8/0x150
[ 344.434219][ T6649] f2fs_handle_critical_error+0x354/0x510
[ 344.434252][ T6649] f2fs_write_end_io+0xc1d/0xfd0
[ 344.434288][ T6649] __submit_merged_bio+0x256/0x650
[ 344.434320][ T6649] __submit_merged_write_cond+0x269/0x530
[ 344.434352][ T6649] f2fs_write_data_pages+0x2806/0x3360
[ 344.434371][ T6649] ? is_bpf_text_address+0x26/0x2b0
[ 344.434427][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 344.434494][ T6649] ? do_raw_spin_lock+0x12b/0x2f0
[ 344.434533][ T6649] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 344.434558][ T6649] ? lockdep_hardirqs_on+0x7a/0x110
[ 344.434581][ T6649] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 344.434604][ T6649] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 344.434624][ T6649] ? reacquire_held_locks+0x104/0x190
[ 344.434646][ T6649] ? rt_spin_lock+0x1e0/0x400
[ 344.434672][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 344.434696][ T6649] ? rt_spin_unlock+0x160/0x200
[ 344.434714][ T6649] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 344.434736][ T6649] do_writepages+0x32e/0x550
[ 344.434759][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 344.434781][ T6649] ? rt_spin_unlock+0x14f/0x200
[ 344.434810][ T6649] filemap_fdatawrite+0x1ec/0x2f0
[ 344.434836][ T6649] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 344.434855][ T6649] ? __lock_acquire+0x6b5/0x2cf0
[ 344.434908][ T6649] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 344.434936][ T6649] ? rt_spin_unlock+0x160/0x200
[ 344.434954][ T6649] f2fs_sync_dirty_inodes+0x30e/0x810
[ 344.434981][ T6649] f2fs_write_checkpoint+0x9c6/0x2490
[ 344.435028][ T6649] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 344.435098][ T6649] kill_f2fs_super+0x308/0x710
[ 344.435125][ T6649] ? __pfx_kill_f2fs_super+0x10/0x10
[ 344.435168][ T6649] deactivate_locked_super+0xbc/0x130
[ 344.435198][ T6649] cleanup_mnt+0x437/0x4d0
[ 344.435219][ T6649] ? _raw_spin_unlock_irq+0x23/0x50
[ 344.435245][ T6649] task_work_run+0x1d9/0x270
[ 344.435271][ T6649] ? __pfx_task_work_run+0x10/0x10
[ 344.435305][ T6649] exit_to_user_mode_loop+0xed/0x480
[ 344.435326][ T6649] ? rcu_is_watching+0x15/0xb0
[ 344.435352][ T6649] do_syscall_64+0x2b7/0xf80
[ 344.435375][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 344.435392][ T6649] ? trace_irq_disable+0x37/0x100
[ 344.435414][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 344.435437][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 344.435455][ T6649] RIP: 0033:0x7f055071c157
[ 344.435473][ T6649] Code: a2 c7 05 3c 84 23 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
[ 344.435490][ T6649] RSP: 002b:00007ffd2b72c7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 344.435511][ T6649] RAX: 0000000000000000 RBX: 00007f05507af33b RCX: 00007f055071c157
[ 344.435525][ T6649] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd2b72c8b0
[ 344.435537][ T6649] RBP: 00007ffd2b72c8b0 R08: 00007ffd2b72d8b0 R09: 00000000ffffffff
[ 344.435550][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2b72d940
[ 344.435563][ T6649] R13: 00007f05507af33b R14: 000000000005408b R15: 00007ffd2b72d980
[ 344.435595][ T6649]
[ 344.435604][ T6649] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[ 345.303182][ T38] INFO: task kworker/u8:13:3813 blocked for more than 143 seconds.
[ 345.303206][ T38] Not tainted syzkaller #0
[ 345.303217][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 345.303226][ T38] task:kworker/u8:13 state:D stack:20888 pid:3813 tgid:3813 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 345.303291][ T38] Workqueue: writeback wb_workfn (flush-7:0)
[ 345.303321][ T38] Call Trace:
[ 345.303329][ T38]
[ 345.303342][ T38] __schedule+0x1498/0x5140
[ 345.303378][ T38] ? preempt_schedule_thunk+0x16/0x30
[ 345.303414][ T38] ? __pfx___schedule+0x10/0x10
[ 345.303434][ T38] ? rcu_preempt_deferred_qs_irqrestore+0x906/0xbc0
[ 345.303472][ T38] rt_mutex_schedule+0x76/0xf0
[ 345.303495][ T38] ? __rt_mutex_slowlock_locked+0x1e2/0x25c0
[ 345.303521][ T38] __rt_mutex_slowlock_locked+0x1f8f/0x25c0
[ 345.303560][ T38] ? __rt_mutex_slowlock_locked+0x1e2/0x25c0
[ 345.303592][ T38] ? __pfx___rt_mutex_slowlock_locked+0x10/0x10
[ 345.303639][ T38] rt_mutex_slowlock+0xbd/0x170
[ 345.303668][ T38] ? __pfx_rt_mutex_slowlock+0x10/0x10
[ 345.303696][ T38] ? f2fs_balance_fs+0x5d8/0x800
[ 345.303727][ T38] rwbase_write_lock+0x14d/0x730
[ 345.303763][ T38] f2fs_balance_fs+0x5d8/0x800
[ 345.303791][ T38] ? f2fs_write_inode+0x3fb/0x5f0
[ 345.303817][ T38] ? __pfx_f2fs_balance_fs+0x10/0x10
[ 345.303856][ T38] ? folio_unlock+0x101/0x160
[ 345.303881][ T38] ? f2fs_update_inode_page+0x247/0x2e0
[ 345.303904][ T38] ? f2fs_write_inode+0x3b2/0x5f0
[ 345.303931][ T38] f2fs_write_inode+0x3fb/0x5f0
[ 345.303959][ T38] __writeback_single_inode+0x7e4/0x1230
[ 345.303991][ T38] writeback_sb_inodes+0x92e/0x1910
[ 345.304039][ T38] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 345.304095][ T38] ? __pfx_down_read_trylock+0x10/0x10
[ 345.304123][ T38] ? __pfx_move_expired_inodes+0x10/0x10
[ 345.304145][ T38] ? preempt_count_add+0x91/0x190
[ 345.304178][ T38] __writeback_inodes_wb+0x111/0x240
[ 345.304211][ T38] wb_writeback+0x459/0xad0
[ 345.304238][ T38] ? queue_io+0x291/0x420
[ 345.304267][ T38] ? __pfx_wb_writeback+0x10/0x10
[ 345.304306][ T38] wb_workfn+0xaf3/0xf00
[ 345.304325][ T38] ? __lock_acquire+0x6b5/0x2cf0
[ 345.304343][ T38] ? look_up_lock_class+0x57/0x110
[ 345.304383][ T38] ? __pfx_wb_workfn+0x10/0x10
[ 345.304410][ T38] ? do_raw_spin_unlock+0xf5/0x210
[ 345.304433][ T38] ? process_scheduled_works+0xa0f/0x17a0
[ 345.304454][ T38] ? process_scheduled_works+0xa0f/0x17a0
[ 345.304480][ T38] ? process_scheduled_works+0xa0f/0x17a0
[ 345.304498][ T38] ? process_scheduled_works+0xa0f/0x17a0
[ 345.304519][ T38] process_scheduled_works+0xaec/0x17a0
[ 345.304564][ T38] ? __pfx_process_scheduled_works+0x10/0x10
[ 345.304581][ T38] ? do_raw_spin_lock+0x12b/0x2f0
[ 345.304608][ T38] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 345.304631][ T38] ? schedule+0x90/0x360
[ 345.304660][ T38] worker_thread+0xda6/0x1360
[ 345.304695][ T38] ? __kthread_parkme+0x19c/0x1f0
[ 345.304722][ T38] kthread+0x726/0x8b0
[ 345.304746][ T38] ? __pfx_worker_thread+0x10/0x10
[ 345.304765][ T38] ? __pfx_kthread+0x10/0x10
[ 345.304784][ T38] ? rt_spin_unlock+0x14f/0x200
[ 345.304808][ T38] ? rt_spin_unlock+0x160/0x200
[ 345.304826][ T38] ? __pfx_kthread+0x10/0x10
[ 345.304854][ T38] ret_from_fork+0x51b/0xa40
[ 345.304877][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 345.304896][ T38] ? __switch_to+0xc82/0x1410
[ 345.304925][ T38] ? __pfx_kthread+0x10/0x10
[ 345.304949][ T38] ret_from_fork_asm+0x1a/0x30
[ 345.304989][ T38]
[ 345.305035][ T38]
[ 345.305035][ T38] Showing all locks held in the system:
[ 345.305047][ T38] 1 lock held by khungtaskd/38:
[ 345.305058][ T38] #0: ffffffff8dbc77c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 345.305128][ T38] 4 locks held by kworker/u8:13/3813:
[ 345.305140][ T38] #0: ffff88801aad7138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0
[ 345.305183][ T38] #1: ffffc9000e8c7bc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0
[ 345.305226][ T38] #2: ffff8880381dc0d0 (&type->s_umount_key#55){++++}-{4:4}, at: super_trylock_shared+0x20/0xf0
[ 345.305276][ T38] #3: ffff888034c59a80 (&sbi->gc_lock){+.+.}-{4:4}, at: f2fs_balance_fs+0x5d8/0x800
[ 345.305325][ T38] 2 locks held by getty/5557:
[ 345.305336][ T38] #0: ffff88814d5750a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 345.305384][ T38] #1: ffffc90003e8b2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13c0
[ 345.305431][ T38] 6 locks held by syz.0.21/6640:
[ 345.305443][ T38] 4 locks held by syz.1.140/7631:
[ 345.305454][ T38]
[ 345.305460][ T38] =============================================
[ 345.305460][ T38]
[ 345.305477][ T38] NMI backtrace for cpu 0
[ 345.305491][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 345.305511][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 345.305522][ T38] Call Trace:
[ 345.305530][ T38]
[ 345.305538][ T38] dump_stack_lvl+0xe8/0x150
[ 345.305562][ T38] nmi_cpu_backtrace+0x274/0x2d0
[ 345.305582][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 345.305603][ T38] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 345.305625][ T38] sys_info+0x135/0x170
[ 345.305642][ T38] watchdog+0xf90/0xfe0
[ 345.305670][ T38] ? watchdog+0x209/0xfe0
[ 345.305699][ T38] kthread+0x726/0x8b0
[ 345.305722][ T38] ? __pfx_watchdog+0x10/0x10
[ 345.305744][ T38] ? __pfx_kthread+0x10/0x10
[ 345.305762][ T38] ? rt_spin_unlock+0x14f/0x200
[ 345.305786][ T38] ? rt_spin_unlock+0x160/0x200
[ 345.305803][ T38] ? __pfx_kthread+0x10/0x10
[ 345.305825][ T38] ret_from_fork+0x51b/0xa40
[ 345.305852][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 345.305869][ T38] ? __switch_to+0xc82/0x1410
[ 345.305897][ T38] ? __pfx_kthread+0x10/0x10
[ 345.305920][ T38] ret_from_fork_asm+0x1a/0x30
[ 345.305957][ T38]
[ 345.305964][ T38] Sending NMI from CPU 0 to CPUs 1:
[ 345.305992][ C1] NMI backtrace for cpu 1
[ 345.306011][ C1] CPU: 1 UID: 0 PID: 7631 Comm: syz.1.140 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 345.306029][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 345.306039][ C1] RIP: 0010:pfn_valid+0xf3/0x480
[ 345.306060][ C1] Code: 00 45 31 c0 45 31 c9 53 e8 ea fb 6f ff 48 83 c4 08 e8 c1 a0 de 08 89 c5 31 ff 89 c6 e8 06 58 94 ff 85 ed 74 1a e8 2d 73 79 ff <84> c0 74 7d e8 44 53 94 ff 4d 85 ff 75 11 e8 3a 53 94 ff eb 3d e8
[ 345.306074][ C1] RSP: 0018:ffffc9000d517398 EFLAGS: 00000202
[ 345.306087][ C1] RAX: 0000000000000001 RBX: ffffffff822ee3ba RCX: 0000000080000002
[ 345.306104][ C1] RDX: 0000000000000000 RSI: ffffffff8b85e960 RDI: ffffffff8b85e920
[ 345.306115][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[ 345.306125][ C1] R10: dffffc0000000000 R11: ffffed100785ffe8 R12: dffffc0000000000
[ 345.306137][ C1] R13: dffffc0000000000 R14: 0000000000012297 R15: ffff88813fffa780
[ 345.306148][ C1] FS: 00007f054fd7e6c0(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000
[ 345.306162][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 345.306174][ C1] CR2: 00007f0548d1b000 CR3: 0000000059ee8000 CR4: 00000000003526f0
[ 345.306188][ C1] Call Trace:
[ 345.306195][ C1]
[ 345.306203][ C1] page_table_check_clear+0x21/0x5f0
[ 345.306221][ C1] ? page_table_check_clear+0x144/0x5f0
[ 345.306238][ C1] ? vm_normal_page+0x186/0x1a0
[ 345.306255][ C1] unmap_page_range+0x2ee9/0x3cd0
[ 345.306289][ C1] ? __pfx_unmap_page_range+0x10/0x10
[ 345.306305][ C1] ? unmap_vmas+0x157/0x5c0
[ 345.306322][ C1] ? unmap_vmas+0x157/0x5c0
[ 345.306339][ C1] unmap_vmas+0x3c0/0x5c0
[ 345.306358][ C1] ? __pfx_unmap_vmas+0x10/0x10
[ 345.306381][ C1] ? tlb_gather_mmu+0x233/0x300
[ 345.306397][ C1] vms_clear_ptes+0x37b/0x570
[ 345.306418][ C1] ? __pfx_vms_clear_ptes+0x10/0x10
[ 345.306434][ C1] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 345.306457][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 345.306477][ C1] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 345.306495][ C1] vms_complete_munmap_vmas+0x205/0x890
[ 345.306514][ C1] ? __mas_set_range+0x12f/0x3c0
[ 345.306532][ C1] do_vmi_align_munmap+0x3bd/0x4d0
[ 345.306554][ C1] ? __pfx_do_vmi_align_munmap+0x10/0x10
[ 345.306575][ C1] ? mtree_range_walk+0x6aa/0x840
[ 345.306603][ C1] do_vmi_munmap+0x252/0x2d0
[ 345.306621][ C1] __vm_munmap+0x22c/0x3d0
[ 345.306638][ C1] ? __pfx___vm_munmap+0x10/0x10
[ 345.306659][ C1] ? rcu_is_watching+0x15/0xb0
[ 345.306681][ C1] __x64_sys_munmap+0x60/0x70
[ 345.306699][ C1] do_syscall_64+0xe2/0xf80
[ 345.306717][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 345.306731][ C1] ? trace_irq_disable+0x37/0x100
[ 345.306748][ C1] ? clear_bhb_loop+0x60/0xb0
[ 345.306765][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 345.306779][ C1] RIP: 0033:0x7f055071ad27
[ 345.306794][ C1] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 345.306806][ C1] RSP: 002b:00007f054fd7de08 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[ 345.306821][ C1] RAX: ffffffffffffffda RBX: 00000000013bd7ef RCX: 00007f055071ad27
[ 345.306833][ C1] RDX: 00000000013bd7ef RSI: 0000000008400000 RDI: 00007f054795e000
[ 345.306843][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 345.306852][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[ 345.306862][ C1] R13: 00007f054fd7dee0 R14: 00007f054fd7dea0 R15: 00007f054795e000
[ 345.306880][ C1]
[ 345.306990][ T38] Kernel panic - not syncing: hung_task: blocked tasks
[ 345.307008][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 345.307030][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 345.307041][ T38] Call Trace:
[ 345.307049][ T38]
[ 345.307058][ T38] vpanic+0x1e0/0x670
[ 345.307084][ T38] panic+0xc5/0xd0
[ 345.307105][ T38] ? __pfx_panic+0x10/0x10
[ 345.307137][ T38] ? nmi_trigger_cpumask_backtrace+0x234/0x300
[ 345.307160][ T38] watchdog+0xfda/0xfe0
[ 345.307188][ T38] ? watchdog+0x209/0xfe0
[ 345.307217][ T38] kthread+0x726/0x8b0
[ 345.307241][ T38] ? __pfx_watchdog+0x10/0x10
[ 345.307263][ T38] ? __pfx_kthread+0x10/0x10
[ 345.307282][ T38] ? rt_spin_unlock+0x14f/0x200
[ 345.307305][ T38] ? rt_spin_unlock+0x160/0x200
[ 345.307323][ T38] ? __pfx_kthread+0x10/0x10
[ 345.307345][ T38] ret_from_fork+0x51b/0xa40
[ 345.307367][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 345.307385][ T38] ? __switch_to+0xc82/0x1410
[ 345.307413][ T38] ? __pfx_kthread+0x10/0x10
[ 345.307435][ T38] ret_from_fork_asm+0x1a/0x30
[ 345.307473][ T38]
[ 345.307852][ T38] Kernel Offset: disabled