+0xe8/0x150
[  127.389657][    C0]  f2fs_handle_critical_error+0x354/0x510
[  127.389689][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  127.389725][    C0]  blk_update_request+0x57e/0xe60
[  127.389763][    C0]  blk_mq_end_request+0x3e/0x70
[  127.389790][    C0]  blk_done_softirq+0x10a/0x160
[  127.389816][    C0]  handle_softirqs+0x1de/0x6f0
[  127.389851][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  127.389879][    C0]  run_ksoftirqd+0x52/0x180
[  127.389907][    C0]  smpboot_thread_fn+0x541/0xa50
[  127.389937][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  127.389980][    C0]  kthread+0x388/0x470
[  127.390000][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  127.390026][    C0]  ? __pfx_kthread+0x10/0x10
[  127.390048][    C0]  ret_from_fork+0x51e/0xb90
[  127.390077][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  127.390102][    C0]  ? __switch_to+0xc7d/0x1450
[  127.390171][    C0]  ? __pfx_kthread+0x10/0x10
[  127.390194][    C0]  ret_from_fork_asm+0x1a/0x30
[  127.390228][    C0]  </TASK>
[  127.390235][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  127.390265][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  127.390298][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  127.390309][    C0] Call Trace:
[  127.390316][    C0]  <TASK>
[  127.390323][    C0]  dump_stack_lvl+0xe8/0x150
[  127.390351][    C0]  f2fs_handle_critical_error+0x354/0x510
[  127.390382][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  127.390418][    C0]  blk_update_request+0x57e/0xe60
[  127.390457][    C0]  blk_mq_end_request+0x3e/0x70
[  127.390482][    C0]  blk_done_softirq+0x10a/0x160
[  127.390509][    C0]  handle_softirqs+0x1de/0x6f0
[  127.390544][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  127.390571][    C0]  run_ksoftirqd+0x52/0x180
[  127.390600][    C0]  smpboot_thread_fn+0x541/0xa50
[  127.390629][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  127.390667][    C0]  kthread+0x388/0x470
[  127.390687][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  127.390713][    C0]  ? __pfx_kthread+0x10/0x10
[  127.390734][    C0]  ret_from_fork+0x51e/0xb90
[  127.390764][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  127.390788][    C0]  ? __switch_to+0xc7d/0x1450
[  127.390815][    C0]  ? __pfx_kthread+0x10/0x10
[  127.390836][    C0]  ret_from_fork_asm+0x1a/0x30
[  127.390870][    C0]  </TASK>
[  127.390877][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  127.390906][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  127.390927][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  127.390937][    C0] Call Trace:
[  127.390944][    C0]  <TASK>
[  127.390951][    C0]  dump_stack_lvl+0xe8/0x150
[  127.390985][    C0]  f2fs_handle_critical_error+0x354/0x510
[  127.391016][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  127.391052][    C0]  blk_update_request+0x57e/0xe60
[  127.391090][    C0]  blk_mq_end_request+0x3e/0x70
[  127.391116][    C0]  blk_done_softirq+0x10a/0x160
[  127.391142][    C0]  handle_softirqs+0x1de/0x6f0
[  127.391177][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  127.391204][    C0]  run_ksoftirqd+0x52/0x180
[  127.391232][    C0]  smpboot_thread_fn+0x541/0xa50
[  127.391262][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  127.391299][    C0]  kthread+0x388/0x470
[  127.391319][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  127.391345][    C0]  ? __pfx_kthread+0x10/0x10
[  127.391367][    C0]  ret_from_fork+0x51e/0xb90
[  127.391396][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  127.391421][    C0]  ? __switch_to+0xc7d/0x1450
[  127.391447][    C0]  ? __pfx_kthread+0x10/0x10
[  127.391468][    C0]  ret_from_fork_asm+0x1a/0x30
[  127.391503][    C0]  </TASK>
[  127.391510][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  127.391537][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  127.391558][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  127.391568][    C0] Call Trace:
[  127.391575][    C0]  <TASK>
[  127.391583][    C0]  dump_stack_lvl+0xe8/0x150
[  127.391611][    C0]  f2fs_handle_critical_error+0x354/0x510
[  127.391642][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  127.391679][    C0]  blk_update_request+0x57e/0xe60
[  127.391718][    C0]  blk_mq_end_request+0x3e/0x70
[  127.391743][    C0]  blk_done_softirq+0x10a/0x160
[  127.391770][    C0]  handle_softirqs+0x1de/0x6f0
[  127.391805][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  127.391832][    C0]  run_ksoftirqd+0x52/0x180
[  127.391861][    C0]  smpboot_thread_fn+0x541/0xa50
[  127.391891][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  127.391928][    C0]  kthread+0x388/0x470
[  127.391947][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  127.391980][    C0]  ? __pfx_kthread+0x10/0x10
[  127.392001][    C0]  ret_from_fork+0x51e/0xb90
[  127.392030][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  127.392055][    C0]  ? __switch_to+0xc7d/0x1450
[  127.392082][    C0]  ? __pfx_kthread+0x10/0x10
[  127.392104][    C0]  ret_from_fork_asm+0x1a/0x30
[  127.392137][    C0]  </TASK>
[  127.392144][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  127.400877][ T5915] F2FS-fs (loop1): do_checkpoint failed err:-5, stop checkpoint
[  127.710959][ T6166] loop2: detected capacity change from 0 to 40427
[  127.712208][ T6166] F2FS-fs: heap/no_heap options were deprecated
[  127.740347][ T6166] F2FS-fs (loop2): build fault injection rate: 19
[  127.740367][ T6166] F2FS-fs (loop2): build fault injection type: 0x3bfe8c
[  127.741446][ T6166] F2FS-fs (loop2): invalid crc value
[  128.572702][ T6166] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  128.595657][ T6166] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  129.111930][ T6174] loop0: detected capacity change from 0 to 40427
[  129.114889][ T6174] F2FS-fs: heap/no_heap options were deprecated
[  129.142367][ T6174] F2FS-fs (loop0): build fault injection rate: 19
[  129.142389][ T6174] F2FS-fs (loop0): build fault injection type: 0x3bfe8c
[  129.143424][ T6174] F2FS-fs (loop0): invalid crc value
[  129.324659][ T6173] loop3: detected capacity change from 0 to 40427
[  129.326672][ T6173] F2FS-fs: heap/no_heap options were deprecated
[  129.380552][ T6173] F2FS-fs (loop3): build fault injection rate: 19
[  129.380578][ T6173] F2FS-fs (loop3): build fault injection type: 0x3bfe8c
[  129.381675][ T6173] F2FS-fs (loop3): invalid crc value
[  129.478760][ T6178] loop1: detected capacity change from 0 to 40427
[  129.481950][ T6178] F2FS-fs: heap/no_heap options were deprecated
[  129.495573][ T6178] F2FS-fs (loop1): build fault injection rate: 19
[  129.495594][ T6178] F2FS-fs (loop1): build fault injection type: 0x3bfe8c
[  129.497914][ T6178] F2FS-fs (loop1): invalid crc value
[  129.785098][ T6174] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  129.840486][ T6174] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  129.960599][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  129.960631][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  129.960644][    C0] Call Trace:
[  129.960652][    C0]  <TASK>
[  129.960662][    C0]  dump_stack_lvl+0xe8/0x150
[  129.960697][    C0]  f2fs_handle_critical_error+0x354/0x510
[  129.960731][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  129.960752][    C0]  ? blk_update_request+0x57e/0xe60
[  129.960794][    C0]  blk_update_request+0x57e/0xe60
[  129.960834][    C0]  blk_mq_end_request+0x3e/0x70
[  129.960861][    C0]  blk_done_softirq+0x10a/0x160
[  129.960888][    C0]  handle_softirqs+0x1de/0x6f0
[  129.960925][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  129.960955][    C0]  run_ksoftirqd+0x52/0x180
[  129.960984][    C0]  smpboot_thread_fn+0x541/0xa50
[  129.961015][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  129.961052][    C0]  kthread+0x388/0x470
[  129.961073][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  129.961099][    C0]  ? __pfx_kthread+0x10/0x10
[  129.961121][    C0]  ret_from_fork+0x51e/0xb90
[  129.961151][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  129.961176][    C0]  ? __switch_to+0xc7d/0x1450
[  129.961204][    C0]  ? __pfx_kthread+0x10/0x10
[  129.961226][    C0]  ret_from_fork_asm+0x1a/0x30
[  129.961269][    C0]  </TASK>
[  129.961276][    C0] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  129.961312][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  129.961333][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  129.961344][    C0] Call Trace:
[  129.961351][    C0]  <TASK>
[  129.961359][    C0]  dump_stack_lvl+0xe8/0x150
[  129.961387][    C0]  f2fs_handle_critical_error+0x354/0x510
[  129.961418][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  129.961454][    C0]  blk_update_request+0x57e/0xe60
[  129.961492][    C0]  blk_mq_end_request+0x3e/0x70
[  129.961519][    C0]  blk_done_softirq+0x10a/0x160
[  129.961545][    C0]  handle_softirqs+0x1de/0x6f0
[  129.961580][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  129.961608][    C0]  run_ksoftirqd+0x52/0x180
[  129.961636][    C0]  smpboot_thread_fn+0x541/0xa50
[  129.961664][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  129.961700][    C0]  kthread+0x388/0x470
[  129.961721][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  129.961747][    C0]  ? __pfx_kthread+0x10/0x10
[  129.961770][    C0]  ret_from_fork+0x51e/0xb90
[  129.961799][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  129.961824][    C0]  ? __switch_to+0xc7d/0x1450
[  129.961851][    C0]  ? __pfx_kthread+0x10/0x10
[  129.961873][    C0]  ret_from_fork_asm+0x1a/0x30
[  129.961908][    C0]  </TASK>
[  129.961916][    C0] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  129.961952][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  129.961973][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  129.961984][    C0] Call Trace:
[  129.961992][    C0]  <TASK>
[  129.961999][    C0]  dump_stack_lvl+0xe8/0x150
[  129.962027][    C0]  f2fs_handle_critical_error+0x354/0x510
[  129.962059][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  129.962097][    C0]  blk_update_request+0x57e/0xe60
[  129.962136][    C0]  blk_mq_end_request+0x3e/0x70
[  129.962162][    C0]  blk_done_softirq+0x10a/0x160
[  129.962189][    C0]  handle_softirqs+0x1de/0x6f0
[  129.962224][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  129.962258][    C0]  run_ksoftirqd+0x52/0x180
[  129.962287][    C0]  smpboot_thread_fn+0x541/0xa50
[  129.962326][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  129.962362][    C0]  kthread+0x388/0x470
[  129.962383][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  129.962414][    C0]  ? __pfx_kthread+0x10/0x10
[  129.962436][    C0]  ret_from_fork+0x51e/0xb90
[  129.962465][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  129.962490][    C0]  ? __switch_to+0xc7d/0x1450
[  129.962517][    C0]  ? __pfx_kthread+0x10/0x10
[  129.962539][    C0]  ret_from_fork_asm+0x1a/0x30
[  129.962574][    C0]  </TASK>
[  129.962581][    C0] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  129.962611][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  129.962632][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  129.962643][    C0] Call Trace:
[  129.962650][    C0]  <TASK>
[  129.962657][    C0]  dump_stack_lvl+0xe8/0x150
[  129.962684][    C0]  f2fs_handle_critical_error+0x354/0x510
[  129.962715][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  129.962752][    C0]  blk_update_request+0x57e/0xe60
[  129.962791][    C0]  blk_mq_end_request+0x3e/0x70
[  129.962818][    C0]  blk_done_softirq+0x10a/0x160
[  129.962845][    C0]  handle_softirqs+0x1de/0x6f0
[  129.962881][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  129.962907][    C0]  run_ksoftirqd+0x52/0x180
[  129.962936][    C0]  smpboot_thread_fn+0x541/0xa50
[  129.962966][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  129.963003][    C0]  kthread+0x388/0x470
[  129.963023][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  129.963050][    C0]  ? __pfx_kthread+0x10/0x10
[  129.963072][    C0]  ret_from_fork+0x51e/0xb90
[  129.963101][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  129.963125][    C0]  ? __switch_to+0xc7d/0x1450
[  129.963152][    C0]  ? __pfx_kthread+0x10/0x10
[  129.963174][    C0]  ret_from_fork_asm+0x1a/0x30
[  129.963209][    C0]  </TASK>
[  129.963216][    C0] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  129.963254][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  129.963275][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  129.963286][    C0] Call Trace:
[  129.963292][    C0]  <TASK>
[  129.963300][    C0]  dump_stack_lvl+0xe8/0x150
[  129.963328][    C0]  f2fs_handle_critical_error+0x354/0x510
[  129.963359][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  129.963396][    C0]  blk_update_request+0x57e/0xe60
[  129.963436][    C0]  blk_mq_end_request+0x3e/0x70
[  129.963462][    C0]  blk_done_softirq+0x10a/0x160
[  129.963488][    C0]  handle_softirqs+0x1de/0x6f0
[  129.963523][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  129.963550][    C0]  run_ksoftirqd+0x52/0x180
[  129.963579][    C0]  smpboot_thread_fn+0x541/0xa50
[  129.963609][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  129.963645][    C0]  kthread+0x388/0x470
[  129.963666][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  129.963693][    C0]  ? __pfx_kthread+0x10/0x10
[  129.963715][    C0]  ret_from_fork+0x51e/0xb90
[  129.963743][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  129.963768][    C0]  ? __switch_to+0xc7d/0x1450
[  129.963796][    C0]  ? __pfx_kthread+0x10/0x10
[  129.963817][    C0]  ret_from_fork_asm+0x1a/0x30
[  129.963850][    C0]  </TASK>
[  129.963858][    C0] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  129.966485][ T5912] F2FS-fs (loop0): do_checkpoint failed err:-5, stop checkpoint
[  129.999162][ T6178] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  130.006072][ T6173] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  130.006562][ T6177] loop4: detected capacity change from 0 to 40427
[  130.007972][ T6177] F2FS-fs: heap/no_heap options were deprecated
[  130.010634][ T6178] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  130.026573][ T6177] F2FS-fs (loop4): build fault injection rate: 19
[  130.026593][ T6177] F2FS-fs (loop4): build fault injection type: 0x3bfe8c
[  130.028255][ T6177] F2FS-fs (loop4): invalid crc value
[  130.028830][ T6173] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
[  130.396261][ T6177] f2fs_printk: 12 callbacks suppressed
[  130.396279][ T6177] F2FS-fs (loop4): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  130.413104][ T6177] F2FS-fs (loop4): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  130.431707][ T6177] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
[  130.578105][    C0] F2FS-fs (loop1): inject write IO error in f2fs_write_end_io of blk_update_request+0x57e/0xe60
[  130.578181][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  130.578203][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  130.578216][    C0] Call Trace:
[  130.578223][    C0]  <TASK>
[  130.578232][    C0]  dump_stack_lvl+0xe8/0x150
[  130.578262][    C0]  f2fs_handle_critical_error+0x354/0x510
[  130.578296][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  130.578317][    C0]  ? blk_update_request+0x57e/0xe60
[  130.578357][    C0]  blk_update_request+0x57e/0xe60
[  130.578397][    C0]  blk_mq_end_request+0x3e/0x70
[  130.578422][    C0]  blk_done_softirq+0x10a/0x160
[  130.578449][    C0]  handle_softirqs+0x1de/0x6f0
[  130.578485][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.578514][    C0]  run_ksoftirqd+0x52/0x180
[  130.578542][    C0]  smpboot_thread_fn+0x541/0xa50
[  130.578572][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.578609][    C0]  kthread+0x388/0x470
[  130.578629][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  130.578656][    C0]  ? __pfx_kthread+0x10/0x10
[  130.578677][    C0]  ret_from_fork+0x51e/0xb90
[  130.578714][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  130.578739][    C0]  ? __switch_to+0xc7d/0x1450
[  130.578767][    C0]  ? __pfx_kthread+0x10/0x10
[  130.578788][    C0]  ret_from_fork_asm+0x1a/0x30
[  130.578823][    C0]  </TASK>
[  130.578830][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  130.578862][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  130.578883][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  130.578893][    C0] Call Trace:
[  130.578899][    C0]  <TASK>
[  130.578907][    C0]  dump_stack_lvl+0xe8/0x150
[  130.578934][    C0]  f2fs_handle_critical_error+0x354/0x510
[  130.578966][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  130.579003][    C0]  blk_update_request+0x57e/0xe60
[  130.579041][    C0]  blk_mq_end_request+0x3e/0x70
[  130.579067][    C0]  blk_done_softirq+0x10a/0x160
[  130.579094][    C0]  handle_softirqs+0x1de/0x6f0
[  130.579129][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.579156][    C0]  run_ksoftirqd+0x52/0x180
[  130.579185][    C0]  smpboot_thread_fn+0x541/0xa50
[  130.579214][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.579250][    C0]  kthread+0x388/0x470
[  130.579271][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  130.579298][    C0]  ? __pfx_kthread+0x10/0x10
[  130.579320][    C0]  ret_from_fork+0x51e/0xb90
[  130.579348][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  130.579374][    C0]  ? __switch_to+0xc7d/0x1450
[  130.579401][    C0]  ? __pfx_kthread+0x10/0x10
[  130.579423][    C0]  ret_from_fork_asm+0x1a/0x30
[  130.579457][    C0]  </TASK>
[  130.579464][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  130.579493][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  130.579514][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  130.579524][    C0] Call Trace:
[  130.579530][    C0]  <TASK>
[  130.579537][    C0]  dump_stack_lvl+0xe8/0x150
[  130.579565][    C0]  f2fs_handle_critical_error+0x354/0x510
[  130.579601][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  130.579637][    C0]  blk_update_request+0x57e/0xe60
[  130.579676][    C0]  blk_mq_end_request+0x3e/0x70
[  130.579709][    C0]  blk_done_softirq+0x10a/0x160
[  130.579735][    C0]  handle_softirqs+0x1de/0x6f0
[  130.579771][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.579798][    C0]  run_ksoftirqd+0x52/0x180
[  130.579826][    C0]  smpboot_thread_fn+0x541/0xa50
[  130.579857][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.579893][    C0]  kthread+0x388/0x470
[  130.579913][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  130.579940][    C0]  ? __pfx_kthread+0x10/0x10
[  130.579961][    C0]  ret_from_fork+0x51e/0xb90
[  130.579990][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  130.580015][    C0]  ? __switch_to+0xc7d/0x1450
[  130.580041][    C0]  ? __pfx_kthread+0x10/0x10
[  130.580063][    C0]  ret_from_fork_asm+0x1a/0x30
[  130.580098][    C0]  </TASK>
[  130.580105][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  130.580133][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  130.580153][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  130.580164][    C0] Call Trace:
[  130.580170][    C0]  <TASK>
[  130.580177][    C0]  dump_stack_lvl+0xe8/0x150
[  130.580205][    C0]  f2fs_handle_critical_error+0x354/0x510
[  130.580236][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  130.580273][    C0]  blk_update_request+0x57e/0xe60
[  130.580311][    C0]  blk_mq_end_request+0x3e/0x70
[  130.580337][    C0]  blk_done_softirq+0x10a/0x160
[  130.580363][    C0]  handle_softirqs+0x1de/0x6f0
[  130.580399][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.580426][    C0]  run_ksoftirqd+0x52/0x180
[  130.580456][    C0]  smpboot_thread_fn+0x541/0xa50
[  130.580486][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.580522][    C0]  kthread+0x388/0x470
[  130.580542][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  130.580569][    C0]  ? __pfx_kthread+0x10/0x10
[  130.580591][    C0]  ret_from_fork+0x51e/0xb90
[  130.580619][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  130.580644][    C0]  ? __switch_to+0xc7d/0x1450
[  130.580672][    C0]  ? __pfx_kthread+0x10/0x10
[  130.580698][    C0]  ret_from_fork_asm+0x1a/0x30
[  130.580733][    C0]  </TASK>
[  130.580739][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  130.580767][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  130.580788][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  130.580798][    C0] Call Trace:
[  130.580805][    C0]  <TASK>
[  130.580812][    C0]  dump_stack_lvl+0xe8/0x150
[  130.580839][    C0]  f2fs_handle_critical_error+0x354/0x510
[  130.580870][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  130.580907][    C0]  blk_update_request+0x57e/0xe60
[  130.580945][    C0]  blk_mq_end_request+0x3e/0x70
[  130.580972][    C0]  blk_done_softirq+0x10a/0x160
[  130.580997][    C0]  handle_softirqs+0x1de/0x6f0
[  130.581032][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.581060][    C0]  run_ksoftirqd+0x52/0x180
[  130.581089][    C0]  smpboot_thread_fn+0x541/0xa50
[  130.581119][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.581156][    C0]  kthread+0x388/0x470
[  130.581176][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  130.581203][    C0]  ? __pfx_kthread+0x10/0x10
[  130.581224][    C0]  ret_from_fork+0x51e/0xb90
[  130.581253][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  130.581279][    C0]  ? __switch_to+0xc7d/0x1450
[  130.581306][    C0]  ? __pfx_kthread+0x10/0x10
[  130.581327][    C0]  ret_from_fork_asm+0x1a/0x30
[  130.581362][    C0]  </TASK>
[  130.581368][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  130.582175][ T5915] F2FS-fs (loop1): do_checkpoint failed err:-5, stop checkpoint
[  130.728711][    C0] F2FS-fs (loop4): inject write IO error in f2fs_write_end_io of blk_update_request+0x57e/0xe60
[  130.728788][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  130.728810][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  130.728822][    C0] Call Trace:
[  130.728830][    C0]  <TASK>
[  130.728838][    C0]  dump_stack_lvl+0xe8/0x150
[  130.728869][    C0]  f2fs_handle_critical_error+0x354/0x510
[  130.728901][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  130.728922][    C0]  ? blk_update_request+0x57e/0xe60
[  130.728963][    C0]  blk_update_request+0x57e/0xe60
[  130.729000][    C0]  blk_mq_end_request+0x3e/0x70
[  130.729027][    C0]  blk_done_softirq+0x10a/0x160
[  130.729055][    C0]  handle_softirqs+0x1de/0x6f0
[  130.729090][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.729120][    C0]  run_ksoftirqd+0x52/0x180
[  130.729150][    C0]  smpboot_thread_fn+0x541/0xa50
[  130.729178][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.729213][    C0]  kthread+0x388/0x470
[  130.729234][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  130.729261][    C0]  ? __pfx_kthread+0x10/0x10
[  130.729282][    C0]  ret_from_fork+0x51e/0xb90
[  130.729311][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  130.729337][    C0]  ? __switch_to+0xc7d/0x1450
[  130.729364][    C0]  ? __pfx_kthread+0x10/0x10
[  130.729385][    C0]  ret_from_fork_asm+0x1a/0x30
[  130.729420][    C0]  </TASK>
[  130.729427][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  130.729459][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  130.729480][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  130.729490][    C0] Call Trace:
[  130.729497][    C0]  <TASK>
[  130.729504][    C0]  dump_stack_lvl+0xe8/0x150
[  130.729532][    C0]  f2fs_handle_critical_error+0x354/0x510
[  130.729564][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  130.729600][    C0]  blk_update_request+0x57e/0xe60
[  130.729639][    C0]  blk_mq_end_request+0x3e/0x70
[  130.729665][    C0]  blk_done_softirq+0x10a/0x160
[  130.729697][    C0]  handle_softirqs+0x1de/0x6f0
[  130.729733][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.729761][    C0]  run_ksoftirqd+0x52/0x180
[  130.729788][    C0]  smpboot_thread_fn+0x541/0xa50
[  130.729817][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.729853][    C0]  kthread+0x388/0x470
[  130.729874][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  130.729900][    C0]  ? __pfx_kthread+0x10/0x10
[  130.729922][    C0]  ret_from_fork+0x51e/0xb90
[  130.729950][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  130.729975][    C0]  ? __switch_to+0xc7d/0x1450
[  130.730001][    C0]  ? __pfx_kthread+0x10/0x10
[  130.730022][    C0]  ret_from_fork_asm+0x1a/0x30
[  130.730057][    C0]  </TASK>
[  130.730064][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  130.730094][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  130.730114][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  130.730126][    C0] Call Trace:
[  130.730132][    C0]  <TASK>
[  130.730140][    C0]  dump_stack_lvl+0xe8/0x150
[  130.730167][    C0]  f2fs_handle_critical_error+0x354/0x510
[  130.730198][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  130.730234][    C0]  blk_update_request+0x57e/0xe60
[  130.730273][    C0]  blk_mq_end_request+0x3e/0x70
[  130.730298][    C0]  blk_done_softirq+0x10a/0x160
[  130.730325][    C0]  handle_softirqs+0x1de/0x6f0
[  130.730360][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.730388][    C0]  run_ksoftirqd+0x52/0x180
[  130.730416][    C0]  smpboot_thread_fn+0x541/0xa50
[  130.730446][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.730483][    C0]  kthread+0x388/0x470
[  130.730503][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  130.730530][    C0]  ? __pfx_kthread+0x10/0x10
[  130.730552][    C0]  ret_from_fork+0x51e/0xb90
[  130.730581][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  130.730605][    C0]  ? __switch_to+0xc7d/0x1450
[  130.730632][    C0]  ? __pfx_kthread+0x10/0x10
[  130.730653][    C0]  ret_from_fork_asm+0x1a/0x30
[  130.730693][    C0]  </TASK>
[  130.730700][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  130.730727][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  130.730748][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  130.730759][    C0] Call Trace:
[  130.730765][    C0]  <TASK>
[  130.730773][    C0]  dump_stack_lvl+0xe8/0x150
[  130.730800][    C0]  f2fs_handle_critical_error+0x354/0x510
[  130.730832][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  130.730869][    C0]  blk_update_request+0x57e/0xe60
[  130.730907][    C0]  blk_mq_end_request+0x3e/0x70
[  130.730933][    C0]  blk_done_softirq+0x10a/0x160
[  130.730959][    C0]  handle_softirqs+0x1de/0x6f0
[  130.730994][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.731021][    C0]  run_ksoftirqd+0x52/0x180
[  130.731050][    C0]  smpboot_thread_fn+0x541/0xa50
[  130.731080][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.731117][    C0]  kthread+0x388/0x470
[  130.731137][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  130.731163][    C0]  ? __pfx_kthread+0x10/0x10
[  130.731185][    C0]  ret_from_fork+0x51e/0xb90
[  130.731214][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  130.731239][    C0]  ? __switch_to+0xc7d/0x1450
[  130.731266][    C0]  ? __pfx_kthread+0x10/0x10
[  130.731287][    C0]  ret_from_fork_asm+0x1a/0x30
[  130.731321][    C0]  </TASK>
[  130.731328][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  130.731356][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  130.731376][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  130.731386][    C0] Call Trace:
[  130.731393][    C0]  <TASK>
[  130.731400][    C0]  dump_stack_lvl+0xe8/0x150
[  130.731427][    C0]  f2fs_handle_critical_error+0x354/0x510
[  130.731459][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  130.731495][    C0]  blk_update_request+0x57e/0xe60
[  130.731533][    C0]  blk_mq_end_request+0x3e/0x70
[  130.731560][    C0]  blk_done_softirq+0x10a/0x160
[  130.731585][    C0]  handle_softirqs+0x1de/0x6f0
[  130.731621][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.731648][    C0]  run_ksoftirqd+0x52/0x180
[  130.731683][    C0]  smpboot_thread_fn+0x541/0xa50
[  130.731713][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  130.731751][    C0]  kthread+0x388/0x470
[  130.731771][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  130.731797][    C0]  ? __pfx_kthread+0x10/0x10
[  130.731819][    C0]  ret_from_fork+0x51e/0xb90
[  130.731848][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  130.731873][    C0]  ? __switch_to+0xc7d/0x1450
[  130.731900][    C0]  ? __pfx_kthread+0x10/0x10
[  130.731921][    C0]  ret_from_fork_asm+0x1a/0x30
[  130.731956][    C0]  </TASK>
[  130.731962][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  130.734620][ T5917] F2FS-fs (loop4): do_checkpoint failed err:-5, stop checkpoint
[  132.252892][ T6185] loop2: detected capacity change from 0 to 40427
[  132.268013][ T6185] F2FS-fs: heap/no_heap options were deprecated
[  132.290585][ T6185] F2FS-fs (loop2): build fault injection rate: 19
[  132.290606][ T6185] F2FS-fs (loop2): build fault injection type: 0x3bfe8c
[  132.297860][ T6185] F2FS-fs (loop2): invalid crc value
[  132.341828][ T6185] F2FS-fs (loop2): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  132.609434][ T6188] loop0: detected capacity change from 0 to 40427
[  132.610784][ T6188] F2FS-fs: heap/no_heap options were deprecated
[  132.647517][ T6188] F2FS-fs (loop0): build fault injection rate: 19
[  132.647546][ T6188] F2FS-fs (loop0): build fault injection type: 0x3bfe8c
[  132.664953][ T6188] F2FS-fs (loop0): invalid crc value
[  132.694072][ T6188] F2FS-fs (loop0): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  132.770792][ T1320] ieee802154 phy0 wpan0: encryption failed: -22
[  132.770880][ T1320] ieee802154 phy1 wpan1: encryption failed: -22
[  132.816894][ T6185] F2FS-fs (loop2): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  132.879635][ T6185] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  132.879990][ T6189] loop3: detected capacity change from 0 to 40427
[  132.881390][ T6189] F2FS-fs: heap/no_heap options were deprecated
[  132.898650][ T6185] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  132.904987][ T6189] F2FS-fs (loop3): build fault injection rate: 19
[  132.905027][ T6189] F2FS-fs (loop3): build fault injection type: 0x3bfe8c
[  132.937554][ T6189] F2FS-fs (loop3): invalid crc value
2026/03/05 02:41:48 executed programs: 46
[  132.989589][ T6188] F2FS-fs (loop0): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  133.016777][ T6188] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  133.061003][ T6189] F2FS-fs (loop3): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  133.086831][ T6188] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  133.260434][    C1] F2FS-fs (loop0): inject write IO error in f2fs_write_end_io of blk_update_request+0x57e/0xe60
[  133.260516][    C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  133.260539][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  133.260549][    C1] Call Trace:
[  133.260557][    C1]  <TASK>
[  133.260566][    C1]  dump_stack_lvl+0xe8/0x150
[  133.260599][    C1]  f2fs_handle_critical_error+0x354/0x510
[  133.260634][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  133.260655][    C1]  ? blk_update_request+0x57e/0xe60
[  133.260697][    C1]  blk_update_request+0x57e/0xe60
[  133.260736][    C1]  blk_mq_end_request+0x3e/0x70
[  133.260763][    C1]  blk_done_softirq+0x10a/0x160
[  133.260789][    C1]  handle_softirqs+0x1de/0x6f0
[  133.260826][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  133.260855][    C1]  run_ksoftirqd+0x52/0x180
[  133.260885][    C1]  smpboot_thread_fn+0x541/0xa50
[  133.260916][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  133.260952][    C1]  kthread+0x388/0x470
[  133.260973][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  133.261004][    C1]  ? __pfx_kthread+0x10/0x10
[  133.261027][    C1]  ret_from_fork+0x51e/0xb90
[  133.261064][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  133.261090][    C1]  ? __switch_to+0xc7d/0x1450
[  133.261118][    C1]  ? __pfx_kthread+0x10/0x10
[  133.261140][    C1]  ret_from_fork_asm+0x1a/0x30
[  133.261176][    C1]  </TASK>
[  133.261252][    C1] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  133.261290][    C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  133.261313][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  133.261324][    C1] Call Trace:
[  133.261331][    C1]  <TASK>
[  133.261339][    C1]  dump_stack_lvl+0xe8/0x150
[  133.261367][    C1]  f2fs_handle_critical_error+0x354/0x510
[  133.261398][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  133.261437][    C1]  blk_update_request+0x57e/0xe60
[  133.261477][    C1]  blk_mq_end_request+0x3e/0x70
[  133.261504][    C1]  blk_done_softirq+0x10a/0x160
[  133.261530][    C1]  handle_softirqs+0x1de/0x6f0
[  133.261565][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  133.261592][    C1]  run_ksoftirqd+0x52/0x180
[  133.261622][    C1]  smpboot_thread_fn+0x541/0xa50
[  133.261653][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  133.261690][    C1]  kthread+0x388/0x470
[  133.261711][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  133.261738][    C1]  ? __pfx_kthread+0x10/0x10
[  133.261760][    C1]  ret_from_fork+0x51e/0xb90
[  133.261788][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  133.261813][    C1]  ? __switch_to+0xc7d/0x1450
[  133.261840][    C1]  ? __pfx_kthread+0x10/0x10
[  133.261861][    C1]  ret_from_fork_asm+0x1a/0x30
[  133.261897][    C1]  </TASK>
[  133.261905][    C1] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  133.261938][    C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  133.261960][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  133.261970][    C1] Call Trace:
[  133.261978][    C1]  <TASK>
[  133.261985][    C1]  dump_stack_lvl+0xe8/0x150
[  133.262013][    C1]  f2fs_handle_critical_error+0x354/0x510
[  133.262051][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  133.262089][    C1]  blk_update_request+0x57e/0xe60
[  133.262129][    C1]  blk_mq_end_request+0x3e/0x70
[  133.262156][    C1]  blk_done_softirq+0x10a/0x160
[  133.262182][    C1]  handle_softirqs+0x1de/0x6f0
[  133.262218][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  133.262244][    C1]  run_ksoftirqd+0x52/0x180
[  133.262273][    C1]  smpboot_thread_fn+0x541/0xa50
[  133.262304][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  133.262341][    C1]  kthread+0x388/0x470
[  133.262362][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  133.262389][    C1]  ? __pfx_kthread+0x10/0x10
[  133.262410][    C1]  ret_from_fork+0x51e/0xb90
[  133.262439][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  133.262465][    C1]  ? __switch_to+0xc7d/0x1450
[  133.262492][    C1]  ? __pfx_kthread+0x10/0x10
[  133.262514][    C1]  ret_from_fork_asm+0x1a/0x30
[  133.262549][    C1]  </TASK>
[  133.262556][    C1] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  133.262589][    C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  133.262610][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  133.262621][    C1] Call Trace:
[  133.262627][    C1]  <TASK>
[  133.262635][    C1]  dump_stack_lvl+0xe8/0x150
[  133.262663][    C1]  f2fs_handle_critical_error+0x354/0x510
[  133.262694][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  133.262731][    C1]  blk_update_request+0x57e/0xe60
[  133.262770][    C1]  blk_mq_end_request+0x3e/0x70
[  133.262797][    C1]  blk_done_softirq+0x10a/0x160
[  133.262824][    C1]  handle_softirqs+0x1de/0x6f0
[  133.262859][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  133.262887][    C1]  run_ksoftirqd+0x52/0x180
[  133.262916][    C1]  smpboot_thread_fn+0x541/0xa50
[  133.262946][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  133.262983][    C1]  kthread+0x388/0x470
[  133.263004][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  133.263032][    C1]  ? __pfx_kthread+0x10/0x10
[  133.263060][    C1]  ret_from_fork+0x51e/0xb90
[  133.263090][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  133.263114][    C1]  ? __switch_to+0xc7d/0x1450
[  133.263141][    C1]  ? __pfx_kthread+0x10/0x10
[  133.263163][    C1]  ret_from_fork_asm+0x1a/0x30
[  133.263195][    C1]  </TASK>
[  133.263203][    C1] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  133.263233][    C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  133.263252][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  133.263261][    C1] Call Trace:
[  133.263268][    C1]  <TASK>
[  133.263275][    C1]  dump_stack_lvl+0xe8/0x150
[  133.263300][    C1]  f2fs_handle_critical_error+0x354/0x510
[  133.263329][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  133.263365][    C1]  blk_update_request+0x57e/0xe60
[  133.263403][    C1]  blk_mq_end_request+0x3e/0x70
[  133.263429][    C1]  blk_done_softirq+0x10a/0x160
[  133.263455][    C1]  handle_softirqs+0x1de/0x6f0
[  133.263491][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  133.263517][    C1]  run_ksoftirqd+0x52/0x180
[  133.263544][    C1]  smpboot_thread_fn+0x541/0xa50
[  133.263572][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  133.263608][    C1]  kthread+0x388/0x470
[  133.263627][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  133.263653][    C1]  ? __pfx_kthread+0x10/0x10
[  133.263675][    C1]  ret_from_fork+0x51e/0xb90
[  133.263705][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  133.263730][    C1]  ? __switch_to+0xc7d/0x1450
[  133.263757][    C1]  ? __pfx_kthread+0x10/0x10
[  133.263779][    C1]  ret_from_fork_asm+0x1a/0x30
[  133.263812][    C1]  </TASK>
[  133.263820][    C1] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  133.265292][ T5912] F2FS-fs (loop0): do_checkpoint failed err:-5, stop checkpoint
[  133.428970][ T6191] loop4: detected capacity change from 0 to 40427
[  133.443353][ T6191] F2FS-fs: heap/no_heap options were deprecated
[  133.452095][ T6191] F2FS-fs (loop4): build fault injection rate: 19
[  133.452113][ T6191] F2FS-fs (loop4): build fault injection type: 0x3bfe8c
[  133.453132][ T6191] F2FS-fs (loop4): invalid crc value
[  133.592799][ T6189] F2FS-fs (loop3): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  133.614907][ T6189] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  133.685297][ T6189] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
[  133.938249][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  133.938278][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  133.938290][    C0] Call Trace:
[  133.938298][    C0]  <TASK>
[  133.938306][    C0]  dump_stack_lvl+0xe8/0x150
[  133.938341][    C0]  f2fs_handle_critical_error+0x354/0x510
[  133.938375][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  133.938396][    C0]  ? blk_update_request+0x57e/0xe60
[  133.938437][    C0]  blk_update_request+0x57e/0xe60
[  133.938476][    C0]  blk_mq_end_request+0x3e/0x70
[  133.938511][    C0]  blk_done_softirq+0x10a/0x160
[  133.938538][    C0]  handle_softirqs+0x1de/0x6f0
[  133.938574][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  133.938602][    C0]  run_ksoftirqd+0x52/0x180
[  133.938631][    C0]  smpboot_thread_fn+0x541/0xa50
[  133.938661][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  133.938698][    C0]  kthread+0x388/0x470
[  133.938719][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  133.938746][    C0]  ? __pfx_kthread+0x10/0x10
[  133.938768][    C0]  ret_from_fork+0x51e/0xb90
[  133.938797][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  133.938822][    C0]  ? __switch_to+0xc7d/0x1450
[  133.938849][    C0]  ? __pfx_kthread+0x10/0x10
[  133.938871][    C0]  ret_from_fork_asm+0x1a/0x30
[  133.938906][    C0]  </TASK>
[  133.938913][    C0] F2FS-fs (loop3): Stopped filesystem due to reason: 3
[  133.938947][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  133.938968][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  133.938978][    C0] Call Trace:
[  133.938985][    C0]  <TASK>
[  133.938992][    C0]  dump_stack_lvl+0xe8/0x150
[  133.939020][    C0]  f2fs_handle_critical_error+0x354/0x510
[  133.939051][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  133.939088][    C0]  blk_update_request+0x57e/0xe60
[  133.939126][    C0]  blk_mq_end_request+0x3e/0x70
[  133.939152][    C0]  blk_done_softirq+0x10a/0x160
[  133.939179][    C0]  handle_softirqs+0x1de/0x6f0
[  133.939214][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  133.939239][    C0]  run_ksoftirqd+0x52/0x180
[  133.939268][    C0]  smpboot_thread_fn+0x541/0xa50
[  133.939299][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  133.939335][    C0]  kthread+0x388/0x470
[  133.939355][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  133.939383][    C0]  ? __pfx_kthread+0x10/0x10
[  133.939404][    C0]  ret_from_fork+0x51e/0xb90
[  133.939433][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  133.939458][    C0]  ? __switch_to+0xc7d/0x1450
[  133.939484][    C0]  ? __pfx_kthread+0x10/0x10
[  133.939512][    C0]  ret_from_fork_asm+0x1a/0x30
[  133.939546][    C0]  </TASK>
[  133.939553][    C0] F2FS-fs (loop3): Stopped filesystem due to reason: 3
[  133.939581][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  133.939602][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  133.939613][    C0] Call Trace:
[  133.939619][    C0]  <TASK>
[  133.939626][    C0]  dump_stack_lvl+0xe8/0x150
[  133.939653][    C0]  f2fs_handle_critical_error+0x354/0x510
[  133.939685][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  133.939721][    C0]  blk_update_request+0x57e/0xe60
[  133.939760][    C0]  blk_mq_end_request+0x3e/0x70
[  133.939786][    C0]  blk_done_softirq+0x10a/0x160
[  133.939813][    C0]  handle_softirqs+0x1de/0x6f0
[  133.939847][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  133.939875][    C0]  run_ksoftirqd+0x52/0x180
[  133.939904][    C0]  smpboot_thread_fn+0x541/0xa50
[  133.939933][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  133.939970][    C0]  kthread+0x388/0x470
[  133.939990][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  133.940016][    C0]  ? __pfx_kthread+0x10/0x10
[  133.940037][    C0]  ret_from_fork+0x51e/0xb90
[  133.940066][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  133.940090][    C0]  ? __switch_to+0xc7d/0x1450
[  133.940118][    C0]  ? __pfx_kthread+0x10/0x10
[  133.940138][    C0]  ret_from_fork_asm+0x1a/0x30
[  133.940173][    C0]  </TASK>
[  133.940180][    C0] F2FS-fs (loop3): Stopped filesystem due to reason: 3
[  133.940208][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  133.940228][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  133.940238][    C0] Call Trace:
[  133.940245][    C0]  <TASK>
[  133.940253][    C0]  dump_stack_lvl+0xe8/0x150
[  133.940280][    C0]  f2fs_handle_critical_error+0x354/0x510
[  133.940311][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  133.940347][    C0]  blk_update_request+0x57e/0xe60
[  133.940386][    C0]  blk_mq_end_request+0x3e/0x70
[  133.940412][    C0]  blk_done_softirq+0x10a/0x160
[  133.940437][    C0]  handle_softirqs+0x1de/0x6f0
[  133.940473][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  133.940505][    C0]  run_ksoftirqd+0x52/0x180
[  133.940534][    C0]  smpboot_thread_fn+0x541/0xa50
[  133.940565][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  133.940601][    C0]  kthread+0x388/0x470
[  133.940621][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  133.940648][    C0]  ? __pfx_kthread+0x10/0x10
[  133.940670][    C0]  ret_from_fork+0x51e/0xb90
[  133.940699][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  133.940723][    C0]  ? __switch_to+0xc7d/0x1450
[  133.940750][    C0]  ? __pfx_kthread+0x10/0x10
[  133.940772][    C0]  ret_from_fork_asm+0x1a/0x30
[  133.940807][    C0]  </TASK>
[  133.940813][    C0] F2FS-fs (loop3): Stopped filesystem due to reason: 3
[  133.940841][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  133.940861][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  133.940872][    C0] Call Trace:
[  133.940878][    C0]  <TASK>
[  133.940886][    C0]  dump_stack_lvl+0xe8/0x150
[  133.940912][    C0]  f2fs_handle_critical_error+0x354/0x510
[  133.940944][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  133.940980][    C0]  blk_update_request+0x57e/0xe60
[  133.941018][    C0]  blk_mq_end_request+0x3e/0x70
[  133.941044][    C0]  blk_done_softirq+0x10a/0x160
[  133.941070][    C0]  handle_softirqs+0x1de/0x6f0
[  133.941105][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  133.941131][    C0]  run_ksoftirqd+0x52/0x180
[  133.941161][    C0]  smpboot_thread_fn+0x541/0xa50
[  133.941190][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  133.941227][    C0]  kthread+0x388/0x470
[  133.941247][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  133.941274][    C0]  ? __pfx_kthread+0x10/0x10
[  133.941296][    C0]  ret_from_fork+0x51e/0xb90
[  133.941324][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  133.941349][    C0]  ? __switch_to+0xc7d/0x1450
[  133.941376][    C0]  ? __pfx_kthread+0x10/0x10
[  133.941397][    C0]  ret_from_fork_asm+0x1a/0x30
[  133.941431][    C0]  </TASK>
[  133.941438][    C0] F2FS-fs (loop3): Stopped filesystem due to reason: 3
[  133.963861][ T5924] F2FS-fs (loop3): do_checkpoint failed err:-5, stop checkpoint
[  134.024352][ T6190] loop1: detected capacity change from 0 to 40427
[  134.025579][ T6190] F2FS-fs: heap/no_heap options were deprecated
[  134.094350][ T6190] F2FS-fs (loop1): build fault injection rate: 19
[  134.094371][ T6190] F2FS-fs (loop1): build fault injection type: 0x3bfe8c
[  134.096919][ T6190] F2FS-fs (loop1): invalid crc value
[  134.362746][ T6191] F2FS-fs (loop4): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  134.385120][ T6191] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
[  134.612987][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  134.613014][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  134.613026][    C0] Call Trace:
[  134.613034][    C0]  <TASK>
[  134.613042][    C0]  dump_stack_lvl+0xe8/0x150
[  134.613078][    C0]  f2fs_handle_critical_error+0x354/0x510
[  134.613111][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  134.613132][    C0]  ? blk_update_request+0x57e/0xe60
[  134.613174][    C0]  blk_update_request+0x57e/0xe60
[  134.613212][    C0]  blk_mq_end_request+0x3e/0x70
[  134.613239][    C0]  blk_done_softirq+0x10a/0x160
[  134.613266][    C0]  handle_softirqs+0x1de/0x6f0
[  134.613301][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  134.613329][    C0]  run_ksoftirqd+0x52/0x180
[  134.613359][    C0]  smpboot_thread_fn+0x541/0xa50
[  134.613389][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  134.613426][    C0]  kthread+0x388/0x470
[  134.613454][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  134.613481][    C0]  ? __pfx_kthread+0x10/0x10
[  134.613502][    C0]  ret_from_fork+0x51e/0xb90
[  134.613532][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  134.613557][    C0]  ? __switch_to+0xc7d/0x1450
[  134.613584][    C0]  ? __pfx_kthread+0x10/0x10
[  134.613606][    C0]  ret_from_fork_asm+0x1a/0x30
[  134.613640][    C0]  </TASK>
[  134.613648][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  134.613683][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  134.613703][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  134.613714][    C0] Call Trace:
[  134.613721][    C0]  <TASK>
[  134.613729][    C0]  dump_stack_lvl+0xe8/0x150
[  134.613757][    C0]  f2fs_handle_critical_error+0x354/0x510
[  134.613788][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  134.613825][    C0]  blk_update_request+0x57e/0xe60
[  134.613863][    C0]  blk_mq_end_request+0x3e/0x70
[  134.613889][    C0]  blk_done_softirq+0x10a/0x160
[  134.613915][    C0]  handle_softirqs+0x1de/0x6f0
[  134.613950][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  134.613977][    C0]  run_ksoftirqd+0x52/0x180
[  134.614006][    C0]  smpboot_thread_fn+0x541/0xa50
[  134.614036][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  134.614073][    C0]  kthread+0x388/0x470
[  134.614093][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  134.614120][    C0]  ? __pfx_kthread+0x10/0x10
[  134.614142][    C0]  ret_from_fork+0x51e/0xb90
[  134.614171][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  134.614195][    C0]  ? __switch_to+0xc7d/0x1450
[  134.614222][    C0]  ? __pfx_kthread+0x10/0x10
[  134.614244][    C0]  ret_from_fork_asm+0x1a/0x30
[  134.614278][    C0]  </TASK>
[  134.614285][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  134.614314][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  134.614334][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  134.614345][    C0] Call Trace:
[  134.614351][    C0]  <TASK>
[  134.614359][    C0]  dump_stack_lvl+0xe8/0x150
[  134.614386][    C0]  f2fs_handle_critical_error+0x354/0x510
[  134.614417][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  134.614459][    C0]  blk_update_request+0x57e/0xe60
[  134.614497][    C0]  blk_mq_end_request+0x3e/0x70
[  134.614523][    C0]  blk_done_softirq+0x10a/0x160
[  134.614551][    C0]  handle_softirqs+0x1de/0x6f0
[  134.614585][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  134.614612][    C0]  run_ksoftirqd+0x52/0x180
[  134.614641][    C0]  smpboot_thread_fn+0x541/0xa50
[  134.614671][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  134.614707][    C0]  kthread+0x388/0x470
[  134.614727][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  134.614754][    C0]  ? __pfx_kthread+0x10/0x10
[  134.614776][    C0]  ret_from_fork+0x51e/0xb90
[  134.614804][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  134.614829][    C0]  ? __switch_to+0xc7d/0x1450
[  134.614856][    C0]  ? __pfx_kthread+0x10/0x10
[  134.614877][    C0]  ret_from_fork_asm+0x1a/0x30
[  134.614911][    C0]  </TASK>
[  134.614918][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  134.614946][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  134.614965][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  134.614975][    C0] Call Trace:
[  134.614982][    C0]  <TASK>
[  134.614989][    C0]  dump_stack_lvl+0xe8/0x150
[  134.615017][    C0]  f2fs_handle_critical_error+0x354/0x510
[  134.615049][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  134.615085][    C0]  blk_update_request+0x57e/0xe60
[  134.615123][    C0]  blk_mq_end_request+0x3e/0x70
[  134.615149][    C0]  blk_done_softirq+0x10a/0x160
[  134.615175][    C0]  handle_softirqs+0x1de/0x6f0
[  134.615211][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  134.615238][    C0]  run_ksoftirqd+0x52/0x180
[  134.615268][    C0]  smpboot_thread_fn+0x541/0xa50
[  134.615297][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  134.615334][    C0]  kthread+0x388/0x470
[  134.615354][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  134.615380][    C0]  ? __pfx_kthread+0x10/0x10
[  134.615402][    C0]  ret_from_fork+0x51e/0xb90
[  134.615431][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  134.615461][    C0]  ? __switch_to+0xc7d/0x1450
[  134.615487][    C0]  ? __pfx_kthread+0x10/0x10
[  134.615509][    C0]  ret_from_fork_asm+0x1a/0x30
[  134.615544][    C0]  </TASK>
[  134.615551][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  134.615577][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  134.615598][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  134.615609][    C0] Call Trace:
[  134.615615][    C0]  <TASK>
[  134.615623][    C0]  dump_stack_lvl+0xe8/0x150
[  134.615650][    C0]  f2fs_handle_critical_error+0x354/0x510
[  134.615681][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  134.615718][    C0]  blk_update_request+0x57e/0xe60
[  134.615755][    C0]  blk_mq_end_request+0x3e/0x70
[  134.615782][    C0]  blk_done_softirq+0x10a/0x160
[  134.615808][    C0]  handle_softirqs+0x1de/0x6f0
[  134.615842][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  134.615869][    C0]  run_ksoftirqd+0x52/0x180
[  134.615897][    C0]  smpboot_thread_fn+0x541/0xa50
[  134.615927][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  134.615963][    C0]  kthread+0x388/0x470
[  134.615983][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  134.616009][    C0]  ? __pfx_kthread+0x10/0x10
[  134.616031][    C0]  ret_from_fork+0x51e/0xb90
[  134.616059][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  134.616083][    C0]  ? __switch_to+0xc7d/0x1450
[  134.616110][    C0]  ? __pfx_kthread+0x10/0x10
[  134.616131][    C0]  ret_from_fork_asm+0x1a/0x30
[  134.616165][    C0]  </TASK>
[  134.616172][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  134.639702][ T5917] F2FS-fs (loop4): do_checkpoint failed err:-5, stop checkpoint
[  134.955716][ T6190] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  135.018244][ T6190] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  135.178156][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  135.178185][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  135.178197][    C0] Call Trace:
[  135.178205][    C0]  <TASK>
[  135.178213][    C0]  dump_stack_lvl+0xe8/0x150
[  135.178247][    C0]  f2fs_handle_critical_error+0x354/0x510
[  135.178281][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  135.178301][    C0]  ? blk_update_request+0x57e/0xe60
[  135.178343][    C0]  blk_update_request+0x57e/0xe60
[  135.178382][    C0]  blk_mq_end_request+0x3e/0x70
[  135.178415][    C0]  blk_done_softirq+0x10a/0x160
[  135.178443][    C0]  handle_softirqs+0x1de/0x6f0
[  135.178479][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  135.178508][    C0]  run_ksoftirqd+0x52/0x180
[  135.178538][    C0]  smpboot_thread_fn+0x541/0xa50
[  135.178568][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  135.178605][    C0]  kthread+0x388/0x470
[  135.178625][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  135.178653][    C0]  ? __pfx_kthread+0x10/0x10
[  135.178674][    C0]  ret_from_fork+0x51e/0xb90
[  135.178703][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  135.178728][    C0]  ? __switch_to+0xc7d/0x1450
[  135.178756][    C0]  ? __pfx_kthread+0x10/0x10
[  135.178777][    C0]  ret_from_fork_asm+0x1a/0x30
[  135.178811][    C0]  </TASK>
[  135.178819][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  135.178852][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  135.178873][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  135.178883][    C0] Call Trace:
[  135.178889][    C0]  <TASK>
[  135.178897][    C0]  dump_stack_lvl+0xe8/0x150
[  135.178924][    C0]  f2fs_handle_critical_error+0x354/0x510
[  135.178955][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  135.178991][    C0]  blk_update_request+0x57e/0xe60
[  135.179030][    C0]  blk_mq_end_request+0x3e/0x70
[  135.179056][    C0]  blk_done_softirq+0x10a/0x160
[  135.179082][    C0]  handle_softirqs+0x1de/0x6f0
[  135.179119][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  135.179146][    C0]  run_ksoftirqd+0x52/0x180
[  135.179175][    C0]  smpboot_thread_fn+0x541/0xa50
[  135.179204][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  135.179241][    C0]  kthread+0x388/0x470
[  135.179261][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  135.179287][    C0]  ? __pfx_kthread+0x10/0x10
[  135.179309][    C0]  ret_from_fork+0x51e/0xb90
[  135.179338][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  135.179362][    C0]  ? __switch_to+0xc7d/0x1450
[  135.179389][    C0]  ? __pfx_kthread+0x10/0x10
[  135.179417][    C0]  ret_from_fork_asm+0x1a/0x30
[  135.179451][    C0]  </TASK>
[  135.179733][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  135.179776][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  135.179797][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  135.179808][    C0] Call Trace:
[  135.179815][    C0]  <TASK>
[  135.179822][    C0]  dump_stack_lvl+0xe8/0x150
[  135.179852][    C0]  f2fs_handle_critical_error+0x354/0x510
[  135.179882][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  135.179919][    C0]  blk_update_request+0x57e/0xe60
[  135.179958][    C0]  blk_mq_end_request+0x3e/0x70
[  135.179982][    C0]  blk_done_softirq+0x10a/0x160
[  135.180008][    C0]  handle_softirqs+0x1de/0x6f0
[  135.180043][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  135.180071][    C0]  run_ksoftirqd+0x52/0x180
[  135.180100][    C0]  smpboot_thread_fn+0x541/0xa50
[  135.180128][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  135.180165][    C0]  kthread+0x388/0x470
[  135.180185][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  135.180212][    C0]  ? __pfx_kthread+0x10/0x10
[  135.180234][    C0]  ret_from_fork+0x51e/0xb90
[  135.180263][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  135.180289][    C0]  ? __switch_to+0xc7d/0x1450
[  135.180315][    C0]  ? __pfx_kthread+0x10/0x10
[  135.180336][    C0]  ret_from_fork_asm+0x1a/0x30
[  135.180371][    C0]  </TASK>
[  135.180378][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  135.180414][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  135.180435][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  135.180446][    C0] Call Trace:
[  135.180453][    C0]  <TASK>
[  135.180460][    C0]  dump_stack_lvl+0xe8/0x150
[  135.180488][    C0]  f2fs_handle_critical_error+0x354/0x510
[  135.180519][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  135.180555][    C0]  blk_update_request+0x57e/0xe60
[  135.180593][    C0]  blk_mq_end_request+0x3e/0x70
[  135.180620][    C0]  blk_done_softirq+0x10a/0x160
[  135.180646][    C0]  handle_softirqs+0x1de/0x6f0
[  135.180681][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  135.180708][    C0]  run_ksoftirqd+0x52/0x180
[  135.180737][    C0]  smpboot_thread_fn+0x541/0xa50
[  135.180767][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  135.180803][    C0]  kthread+0x388/0x470
[  135.180824][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  135.180851][    C0]  ? __pfx_kthread+0x10/0x10
[  135.180872][    C0]  ret_from_fork+0x51e/0xb90
[  135.180900][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  135.180925][    C0]  ? __switch_to+0xc7d/0x1450
[  135.180952][    C0]  ? __pfx_kthread+0x10/0x10
[  135.180974][    C0]  ret_from_fork_asm+0x1a/0x30
[  135.181007][    C0]  </TASK>
[  135.181015][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  135.181044][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  135.181064][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  135.181075][    C0] Call Trace:
[  135.181082][    C0]  <TASK>
[  135.181089][    C0]  dump_stack_lvl+0xe8/0x150
[  135.181116][    C0]  f2fs_handle_critical_error+0x354/0x510
[  135.181147][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  135.181183][    C0]  blk_update_request+0x57e/0xe60
[  135.181221][    C0]  blk_mq_end_request+0x3e/0x70
[  135.181247][    C0]  blk_done_softirq+0x10a/0x160
[  135.181274][    C0]  handle_softirqs+0x1de/0x6f0
[  135.181308][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  135.181335][    C0]  run_ksoftirqd+0x52/0x180
[  135.181364][    C0]  smpboot_thread_fn+0x541/0xa50
[  135.181394][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  135.181436][    C0]  kthread+0x388/0x470
[  135.181456][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  135.181482][    C0]  ? __pfx_kthread+0x10/0x10
[  135.181504][    C0]  ret_from_fork+0x51e/0xb90
[  135.181533][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  135.181557][    C0]  ? __switch_to+0xc7d/0x1450
[  135.181584][    C0]  ? __pfx_kthread+0x10/0x10
[  135.181605][    C0]  ret_from_fork_asm+0x1a/0x30
[  135.181640][    C0]  </TASK>
[  135.181646][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  135.189220][ T5915] F2FS-fs (loop1): do_checkpoint failed err:-5, stop checkpoint
[  136.621658][ T6202] loop2: detected capacity change from 0 to 40427
[  136.642840][ T6202] F2FS-fs: heap/no_heap options were deprecated
[  136.654960][ T6202] F2FS-fs (loop2): build fault injection rate: 19
[  136.654980][ T6202] F2FS-fs (loop2): build fault injection type: 0x3bfe8c
[  136.655880][ T6202] F2FS-fs (loop2): invalid crc value
[  136.701946][ T6202] f2fs_printk: 7 callbacks suppressed
[  136.701963][ T6202] F2FS-fs (loop2): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  136.963306][ T6203] loop0: detected capacity change from 0 to 40427
[  136.964522][ T6203] F2FS-fs: heap/no_heap options were deprecated
[  136.968573][ T6203] F2FS-fs (loop0): build fault injection rate: 19
[  136.968591][ T6203] F2FS-fs (loop0): build fault injection type: 0x3bfe8c
[  136.971426][ T6203] F2FS-fs (loop0): invalid crc value
[  136.987717][ T6203] F2FS-fs (loop0): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  137.061818][ T6205] loop4: detected capacity change from 0 to 40427
[  137.072763][ T6205] F2FS-fs: heap/no_heap options were deprecated
[  137.094647][ T6205] F2FS-fs (loop4): build fault injection rate: 19
[  137.094670][ T6205] F2FS-fs (loop4): build fault injection type: 0x3bfe8c
[  137.095695][ T6205] F2FS-fs (loop4): invalid crc value
[  137.096425][ T6202] F2FS-fs (loop2): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  137.146690][ T6202] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  137.183824][ T6202] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  137.204224][ T6205] F2FS-fs (loop4): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  137.253743][ T6203] F2FS-fs (loop0): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  137.266533][ T6203] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  137.275541][ T6206] loop1: detected capacity change from 0 to 40427
[  137.283316][ T6204] loop3: detected capacity change from 0 to 40427
[  137.296219][ T6206] F2FS-fs: heap/no_heap options were deprecated
[  137.320365][ T6204] F2FS-fs: heap/no_heap options were deprecated
[  137.321181][ T6206] F2FS-fs (loop1): build fault injection rate: 19
[  137.321198][ T6206] F2FS-fs (loop1): build fault injection type: 0x3bfe8c
[  137.329067][ T6203] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  137.344040][ T6206] F2FS-fs (loop1): invalid crc value
[  137.349386][ T6204] F2FS-fs (loop3): build fault injection rate: 19
[  137.349406][ T6204] F2FS-fs (loop3): build fault injection type: 0x3bfe8c
[  137.368061][ T6204] F2FS-fs (loop3): invalid crc value
[  137.421082][ T6206] F2FS-fs (loop1): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  137.443670][ T6204] F2FS-fs (loop3): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  137.574361][    C1] F2FS-fs (loop2): inject write IO error in f2fs_write_end_io of blk_update_request+0x57e/0xe60
[  137.574447][    C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  137.574471][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  137.574484][    C1] Call Trace:
[  137.574492][    C1]  <TASK>
[  137.574500][    C1]  dump_stack_lvl+0xe8/0x150
[  137.574531][    C1]  f2fs_handle_critical_error+0x354/0x510
[  137.574563][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  137.574584][    C1]  ? blk_update_request+0x57e/0xe60
[  137.574625][    C1]  blk_update_request+0x57e/0xe60
[  137.574670][    C1]  blk_mq_end_request+0x3e/0x70
[  137.574698][    C1]  blk_done_softirq+0x10a/0x160
[  137.574725][    C1]  handle_softirqs+0x1de/0x6f0
[  137.574769][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.574797][    C1]  run_ksoftirqd+0x52/0x180
[  137.574827][    C1]  smpboot_thread_fn+0x541/0xa50
[  137.574857][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.574895][    C1]  kthread+0x388/0x470
[  137.574916][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  137.574943][    C1]  ? __pfx_kthread+0x10/0x10
[  137.574964][    C1]  ret_from_fork+0x51e/0xb90
[  137.574994][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  137.575020][    C1]  ? __switch_to+0xc7d/0x1450
[  137.575047][    C1]  ? __pfx_kthread+0x10/0x10
[  137.575068][    C1]  ret_from_fork_asm+0x1a/0x30
[  137.575104][    C1]  </TASK>
[  137.575418][    C1] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  137.575468][    C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  137.575489][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  137.575500][    C1] Call Trace:
[  137.575507][    C1]  <TASK>
[  137.575515][    C1]  dump_stack_lvl+0xe8/0x150
[  137.575546][    C1]  f2fs_handle_critical_error+0x354/0x510
[  137.575575][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  137.575612][    C1]  blk_update_request+0x57e/0xe60
[  137.575650][    C1]  blk_mq_end_request+0x3e/0x70
[  137.575677][    C1]  blk_done_softirq+0x10a/0x160
[  137.575703][    C1]  handle_softirqs+0x1de/0x6f0
[  137.575748][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.575777][    C1]  run_ksoftirqd+0x52/0x180
[  137.575805][    C1]  smpboot_thread_fn+0x541/0xa50
[  137.575833][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.575869][    C1]  kthread+0x388/0x470
[  137.575889][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  137.575916][    C1]  ? __pfx_kthread+0x10/0x10
[  137.575935][    C1]  ret_from_fork+0x51e/0xb90
[  137.575965][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  137.575991][    C1]  ? __switch_to+0xc7d/0x1450
[  137.576018][    C1]  ? __pfx_kthread+0x10/0x10
[  137.576039][    C1]  ret_from_fork_asm+0x1a/0x30
[  137.576070][    C1]  </TASK>
[  137.576079][    C1] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  137.576113][    C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  137.576135][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  137.576146][    C1] Call Trace:
[  137.576154][    C1]  <TASK>
[  137.576161][    C1]  dump_stack_lvl+0xe8/0x150
[  137.576190][    C1]  f2fs_handle_critical_error+0x354/0x510
[  137.576221][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  137.576255][    C1]  blk_update_request+0x57e/0xe60
[  137.576293][    C1]  blk_mq_end_request+0x3e/0x70
[  137.576318][    C1]  blk_done_softirq+0x10a/0x160
[  137.576343][    C1]  handle_softirqs+0x1de/0x6f0
[  137.576376][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.576402][    C1]  run_ksoftirqd+0x52/0x180
[  137.576430][    C1]  smpboot_thread_fn+0x541/0xa50
[  137.576459][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.576495][    C1]  kthread+0x388/0x470
[  137.576514][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  137.576538][    C1]  ? __pfx_kthread+0x10/0x10
[  137.576558][    C1]  ret_from_fork+0x51e/0xb90
[  137.576586][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  137.576611][    C1]  ? __switch_to+0xc7d/0x1450
[  137.576637][    C1]  ? __pfx_kthread+0x10/0x10
[  137.576658][    C1]  ret_from_fork_asm+0x1a/0x30
[  137.576693][    C1]  </TASK>
[  137.576700][    C1] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  137.576743][    C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  137.576765][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  137.576776][    C1] Call Trace:
[  137.576783][    C1]  <TASK>
[  137.576790][    C1]  dump_stack_lvl+0xe8/0x150
[  137.576826][    C1]  f2fs_handle_critical_error+0x354/0x510
[  137.576858][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  137.576897][    C1]  blk_update_request+0x57e/0xe60
[  137.576936][    C1]  blk_mq_end_request+0x3e/0x70
[  137.576963][    C1]  blk_done_softirq+0x10a/0x160
[  137.576988][    C1]  handle_softirqs+0x1de/0x6f0
[  137.577023][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.577050][    C1]  run_ksoftirqd+0x52/0x180
[  137.577078][    C1]  smpboot_thread_fn+0x541/0xa50
[  137.577108][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.577144][    C1]  kthread+0x388/0x470
[  137.577164][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  137.577190][    C1]  ? __pfx_kthread+0x10/0x10
[  137.577210][    C1]  ret_from_fork+0x51e/0xb90
[  137.577238][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  137.577268][    C1]  ? __switch_to+0xc7d/0x1450
[  137.577292][    C1]  ? __pfx_kthread+0x10/0x10
[  137.577312][    C1]  ret_from_fork_asm+0x1a/0x30
[  137.577344][    C1]  </TASK>
[  137.667064][ T6205] F2FS-fs (loop4): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
2026/03/05 02:41:53 executed programs: 54
[  137.733308][ T6205] F2FS-fs (loop4): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  137.740994][ T6205] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
[  137.777356][    C1] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  137.777423][    C1] CPU: 1 UID: 0 PID: 30 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  137.777445][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  137.777456][    C1] Call Trace:
[  137.777464][    C1]  <TASK>
[  137.777471][    C1]  dump_stack_lvl+0xe8/0x150
[  137.777502][    C1]  f2fs_handle_critical_error+0x354/0x510
[  137.777533][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  137.777572][    C1]  blk_update_request+0x57e/0xe60
[  137.777612][    C1]  blk_mq_end_request+0x3e/0x70
[  137.777640][    C1]  blk_done_softirq+0x10a/0x160
[  137.777667][    C1]  handle_softirqs+0x1de/0x6f0
[  137.777705][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.777743][    C1]  run_ksoftirqd+0x52/0x180
[  137.777773][    C1]  smpboot_thread_fn+0x541/0xa50
[  137.777804][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.777842][    C1]  kthread+0x388/0x470
[  137.777863][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  137.777890][    C1]  ? __pfx_kthread+0x10/0x10
[  137.777912][    C1]  ret_from_fork+0x51e/0xb90
[  137.777943][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  137.777968][    C1]  ? __switch_to+0xc7d/0x1450
[  137.777997][    C1]  ? __pfx_kthread+0x10/0x10
[  137.778019][    C1]  ret_from_fork_asm+0x1a/0x30
[  137.778056][    C1]  </TASK>
[  137.778064][    C1] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  137.787601][ T5918] F2FS-fs (loop2): do_checkpoint failed err:-5, stop checkpoint
[  137.996270][ T6204] F2FS-fs (loop3): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  137.997379][    C1] CPU: 1 UID: 0 PID: 28 Comm: rcuc/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  137.997405][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  137.997418][    C1] Call Trace:
[  137.997425][    C1]  <TASK>
[  137.997434][    C1]  dump_stack_lvl+0xe8/0x150
[  137.997468][    C1]  f2fs_handle_critical_error+0x354/0x510
[  137.997501][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  137.997522][    C1]  ? blk_update_request+0x57e/0xe60
[  137.997564][    C1]  blk_update_request+0x57e/0xe60
[  137.997601][    C1]  blk_mq_end_request+0x3e/0x70
[  137.997628][    C1]  blk_done_softirq+0x10a/0x160
[  137.997663][    C1]  handle_softirqs+0x1de/0x6f0
[  137.997701][    C1]  __local_bh_enable_ip+0x170/0x2b0
[  137.997730][    C1]  ? rcu_cpu_kthread+0x205/0x1470
[  137.997749][    C1]  rcu_cpu_kthread+0x9e8/0x1470
[  137.997776][    C1]  ? rcu_cpu_kthread+0x205/0x1470
[  137.997806][    C1]  ? __pfx_rcu_cpu_kthread+0x10/0x10
[  137.997827][    C1]  ? schedule+0x90/0x360
[  137.997859][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.997887][    C1]  smpboot_thread_fn+0x541/0xa50
[  137.997917][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.997954][    C1]  kthread+0x388/0x470
[  137.997975][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  137.998002][    C1]  ? __pfx_kthread+0x10/0x10
[  137.998024][    C1]  ret_from_fork+0x51e/0xb90
[  137.998054][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  137.998079][    C1]  ? __switch_to+0xc7d/0x1450
[  137.998107][    C1]  ? __pfx_kthread+0x10/0x10
[  137.998129][    C1]  ret_from_fork_asm+0x1a/0x30
[  137.998163][    C1]  </TASK>
[  137.998170][    C1] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  137.998209][    C1] CPU: 1 UID: 0 PID: 28 Comm: rcuc/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  137.998230][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  137.998240][    C1] Call Trace:
[  137.998247][    C1]  <TASK>
[  137.998255][    C1]  dump_stack_lvl+0xe8/0x150
[  137.998283][    C1]  f2fs_handle_critical_error+0x354/0x510
[  137.998315][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  137.998353][    C1]  blk_update_request+0x57e/0xe60
[  137.998391][    C1]  blk_mq_end_request+0x3e/0x70
[  137.998418][    C1]  blk_done_softirq+0x10a/0x160
[  137.998444][    C1]  handle_softirqs+0x1de/0x6f0
[  137.998482][    C1]  __local_bh_enable_ip+0x170/0x2b0
[  137.998510][    C1]  ? rcu_cpu_kthread+0x205/0x1470
[  137.998528][    C1]  rcu_cpu_kthread+0x9e8/0x1470
[  137.998555][    C1]  ? rcu_cpu_kthread+0x205/0x1470
[  137.998585][    C1]  ? __pfx_rcu_cpu_kthread+0x10/0x10
[  137.998606][    C1]  ? schedule+0x90/0x360
[  137.998637][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.998670][    C1]  smpboot_thread_fn+0x541/0xa50
[  137.998700][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.998737][    C1]  kthread+0x388/0x470
[  137.998758][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  137.998785][    C1]  ? __pfx_kthread+0x10/0x10
[  137.998807][    C1]  ret_from_fork+0x51e/0xb90
[  137.998836][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  137.998861][    C1]  ? __switch_to+0xc7d/0x1450
[  137.998888][    C1]  ? __pfx_kthread+0x10/0x10
[  137.998909][    C1]  ret_from_fork_asm+0x1a/0x30
[  137.998945][    C1]  </TASK>
[  137.998952][    C1] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  137.998981][    C1] CPU: 1 UID: 0 PID: 28 Comm: rcuc/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  137.999002][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  137.999012][    C1] Call Trace:
[  137.999019][    C1]  <TASK>
[  137.999026][    C1]  dump_stack_lvl+0xe8/0x150
[  137.999054][    C1]  f2fs_handle_critical_error+0x354/0x510
[  137.999086][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  137.999124][    C1]  blk_update_request+0x57e/0xe60
[  137.999162][    C1]  blk_mq_end_request+0x3e/0x70
[  137.999189][    C1]  blk_done_softirq+0x10a/0x160
[  137.999215][    C1]  handle_softirqs+0x1de/0x6f0
[  137.999251][    C1]  __local_bh_enable_ip+0x170/0x2b0
[  137.999280][    C1]  ? rcu_cpu_kthread+0x205/0x1470
[  137.999298][    C1]  rcu_cpu_kthread+0x9e8/0x1470
[  137.999325][    C1]  ? rcu_cpu_kthread+0x205/0x1470
[  137.999355][    C1]  ? __pfx_rcu_cpu_kthread+0x10/0x10
[  137.999375][    C1]  ? schedule+0x90/0x360
[  137.999407][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.999434][    C1]  smpboot_thread_fn+0x541/0xa50
[  137.999464][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  137.999502][    C1]  kthread+0x388/0x470
[  137.999522][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  137.999549][    C1]  ? __pfx_kthread+0x10/0x10
[  137.999571][    C1]  ret_from_fork+0x51e/0xb90
[  137.999601][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  137.999625][    C1]  ? __switch_to+0xc7d/0x1450
[  137.999657][    C1]  ? __pfx_kthread+0x10/0x10
[  137.999679][    C1]  ret_from_fork_asm+0x1a/0x30
[  137.999714][    C1]  </TASK>
[  137.999721][    C1] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  137.999749][    C1] CPU: 1 UID: 0 PID: 28 Comm: rcuc/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  137.999770][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  137.999781][    C1] Call Trace:
[  137.999787][    C1]  <TASK>
[  137.999794][    C1]  dump_stack_lvl+0xe8/0x150
[  137.999823][    C1]  f2fs_handle_critical_error+0x354/0x510
[  137.999855][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  137.999892][    C1]  blk_update_request+0x57e/0xe60
[  137.999931][    C1]  blk_mq_end_request+0x3e/0x70
[  137.999958][    C1]  blk_done_softirq+0x10a/0x160
[  137.999984][    C1]  handle_softirqs+0x1de/0x6f0
[  138.000022][    C1]  __local_bh_enable_ip+0x170/0x2b0
[  138.000050][    C1]  ? rcu_cpu_kthread+0x205/0x1470
[  138.000067][    C1]  rcu_cpu_kthread+0x9e8/0x1470
[  138.000094][    C1]  ? rcu_cpu_kthread+0x205/0x1470
[  138.000124][    C1]  ? __pfx_rcu_cpu_kthread+0x10/0x10
[  138.000144][    C1]  ? schedule+0x90/0x360
[  138.000175][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  138.000203][    C1]  smpboot_thread_fn+0x541/0xa50
[  138.000232][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  138.000270][    C1]  kthread+0x388/0x470
[  138.000290][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.000317][    C1]  ? __pfx_kthread+0x10/0x10
[  138.000339][    C1]  ret_from_fork+0x51e/0xb90
[  138.000368][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  138.000394][    C1]  ? __switch_to+0xc7d/0x1450
[  138.000420][    C1]  ? __pfx_kthread+0x10/0x10
[  138.000442][    C1]  ret_from_fork_asm+0x1a/0x30
[  138.000476][    C1]  </TASK>
[  138.000484][    C1] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  138.000512][    C1] CPU: 1 UID: 0 PID: 28 Comm: rcuc/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.000532][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.000543][    C1] Call Trace:
[  138.000550][    C1]  <TASK>
[  138.000557][    C1]  dump_stack_lvl+0xe8/0x150
[  138.000586][    C1]  f2fs_handle_critical_error+0x354/0x510
[  138.000618][    C1]  f2fs_write_end_io+0xcdb/0xff0
[  138.000660][    C1]  blk_update_request+0x57e/0xe60
[  138.000700][    C1]  blk_mq_end_request+0x3e/0x70
[  138.000727][    C1]  blk_done_softirq+0x10a/0x160
[  138.000753][    C1]  handle_softirqs+0x1de/0x6f0
[  138.000791][    C1]  __local_bh_enable_ip+0x170/0x2b0
[  138.000819][    C1]  ? rcu_cpu_kthread+0x205/0x1470
[  138.000837][    C1]  rcu_cpu_kthread+0x9e8/0x1470
[  138.000864][    C1]  ? rcu_cpu_kthread+0x205/0x1470
[  138.000893][    C1]  ? __pfx_rcu_cpu_kthread+0x10/0x10
[  138.000914][    C1]  ? schedule+0x90/0x360
[  138.000945][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  138.000972][    C1]  smpboot_thread_fn+0x541/0xa50
[  138.001003][    C1]  ? smpboot_thread_fn+0x4d/0xa50
[  138.001039][    C1]  kthread+0x388/0x470
[  138.001060][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.001087][    C1]  ? __pfx_kthread+0x10/0x10
[  138.001109][    C1]  ret_from_fork+0x51e/0xb90
[  138.001138][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  138.001162][    C1]  ? __switch_to+0xc7d/0x1450
[  138.001189][    C1]  ? __pfx_kthread+0x10/0x10
[  138.001211][    C1]  ret_from_fork_asm+0x1a/0x30
[  138.001246][    C1]  </TASK>
[  138.001254][    C1] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  138.054458][ T6204] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  138.062432][ T6206] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  138.097969][ T6204] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
[  138.104156][ T6206] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  138.237589][ T5912] F2FS-fs (loop0): do_checkpoint failed err:-5, stop checkpoint
[  138.331454][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.331482][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.331494][    C0] Call Trace:
[  138.331502][    C0]  <TASK>
[  138.331510][    C0]  dump_stack_lvl+0xe8/0x150
[  138.331545][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.331579][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.331601][    C0]  ? blk_update_request+0x57e/0xe60
[  138.331641][    C0]  blk_update_request+0x57e/0xe60
[  138.331680][    C0]  blk_mq_end_request+0x3e/0x70
[  138.331706][    C0]  blk_done_softirq+0x10a/0x160
[  138.331734][    C0]  handle_softirqs+0x1de/0x6f0
[  138.331770][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.331798][    C0]  run_ksoftirqd+0x52/0x180
[  138.331829][    C0]  smpboot_thread_fn+0x541/0xa50
[  138.331858][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.331896][    C0]  kthread+0x388/0x470
[  138.331917][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.331943][    C0]  ? __pfx_kthread+0x10/0x10
[  138.331964][    C0]  ret_from_fork+0x51e/0xb90
[  138.331994][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  138.332019][    C0]  ? __switch_to+0xc7d/0x1450
[  138.332046][    C0]  ? __pfx_kthread+0x10/0x10
[  138.332067][    C0]  ret_from_fork_asm+0x1a/0x30
[  138.332102][    C0]  </TASK>
[  138.332110][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  138.332148][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.332170][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.332181][    C0] Call Trace:
[  138.332187][    C0]  <TASK>
[  138.332195][    C0]  dump_stack_lvl+0xe8/0x150
[  138.332223][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.332254][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.332291][    C0]  blk_update_request+0x57e/0xe60
[  138.332330][    C0]  blk_mq_end_request+0x3e/0x70
[  138.332355][    C0]  blk_done_softirq+0x10a/0x160
[  138.332382][    C0]  handle_softirqs+0x1de/0x6f0
[  138.332417][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.332444][    C0]  run_ksoftirqd+0x52/0x180
[  138.332473][    C0]  smpboot_thread_fn+0x541/0xa50
[  138.332503][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.332539][    C0]  kthread+0x388/0x470
[  138.332560][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.332586][    C0]  ? __pfx_kthread+0x10/0x10
[  138.332607][    C0]  ret_from_fork+0x51e/0xb90
[  138.332636][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  138.332661][    C0]  ? __switch_to+0xc7d/0x1450
[  138.332688][    C0]  ? __pfx_kthread+0x10/0x10
[  138.332710][    C0]  ret_from_fork_asm+0x1a/0x30
[  138.332744][    C0]  </TASK>
[  138.332751][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  138.332779][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.332800][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.332810][    C0] Call Trace:
[  138.332817][    C0]  <TASK>
[  138.332823][    C0]  dump_stack_lvl+0xe8/0x150
[  138.332851][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.332882][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.332919][    C0]  blk_update_request+0x57e/0xe60
[  138.332957][    C0]  blk_mq_end_request+0x3e/0x70
[  138.332983][    C0]  blk_done_softirq+0x10a/0x160
[  138.333010][    C0]  handle_softirqs+0x1de/0x6f0
[  138.333045][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.333071][    C0]  run_ksoftirqd+0x52/0x180
[  138.333101][    C0]  smpboot_thread_fn+0x541/0xa50
[  138.333136][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.333173][    C0]  kthread+0x388/0x470
[  138.333193][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.333219][    C0]  ? __pfx_kthread+0x10/0x10
[  138.333241][    C0]  ret_from_fork+0x51e/0xb90
[  138.333270][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  138.333295][    C0]  ? __switch_to+0xc7d/0x1450
[  138.333321][    C0]  ? __pfx_kthread+0x10/0x10
[  138.333343][    C0]  ret_from_fork_asm+0x1a/0x30
[  138.333377][    C0]  </TASK>
[  138.333384][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  138.333412][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.333431][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.333441][    C0] Call Trace:
[  138.333448][    C0]  <TASK>
[  138.333455][    C0]  dump_stack_lvl+0xe8/0x150
[  138.333483][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.333515][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.333550][    C0]  blk_update_request+0x57e/0xe60
[  138.333589][    C0]  blk_mq_end_request+0x3e/0x70
[  138.333615][    C0]  blk_done_softirq+0x10a/0x160
[  138.333641][    C0]  handle_softirqs+0x1de/0x6f0
[  138.333676][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.333703][    C0]  run_ksoftirqd+0x52/0x180
[  138.333731][    C0]  smpboot_thread_fn+0x541/0xa50
[  138.333762][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.333798][    C0]  kthread+0x388/0x470
[  138.333819][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.333845][    C0]  ? __pfx_kthread+0x10/0x10
[  138.333866][    C0]  ret_from_fork+0x51e/0xb90
[  138.333895][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  138.333920][    C0]  ? __switch_to+0xc7d/0x1450
[  138.333947][    C0]  ? __pfx_kthread+0x10/0x10
[  138.333968][    C0]  ret_from_fork_asm+0x1a/0x30
[  138.334003][    C0]  </TASK>
[  138.334010][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  138.334037][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.334058][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.334068][    C0] Call Trace:
[  138.334075][    C0]  <TASK>
[  138.334082][    C0]  dump_stack_lvl+0xe8/0x150
[  138.334109][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.334146][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.334183][    C0]  blk_update_request+0x57e/0xe60
[  138.334221][    C0]  blk_mq_end_request+0x3e/0x70
[  138.334247][    C0]  blk_done_softirq+0x10a/0x160
[  138.334273][    C0]  handle_softirqs+0x1de/0x6f0
[  138.334308][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.334336][    C0]  run_ksoftirqd+0x52/0x180
[  138.334365][    C0]  smpboot_thread_fn+0x541/0xa50
[  138.334395][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.334431][    C0]  kthread+0x388/0x470
[  138.334451][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.334478][    C0]  ? __pfx_kthread+0x10/0x10
[  138.334500][    C0]  ret_from_fork+0x51e/0xb90
[  138.334528][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  138.334553][    C0]  ? __switch_to+0xc7d/0x1450
[  138.334580][    C0]  ? __pfx_kthread+0x10/0x10
[  138.334602][    C0]  ret_from_fork_asm+0x1a/0x30
[  138.334635][    C0]  </TASK>
[  138.334642][    C0] F2FS-fs (loop4): Stopped filesystem due to reason: 3
[  138.348651][ T5917] F2FS-fs (loop4): do_checkpoint failed err:-5, stop checkpoint
[  138.448937][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.448964][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.448976][    C0] Call Trace:
[  138.448984][    C0]  <TASK>
[  138.448992][    C0]  dump_stack_lvl+0xe8/0x150
[  138.449028][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.449062][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.449083][    C0]  ? blk_update_request+0x57e/0xe60
[  138.449133][    C0]  blk_update_request+0x57e/0xe60
[  138.449173][    C0]  blk_mq_end_request+0x3e/0x70
[  138.449200][    C0]  blk_done_softirq+0x10a/0x160
[  138.449226][    C0]  handle_softirqs+0x1de/0x6f0
[  138.449263][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.449292][    C0]  run_ksoftirqd+0x52/0x180
[  138.449321][    C0]  smpboot_thread_fn+0x541/0xa50
[  138.449350][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.449387][    C0]  kthread+0x388/0x470
[  138.449409][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.449435][    C0]  ? __pfx_kthread+0x10/0x10
[  138.449457][    C0]  ret_from_fork+0x51e/0xb90
[  138.449487][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  138.449512][    C0]  ? __switch_to+0xc7d/0x1450
[  138.449539][    C0]  ? __pfx_kthread+0x10/0x10
[  138.449561][    C0]  ret_from_fork_asm+0x1a/0x30
[  138.449596][    C0]  </TASK>
[  138.449603][    C0] F2FS-fs (loop3): Stopped filesystem due to reason: 3
[  138.449636][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.449658][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.449668][    C0] Call Trace:
[  138.449675][    C0]  <TASK>
[  138.449682][    C0]  dump_stack_lvl+0xe8/0x150
[  138.449711][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.449741][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.449779][    C0]  blk_update_request+0x57e/0xe60
[  138.449817][    C0]  blk_mq_end_request+0x3e/0x70
[  138.449843][    C0]  blk_done_softirq+0x10a/0x160
[  138.449869][    C0]  handle_softirqs+0x1de/0x6f0
[  138.449905][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.449931][    C0]  run_ksoftirqd+0x52/0x180
[  138.449961][    C0]  smpboot_thread_fn+0x541/0xa50
[  138.449991][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.450027][    C0]  kthread+0x388/0x470
[  138.450047][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.450075][    C0]  ? __pfx_kthread+0x10/0x10
[  138.450096][    C0]  ret_from_fork+0x51e/0xb90
[  138.450130][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  138.450155][    C0]  ? __switch_to+0xc7d/0x1450
[  138.450182][    C0]  ? __pfx_kthread+0x10/0x10
[  138.450203][    C0]  ret_from_fork_asm+0x1a/0x30
[  138.450237][    C0]  </TASK>
[  138.450244][    C0] F2FS-fs (loop3): Stopped filesystem due to reason: 3
[  138.450273][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.450294][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.450304][    C0] Call Trace:
[  138.450311][    C0]  <TASK>
[  138.450318][    C0]  dump_stack_lvl+0xe8/0x150
[  138.450346][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.450376][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.450413][    C0]  blk_update_request+0x57e/0xe60
[  138.450451][    C0]  blk_mq_end_request+0x3e/0x70
[  138.450477][    C0]  blk_done_softirq+0x10a/0x160
[  138.450504][    C0]  handle_softirqs+0x1de/0x6f0
[  138.450538][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.450566][    C0]  run_ksoftirqd+0x52/0x180
[  138.450595][    C0]  smpboot_thread_fn+0x541/0xa50
[  138.450625][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.450661][    C0]  kthread+0x388/0x470
[  138.450682][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.450708][    C0]  ? __pfx_kthread+0x10/0x10
[  138.450728][    C0]  ret_from_fork+0x51e/0xb90
[  138.450758][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  138.450782][    C0]  ? __switch_to+0xc7d/0x1450
[  138.450809][    C0]  ? __pfx_kthread+0x10/0x10
[  138.450831][    C0]  ret_from_fork_asm+0x1a/0x30
[  138.450864][    C0]  </TASK>
[  138.450871][    C0] F2FS-fs (loop3): Stopped filesystem due to reason: 3
[  138.450899][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.450921][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.450932][    C0] Call Trace:
[  138.450939][    C0]  <TASK>
[  138.450946][    C0]  dump_stack_lvl+0xe8/0x150
[  138.450974][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.451005][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.451042][    C0]  blk_update_request+0x57e/0xe60
[  138.451080][    C0]  blk_mq_end_request+0x3e/0x70
[  138.451106][    C0]  blk_done_softirq+0x10a/0x160
[  138.451139][    C0]  handle_softirqs+0x1de/0x6f0
[  138.451173][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.451201][    C0]  run_ksoftirqd+0x52/0x180
[  138.451230][    C0]  smpboot_thread_fn+0x541/0xa50
[  138.451260][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.451296][    C0]  kthread+0x388/0x470
[  138.451316][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.451343][    C0]  ? __pfx_kthread+0x10/0x10
[  138.451364][    C0]  ret_from_fork+0x51e/0xb90
[  138.451393][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  138.451418][    C0]  ? __switch_to+0xc7d/0x1450
[  138.451445][    C0]  ? __pfx_kthread+0x10/0x10
[  138.451466][    C0]  ret_from_fork_asm+0x1a/0x30
[  138.451500][    C0]  </TASK>
[  138.451507][    C0] F2FS-fs (loop3): Stopped filesystem due to reason: 3
[  138.451535][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.451555][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.451565][    C0] Call Trace:
[  138.451572][    C0]  <TASK>
[  138.451579][    C0]  dump_stack_lvl+0xe8/0x150
[  138.451607][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.451637][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.451673][    C0]  blk_update_request+0x57e/0xe60
[  138.451712][    C0]  blk_mq_end_request+0x3e/0x70
[  138.451738][    C0]  blk_done_softirq+0x10a/0x160
[  138.451764][    C0]  handle_softirqs+0x1de/0x6f0
[  138.451800][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.451827][    C0]  run_ksoftirqd+0x52/0x180
[  138.451856][    C0]  smpboot_thread_fn+0x541/0xa50
[  138.451885][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  138.451922][    C0]  kthread+0x388/0x470
[  138.451943][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  138.451969][    C0]  ? __pfx_kthread+0x10/0x10
[  138.451991][    C0]  ret_from_fork+0x51e/0xb90
[  138.452019][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  138.452045][    C0]  ? __switch_to+0xc7d/0x1450
[  138.452070][    C0]  ? __pfx_kthread+0x10/0x10
[  138.452092][    C0]  ret_from_fork_asm+0x1a/0x30
[  138.452131][    C0]  </TASK>
[  138.452138][    C0] F2FS-fs (loop3): Stopped filesystem due to reason: 3
[  138.457816][ T5924] F2FS-fs (loop3): do_checkpoint failed err:-5, stop checkpoint
[  138.468526][    C0] CPU: 0 UID: 0 PID: 5151 Comm: klogd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.468551][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.468562][    C0] Call Trace:
[  138.468570][    C0]  <TASK>
[  138.468578][    C0]  dump_stack_lvl+0xe8/0x150
[  138.468612][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.468646][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.468666][    C0]  ? blk_update_request+0x57e/0xe60
[  138.468707][    C0]  blk_update_request+0x57e/0xe60
[  138.468745][    C0]  blk_mq_end_request+0x3e/0x70
[  138.468771][    C0]  blk_done_softirq+0x10a/0x160
[  138.468799][    C0]  handle_softirqs+0x1de/0x6f0
[  138.468837][    C0]  __local_bh_enable_ip+0x170/0x2b0
[  138.468864][    C0]  ? __alloc_skb+0x186/0x7d0
[  138.468888][    C0]  __alloc_skb+0x1aa/0x7d0
[  138.468917][    C0]  alloc_skb_with_frags+0xca/0x890
[  138.468944][    C0]  ? kasan_save_track+0x4f/0x80
[  138.468969][    C0]  ? kasan_save_track+0x3e/0x80
[  138.468993][    C0]  ? kasan_save_free_info+0x46/0x50
[  138.469014][    C0]  ? __kasan_slab_free+0x5c/0x80
[  138.469039][    C0]  ? kfree+0x1c1/0x6c0
[  138.469062][    C0]  ? syslog_print+0x57c/0x610
[  138.469083][    C0]  ? do_syslog+0x583/0x7d0
[  138.469102][    C0]  ? __x64_sys_syslog+0x7c/0x90
[  138.469133][    C0]  sock_alloc_send_pskb+0x884/0x9a0
[  138.469180][    C0]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[  138.469215][    C0]  ? smack_socket_getpeersec_dgram+0x320/0x430
[  138.469252][    C0]  unix_dgram_sendmsg+0x460/0x18e0
[  138.469277][    C0]  ? lockdep_hardirqs_on+0x7a/0x110
[  138.469308][    C0]  ? __pfx_smack_socket_sendmsg+0x10/0x10
[  138.469335][    C0]  ? kfree+0x1c1/0x6c0
[  138.469365][    C0]  ? syslog_print+0x57c/0x610
[  138.469392][    C0]  ? __pfx_unix_dgram_sendmsg+0x10/0x10
[  138.469415][    C0]  ? tomoyo_socket_sendmsg_permission+0x1e0/0x300
[  138.469456][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x20
[  138.469487][    C0]  __sys_sendto+0x72a/0x7d0
[  138.469518][    C0]  ? __pfx___sys_sendto+0x10/0x10
[  138.469539][    C0]  ? smack_syslog+0x95/0xf0
[  138.469587][    C0]  ? rcu_is_watching+0x15/0xb0
[  138.469615][    C0]  __x64_sys_sendto+0xde/0x100
[  138.469642][    C0]  do_syscall_64+0x14d/0xf80
[  138.469669][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.469689][    C0]  ? clear_bhb_loop+0x40/0x90
[  138.469712][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.469731][    C0] RIP: 0033:0x7fa3da04c407
[  138.469750][    C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  138.469767][    C0] RSP: 002b:00007ffd8bf70080 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  138.469788][    C0] RAX: ffffffffffffffda RBX: 00007fa3d9efcc80 RCX: 00007fa3da04c407
[  138.469801][    C0] RDX: 0000000000000087 RSI: 00007ffd8bf701c0 RDI: 0000000000000003
[  138.469814][    C0] RBP: 00007ffd8bf705f0 R08: 0000000000000000 R09: 0000000000000000
[  138.469826][    C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd8bf70608
[  138.469838][    C0] R13: 00007ffd8bf701c0 R14: 000000000000006c R15: 00007ffd8bf701c0
[  138.469868][    C0]  </TASK>
[  138.469875][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  138.469909][    C0] CPU: 0 UID: 0 PID: 5151 Comm: klogd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.469929][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.469940][    C0] Call Trace:
[  138.469947][    C0]  <TASK>
[  138.469954][    C0]  dump_stack_lvl+0xe8/0x150
[  138.469982][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.470014][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.470049][    C0]  blk_update_request+0x57e/0xe60
[  138.470088][    C0]  blk_mq_end_request+0x3e/0x70
[  138.470119][    C0]  blk_done_softirq+0x10a/0x160
[  138.470145][    C0]  handle_softirqs+0x1de/0x6f0
[  138.470182][    C0]  __local_bh_enable_ip+0x170/0x2b0
[  138.470208][    C0]  ? __alloc_skb+0x186/0x7d0
[  138.470231][    C0]  __alloc_skb+0x1aa/0x7d0
[  138.470258][    C0]  alloc_skb_with_frags+0xca/0x890
[  138.470286][    C0]  ? kasan_save_track+0x4f/0x80
[  138.470311][    C0]  ? kasan_save_track+0x3e/0x80
[  138.470333][    C0]  ? kasan_save_free_info+0x46/0x50
[  138.470354][    C0]  ? __kasan_slab_free+0x5c/0x80
[  138.470379][    C0]  ? kfree+0x1c1/0x6c0
[  138.470402][    C0]  ? syslog_print+0x57c/0x610
[  138.470421][    C0]  ? do_syslog+0x583/0x7d0
[  138.470440][    C0]  ? __x64_sys_syslog+0x7c/0x90
[  138.470465][    C0]  sock_alloc_send_pskb+0x884/0x9a0
[  138.470510][    C0]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[  138.470544][    C0]  ? smack_socket_getpeersec_dgram+0x320/0x430
[  138.470581][    C0]  unix_dgram_sendmsg+0x460/0x18e0
[  138.470606][    C0]  ? lockdep_hardirqs_on+0x7a/0x110
[  138.470634][    C0]  ? __pfx_smack_socket_sendmsg+0x10/0x10
[  138.470661][    C0]  ? kfree+0x1c1/0x6c0
[  138.470692][    C0]  ? syslog_print+0x57c/0x610
[  138.470719][    C0]  ? __pfx_unix_dgram_sendmsg+0x10/0x10
[  138.470742][    C0]  ? tomoyo_socket_sendmsg_permission+0x1e0/0x300
[  138.470782][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x20
[  138.470812][    C0]  __sys_sendto+0x72a/0x7d0
[  138.470841][    C0]  ? __pfx___sys_sendto+0x10/0x10
[  138.470863][    C0]  ? smack_syslog+0x95/0xf0
[  138.470911][    C0]  ? rcu_is_watching+0x15/0xb0
[  138.470936][    C0]  __x64_sys_sendto+0xde/0x100
[  138.470964][    C0]  do_syscall_64+0x14d/0xf80
[  138.470990][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.471009][    C0]  ? clear_bhb_loop+0x40/0x90
[  138.471032][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.471052][    C0] RIP: 0033:0x7fa3da04c407
[  138.471067][    C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  138.471083][    C0] RSP: 002b:00007ffd8bf70080 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  138.471100][    C0] RAX: ffffffffffffffda RBX: 00007fa3d9efcc80 RCX: 00007fa3da04c407
[  138.471119][    C0] RDX: 0000000000000087 RSI: 00007ffd8bf701c0 RDI: 0000000000000003
[  138.471132][    C0] RBP: 00007ffd8bf705f0 R08: 0000000000000000 R09: 0000000000000000
[  138.471144][    C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd8bf70608
[  138.471156][    C0] R13: 00007ffd8bf701c0 R14: 000000000000006c R15: 00007ffd8bf701c0
[  138.471186][    C0]  </TASK>
[  138.471194][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  138.471222][    C0] CPU: 0 UID: 0 PID: 5151 Comm: klogd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.471242][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.471253][    C0] Call Trace:
[  138.471260][    C0]  <TASK>
[  138.471267][    C0]  dump_stack_lvl+0xe8/0x150
[  138.471295][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.471325][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.471361][    C0]  blk_update_request+0x57e/0xe60
[  138.471399][    C0]  blk_mq_end_request+0x3e/0x70
[  138.471425][    C0]  blk_done_softirq+0x10a/0x160
[  138.471451][    C0]  handle_softirqs+0x1de/0x6f0
[  138.471487][    C0]  __local_bh_enable_ip+0x170/0x2b0
[  138.471512][    C0]  ? __alloc_skb+0x186/0x7d0
[  138.471536][    C0]  __alloc_skb+0x1aa/0x7d0
[  138.471563][    C0]  alloc_skb_with_frags+0xca/0x890
[  138.471591][    C0]  ? kasan_save_track+0x4f/0x80
[  138.471615][    C0]  ? kasan_save_track+0x3e/0x80
[  138.471638][    C0]  ? kasan_save_free_info+0x46/0x50
[  138.471659][    C0]  ? __kasan_slab_free+0x5c/0x80
[  138.471683][    C0]  ? kfree+0x1c1/0x6c0
[  138.471706][    C0]  ? syslog_print+0x57c/0x610
[  138.471725][    C0]  ? do_syslog+0x583/0x7d0
[  138.471745][    C0]  ? __x64_sys_syslog+0x7c/0x90
[  138.471769][    C0]  sock_alloc_send_pskb+0x884/0x9a0
[  138.471814][    C0]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[  138.471848][    C0]  ? smack_socket_getpeersec_dgram+0x320/0x430
[  138.471884][    C0]  unix_dgram_sendmsg+0x460/0x18e0
[  138.471909][    C0]  ? lockdep_hardirqs_on+0x7a/0x110
[  138.471937][    C0]  ? __pfx_smack_socket_sendmsg+0x10/0x10
[  138.471964][    C0]  ? kfree+0x1c1/0x6c0
[  138.471995][    C0]  ? syslog_print+0x57c/0x610
[  138.472021][    C0]  ? __pfx_unix_dgram_sendmsg+0x10/0x10
[  138.472045][    C0]  ? tomoyo_socket_sendmsg_permission+0x1e0/0x300
[  138.472085][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x20
[  138.472119][    C0]  __sys_sendto+0x72a/0x7d0
[  138.472149][    C0]  ? __pfx___sys_sendto+0x10/0x10
[  138.472171][    C0]  ? smack_syslog+0x95/0xf0
[  138.472218][    C0]  ? rcu_is_watching+0x15/0xb0
[  138.472245][    C0]  __x64_sys_sendto+0xde/0x100
[  138.472272][    C0]  do_syscall_64+0x14d/0xf80
[  138.472298][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.472317][    C0]  ? clear_bhb_loop+0x40/0x90
[  138.472341][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.472360][    C0] RIP: 0033:0x7fa3da04c407
[  138.472376][    C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  138.472391][    C0] RSP: 002b:00007ffd8bf70080 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  138.472409][    C0] RAX: ffffffffffffffda RBX: 00007fa3d9efcc80 RCX: 00007fa3da04c407
[  138.472423][    C0] RDX: 0000000000000087 RSI: 00007ffd8bf701c0 RDI: 0000000000000003
[  138.472435][    C0] RBP: 00007ffd8bf705f0 R08: 0000000000000000 R09: 0000000000000000
[  138.472447][    C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd8bf70608
[  138.472460][    C0] R13: 00007ffd8bf701c0 R14: 000000000000006c R15: 00007ffd8bf701c0
[  138.472489][    C0]  </TASK>
[  138.472496][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  138.472524][    C0] CPU: 0 UID: 0 PID: 5151 Comm: klogd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.472545][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.472555][    C0] Call Trace:
[  138.472561][    C0]  <TASK>
[  138.472568][    C0]  dump_stack_lvl+0xe8/0x150
[  138.472596][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.472627][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.472662][    C0]  blk_update_request+0x57e/0xe60
[  138.472700][    C0]  blk_mq_end_request+0x3e/0x70
[  138.472726][    C0]  blk_done_softirq+0x10a/0x160
[  138.472752][    C0]  handle_softirqs+0x1de/0x6f0
[  138.472788][    C0]  __local_bh_enable_ip+0x170/0x2b0
[  138.472814][    C0]  ? __alloc_skb+0x186/0x7d0
[  138.472837][    C0]  __alloc_skb+0x1aa/0x7d0
[  138.472865][    C0]  alloc_skb_with_frags+0xca/0x890
[  138.472892][    C0]  ? kasan_save_track+0x4f/0x80
[  138.472916][    C0]  ? kasan_save_track+0x3e/0x80
[  138.472940][    C0]  ? kasan_save_free_info+0x46/0x50
[  138.472960][    C0]  ? __kasan_slab_free+0x5c/0x80
[  138.472985][    C0]  ? kfree+0x1c1/0x6c0
[  138.473007][    C0]  ? syslog_print+0x57c/0x610
[  138.473027][    C0]  ? do_syslog+0x583/0x7d0
[  138.473046][    C0]  ? __x64_sys_syslog+0x7c/0x90
[  138.473070][    C0]  sock_alloc_send_pskb+0x884/0x9a0
[  138.473120][    C0]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[  138.473154][    C0]  ? smack_socket_getpeersec_dgram+0x320/0x430
[  138.473190][    C0]  unix_dgram_sendmsg+0x460/0x18e0
[  138.473215][    C0]  ? lockdep_hardirqs_on+0x7a/0x110
[  138.473244][    C0]  ? __pfx_smack_socket_sendmsg+0x10/0x10
[  138.473271][    C0]  ? kfree+0x1c1/0x6c0
[  138.473300][    C0]  ? syslog_print+0x57c/0x610
[  138.473327][    C0]  ? __pfx_unix_dgram_sendmsg+0x10/0x10
[  138.473350][    C0]  ? tomoyo_socket_sendmsg_permission+0x1e0/0x300
[  138.473390][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x20
[  138.473420][    C0]  __sys_sendto+0x72a/0x7d0
[  138.473449][    C0]  ? __pfx___sys_sendto+0x10/0x10
[  138.473471][    C0]  ? smack_syslog+0x95/0xf0
[  138.473517][    C0]  ? rcu_is_watching+0x15/0xb0
[  138.473544][    C0]  __x64_sys_sendto+0xde/0x100
[  138.473573][    C0]  do_syscall_64+0x14d/0xf80
[  138.473597][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.473616][    C0]  ? clear_bhb_loop+0x40/0x90
[  138.473640][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.473659][    C0] RIP: 0033:0x7fa3da04c407
[  138.473675][    C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  138.473691][    C0] RSP: 002b:00007ffd8bf70080 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  138.473708][    C0] RAX: ffffffffffffffda RBX: 00007fa3d9efcc80 RCX: 00007fa3da04c407
[  138.473722][    C0] RDX: 0000000000000087 RSI: 00007ffd8bf701c0 RDI: 0000000000000003
[  138.473734][    C0] RBP: 00007ffd8bf705f0 R08: 0000000000000000 R09: 0000000000000000
[  138.473746][    C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd8bf70608
[  138.473759][    C0] R13: 00007ffd8bf701c0 R14: 000000000000006c R15: 00007ffd8bf701c0
[  138.473787][    C0]  </TASK>
[  138.473794][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  138.473822][    C0] CPU: 0 UID: 0 PID: 5151 Comm: klogd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  138.473843][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  138.473854][    C0] Call Trace:
[  138.473860][    C0]  <TASK>
[  138.473867][    C0]  dump_stack_lvl+0xe8/0x150
[  138.473895][    C0]  f2fs_handle_critical_error+0x354/0x510
[  138.473926][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  138.473962][    C0]  blk_update_request+0x57e/0xe60
[  138.474000][    C0]  blk_mq_end_request+0x3e/0x70
[  138.474026][    C0]  blk_done_softirq+0x10a/0x160
[  138.474052][    C0]  handle_softirqs+0x1de/0x6f0
[  138.474088][    C0]  __local_bh_enable_ip+0x170/0x2b0
[  138.474119][    C0]  ? __alloc_skb+0x186/0x7d0
[  138.474142][    C0]  __alloc_skb+0x1aa/0x7d0
[  138.474170][    C0]  alloc_skb_with_frags+0xca/0x890
[  138.474198][    C0]  ? kasan_save_track+0x4f/0x80
[  138.474222][    C0]  ? kasan_save_track+0x3e/0x80
[  138.474245][    C0]  ? kasan_save_free_info+0x46/0x50
[  138.474266][    C0]  ? __kasan_slab_free+0x5c/0x80
[  138.474290][    C0]  ? kfree+0x1c1/0x6c0
[  138.474313][    C0]  ? syslog_print+0x57c/0x610
[  138.474333][    C0]  ? do_syslog+0x583/0x7d0
[  138.474351][    C0]  ? __x64_sys_syslog+0x7c/0x90
[  138.474377][    C0]  sock_alloc_send_pskb+0x884/0x9a0
[  138.474421][    C0]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[  138.474456][    C0]  ? smack_socket_getpeersec_dgram+0x320/0x430
[  138.474489][    C0]  unix_dgram_sendmsg+0x460/0x18e0
[  138.474514][    C0]  ? lockdep_hardirqs_on+0x7a/0x110
[  138.474543][    C0]  ? __pfx_smack_socket_sendmsg+0x10/0x10
[  138.474569][    C0]  ? kfree+0x1c1/0x6c0
[  138.474596][    C0]  ? syslog_print+0x57c/0x610
[  138.474622][    C0]  ? __pfx_unix_dgram_sendmsg+0x10/0x10
[  138.474645][    C0]  ? tomoyo_socket_sendmsg_permission+0x1e0/0x300
[  138.474685][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x20
[  138.474715][    C0]  __sys_sendto+0x72a/0x7d0
[  138.474743][    C0]  ? __pfx___sys_sendto+0x10/0x10
[  138.474765][    C0]  ? smack_syslog+0x95/0xf0
[  138.474813][    C0]  ? rcu_is_watching+0x15/0xb0
[  138.474839][    C0]  __x64_sys_sendto+0xde/0x100
[  138.474867][    C0]  do_syscall_64+0x14d/0xf80
[  138.474892][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.474911][    C0]  ? clear_bhb_loop+0x40/0x90
[  138.474934][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.474953][    C0] RIP: 0033:0x7fa3da04c407
[  138.474969][    C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  138.474984][    C0] RSP: 002b:00007ffd8bf70080 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  138.475002][    C0] RAX: ffffffffffffffda RBX: 00007fa3d9efcc80 RCX: 00007fa3da04c407
[  138.475016][    C0] RDX: 0000000000000087 RSI: 00007ffd8bf701c0 RDI: 0000000000000003
[  138.475028][    C0] RBP: 00007ffd8bf705f0 R08: 0000000000000000 R09: 0000000000000000
[  138.475040][    C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd8bf70608
[  138.475052][    C0] R13: 00007ffd8bf701c0 R14: 000000000000006c R15: 00007ffd8bf701c0
[  138.475082][    C0]  </TASK>
[  138.501217][    C0] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  138.508727][ T5915] F2FS-fs (loop1): do_checkpoint failed err:-5, stop checkpoint
[  141.304773][ T6217] loop2: detected capacity change from 0 to 40427
[  141.316287][ T6217] F2FS-fs: heap/no_heap options were deprecated
[  141.359617][ T6217] F2FS-fs (loop2): build fault injection rate: 19
[  141.359637][ T6217] F2FS-fs (loop2): build fault injection type: 0x3bfe8c
[  141.360979][ T6217] F2FS-fs (loop2): invalid crc value
[  141.898180][ T6218] loop0: detected capacity change from 0 to 40427
[  141.899454][ T6218] F2FS-fs: heap/no_heap options were deprecated
[  141.914758][ T6217] f2fs_printk: 6 callbacks suppressed
[  141.914774][ T6217] F2FS-fs (loop2): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  141.914965][ T6218] F2FS-fs (loop0): build fault injection rate: 19
[  141.914979][ T6218] F2FS-fs (loop0): build fault injection type: 0x3bfe8c
[  141.948198][ T6218] F2FS-fs (loop0): invalid crc value
[  142.003243][ T6217] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  142.038619][ T6217] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  142.041621][ T6218] F2FS-fs (loop0): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  142.121405][ T6220] loop4: detected capacity change from 0 to 40427
[  142.137096][ T6220] F2FS-fs: heap/no_heap options were deprecated
[  142.174665][ T6220] F2FS-fs (loop4): build fault injection rate: 19
[  142.174686][ T6220] F2FS-fs (loop4): build fault injection type: 0x3bfe8c
[  142.188181][ T6220] F2FS-fs (loop4): invalid crc value
[  142.196757][ T6219] loop3: detected capacity change from 0 to 40427
[  142.199274][ T6219] F2FS-fs: heap/no_heap options were deprecated
[  142.211601][ T6219] F2FS-fs (loop3): build fault injection rate: 19
[  142.211618][ T6219] F2FS-fs (loop3): build fault injection type: 0x3bfe8c
[  142.220379][ T6219] F2FS-fs (loop3): invalid crc value
[  142.291517][ T6218] F2FS-fs (loop0): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  142.292749][ T6220] F2FS-fs (loop4): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  142.296443][ T6219] F2FS-fs (loop3): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  142.297407][    C0] F2FS-fs (loop2): inject write IO error in f2fs_write_end_io of blk_update_request+0x57e/0xe60
[  142.297472][    C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  142.297494][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  142.297505][    C0] Call Trace:
[  142.297513][    C0]  <TASK>
[  142.297521][    C0]  dump_stack_lvl+0xe8/0x150
[  142.297553][    C0]  f2fs_handle_critical_error+0x354/0x510
[  142.297588][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  142.297607][    C0]  ? blk_update_request+0x57e/0xe60
[  142.297648][    C0]  blk_update_request+0x57e/0xe60
[  142.297686][    C0]  blk_mq_end_request+0x3e/0x70
[  142.297711][    C0]  blk_done_softirq+0x10a/0x160
[  142.297739][    C0]  handle_softirqs+0x1de/0x6f0
[  142.297775][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.297802][    C0]  run_ktimerd+0x69/0x100
[  142.297831][    C0]  smpboot_thread_fn+0x541/0xa50
[  142.297868][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.297904][    C0]  kthread+0x388/0x470
[  142.297925][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  142.297952][    C0]  ? __pfx_kthread+0x10/0x10
[  142.297974][    C0]  ret_from_fork+0x51e/0xb90
[  142.298003][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  142.298027][    C0]  ? __switch_to+0xc7d/0x1450
[  142.298054][    C0]  ? __pfx_kthread+0x10/0x10
[  142.298076][    C0]  ret_from_fork_asm+0x1a/0x30
[  142.298110][    C0]  </TASK>
[  142.298126][    C0] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  142.298162][    C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  142.298183][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  142.298192][    C0] Call Trace:
[  142.298198][    C0]  <TASK>
[  142.298205][    C0]  dump_stack_lvl+0xe8/0x150
[  142.298233][    C0]  f2fs_handle_critical_error+0x354/0x510
[  142.298264][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  142.298300][    C0]  blk_update_request+0x57e/0xe60
[  142.298339][    C0]  blk_mq_end_request+0x3e/0x70
[  142.298365][    C0]  blk_done_softirq+0x10a/0x160
[  142.298391][    C0]  handle_softirqs+0x1de/0x6f0
[  142.298425][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.298452][    C0]  run_ktimerd+0x69/0x100
[  142.298480][    C0]  smpboot_thread_fn+0x541/0xa50
[  142.298509][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.298546][    C0]  kthread+0x388/0x470
[  142.298566][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  142.298592][    C0]  ? __pfx_kthread+0x10/0x10
[  142.298612][    C0]  ret_from_fork+0x51e/0xb90
[  142.298636][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  142.298661][    C0]  ? __switch_to+0xc7d/0x1450
[  142.298687][    C0]  ? __pfx_kthread+0x10/0x10
[  142.298709][    C0]  ret_from_fork_asm+0x1a/0x30
[  142.298742][    C0]  </TASK>
[  142.298749][    C0] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  142.298778][    C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  142.298797][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  142.298808][    C0] Call Trace:
[  142.298814][    C0]  <TASK>
[  142.298821][    C0]  dump_stack_lvl+0xe8/0x150
[  142.298857][    C0]  f2fs_handle_critical_error+0x354/0x510
[  142.298888][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  142.298925][    C0]  blk_update_request+0x57e/0xe60
[  142.298963][    C0]  blk_mq_end_request+0x3e/0x70
[  142.298989][    C0]  blk_done_softirq+0x10a/0x160
[  142.299015][    C0]  handle_softirqs+0x1de/0x6f0
[  142.299050][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.299077][    C0]  run_ktimerd+0x69/0x100
[  142.299105][    C0]  smpboot_thread_fn+0x541/0xa50
[  142.299134][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.299171][    C0]  kthread+0x388/0x470
[  142.299190][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  142.299217][    C0]  ? __pfx_kthread+0x10/0x10
[  142.299238][    C0]  ret_from_fork+0x51e/0xb90
[  142.299267][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  142.299292][    C0]  ? __switch_to+0xc7d/0x1450
[  142.299318][    C0]  ? __pfx_kthread+0x10/0x10
[  142.299339][    C0]  ret_from_fork_asm+0x1a/0x30
[  142.299373][    C0]  </TASK>
[  142.299380][    C0] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  142.299408][    C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  142.299427][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  142.299438][    C0] Call Trace:
[  142.299445][    C0]  <TASK>
[  142.299452][    C0]  dump_stack_lvl+0xe8/0x150
[  142.299479][    C0]  f2fs_handle_critical_error+0x354/0x510
[  142.299510][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  142.299547][    C0]  blk_update_request+0x57e/0xe60
[  142.299585][    C0]  blk_mq_end_request+0x3e/0x70
[  142.299611][    C0]  blk_done_softirq+0x10a/0x160
[  142.299637][    C0]  handle_softirqs+0x1de/0x6f0
[  142.299672][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.299699][    C0]  run_ktimerd+0x69/0x100
[  142.299727][    C0]  smpboot_thread_fn+0x541/0xa50
[  142.299757][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.299794][    C0]  kthread+0x388/0x470
[  142.299813][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  142.299844][    C0]  ? __pfx_kthread+0x10/0x10
[  142.299866][    C0]  ret_from_fork+0x51e/0xb90
[  142.299896][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  142.299921][    C0]  ? __switch_to+0xc7d/0x1450
[  142.299947][    C0]  ? __pfx_kthread+0x10/0x10
[  142.299969][    C0]  ret_from_fork_asm+0x1a/0x30
[  142.300003][    C0]  </TASK>
[  142.300010][    C0] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  142.300036][    C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  142.300056][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  142.300067][    C0] Call Trace:
[  142.300073][    C0]  <TASK>
[  142.300080][    C0]  dump_stack_lvl+0xe8/0x150
[  142.300108][    C0]  f2fs_handle_critical_error+0x354/0x510
[  142.300139][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  142.300175][    C0]  blk_update_request+0x57e/0xe60
[  142.300214][    C0]  blk_mq_end_request+0x3e/0x70
[  142.300239][    C0]  blk_done_softirq+0x10a/0x160
[  142.300265][    C0]  handle_softirqs+0x1de/0x6f0
[  142.300300][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.300327][    C0]  run_ktimerd+0x69/0x100
[  142.300354][    C0]  smpboot_thread_fn+0x541/0xa50
[  142.300384][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.300421][    C0]  kthread+0x388/0x470
[  142.300441][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  142.300467][    C0]  ? __pfx_kthread+0x10/0x10
[  142.300489][    C0]  ret_from_fork+0x51e/0xb90
[  142.300518][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  142.300542][    C0]  ? __switch_to+0xc7d/0x1450
[  142.300569][    C0]  ? __pfx_kthread+0x10/0x10
[  142.300591][    C0]  ret_from_fork_asm+0x1a/0x30
[  142.300624][    C0]  </TASK>
[  142.300631][    C0] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  142.319149][ T5918] F2FS-fs (loop2): do_checkpoint failed err:-5, stop checkpoint
[  142.346960][ T6218] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  142.406853][ T6218] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  142.430696][ T6221] loop1: detected capacity change from 0 to 40427
[  142.448641][ T6221] F2FS-fs: heap/no_heap options were deprecated
[  142.477434][ T6221] F2FS-fs (loop1): build fault injection rate: 19
[  142.477455][ T6221] F2FS-fs (loop1): build fault injection type: 0x3bfe8c
[  142.478956][ T6221] F2FS-fs (loop1): invalid crc value
[  142.515898][ T6221] F2FS-fs (loop1): inject page alloc in f2fs_grab_cache_folio of f2fs_build_free_nids+0x9d8/0x1810
[  142.825596][    C0] F2FS-fs (loop0): inject write IO error in f2fs_write_end_io of blk_update_request+0x57e/0xe60
[  142.825746][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  142.825769][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  142.825780][    C0] Call Trace:
[  142.825796][    C0]  <TASK>
[  142.825804][    C0]  dump_stack_lvl+0xe8/0x150
[  142.825836][    C0]  f2fs_handle_critical_error+0x354/0x510
[  142.825868][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  142.825889][    C0]  ? blk_update_request+0x57e/0xe60
[  142.825930][    C0]  blk_update_request+0x57e/0xe60
[  142.825968][    C0]  blk_mq_end_request+0x3e/0x70
[  142.825994][    C0]  blk_done_softirq+0x10a/0x160
[  142.826022][    C0]  handle_softirqs+0x1de/0x6f0
[  142.826059][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.826086][    C0]  run_ksoftirqd+0x52/0x180
[  142.826116][    C0]  smpboot_thread_fn+0x541/0xa50
[  142.826147][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.826182][    C0]  kthread+0x388/0x470
[  142.826204][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  142.826230][    C0]  ? __pfx_kthread+0x10/0x10
[  142.826252][    C0]  ret_from_fork+0x51e/0xb90
[  142.826282][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  142.826305][    C0]  ? __switch_to+0xc7d/0x1450
[  142.826333][    C0]  ? __pfx_kthread+0x10/0x10
[  142.826353][    C0]  ret_from_fork_asm+0x1a/0x30
[  142.826388][    C0]  </TASK>
[  142.826458][    C0] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  142.826493][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  142.826515][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  142.826525][    C0] Call Trace:
[  142.826532][    C0]  <TASK>
[  142.826539][    C0]  dump_stack_lvl+0xe8/0x150
[  142.826568][    C0]  f2fs_handle_critical_error+0x354/0x510
[  142.826598][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  142.826636][    C0]  blk_update_request+0x57e/0xe60
[  142.826674][    C0]  blk_mq_end_request+0x3e/0x70
[  142.826700][    C0]  blk_done_softirq+0x10a/0x160
[  142.826727][    C0]  handle_softirqs+0x1de/0x6f0
[  142.826762][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.826794][    C0]  run_ksoftirqd+0x52/0x180
[  142.826824][    C0]  smpboot_thread_fn+0x541/0xa50
[  142.826854][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.826891][    C0]  kthread+0x388/0x470
[  142.826911][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  142.826938][    C0]  ? __pfx_kthread+0x10/0x10
[  142.826960][    C0]  ret_from_fork+0x51e/0xb90
[  142.826989][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  142.827014][    C0]  ? __switch_to+0xc7d/0x1450
[  142.827041][    C0]  ? __pfx_kthread+0x10/0x10
[  142.827063][    C0]  ret_from_fork_asm+0x1a/0x30
[  142.827096][    C0]  </TASK>
[  142.827104][    C0] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  142.827132][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  142.827152][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  142.827163][    C0] Call Trace:
[  142.827170][    C0]  <TASK>
[  142.827177][    C0]  dump_stack_lvl+0xe8/0x150
[  142.827204][    C0]  f2fs_handle_critical_error+0x354/0x510
[  142.827235][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  142.827272][    C0]  blk_update_request+0x57e/0xe60
[  142.827308][    C0]  blk_mq_end_request+0x3e/0x70
[  142.827333][    C0]  blk_done_softirq+0x10a/0x160
[  142.827358][    C0]  handle_softirqs+0x1de/0x6f0
[  142.827393][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.827421][    C0]  run_ksoftirqd+0x52/0x180
[  142.827450][    C0]  smpboot_thread_fn+0x541/0xa50
[  142.827479][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.827516][    C0]  kthread+0x388/0x470
[  142.827537][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  142.827563][    C0]  ? __pfx_kthread+0x10/0x10
[  142.827584][    C0]  ret_from_fork+0x51e/0xb90
[  142.827613][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  142.827638][    C0]  ? __switch_to+0xc7d/0x1450
[  142.827664][    C0]  ? __pfx_kthread+0x10/0x10
[  142.827685][    C0]  ret_from_fork_asm+0x1a/0x30
[  142.827720][    C0]  </TASK>
[  142.839766][    C0] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  142.839824][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  142.839847][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  142.839858][    C0] Call Trace:
[  142.839865][    C0]  <TASK>
[  142.839873][    C0]  dump_stack_lvl+0xe8/0x150
[  142.839907][    C0]  f2fs_handle_critical_error+0x354/0x510
[  142.839941][    C0]  f2fs_write_end_io+0xcdb/0xff0
[  142.839978][    C0]  blk_update_request+0x57e/0xe60
[  142.840019][    C0]  blk_mq_end_request+0x3e/0x70
[  142.840045][    C0]  blk_done_softirq+0x10a/0x160
[  142.840073][    C0]  handle_softirqs+0x1de/0x6f0
[  142.840108][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.840137][    C0]  run_ksoftirqd+0x52/0x180
[  142.840166][    C0]  smpboot_thread_fn+0x541/0xa50
[  142.840197][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.840232][    C0]  kthread+0x388/0x470
[  142.840253][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  142.840280][    C0]  ? __pfx_kthread+0x10/0x10
[  142.840300][    C0]  ret_from_fork+0x51e/0xb90
[  142.840328][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  142.840354][    C0]  ? __switch_to+0xc7d/0x1450
[  142.840381][    C0]  ? __pfx_kthread+0x10/0x10
[  142.840402][    C0]  ret_from_fork_asm+0x1a/0x30
[  142.840437][    C0]  </TASK>
[  142.840444][    C0] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  142.840474][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  142.840495][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  142.840506][    C0] Call Trace:
[  142.840513][    C0]  <TASK>
[  142.840520][    C0]  dump_stack_lvl+0xe8/0x150
[  142.840547][    C0]  f2fs_handle_critical_error+0x354/0x510
[  142.840579][    C0]  f2fs_write_end_io+0xcdb/0xff0
2026/03/05 02:41:59 executed programs: 58
[  142.840615][    C0]  blk_update_request+0x57e/0xe60
[  142.840653][    C0]  blk_mq_end_request+0x3e/0x70
[  142.840680][    C0]  blk_done_softirq+0x10a/0x160
[  142.840706][    C0]  handle_softirqs+0x1de/0x6f0
[  142.840738][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.840766][    C0]  run_ksoftirqd+0x52/0x180
[  142.840800][    C0]  smpboot_thread_fn+0x541/0xa50
[  142.840830][    C0]  ? smpboot_thread_fn+0x4d/0xa50
[  142.840866][    C0]  kthread+0x388/0x470
[  142.840887][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  142.840914][    C0]  ? __pfx_kthread+0x10/0x10
[  142.840935][    C0]  ret_from_fork+0x51e/0xb90
[  142.840964][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  142.840989][    C0]  ? __switch_to+0xc7d/0x1450
[  142.841016][    C0]  ? __pfx_kthread+0x10/0x10
[  142.841037][    C0]  ret_from_fork_asm+0x1a/0x30
[  142.841071][    C0]  </TASK>
[  142.841078][    C0] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  142.846148][ T5912] F2FS-fs (loop0): do_checkpoint failed err:-5, stop checkpoint
[  143.257680][ T6220] F2FS-fs (loop4): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  143.285967][ T6219] F2FS-fs (loop3): inject slab alloc in f2fs_kmem_cache_alloc of read_node_folio+0x221/0x410
[  143.500390][ T6219] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  143.504004][ T6220] F2FS-fs (loop4): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  143.565599][ T6219] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
[  143.580725][ T6220] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
[  143.590672][ T6221] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  143.638565][ T6221] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  143.957261][    C0] Oops: general protection [  143.957261][    C0] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
[  143.957284][    C0] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[  143.957301][    C0] CPU: 0 UID: 0 PID: 6089 Comm: kworker/0:5 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  143.957322][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  143.957332][    C0] Workqueue: rcu_gp srcu_invoke_callbacks
[  143.957356][    C0] RIP: 0010:f2fs_in_warm_node_list+0xbd/0x290
[  143.957382][    C0] Code: 00 00 4d 03 3c 24 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 a1 a4 fd fd 4d 8b 3f 49 83 c7 30 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 84 a4 fd fd 4d 3b 37 74 19 e8 0a
[  143.957398][    C0] RSP: 0018:ffffc900040f7608 EFLAGS: 00010206
[  143.957413][    C0] RAX: 0000000000000006 RBX: ffffea0000d57780 RCX: ffff88802885bd00
[  143.957426][    C0] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
[  143.957437][    C0] RBP: ffffea0000d57798 R08: ffff888026a33d2b R09: 1ffff11004d467a5
[  143.957449][    C0] R10: dffffc0000000000 R11: ffffed1004d467a6 R12: ffff888023f5c798
[  143.957462][    C0] R13: dffffc0000000000 R14: ffff888060578c10 R15: 0000000000000030
[  143.957476][    C0] FS:  0000000000000000(0000) GS:ffff888126340000(0000) knlGS:0000000000000000
[  143.957491][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  143.957504][    C0] CR2: 0000564692218fa0 CR3: 0000000045dba000 CR4: 00000000003526f0
[  143.957521][    C0] Call Trace:
[  143.957529][    C0]  <TASK>
[  143.957539][    C0]  f2fs_write_end_io+0x7ab/0xff0
[  143.957560][    C0]  ? f2fs_write_end_io+0x481/0xff0
[  143.957582][    C0]  blk_update_request+0x57e/0xe60
[  143.957612][    C0]  blk_mq_end_request+0x3e/0x70
[  143.957635][    C0]  blk_flush_complete_seq+0x687/0xce0
[  143.957663][    C0]  flush_end_io+0xc40/0xf30
[  143.957689][    C0]  __blk_mq_end_request+0x4a9/0x680
[  143.957714][    C0]  blk_done_softirq+0x10a/0x160
[  143.957737][    C0]  handle_softirqs+0x1de/0x6f0
[  143.957765][    C0]  __local_bh_enable_ip+0x170/0x2b0
[  143.957788][    C0]  ? srcu_invoke_callbacks+0x28b/0x470
[  143.957806][    C0]  srcu_invoke_callbacks+0x229/0x470
[  143.957827][    C0]  ? __pfx_srcu_invoke_callbacks+0x10/0x10
[  143.957849][    C0]  ? process_scheduled_works+0xa25/0x1830
[  143.957875][    C0]  ? process_scheduled_works+0xa25/0x1830
[  143.957896][    C0]  process_scheduled_works+0xb02/0x1830
[  143.957930][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  143.957957][    C0]  ? assign_work+0x3d5/0x5e0
[  143.957982][    C0]  worker_thread+0xa50/0xfc0
[  143.958018][    C0]  kthread+0x388/0x470
[  143.958036][    C0]  ? __pfx_worker_thread+0x10/0x10
[  143.958061][    C0]  ? __pfx_kthread+0x10/0x10
[  143.958080][    C0]  ret_from_fork+0x51e/0xb90
[  143.958106][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  143.958131][    C0]  ? __switch_to+0xc7d/0x1450
[  143.958154][    C0]  ? __pfx_kthread+0x10/0x10
[  143.958173][    C0]  ret_from_fork_asm+0x1a/0x30
[  143.958197][    C0]  </TASK>
[  143.958204][    C0] Modules linked in:
[  143.958276][    C0] ---[ end trace 0000000000000000 ]---
[  143.964153][    C0] RIP: 0010:f2fs_in_warm_node_list+0xbd/0x290
[  143.964210][    C0] Code: 00 00 4d 03 3c 24 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 a1 a4 fd fd 4d 8b 3f 49 83 c7 30 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 84 a4 fd fd 4d 3b 37 74 19 e8 0a
[  143.964227][    C0] RSP: 0018:ffffc900040f7608 EFLAGS: 00010206
[  143.964245][    C0] RAX: 0000000000000006 RBX: ffffea0000d57780 RCX: ffff88802885bd00
[  143.964259][    C0] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
[  143.964271][    C0] RBP: ffffea0000d57798 R08: ffff888026a33d2b R09: 1ffff11004d467a5
[  143.964285][    C0] R10: dffffc0000000000 R11: ffffed1004d467a6 R12: ffff888023f5c798
[  143.964299][    C0] R13: dffffc0000000000 R14: ffff888060578c10 R15: 0000000000000030
[  143.964314][    C0] FS:  0000000000000000(0000) GS:ffff888126340000(0000) knlGS:0000000000000000
[  143.964329][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  143.964342][    C0] CR2: 0000564692218fa0 CR3: 000000003863a000 CR4: 00000000003526f0
[  143.964362][    C0] Kernel panic - not syncing: Fatal exception in interrupt
[  143.964623][    C0] Kernel Offset: disabled