0xe0
[  829.693545][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.693574][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.693612][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.693640][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  829.693671][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  829.693691][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  829.693710][ T6901]  do_writepages+0x32e/0x550
[  829.693746][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  829.693770][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  829.693800][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  829.693868][ T6901]  ? down_write+0x16d/0x200
[  829.693892][ T6901]  ? __pfx_down_write+0x10/0x10
[  829.693929][ T6901]  f2fs_collapse_range+0x48f/0x530
[  829.693949][ T6901]  ? inode_dio_wait+0x7f/0x270
[  829.693978][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  829.694006][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  829.694028][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  829.694052][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  829.694079][ T6901]  vfs_fallocate+0x669/0x7e0
[  829.694097][ T6901]  ? __fget_files+0x2a/0x420
[  829.694132][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  829.694149][ T6901]  ? __fget_files+0x2a/0x420
[  829.694183][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  829.694208][ T6901]  do_syscall_64+0x14d/0xf80
[  829.694229][ T6901]  ? trace_irq_disable+0x3b/0x150
[  829.694244][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  829.694262][ T6901]  ? clear_bhb_loop+0x40/0x90
[  829.694284][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  829.694302][ T6901] RIP: 0033:0x7f2a2eb9c629
[  829.694320][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  829.694334][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  829.694353][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  829.694366][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  829.694376][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  829.694387][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  829.694398][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  829.694431][ T6901]  </TASK>
[  829.694438][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  829.712301][ T6269] veth1_vlan: left promiscuous mode
[  829.717565][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  829.717587][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  829.717597][ T6901] Call Trace:
[  829.717605][ T6901]  <TASK>
[  829.717612][ T6901]  dump_stack_lvl+0xe8/0x150
[  829.717642][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  829.717673][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  829.717709][ T6901]  __submit_merged_bio+0x256/0x700
[  829.717740][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  829.717790][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  829.717819][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  829.717851][ T6901]  do_write_page+0x40f/0xac0
[  829.717879][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  829.717904][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  829.717941][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  829.717972][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.718005][ T6901]  ? release_pages+0x56c/0x5a0
[  829.718034][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  829.718077][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  829.718128][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  829.718158][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  829.718183][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  829.718211][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  829.718231][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.718286][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  829.718318][ T6901]  ? kernel_text_address+0xa5/0xe0
[  829.718367][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.718395][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.718431][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.718459][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  829.718490][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  829.718510][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  829.718530][ T6901]  do_writepages+0x32e/0x550
[  829.718564][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  829.718588][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  829.718618][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  829.718679][ T6901]  ? down_write+0x16d/0x200
[  829.718704][ T6901]  ? __pfx_down_write+0x10/0x10
[  829.718740][ T6901]  f2fs_collapse_range+0x48f/0x530
[  829.718760][ T6901]  ? inode_dio_wait+0x7f/0x270
[  829.718789][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  829.718816][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  829.718838][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  829.718862][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  829.718889][ T6901]  vfs_fallocate+0x669/0x7e0
[  829.718908][ T6901]  ? __fget_files+0x2a/0x420
[  829.718938][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  829.718956][ T6901]  ? __fget_files+0x2a/0x420
[  829.718990][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  829.719014][ T6901]  do_syscall_64+0x14d/0xf80
[  829.719036][ T6901]  ? trace_irq_disable+0x3b/0x150
[  829.719053][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  829.719071][ T6901]  ? clear_bhb_loop+0x40/0x90
[  829.719093][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  829.719127][ T6901] RIP: 0033:0x7f2a2eb9c629
[  829.719145][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  829.719161][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  829.719180][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  829.719194][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  829.719206][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  829.719218][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  829.719230][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  829.719261][ T6901]  </TASK>
[  829.719269][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  829.726896][ T6269] veth0_vlan: left promiscuous mode
[  829.756734][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  829.756756][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  829.756767][ T6901] Call Trace:
[  829.756775][ T6901]  <TASK>
[  829.756783][ T6901]  dump_stack_lvl+0xe8/0x150
[  829.756813][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  829.756846][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  829.756890][ T6901]  __submit_merged_bio+0x256/0x700
[  829.756923][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  829.756978][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  829.757009][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  829.757043][ T6901]  do_write_page+0x40f/0xac0
[  829.757072][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  829.757097][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  829.757143][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  829.757176][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.757208][ T6901]  ? release_pages+0x56c/0x5a0
[  829.757238][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  829.757282][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  829.757330][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  829.757359][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  829.757384][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  829.757411][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  829.757430][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.757490][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  829.757522][ T6901]  ? kernel_text_address+0xa5/0xe0
[  829.757574][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.757602][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.757640][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  829.757668][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  829.757699][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  829.757719][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  829.757738][ T6901]  do_writepages+0x32e/0x550
[  829.757773][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  829.757797][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  829.757827][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  829.757893][ T6901]  ? down_write+0x16d/0x200
[  829.757918][ T6901]  ? __pfx_down_write+0x10/0x10
[  829.757955][ T6901]  f2fs_collapse_range+0x48f/0x530
[  829.757975][ T6901]  ? inode_dio_wait+0x7f/0x270
[  829.758005][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  829.758032][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  829.758054][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  829.758077][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  829.758104][ T6901]  vfs_fallocate+0x669/0x7e0
[  829.758129][ T6901]  ? __fget_files+0x2a/0x420
[  829.758159][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  829.758177][ T6901]  ? __fget_files+0x2a/0x420
[  829.758211][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  829.758235][ T6901]  do_syscall_64+0x14d/0xf80
[  829.758257][ T6901]  ? trace_irq_disable+0x3b/0x150
[  829.758272][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  829.758290][ T6901]  ? clear_bhb_loop+0x40/0x90
[  829.758313][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  829.758331][ T6901] RIP: 0033:0x7f2a2eb9c629
[  829.758348][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  829.758363][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  829.758382][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  829.758396][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  829.758406][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  829.758417][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  829.758428][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  829.758461][ T6901]  </TASK>
[  829.758468][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  831.356244][ T6015] Bluetooth: hci2: command tx timeout
[  831.383997][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  831.384022][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  831.384033][ T6901] Call Trace:
[  831.384041][ T6901]  <TASK>
[  831.384049][ T6901]  dump_stack_lvl+0xe8/0x150
[  831.384079][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  831.384112][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  831.384152][ T6901]  __submit_merged_bio+0x256/0x700
[  831.384183][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  831.384330][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  831.384368][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  831.384404][ T6901]  do_write_page+0x40f/0xac0
[  831.384435][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  831.384460][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  831.384501][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  831.384534][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  831.384567][ T6901]  ? release_pages+0x56c/0x5a0
[  831.384598][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  831.384644][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  831.384691][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  831.384722][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  831.384747][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  831.384774][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  831.384793][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  831.384854][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  831.384886][ T6901]  ? kernel_text_address+0xa5/0xe0
[  831.384940][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  831.384967][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  831.385006][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  831.385034][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  831.385065][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  831.385085][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  831.385105][ T6901]  do_writepages+0x32e/0x550
[  831.385139][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  831.385164][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  831.385194][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  831.385272][ T6901]  ? down_write+0x16d/0x200
[  831.385297][ T6901]  ? __pfx_down_write+0x10/0x10
[  831.385334][ T6901]  f2fs_collapse_range+0x48f/0x530
[  831.385355][ T6901]  ? inode_dio_wait+0x7f/0x270
[  831.385384][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  831.385413][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  831.385435][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  831.385459][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  831.385486][ T6901]  vfs_fallocate+0x669/0x7e0
[  831.385506][ T6901]  ? __fget_files+0x2a/0x420
[  831.385536][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  831.385554][ T6901]  ? __fget_files+0x2a/0x420
[  831.385588][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  831.385613][ T6901]  do_syscall_64+0x14d/0xf80
[  831.385635][ T6901]  ? trace_irq_disable+0x3b/0x150
[  831.385650][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  831.385668][ T6901]  ? clear_bhb_loop+0x40/0x90
[  831.385691][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  831.385710][ T6901] RIP: 0033:0x7f2a2eb9c629
[  831.385729][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  831.385744][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  831.385763][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  831.385777][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  831.385788][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  831.385799][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  831.385810][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  831.385844][ T6901]  </TASK>
[  831.385852][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  832.393166][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  832.393196][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  832.393207][ T6901] Call Trace:
[  832.393216][ T6901]  <TASK>
[  832.393223][ T6901]  dump_stack_lvl+0xe8/0x150
[  832.393251][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  832.393281][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  832.393322][ T6901]  __submit_merged_bio+0x256/0x700
[  832.393350][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  832.393386][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  832.393405][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  832.393425][ T6901]  do_write_page+0x40f/0xac0
[  832.393442][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  832.393457][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  832.393481][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  832.393500][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  832.393520][ T6901]  ? release_pages+0x56c/0x5a0
[  832.393538][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  832.393564][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  832.393590][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  832.393609][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  832.393624][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  832.393641][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  832.393652][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  832.393684][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  832.393701][ T6901]  ? kernel_text_address+0xa5/0xe0
[  832.393729][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  832.393745][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  832.393767][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  832.393784][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  832.393801][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  832.393813][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  832.393823][ T6901]  do_writepages+0x32e/0x550
[  832.393844][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  832.393857][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  832.393876][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  832.393913][ T6901]  ? down_write+0x16d/0x200
[  832.393929][ T6901]  ? __pfx_down_write+0x10/0x10
[  832.393950][ T6901]  f2fs_collapse_range+0x48f/0x530
[  832.393962][ T6901]  ? inode_dio_wait+0x7f/0x270
[  832.393979][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  832.393995][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  832.394007][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  832.394021][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  832.394036][ T6901]  vfs_fallocate+0x669/0x7e0
[  832.394048][ T6901]  ? __fget_files+0x2a/0x420
[  832.394066][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  832.394076][ T6901]  ? __fget_files+0x2a/0x420
[  832.394096][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  832.394110][ T6901]  do_syscall_64+0x14d/0xf80
[  832.394125][ T6901]  ? trace_irq_disable+0x3b/0x150
[  832.394134][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  832.394145][ T6901]  ? clear_bhb_loop+0x40/0x90
[  832.394158][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  832.394168][ T6901] RIP: 0033:0x7f2a2eb9c629
[  832.394186][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  832.394194][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  832.394207][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  832.394214][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  832.394221][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  832.394228][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  832.394234][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  832.394251][ T6901]  </TASK>
[  832.394257][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  832.789185][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  832.789210][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  832.789221][ T6901] Call Trace:
[  832.789229][ T6901]  <TASK>
[  832.789238][ T6901]  dump_stack_lvl+0xe8/0x150
[  832.789269][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  832.789301][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  832.789338][ T6901]  __submit_merged_bio+0x256/0x700
[  832.789369][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  832.789423][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  832.789450][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  832.789484][ T6901]  do_write_page+0x40f/0xac0
[  832.789513][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  832.789539][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  832.789577][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  832.789609][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  832.789641][ T6901]  ? release_pages+0x56c/0x5a0
[  832.789671][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  832.789720][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  832.789765][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  832.789795][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  832.789820][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  832.789846][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  832.789866][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  832.789927][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  832.789959][ T6901]  ? kernel_text_address+0xa5/0xe0
[  832.790010][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  832.790038][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  832.790080][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  832.790109][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  832.790140][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  832.790165][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  832.790184][ T6901]  do_writepages+0x32e/0x550
[  832.790219][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  832.790243][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  832.790274][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  832.790338][ T6901]  ? down_write+0x16d/0x200
[  832.790363][ T6901]  ? __pfx_down_write+0x10/0x10
[  832.790397][ T6901]  f2fs_collapse_range+0x48f/0x530
[  832.790418][ T6901]  ? inode_dio_wait+0x7f/0x270
[  832.790447][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  832.790475][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  832.790497][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  832.790519][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  832.790546][ T6901]  vfs_fallocate+0x669/0x7e0
[  832.790566][ T6901]  ? __fget_files+0x2a/0x420
[  832.790596][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  832.790614][ T6901]  ? __fget_files+0x2a/0x420
[  832.790648][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  832.790673][ T6901]  do_syscall_64+0x14d/0xf80
[  832.790695][ T6901]  ? trace_irq_disable+0x3b/0x150
[  832.790711][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  832.790730][ T6901]  ? clear_bhb_loop+0x40/0x90
[  832.790752][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  832.790776][ T6901] RIP: 0033:0x7f2a2eb9c629
[  832.790794][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  832.790810][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  832.790829][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  832.790843][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  832.790853][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  832.790865][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  832.790877][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  832.790908][ T6901]  </TASK>
[  832.790917][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  833.169953][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  833.169975][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  833.169985][ T6901] Call Trace:
[  833.169991][ T6901]  <TASK>
[  833.169998][ T6901]  dump_stack_lvl+0xe8/0x150
[  833.170026][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  833.170053][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  833.170085][ T6901]  __submit_merged_bio+0x256/0x700
[  833.170113][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  833.170159][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  833.170185][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  833.170213][ T6901]  do_write_page+0x40f/0xac0
[  833.170239][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  833.170260][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  833.170293][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  833.170320][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.170348][ T6901]  ? release_pages+0x56c/0x5a0
[  833.170373][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  833.170411][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  833.170450][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  833.170475][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  833.170496][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  833.170520][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  833.170536][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.170587][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  833.170614][ T6901]  ? kernel_text_address+0xa5/0xe0
[  833.170659][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.170683][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.170715][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.170739][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  833.170766][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  833.170794][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  833.170810][ T6901]  do_writepages+0x32e/0x550
[  833.170841][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  833.170862][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  833.170889][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  833.170946][ T6901]  ? down_write+0x16d/0x200
[  833.170969][ T6901]  ? __pfx_down_write+0x10/0x10
[  833.171000][ T6901]  f2fs_collapse_range+0x48f/0x530
[  833.171017][ T6901]  ? inode_dio_wait+0x7f/0x270
[  833.171044][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  833.171068][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  833.171087][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  833.171108][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  833.171131][ T6901]  vfs_fallocate+0x669/0x7e0
[  833.171149][ T6901]  ? __fget_files+0x2a/0x420
[  833.171175][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  833.171190][ T6901]  ? __fget_files+0x2a/0x420
[  833.171219][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  833.171241][ T6901]  do_syscall_64+0x14d/0xf80
[  833.171260][ T6901]  ? trace_irq_disable+0x3b/0x150
[  833.171274][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  833.171291][ T6901]  ? clear_bhb_loop+0x40/0x90
[  833.171311][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  833.171327][ T6901] RIP: 0033:0x7f2a2eb9c629
[  833.171344][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  833.171358][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  833.171375][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  833.171387][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  833.171397][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  833.171406][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  833.171416][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  833.171446][ T6901]  </TASK>
[  833.171453][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  833.426322][ T6015] Bluetooth: hci2: command tx timeout
[  833.436614][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  833.436638][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  833.436650][ T6901] Call Trace:
[  833.436658][ T6901]  <TASK>
[  833.436666][ T6901]  dump_stack_lvl+0xe8/0x150
[  833.436697][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  833.436730][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  833.436769][ T6901]  __submit_merged_bio+0x256/0x700
[  833.436810][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  833.436866][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  833.436896][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  833.436932][ T6901]  do_write_page+0x40f/0xac0
[  833.436960][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  833.436982][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  833.437022][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  833.437051][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.437080][ T6901]  ? release_pages+0x56c/0x5a0
[  833.437109][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  833.437152][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  833.437198][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  833.437229][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  833.437258][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  833.437286][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  833.437305][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.437364][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  833.437398][ T6901]  ? kernel_text_address+0xa5/0xe0
[  833.437451][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.437479][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.437517][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.437544][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  833.437575][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  833.437594][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  833.437613][ T6901]  do_writepages+0x32e/0x550
[  833.437649][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  833.437673][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  833.437703][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  833.437771][ T6901]  ? down_write+0x16d/0x200
[  833.437801][ T6901]  ? __pfx_down_write+0x10/0x10
[  833.437837][ T6901]  f2fs_collapse_range+0x48f/0x530
[  833.437857][ T6901]  ? inode_dio_wait+0x7f/0x270
[  833.437891][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  833.437919][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  833.437941][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  833.437965][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  833.437992][ T6901]  vfs_fallocate+0x669/0x7e0
[  833.438011][ T6901]  ? __fget_files+0x2a/0x420
[  833.438044][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  833.438063][ T6901]  ? __fget_files+0x2a/0x420
[  833.438097][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  833.438121][ T6901]  do_syscall_64+0x14d/0xf80
[  833.438143][ T6901]  ? trace_irq_disable+0x3b/0x150
[  833.438159][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  833.438178][ T6901]  ? clear_bhb_loop+0x40/0x90
[  833.438200][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  833.438218][ T6901] RIP: 0033:0x7f2a2eb9c629
[  833.438236][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  833.438251][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  833.438270][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  833.438283][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  833.438295][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  833.438305][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  833.438316][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  833.438350][ T6901]  </TASK>
[  833.438358][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  833.977863][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  833.977888][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  833.977899][ T6901] Call Trace:
[  833.977907][ T6901]  <TASK>
[  833.977916][ T6901]  dump_stack_lvl+0xe8/0x150
[  833.977946][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  833.977980][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  833.978025][ T6901]  __submit_merged_bio+0x256/0x700
[  833.978056][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  833.978110][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  833.978141][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  833.978175][ T6901]  do_write_page+0x40f/0xac0
[  833.978204][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  833.978230][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  833.978270][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  833.978302][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.978335][ T6901]  ? release_pages+0x56c/0x5a0
[  833.978365][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  833.978408][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  833.978453][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  833.978482][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  833.978506][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  833.978533][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  833.978552][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.978609][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  833.978640][ T6901]  ? kernel_text_address+0xa5/0xe0
[  833.978691][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.978719][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.978756][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  833.978784][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  833.978815][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  833.978836][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  833.978855][ T6901]  do_writepages+0x32e/0x550
[  833.978890][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  833.978914][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  833.978945][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  833.979012][ T6901]  ? down_write+0x16d/0x200
[  833.979038][ T6901]  ? __pfx_down_write+0x10/0x10
[  833.979073][ T6901]  f2fs_collapse_range+0x48f/0x530
[  833.979093][ T6901]  ? inode_dio_wait+0x7f/0x270
[  833.979123][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  833.979150][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  833.979173][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  833.979196][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  833.979224][ T6901]  vfs_fallocate+0x669/0x7e0
[  833.979243][ T6901]  ? __fget_files+0x2a/0x420
[  833.979272][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  833.979290][ T6901]  ? __fget_files+0x2a/0x420
[  833.979323][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  833.979348][ T6901]  do_syscall_64+0x14d/0xf80
[  833.979370][ T6901]  ? trace_irq_disable+0x3b/0x150
[  833.979385][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  833.979405][ T6901]  ? clear_bhb_loop+0x40/0x90
[  833.979427][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  833.979446][ T6901] RIP: 0033:0x7f2a2eb9c629
[  833.979464][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  833.979480][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  833.979500][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  833.979513][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  833.979524][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  833.979536][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  833.979548][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  833.979580][ T6901]  </TASK>
[  833.979587][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  834.147511][ T6014] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[  834.169674][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  834.169700][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  834.169712][ T6901] Call Trace:
[  834.169719][ T6901]  <TASK>
[  834.169727][ T6901]  dump_stack_lvl+0xe8/0x150
[  834.169759][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  834.169792][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  834.169832][ T6901]  __submit_merged_bio+0x256/0x700
[  834.169863][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  834.169921][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  834.169952][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  834.169993][ T6901]  do_write_page+0x40f/0xac0
[  834.170023][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  834.170049][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  834.170089][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  834.170122][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.170160][ T6901]  ? release_pages+0x56c/0x5a0
[  834.170197][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  834.170241][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  834.170288][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  834.170321][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  834.170346][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  834.170374][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  834.170393][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.170452][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  834.170485][ T6901]  ? kernel_text_address+0xa5/0xe0
[  834.170537][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.170565][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.170604][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.170631][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  834.170662][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  834.170681][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  834.170701][ T6901]  do_writepages+0x32e/0x550
[  834.170735][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  834.170759][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  834.170790][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  834.170856][ T6901]  ? down_write+0x16d/0x200
[  834.170888][ T6901]  ? __pfx_down_write+0x10/0x10
[  834.170932][ T6901]  f2fs_collapse_range+0x48f/0x530
[  834.170952][ T6901]  ? inode_dio_wait+0x7f/0x270
[  834.170990][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  834.171017][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  834.171039][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  834.171064][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  834.171091][ T6901]  vfs_fallocate+0x669/0x7e0
[  834.171111][ T6901]  ? __fget_files+0x2a/0x420
[  834.171141][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  834.171165][ T6901]  ? __fget_files+0x2a/0x420
[  834.171200][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  834.171224][ T6901]  do_syscall_64+0x14d/0xf80
[  834.171245][ T6901]  ? trace_irq_disable+0x3b/0x150
[  834.171262][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  834.171280][ T6901]  ? clear_bhb_loop+0x40/0x90
[  834.171303][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  834.171321][ T6901] RIP: 0033:0x7f2a2eb9c629
[  834.171338][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  834.171353][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  834.171373][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  834.171386][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  834.171397][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  834.171409][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  834.171420][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  834.171453][ T6901]  </TASK>
[  834.171461][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  834.180514][ T6014] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[  834.214686][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  834.214711][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  834.214722][ T6901] Call Trace:
[  834.214730][ T6901]  <TASK>
[  834.214738][ T6901]  dump_stack_lvl+0xe8/0x150
[  834.214770][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  834.214802][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  834.214841][ T6901]  __submit_merged_bio+0x256/0x700
[  834.214873][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  834.214929][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  834.214983][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  834.215018][ T6901]  do_write_page+0x40f/0xac0
[  834.215047][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  834.215073][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  834.215114][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  834.215147][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.215179][ T6901]  ? release_pages+0x56c/0x5a0
[  834.215209][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  834.215249][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  834.215294][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  834.215324][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  834.215348][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  834.215376][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  834.215395][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.215462][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  834.215494][ T6901]  ? kernel_text_address+0xa5/0xe0
[  834.215547][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.215575][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.215614][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.215642][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  834.215673][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  834.215693][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  834.215719][ T6901]  do_writepages+0x32e/0x550
[  834.215752][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  834.215776][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  834.215807][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  834.215878][ T6901]  ? down_write+0x16d/0x200
[  834.215904][ T6901]  ? __pfx_down_write+0x10/0x10
[  834.215942][ T6901]  f2fs_collapse_range+0x48f/0x530
[  834.215969][ T6901]  ? inode_dio_wait+0x7f/0x270
[  834.215998][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  834.216027][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  834.216050][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  834.216074][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  834.216103][ T6901]  vfs_fallocate+0x669/0x7e0
[  834.216123][ T6901]  ? __fget_files+0x2a/0x420
[  834.216154][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  834.216175][ T6901]  ? __fget_files+0x2a/0x420
[  834.216210][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  834.216235][ T6901]  do_syscall_64+0x14d/0xf80
[  834.216258][ T6901]  ? trace_irq_disable+0x3b/0x150
[  834.216273][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  834.216292][ T6901]  ? clear_bhb_loop+0x40/0x90
[  834.216316][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  834.216335][ T6901] RIP: 0033:0x7f2a2eb9c629
[  834.216353][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  834.216369][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  834.216389][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  834.216402][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  834.216413][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  834.216424][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  834.216435][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  834.216469][ T6901]  </TASK>
[  834.217409][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  834.230032][ T6014] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[  834.281887][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  834.281912][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  834.281924][ T6901] Call Trace:
[  834.281931][ T6901]  <TASK>
[  834.281940][ T6901]  dump_stack_lvl+0xe8/0x150
[  834.281977][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  834.282009][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  834.282048][ T6901]  __submit_merged_bio+0x256/0x700
[  834.282079][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  834.282135][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  834.282166][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  834.282200][ T6901]  do_write_page+0x40f/0xac0
[  834.282229][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  834.282254][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  834.282294][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  834.282326][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.282359][ T6901]  ? release_pages+0x56c/0x5a0
[  834.282388][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  834.282431][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  834.282478][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  834.282508][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  834.282533][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  834.282560][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  834.282578][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.282638][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  834.282670][ T6901]  ? kernel_text_address+0xa5/0xe0
[  834.282722][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.282750][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.282788][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.282816][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  834.282848][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  834.282867][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  834.282886][ T6901]  do_writepages+0x32e/0x550
[  834.282921][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  834.282950][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  834.282980][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  834.283046][ T6901]  ? down_write+0x16d/0x200
[  834.283072][ T6901]  ? __pfx_down_write+0x10/0x10
[  834.283109][ T6901]  f2fs_collapse_range+0x48f/0x530
[  834.283128][ T6901]  ? inode_dio_wait+0x7f/0x270
[  834.283158][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  834.283186][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  834.283208][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  834.283246][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  834.283273][ T6901]  vfs_fallocate+0x669/0x7e0
[  834.283292][ T6901]  ? __fget_files+0x2a/0x420
[  834.283323][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  834.283341][ T6901]  ? __fget_files+0x2a/0x420
[  834.283375][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  834.283400][ T6901]  do_syscall_64+0x14d/0xf80
[  834.283422][ T6901]  ? trace_irq_disable+0x3b/0x150
[  834.283437][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  834.283456][ T6901]  ? clear_bhb_loop+0x40/0x90
[  834.283478][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  834.283496][ T6901] RIP: 0033:0x7f2a2eb9c629
[  834.283514][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  834.283529][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  834.283548][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  834.283561][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  834.283572][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  834.283583][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  834.283594][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  834.283627][ T6901]  </TASK>
[  834.283635][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  834.291403][ T6014] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[  834.356501][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  834.356526][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  834.356537][ T6901] Call Trace:
[  834.356545][ T6901]  <TASK>
[  834.356553][ T6901]  dump_stack_lvl+0xe8/0x150
[  834.356584][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  834.356617][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  834.356655][ T6901]  __submit_merged_bio+0x256/0x700
[  834.356687][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  834.356739][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  834.356770][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  834.356805][ T6901]  do_write_page+0x40f/0xac0
[  834.356834][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  834.356859][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  834.356900][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  834.356932][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.356971][ T6901]  ? release_pages+0x56c/0x5a0
[  834.357002][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  834.357045][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  834.357092][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  834.357122][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  834.357147][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  834.357174][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  834.357193][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.357252][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  834.357285][ T6901]  ? kernel_text_address+0xa5/0xe0
[  834.357339][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.357367][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.357405][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.357433][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  834.357465][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  834.357485][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  834.357504][ T6901]  do_writepages+0x32e/0x550
[  834.357539][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  834.357563][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  834.357593][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  834.357661][ T6901]  ? down_write+0x16d/0x200
[  834.357685][ T6901]  ? __pfx_down_write+0x10/0x10
[  834.357723][ T6901]  f2fs_collapse_range+0x48f/0x530
[  834.357742][ T6901]  ? inode_dio_wait+0x7f/0x270
[  834.357771][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  834.357799][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  834.357821][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  834.357845][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  834.357872][ T6901]  vfs_fallocate+0x669/0x7e0
[  834.357891][ T6901]  ? __fget_files+0x2a/0x420
[  834.357921][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  834.357942][ T6901]  ? __fget_files+0x2a/0x420
[  834.357977][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  834.358001][ T6901]  do_syscall_64+0x14d/0xf80
[  834.358023][ T6901]  ? trace_irq_disable+0x3b/0x150
[  834.358038][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  834.358057][ T6901]  ? clear_bhb_loop+0x40/0x90
[  834.358079][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  834.358097][ T6901] RIP: 0033:0x7f2a2eb9c629
[  834.358115][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  834.358130][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  834.358149][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  834.358162][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  834.358173][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  834.358184][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  834.358196][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  834.358230][ T6901]  </TASK>
[  834.358237][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  834.360310][ T6014] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[  834.393485][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  834.393510][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  834.393521][ T6901] Call Trace:
[  834.393530][ T6901]  <TASK>
[  834.393538][ T6901]  dump_stack_lvl+0xe8/0x150
[  834.393568][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  834.393602][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  834.393641][ T6901]  __submit_merged_bio+0x256/0x700
[  834.393672][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  834.393730][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  834.393760][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  834.393795][ T6901]  do_write_page+0x40f/0xac0
[  834.393826][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  834.393851][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  834.393892][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  834.393924][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.393964][ T6901]  ? release_pages+0x56c/0x5a0
[  834.393994][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  834.394039][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  834.394087][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  834.394117][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  834.394142][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  834.394169][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  834.394188][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.394248][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  834.394282][ T6901]  ? kernel_text_address+0xa5/0xe0
[  834.394335][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.394363][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.394402][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  834.394431][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  834.394462][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  834.394482][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  834.394502][ T6901]  do_writepages+0x32e/0x550
[  834.394537][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  834.394562][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  834.394591][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  834.394659][ T6901]  ? down_write+0x16d/0x200
[  834.394685][ T6901]  ? __pfx_down_write+0x10/0x10
[  834.394722][ T6901]  f2fs_collapse_range+0x48f/0x530
[  834.394741][ T6901]  ? inode_dio_wait+0x7f/0x270
[  834.394771][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  834.394799][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  834.394822][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  834.394846][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  834.394873][ T6901]  vfs_fallocate+0x669/0x7e0
[  834.394892][ T6901]  ? __fget_files+0x2a/0x420
[  834.394922][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  834.394945][ T6901]  ? __fget_files+0x2a/0x420
[  834.394979][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  834.395004][ T6901]  do_syscall_64+0x14d/0xf80
[  834.395026][ T6901]  ? trace_irq_disable+0x3b/0x150
[  834.395040][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  834.395059][ T6901]  ? clear_bhb_loop+0x40/0x90
[  834.395081][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  834.395099][ T6901] RIP: 0033:0x7f2a2eb9c629
[  834.395117][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  834.395132][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  834.395151][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  834.395164][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  834.395176][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  834.395187][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  834.395198][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  834.395231][ T6901]  </TASK>
[  834.395239][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  835.507724][ T6014] Bluetooth: hci2: command tx timeout
[  835.561473][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  835.561498][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  835.561509][ T6901] Call Trace:
[  835.561517][ T6901]  <TASK>
[  835.561525][ T6901]  dump_stack_lvl+0xe8/0x150
[  835.561555][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  835.561588][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  835.561624][ T6901]  __submit_merged_bio+0x256/0x700
[  835.561654][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  835.561705][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  835.561734][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  835.561773][ T6901]  do_write_page+0x40f/0xac0
[  835.561801][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  835.561825][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  835.561864][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  835.561895][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  835.561925][ T6901]  ? release_pages+0x56c/0x5a0
[  835.561954][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  835.561996][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  835.562040][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  835.562069][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  835.562093][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  835.562119][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  835.562138][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  835.562191][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  835.562222][ T6901]  ? kernel_text_address+0xa5/0xe0
[  835.562271][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  835.562297][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  835.562333][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  835.562360][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  835.562389][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  835.562408][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  835.562427][ T6901]  do_writepages+0x32e/0x550
[  835.562460][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  835.562482][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  835.562511][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  835.562573][ T6901]  ? down_write+0x16d/0x200
[  835.562597][ T6901]  ? __pfx_down_write+0x10/0x10
[  835.562632][ T6901]  f2fs_collapse_range+0x48f/0x530
[  835.562651][ T6901]  ? inode_dio_wait+0x7f/0x270
[  835.562680][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  835.562706][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  835.562727][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  835.562751][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  835.562781][ T6901]  vfs_fallocate+0x669/0x7e0
[  835.562800][ T6901]  ? __fget_files+0x2a/0x420
[  835.562828][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  835.562846][ T6901]  ? __fget_files+0x2a/0x420
[  835.562878][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  835.562902][ T6901]  do_syscall_64+0x14d/0xf80
[  835.562924][ T6901]  ? trace_irq_disable+0x3b/0x150
[  835.562939][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  835.562958][ T6901]  ? clear_bhb_loop+0x40/0x90
[  835.562979][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  835.562997][ T6901] RIP: 0033:0x7f2a2eb9c629
[  835.563015][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  835.563029][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  835.563048][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  835.563062][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  835.563073][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  835.563084][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  835.563095][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  835.563125][ T6901]  </TASK>
[  835.563133][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  835.569308][ T6269] team0 (unregistering): Port device team_slave_1 removed
[  835.579031][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  835.579055][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  835.579066][ T6901] Call Trace:
[  835.579074][ T6901]  <TASK>
[  835.579082][ T6901]  dump_stack_lvl+0xe8/0x150
[  835.579113][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  835.579146][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  835.579184][ T6901]  __submit_merged_bio+0x256/0x700
[  835.579217][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  835.579272][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  835.579302][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  835.579337][ T6901]  do_write_page+0x40f/0xac0
[  835.579367][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  835.579392][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  835.579432][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  835.579464][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  835.579496][ T6901]  ? release_pages+0x56c/0x5a0
[  835.579526][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  835.579571][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  835.579617][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  835.579647][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  835.579671][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  835.579698][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  835.579716][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  835.579782][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  835.579815][ T6901]  ? kernel_text_address+0xa5/0xe0
[  835.579867][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  835.579895][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  835.579934][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  835.579961][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  835.579992][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  835.580012][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  835.580031][ T6901]  do_writepages+0x32e/0x550
[  835.580067][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  835.580091][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  835.580122][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  835.580188][ T6901]  ? down_write+0x16d/0x200
[  835.580215][ T6901]  ? __pfx_down_write+0x10/0x10
[  835.580252][ T6901]  f2fs_collapse_range+0x48f/0x530
[  835.580270][ T6901]  ? inode_dio_wait+0x7f/0x270
[  835.580300][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  835.580328][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  835.580350][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  835.580374][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  835.580400][ T6901]  vfs_fallocate+0x669/0x7e0
[  835.580419][ T6901]  ? __fget_files+0x2a/0x420
[  835.580449][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  835.580467][ T6901]  ? __fget_files+0x2a/0x420
[  835.580515][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  835.580540][ T6901]  do_syscall_64+0x14d/0xf80
[  835.580562][ T6901]  ? trace_irq_disable+0x3b/0x150
[  835.580577][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  835.580595][ T6901]  ? clear_bhb_loop+0x40/0x90
[  835.580618][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  835.580636][ T6901] RIP: 0033:0x7f2a2eb9c629
[  835.580654][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  835.580669][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  835.580688][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  835.580701][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  835.580712][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  835.580723][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  835.580734][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  835.580772][ T6901]  </TASK>
[  835.580779][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  836.556269][ T6014] Bluetooth: hci4: command tx timeout
[  836.572935][ T6269] team0 (unregistering): Port device team_slave_0 removed
[  836.626472][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  836.626496][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  836.626507][ T6901] Call Trace:
[  836.626515][ T6901]  <TASK>
[  836.626523][ T6901]  dump_stack_lvl+0xe8/0x150
[  836.626553][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  836.626585][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  836.626621][ T6901]  __submit_merged_bio+0x256/0x700
[  836.626651][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  836.626727][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  836.626756][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  836.626789][ T6901]  do_write_page+0x40f/0xac0
[  836.626818][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  836.626842][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  836.626879][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  836.626910][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  836.626941][ T6901]  ? release_pages+0x56c/0x5a0
[  836.626970][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  836.627011][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  836.627053][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  836.627082][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  836.627105][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  836.627132][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  836.627150][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  836.627203][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  836.627234][ T6901]  ? kernel_text_address+0xa5/0xe0
[  836.627280][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  836.627307][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  836.627342][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  836.627369][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  836.627398][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  836.627417][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  836.627435][ T6901]  do_writepages+0x32e/0x550
[  836.627464][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  836.627487][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  836.627515][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  836.627576][ T6901]  ? down_write+0x16d/0x200
[  836.627600][ T6901]  ? __pfx_down_write+0x10/0x10
[  836.627635][ T6901]  f2fs_collapse_range+0x48f/0x530
[  836.627654][ T6901]  ? inode_dio_wait+0x7f/0x270
[  836.627688][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  836.627714][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  836.627736][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  836.627759][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  836.627785][ T6901]  vfs_fallocate+0x669/0x7e0
[  836.627804][ T6901]  ? __fget_files+0x2a/0x420
[  836.627833][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  836.627850][ T6901]  ? __fget_files+0x2a/0x420
[  836.627882][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  836.627906][ T6901]  do_syscall_64+0x14d/0xf80
[  836.627928][ T6901]  ? trace_irq_disable+0x3b/0x150
[  836.627943][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  836.627961][ T6901]  ? clear_bhb_loop+0x40/0x90
[  836.627982][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  836.627999][ T6901] RIP: 0033:0x7f2a2eb9c629
[  836.628017][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  836.628032][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  836.628051][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  836.628064][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  836.628075][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  836.628086][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  836.628097][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  836.628128][ T6901]  </TASK>
[  836.628135][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  837.167588][ T6015] Bluetooth: hci8: unexpected cc 0x0c03 length: 249 > 1
[  837.181917][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  837.181943][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  837.181954][ T6901] Call Trace:
[  837.181961][ T6901]  <TASK>
[  837.181969][ T6901]  dump_stack_lvl+0xe8/0x150
[  837.181999][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  837.182031][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  837.182070][ T6901]  __submit_merged_bio+0x256/0x700
[  837.182103][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  837.182158][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  837.182188][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  837.182222][ T6901]  do_write_page+0x40f/0xac0
[  837.182251][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  837.182276][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  837.182316][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  837.182348][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.182380][ T6901]  ? release_pages+0x56c/0x5a0
[  837.182409][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  837.182452][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  837.182499][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  837.182529][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  837.182553][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  837.182581][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  837.182600][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.182665][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  837.182697][ T6901]  ? kernel_text_address+0xa5/0xe0
[  837.182750][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.182777][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.182816][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.182844][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  837.182874][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  837.182894][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  837.182914][ T6901]  do_writepages+0x32e/0x550
[  837.182948][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  837.182972][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  837.183004][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  837.183070][ T6901]  ? down_write+0x16d/0x200
[  837.183095][ T6901]  ? __pfx_down_write+0x10/0x10
[  837.183132][ T6901]  f2fs_collapse_range+0x48f/0x530
[  837.183151][ T6901]  ? inode_dio_wait+0x7f/0x270
[  837.183180][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  837.183208][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  837.183230][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  837.183254][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  837.183281][ T6901]  vfs_fallocate+0x669/0x7e0
[  837.183300][ T6901]  ? __fget_files+0x2a/0x420
[  837.183329][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  837.183348][ T6901]  ? __fget_files+0x2a/0x420
[  837.183380][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  837.183405][ T6901]  do_syscall_64+0x14d/0xf80
[  837.183427][ T6901]  ? trace_irq_disable+0x3b/0x150
[  837.183442][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  837.183461][ T6901]  ? clear_bhb_loop+0x40/0x90
[  837.183483][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  837.183502][ T6901] RIP: 0033:0x7f2a2eb9c629
[  837.183520][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  837.183535][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  837.183554][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  837.183567][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  837.183578][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  837.183590][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  837.183601][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  837.183633][ T6901]  </TASK>
[  837.183646][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  837.191860][ T6015] Bluetooth: hci8: unexpected cc 0x1003 length: 249 > 9
[  837.214755][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  837.214779][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  837.214790][ T6901] Call Trace:
[  837.214798][ T6901]  <TASK>
[  837.214806][ T6901]  dump_stack_lvl+0xe8/0x150
[  837.214836][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  837.214869][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  837.214908][ T6901]  __submit_merged_bio+0x256/0x700
[  837.214939][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  837.214995][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  837.215026][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  837.215059][ T6901]  do_write_page+0x40f/0xac0
[  837.215089][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  837.215114][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  837.215154][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  837.215196][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.215228][ T6901]  ? release_pages+0x56c/0x5a0
[  837.215259][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  837.215302][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  837.215349][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  837.215379][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  837.215403][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  837.215429][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  837.215449][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.215507][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  837.215540][ T6901]  ? kernel_text_address+0xa5/0xe0
[  837.215592][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.215619][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.215664][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.215692][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  837.215722][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  837.215743][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  837.215762][ T6901]  do_writepages+0x32e/0x550
[  837.215797][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  837.215821][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  837.215851][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  837.215917][ T6901]  ? down_write+0x16d/0x200
[  837.215942][ T6901]  ? __pfx_down_write+0x10/0x10
[  837.215979][ T6901]  f2fs_collapse_range+0x48f/0x530
[  837.215999][ T6901]  ? inode_dio_wait+0x7f/0x270
[  837.216030][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  837.216058][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  837.216080][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  837.216104][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  837.216129][ T6901]  vfs_fallocate+0x669/0x7e0
[  837.216147][ T6901]  ? __fget_files+0x2a/0x420
[  837.216183][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  837.216200][ T6901]  ? __fget_files+0x2a/0x420
[  837.216234][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  837.216258][ T6901]  do_syscall_64+0x14d/0xf80
[  837.216279][ T6901]  ? trace_irq_disable+0x3b/0x150
[  837.216295][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  837.216314][ T6901]  ? clear_bhb_loop+0x40/0x90
[  837.216336][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  837.216353][ T6901] RIP: 0033:0x7f2a2eb9c629
[  837.216372][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  837.216386][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  837.216406][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  837.216419][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  837.216430][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  837.216441][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  837.216452][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  837.216486][ T6901]  </TASK>
[  837.222085][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  837.256448][ T6015] Bluetooth: hci8: unexpected cc 0x1001 length: 249 > 9
[  837.262458][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  837.262483][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  837.262494][ T6901] Call Trace:
[  837.262503][ T6901]  <TASK>
[  837.262511][ T6901]  dump_stack_lvl+0xe8/0x150
[  837.262542][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  837.262576][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  837.262616][ T6901]  __submit_merged_bio+0x256/0x700
[  837.262655][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  837.262711][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  837.262742][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  837.262777][ T6901]  do_write_page+0x40f/0xac0
[  837.262807][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  837.262833][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  837.262874][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  837.262907][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.262939][ T6901]  ? release_pages+0x56c/0x5a0
[  837.262971][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  837.263016][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  837.263063][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  837.263094][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  837.263120][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  837.263147][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  837.263168][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.263227][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  837.263260][ T6901]  ? kernel_text_address+0xa5/0xe0
[  837.263313][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.263342][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.263382][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.263410][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  837.263442][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  837.263463][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  837.263483][ T6901]  do_writepages+0x32e/0x550
[  837.263520][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  837.263545][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  837.263575][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  837.263647][ T6901]  ? down_write+0x16d/0x200
[  837.263673][ T6901]  ? __pfx_down_write+0x10/0x10
[  837.263711][ T6901]  f2fs_collapse_range+0x48f/0x530
[  837.263731][ T6901]  ? inode_dio_wait+0x7f/0x270
[  837.263760][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  837.263788][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  837.263810][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  837.263833][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  837.263860][ T6901]  vfs_fallocate+0x669/0x7e0
[  837.263878][ T6901]  ? __fget_files+0x2a/0x420
[  837.263909][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  837.263927][ T6901]  ? __fget_files+0x2a/0x420
[  837.263961][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  837.263986][ T6901]  do_syscall_64+0x14d/0xf80
[  837.264006][ T6901]  ? trace_irq_disable+0x3b/0x150
[  837.264022][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  837.264040][ T6901]  ? clear_bhb_loop+0x40/0x90
[  837.264062][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  837.264080][ T6901] RIP: 0033:0x7f2a2eb9c629
[  837.264099][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  837.264113][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  837.264133][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  837.264146][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  837.264157][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  837.264168][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  837.264179][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  837.264212][ T6901]  </TASK>
[  837.264221][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  837.265813][ T6015] Bluetooth: hci8: unexpected cc 0x0c23 length: 249 > 4
[  837.295384][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  837.295407][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  837.295418][ T6901] Call Trace:
[  837.295425][ T6901]  <TASK>
[  837.295433][ T6901]  dump_stack_lvl+0xe8/0x150
[  837.295464][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  837.295497][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  837.295535][ T6901]  __submit_merged_bio+0x256/0x700
[  837.295567][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  837.295632][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  837.295663][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  837.295697][ T6901]  do_write_page+0x40f/0xac0
[  837.295727][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  837.295753][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  837.295792][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  837.295825][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.295858][ T6901]  ? release_pages+0x56c/0x5a0
[  837.295888][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  837.295949][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  837.295996][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  837.296027][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  837.296052][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  837.296079][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  837.296098][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.296163][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  837.296195][ T6901]  ? kernel_text_address+0xa5/0xe0
[  837.296243][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.296270][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.296309][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.296338][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  837.296370][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  837.296390][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  837.296410][ T6901]  do_writepages+0x32e/0x550
[  837.296446][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  837.296472][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  837.296504][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  837.296574][ T6901]  ? down_write+0x16d/0x200
[  837.296600][ T6901]  ? __pfx_down_write+0x10/0x10
[  837.296645][ T6901]  f2fs_collapse_range+0x48f/0x530
[  837.296666][ T6901]  ? inode_dio_wait+0x7f/0x270
[  837.296697][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  837.296727][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  837.296750][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  837.296779][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  837.296808][ T6901]  vfs_fallocate+0x669/0x7e0
[  837.296827][ T6901]  ? __fget_files+0x2a/0x420
[  837.296858][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  837.296877][ T6901]  ? __fget_files+0x2a/0x420
[  837.296918][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  837.296944][ T6901]  do_syscall_64+0x14d/0xf80
[  837.296964][ T6901]  ? trace_irq_disable+0x3b/0x150
[  837.296979][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  837.296998][ T6901]  ? clear_bhb_loop+0x40/0x90
[  837.297021][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  837.297039][ T6901] RIP: 0033:0x7f2a2eb9c629
[  837.297057][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  837.297072][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  837.297092][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  837.297104][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  837.297115][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  837.297126][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  837.297138][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  837.297171][ T6901]  </TASK>
[  837.308907][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  837.326361][ T6015] Bluetooth: hci8: unexpected cc 0x0c38 length: 249 > 2
[  837.376521][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  837.376547][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  837.376558][ T6901] Call Trace:
[  837.376566][ T6901]  <TASK>
[  837.376574][ T6901]  dump_stack_lvl+0xe8/0x150
[  837.376604][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  837.376644][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  837.376682][ T6901]  __submit_merged_bio+0x256/0x700
[  837.376714][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  837.376769][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  837.376800][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  837.376833][ T6901]  do_write_page+0x40f/0xac0
[  837.376862][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  837.376888][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  837.376928][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  837.376960][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.376992][ T6901]  ? release_pages+0x56c/0x5a0
[  837.377023][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  837.377067][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  837.377114][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  837.377144][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  837.377168][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  837.377195][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  837.377214][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.377280][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  837.377312][ T6901]  ? kernel_text_address+0xa5/0xe0
[  837.377366][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.377393][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.377433][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  837.377461][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  837.377492][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  837.377513][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  837.377532][ T6901]  do_writepages+0x32e/0x550
[  837.377568][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  837.377592][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  837.377627][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  837.377695][ T6901]  ? down_write+0x16d/0x200
[  837.377720][ T6901]  ? __pfx_down_write+0x10/0x10
[  837.377757][ T6901]  f2fs_collapse_range+0x48f/0x530
[  837.377777][ T6901]  ? inode_dio_wait+0x7f/0x270
[  837.377806][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  837.377834][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  837.377856][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  837.377880][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  837.377907][ T6901]  vfs_fallocate+0x669/0x7e0
[  837.377926][ T6901]  ? __fget_files+0x2a/0x420
[  837.377956][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  837.377974][ T6901]  ? __fget_files+0x2a/0x420
[  837.378007][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  837.378033][ T6901]  do_syscall_64+0x14d/0xf80
[  837.378054][ T6901]  ? trace_irq_disable+0x3b/0x150
[  837.378069][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  837.378088][ T6901]  ? clear_bhb_loop+0x40/0x90
[  837.378111][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  837.378129][ T6901] RIP: 0033:0x7f2a2eb9c629
[  837.378147][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  837.378161][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  837.378180][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  837.378194][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  837.378204][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  837.378216][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  837.378227][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  837.378260][ T6901]  </TASK>
[  837.378268][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  838.630731][ T6014] Bluetooth: hci4: command tx timeout
[  839.374129][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  839.374151][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  839.374162][ T6901] Call Trace:
[  839.374169][ T6901]  <TASK>
[  839.374176][ T6901]  dump_stack_lvl+0xe8/0x150
[  839.374207][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  839.374236][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  839.374270][ T6901]  __submit_merged_bio+0x256/0x700
[  839.374300][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  839.374352][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  839.374382][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  839.374427][ T6901]  do_write_page+0x40f/0xac0
[  839.374455][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  839.374481][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  839.374521][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  839.374554][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  839.374586][ T6901]  ? release_pages+0x56c/0x5a0
[  839.374616][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  839.374659][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  839.374706][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  839.374736][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  839.374760][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  839.374788][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  839.374808][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  839.374866][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  839.374898][ T6901]  ? kernel_text_address+0xa5/0xe0
[  839.374950][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  839.374983][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  839.375021][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  839.375049][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  839.375080][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  839.375100][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  839.375120][ T6901]  do_writepages+0x32e/0x550
[  839.375155][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  839.375179][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  839.375210][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  839.375276][ T6901]  ? down_write+0x16d/0x200
[  839.375301][ T6901]  ? __pfx_down_write+0x10/0x10
[  839.375337][ T6901]  f2fs_collapse_range+0x48f/0x530
[  839.375358][ T6901]  ? inode_dio_wait+0x7f/0x270
[  839.375392][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  839.375420][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  839.375443][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  839.375466][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  839.375493][ T6901]  vfs_fallocate+0x669/0x7e0
[  839.375513][ T6901]  ? __fget_files+0x2a/0x420
[  839.375543][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  839.375561][ T6901]  ? __fget_files+0x2a/0x420
[  839.375595][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  839.375619][ T6901]  do_syscall_64+0x14d/0xf80
[  839.375642][ T6901]  ? trace_irq_disable+0x3b/0x150
[  839.375658][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  839.375676][ T6901]  ? clear_bhb_loop+0x40/0x90
[  839.375700][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  839.375718][ T6901] RIP: 0033:0x7f2a2eb9c629
[  839.375736][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  839.375751][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  839.375772][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  839.375785][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  839.375797][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  839.375808][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  839.375820][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  839.375853][ T6901]  </TASK>
[  839.375861][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  839.431668][ T6014] Bluetooth: hci8: command tx timeout
[  839.486443][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  839.486469][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  839.486480][ T6901] Call Trace:
[  839.486488][ T6901]  <TASK>
[  839.486496][ T6901]  dump_stack_lvl+0xe8/0x150
[  839.486526][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  839.486559][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  839.486598][ T6901]  __submit_merged_bio+0x256/0x700
[  839.486630][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  839.486687][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  839.486717][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  839.486751][ T6901]  do_write_page+0x40f/0xac0
[  839.486781][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  839.486806][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  839.486847][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  839.486878][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  839.486911][ T6901]  ? release_pages+0x56c/0x5a0
[  839.486941][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  839.486985][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  839.487033][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  839.487062][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  839.487087][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  839.487114][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  839.487139][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  839.487199][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  839.487233][ T6901]  ? kernel_text_address+0xa5/0xe0
[  839.487286][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  839.487313][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  839.487351][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  839.487379][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  839.487409][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  839.487429][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  839.487449][ T6901]  do_writepages+0x32e/0x550
[  839.487484][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  839.487509][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  839.487540][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  839.487606][ T6901]  ? down_write+0x16d/0x200
[  839.487631][ T6901]  ? __pfx_down_write+0x10/0x10
[  839.487668][ T6901]  f2fs_collapse_range+0x48f/0x530
[  839.487687][ T6901]  ? inode_dio_wait+0x7f/0x270
[  839.487718][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  839.487745][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  839.487767][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  839.487790][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  839.487818][ T6901]  vfs_fallocate+0x669/0x7e0
[  839.487837][ T6901]  ? __fget_files+0x2a/0x420
[  839.487867][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  839.487884][ T6901]  ? __fget_files+0x2a/0x420
[  839.487918][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  839.487943][ T6901]  do_syscall_64+0x14d/0xf80
[  839.487965][ T6901]  ? trace_irq_disable+0x3b/0x150
[  839.487980][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  839.487999][ T6901]  ? clear_bhb_loop+0x40/0x90
[  839.488021][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  839.488039][ T6901] RIP: 0033:0x7f2a2eb9c629
[  839.488057][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  839.488072][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  839.488091][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  839.488104][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  839.488115][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  839.488131][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  839.488143][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  839.488176][ T6901]  </TASK>
[  839.488183][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  840.153979][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  840.154004][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  840.154016][ T6901] Call Trace:
[  840.154023][ T6901]  <TASK>
[  840.154032][ T6901]  dump_stack_lvl+0xe8/0x150
[  840.154061][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  840.154092][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  840.154128][ T6901]  __submit_merged_bio+0x256/0x700
[  840.154157][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  840.154202][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  840.154230][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  840.154262][ T6901]  do_write_page+0x40f/0xac0
[  840.154288][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  840.154311][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  840.154335][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  840.154355][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.154374][ T6901]  ? release_pages+0x56c/0x5a0
[  840.154392][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  840.154417][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  840.154445][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  840.154462][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  840.154477][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  840.154494][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  840.154504][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.154537][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  840.154554][ T6901]  ? kernel_text_address+0xa5/0xe0
[  840.154582][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.154599][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.154621][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.154637][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  840.154654][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  840.154665][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  840.154676][ T6901]  do_writepages+0x32e/0x550
[  840.154697][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  840.154710][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  840.154729][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  840.154766][ T6901]  ? down_write+0x16d/0x200
[  840.154782][ T6901]  ? __pfx_down_write+0x10/0x10
[  840.154803][ T6901]  f2fs_collapse_range+0x48f/0x530
[  840.154816][ T6901]  ? inode_dio_wait+0x7f/0x270
[  840.154833][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  840.154849][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  840.154862][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  840.154876][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  840.154891][ T6901]  vfs_fallocate+0x669/0x7e0
[  840.154903][ T6901]  ? __fget_files+0x2a/0x420
[  840.154921][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  840.154931][ T6901]  ? __fget_files+0x2a/0x420
[  840.154951][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  840.154966][ T6901]  do_syscall_64+0x14d/0xf80
[  840.154980][ T6901]  ? trace_irq_disable+0x3b/0x150
[  840.154989][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  840.155000][ T6901]  ? clear_bhb_loop+0x40/0x90
[  840.155013][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  840.155023][ T6901] RIP: 0033:0x7f2a2eb9c629
[  840.155035][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  840.155044][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  840.155058][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  840.155066][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  840.155072][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  840.155079][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  840.155085][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  840.155103][ T6901]  </TASK>
[  840.155203][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  840.167050][ T6269] team0 (unregistering): Port device team_slave_1 removed
[  840.193968][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  840.193990][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  840.194001][ T6901] Call Trace:
[  840.194009][ T6901]  <TASK>
[  840.194017][ T6901]  dump_stack_lvl+0xe8/0x150
[  840.194046][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  840.194078][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  840.194114][ T6901]  __submit_merged_bio+0x256/0x700
[  840.194144][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  840.194195][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  840.194225][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  840.194257][ T6901]  do_write_page+0x40f/0xac0
[  840.194285][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  840.194315][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  840.194352][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  840.194383][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.194414][ T6901]  ? release_pages+0x56c/0x5a0
[  840.194443][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  840.194484][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  840.194528][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  840.194557][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  840.194581][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  840.194607][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  840.194626][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.194680][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  840.194711][ T6901]  ? kernel_text_address+0xa5/0xe0
[  840.194759][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.194785][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.194821][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.194848][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  840.194877][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  840.194896][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  840.194915][ T6901]  do_writepages+0x32e/0x550
[  840.194948][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  840.194971][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  840.195000][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  840.195061][ T6901]  ? down_write+0x16d/0x200
[  840.195085][ T6901]  ? __pfx_down_write+0x10/0x10
[  840.195121][ T6901]  f2fs_collapse_range+0x48f/0x530
[  840.195140][ T6901]  ? inode_dio_wait+0x7f/0x270
[  840.195168][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  840.195194][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  840.195216][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  840.195239][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  840.195264][ T6901]  vfs_fallocate+0x669/0x7e0
[  840.195283][ T6901]  ? __fget_files+0x2a/0x420
[  840.195316][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  840.195334][ T6901]  ? __fget_files+0x2a/0x420
[  840.195366][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  840.195390][ T6901]  do_syscall_64+0x14d/0xf80
[  840.195413][ T6901]  ? trace_irq_disable+0x3b/0x150
[  840.195428][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  840.195445][ T6901]  ? clear_bhb_loop+0x40/0x90
[  840.195467][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  840.195484][ T6901] RIP: 0033:0x7f2a2eb9c629
[  840.195502][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  840.195517][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  840.195535][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  840.195548][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  840.195559][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  840.195569][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  840.195581][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  840.195611][ T6901]  </TASK>
[  840.195619][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  840.706294][ T6014] Bluetooth: hci4: command tx timeout
[  840.732617][ T6269] team0 (unregistering): Port device team_slave_0 removed
[  840.737708][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  840.737731][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  840.737742][ T6901] Call Trace:
[  840.737749][ T6901]  <TASK>
[  840.737757][ T6901]  dump_stack_lvl+0xe8/0x150
[  840.737788][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  840.737819][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  840.737855][ T6901]  __submit_merged_bio+0x256/0x700
[  840.737885][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  840.737936][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  840.737965][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  840.737997][ T6901]  do_write_page+0x40f/0xac0
[  840.738063][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  840.738088][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  840.738125][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  840.738156][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.738188][ T6901]  ? release_pages+0x56c/0x5a0
[  840.738216][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  840.738258][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  840.738302][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  840.738330][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  840.738355][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  840.738381][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  840.738400][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.738455][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  840.738485][ T6901]  ? kernel_text_address+0xa5/0xe0
[  840.738534][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.738560][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.738596][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  840.738623][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  840.738653][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  840.738672][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  840.738691][ T6901]  do_writepages+0x32e/0x550
[  840.738724][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  840.738747][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  840.738777][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  840.738838][ T6901]  ? down_write+0x16d/0x200
[  840.738862][ T6901]  ? __pfx_down_write+0x10/0x10
[  840.738896][ T6901]  f2fs_collapse_range+0x48f/0x530
[  840.738916][ T6901]  ? inode_dio_wait+0x7f/0x270
[  840.738944][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  840.738971][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  840.738992][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  840.739019][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  840.739045][ T6901]  vfs_fallocate+0x669/0x7e0
[  840.739063][ T6901]  ? __fget_files+0x2a/0x420
[  840.739091][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  840.739109][ T6901]  ? __fget_files+0x2a/0x420
[  840.739141][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  840.739165][ T6901]  do_syscall_64+0x14d/0xf80
[  840.739185][ T6901]  ? trace_irq_disable+0x3b/0x150
[  840.739201][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  840.739219][ T6901]  ? clear_bhb_loop+0x40/0x90
[  840.739240][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  840.739258][ T6901] RIP: 0033:0x7f2a2eb9c629
[  840.739276][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  840.739290][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  840.739309][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  840.739322][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  840.739333][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  840.739344][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  840.739356][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  840.739386][ T6901]  </TASK>
[  840.739394][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  841.307097][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  841.307121][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  841.307131][ T6901] Call Trace:
[  841.307138][ T6901]  <TASK>
[  841.307146][ T6901]  dump_stack_lvl+0xe8/0x150
[  841.307174][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  841.307213][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  841.307244][ T6901]  __submit_merged_bio+0x256/0x700
[  841.307275][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  841.307327][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  841.307353][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  841.307384][ T6901]  do_write_page+0x40f/0xac0
[  841.307413][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  841.307435][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  841.307468][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  841.307496][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.307526][ T6901]  ? release_pages+0x56c/0x5a0
[  841.307553][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  841.307595][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  841.307637][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  841.307665][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  841.307687][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  841.307706][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  841.307717][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.307749][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  841.307767][ T6901]  ? kernel_text_address+0xa5/0xe0
[  841.307795][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.307811][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.307833][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.307849][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  841.307867][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  841.307879][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  841.307889][ T6901]  do_writepages+0x32e/0x550
[  841.307910][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  841.307924][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  841.307943][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  841.307979][ T6901]  ? down_write+0x16d/0x200
[  841.307996][ T6901]  ? __pfx_down_write+0x10/0x10
[  841.308017][ T6901]  f2fs_collapse_range+0x48f/0x530
[  841.308030][ T6901]  ? inode_dio_wait+0x7f/0x270
[  841.308046][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  841.308062][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  841.308076][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  841.308089][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  841.308104][ T6901]  vfs_fallocate+0x669/0x7e0
[  841.308116][ T6901]  ? __fget_files+0x2a/0x420
[  841.308134][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  841.308144][ T6901]  ? __fget_files+0x2a/0x420
[  841.308164][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  841.308179][ T6901]  do_syscall_64+0x14d/0xf80
[  841.308193][ T6901]  ? trace_irq_disable+0x3b/0x150
[  841.308202][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  841.308220][ T6901]  ? clear_bhb_loop+0x40/0x90
[  841.308233][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  841.308244][ T6901] RIP: 0033:0x7f2a2eb9c629
[  841.308256][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  841.308265][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  841.308277][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  841.308285][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  841.308292][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  841.308298][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  841.308304][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  841.308322][ T6901]  </TASK>
[  841.309952][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  841.380298][ T7069] workqueue: Failed to create a rescuer kthread for wq "wg-crypt-wg0": -EINTR
[  841.391150][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  841.391174][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  841.391184][ T6901] Call Trace:
[  841.391192][ T6901]  <TASK>
[  841.391200][ T6901]  dump_stack_lvl+0xe8/0x150
[  841.391231][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  841.391263][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  841.391303][ T6901]  __submit_merged_bio+0x256/0x700
[  841.391334][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  841.391391][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  841.391421][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  841.391456][ T6901]  do_write_page+0x40f/0xac0
[  841.391486][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  841.391511][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  841.391552][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  841.391584][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.391617][ T6901]  ? release_pages+0x56c/0x5a0
[  841.391647][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  841.391691][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  841.391739][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  841.391768][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  841.391793][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  841.391824][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  841.391843][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.391903][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  841.391942][ T6901]  ? kernel_text_address+0xa5/0xe0
[  841.391993][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.392021][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.392061][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.392089][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  841.392121][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  841.392141][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  841.392160][ T6901]  do_writepages+0x32e/0x550
[  841.392194][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  841.392219][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  841.392250][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  841.392317][ T6901]  ? down_write+0x16d/0x200
[  841.392343][ T6901]  ? __pfx_down_write+0x10/0x10
[  841.392380][ T6901]  f2fs_collapse_range+0x48f/0x530
[  841.392399][ T6901]  ? inode_dio_wait+0x7f/0x270
[  841.392429][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  841.392458][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  841.392491][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  841.392515][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  841.392542][ T6901]  vfs_fallocate+0x669/0x7e0
[  841.392561][ T6901]  ? __fget_files+0x2a/0x420
[  841.392591][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  841.392608][ T6901]  ? __fget_files+0x2a/0x420
[  841.392643][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  841.392667][ T6901]  do_syscall_64+0x14d/0xf80
[  841.392689][ T6901]  ? trace_irq_disable+0x3b/0x150
[  841.392704][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  841.392723][ T6901]  ? clear_bhb_loop+0x40/0x90
[  841.392746][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  841.392763][ T6901] RIP: 0033:0x7f2a2eb9c629
[  841.392781][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  841.392796][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  841.392815][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  841.392828][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  841.392840][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  841.392850][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  841.392861][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  841.392895][ T6901]  </TASK>
[  841.392902][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  841.546231][ T6014] Bluetooth: hci8: command tx timeout
[  841.606933][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  841.606959][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  841.606970][ T6901] Call Trace:
[  841.606978][ T6901]  <TASK>
[  841.606986][ T6901]  dump_stack_lvl+0xe8/0x150
[  841.607017][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  841.607049][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  841.607088][ T6901]  __submit_merged_bio+0x256/0x700
[  841.607119][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  841.607175][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  841.607205][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  841.607239][ T6901]  do_write_page+0x40f/0xac0
[  841.607269][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  841.607294][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  841.607334][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  841.607367][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.607399][ T6901]  ? release_pages+0x56c/0x5a0
[  841.607429][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  841.607474][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  841.607520][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  841.607549][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  841.607575][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  841.607601][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  841.607620][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.607679][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  841.607712][ T6901]  ? kernel_text_address+0xa5/0xe0
[  841.607764][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.607792][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.607830][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.607858][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  841.607890][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  841.607909][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  841.607934][ T6901]  do_writepages+0x32e/0x550
[  841.607969][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  841.607993][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  841.608023][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  841.608090][ T6901]  ? down_write+0x16d/0x200
[  841.608115][ T6901]  ? __pfx_down_write+0x10/0x10
[  841.608151][ T6901]  f2fs_collapse_range+0x48f/0x530
[  841.608171][ T6901]  ? inode_dio_wait+0x7f/0x270
[  841.608200][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  841.608228][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  841.608250][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  841.608273][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  841.608298][ T6901]  vfs_fallocate+0x669/0x7e0
[  841.608317][ T6901]  ? __fget_files+0x2a/0x420
[  841.608346][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  841.608365][ T6901]  ? __fget_files+0x2a/0x420
[  841.608398][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  841.608422][ T6901]  do_syscall_64+0x14d/0xf80
[  841.608445][ T6901]  ? trace_irq_disable+0x3b/0x150
[  841.608460][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  841.608476][ T6901]  ? clear_bhb_loop+0x40/0x90
[  841.608499][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  841.608517][ T6901] RIP: 0033:0x7f2a2eb9c629
[  841.608536][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  841.608551][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  841.608571][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  841.608584][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  841.608596][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  841.608608][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  841.608619][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  841.608653][ T6901]  </TASK>
[  841.608662][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  841.641408][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  841.641433][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  841.641444][ T6901] Call Trace:
[  841.641452][ T6901]  <TASK>
[  841.641460][ T6901]  dump_stack_lvl+0xe8/0x150
[  841.641489][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  841.641521][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  841.641558][ T6901]  __submit_merged_bio+0x256/0x700
[  841.641591][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  841.641647][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  841.641677][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  841.641712][ T6901]  do_write_page+0x40f/0xac0
[  841.641742][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  841.641768][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  841.641808][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  841.641840][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.641872][ T6901]  ? release_pages+0x56c/0x5a0
[  841.641903][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  841.641954][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  841.642002][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  841.642031][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  841.642056][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  841.642083][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  841.642103][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.642163][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  841.642196][ T6901]  ? kernel_text_address+0xa5/0xe0
[  841.642249][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.642277][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.642316][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.642343][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  841.642375][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  841.642395][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  841.642414][ T6901]  do_writepages+0x32e/0x550
[  841.642450][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  841.642474][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  841.642504][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  841.642572][ T6901]  ? down_write+0x16d/0x200
[  841.642597][ T6901]  ? __pfx_down_write+0x10/0x10
[  841.642634][ T6901]  f2fs_collapse_range+0x48f/0x530
[  841.642654][ T6901]  ? inode_dio_wait+0x7f/0x270
[  841.642683][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  841.642712][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  841.642733][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  841.642757][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  841.642784][ T6901]  vfs_fallocate+0x669/0x7e0
[  841.642802][ T6901]  ? __fget_files+0x2a/0x420
[  841.642832][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  841.642850][ T6901]  ? __fget_files+0x2a/0x420
[  841.642884][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  841.642909][ T6901]  do_syscall_64+0x14d/0xf80
[  841.642935][ T6901]  ? trace_irq_disable+0x3b/0x150
[  841.642950][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  841.642969][ T6901]  ? clear_bhb_loop+0x40/0x90
[  841.642992][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  841.643009][ T6901] RIP: 0033:0x7f2a2eb9c629
[  841.643028][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  841.643043][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  841.643062][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  841.643075][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  841.643086][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  841.643097][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  841.643108][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  841.643141][ T6901]  </TASK>
[  841.643149][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  841.688769][ T7224] chnl_net:caif_netlink_parms(): no params data found
[  841.896368][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  841.896393][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  841.896403][ T6901] Call Trace:
[  841.896411][ T6901]  <TASK>
[  841.896419][ T6901]  dump_stack_lvl+0xe8/0x150
[  841.896448][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  841.896479][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  841.896515][ T6901]  __submit_merged_bio+0x256/0x700
[  841.896545][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  841.896597][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  841.896625][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  841.896658][ T6901]  do_write_page+0x40f/0xac0
[  841.896686][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  841.896710][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  841.896748][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  841.896779][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.896811][ T6901]  ? release_pages+0x56c/0x5a0
[  841.896839][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  841.896881][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  841.896931][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  841.896960][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  841.896985][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  841.897011][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  841.897030][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.897085][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  841.897115][ T6901]  ? kernel_text_address+0xa5/0xe0
[  841.897163][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.897190][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.897226][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  841.897252][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  841.897282][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  841.897302][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  841.897321][ T6901]  do_writepages+0x32e/0x550
[  841.897354][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  841.897378][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  841.897406][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  841.897468][ T6901]  ? down_write+0x16d/0x200
[  841.897492][ T6901]  ? __pfx_down_write+0x10/0x10
[  841.897527][ T6901]  f2fs_collapse_range+0x48f/0x530
[  841.897546][ T6901]  ? inode_dio_wait+0x7f/0x270
[  841.897574][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  841.897600][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  841.897622][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  841.897645][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  841.897671][ T6901]  vfs_fallocate+0x669/0x7e0
[  841.897689][ T6901]  ? __fget_files+0x2a/0x420
[  841.897718][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  841.897736][ T6901]  ? __fget_files+0x2a/0x420
[  841.897768][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  841.897791][ T6901]  do_syscall_64+0x14d/0xf80
[  841.897813][ T6901]  ? trace_irq_disable+0x3b/0x150
[  841.897828][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  841.897846][ T6901]  ? clear_bhb_loop+0x40/0x90
[  841.897868][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  841.897886][ T6901] RIP: 0033:0x7f2a2eb9c629
[  841.897908][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  841.897923][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  841.897942][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  841.897954][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  841.897966][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  841.897977][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  841.897988][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  841.898018][ T6901]  </TASK>
[  841.898026][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  842.563684][   T31] INFO: task syz.2.28:6911 blocked for more than 143 seconds.
[  842.706405][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  842.706432][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  842.706442][ T6901] Call Trace:
[  842.706451][ T6901]  <TASK>
[  842.706458][ T6901]  dump_stack_lvl+0xe8/0x150
[  842.706488][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  842.706521][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  842.706560][ T6901]  __submit_merged_bio+0x256/0x700
[  842.706592][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  842.706647][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  842.706677][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  842.706711][ T6901]  do_write_page+0x40f/0xac0
[  842.706741][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  842.706766][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  842.706806][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  842.706838][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.706870][ T6901]  ? release_pages+0x56c/0x5a0
[  842.706900][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  842.706944][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  842.706991][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  842.707021][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  842.707045][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  842.707073][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  842.707114][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.707174][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  842.707206][ T6901]  ? kernel_text_address+0xa5/0xe0
[  842.707258][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.707285][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.707324][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.707351][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  842.707383][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  842.707402][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  842.707422][ T6901]  do_writepages+0x32e/0x550
[  842.707457][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  842.707481][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  842.707511][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  842.707578][ T6901]  ? down_write+0x16d/0x200
[  842.707603][ T6901]  ? __pfx_down_write+0x10/0x10
[  842.707639][ T6901]  f2fs_collapse_range+0x48f/0x530
[  842.707659][ T6901]  ? inode_dio_wait+0x7f/0x270
[  842.707689][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  842.707716][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  842.707739][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  842.707763][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  842.707790][ T6901]  vfs_fallocate+0x669/0x7e0
[  842.707809][ T6901]  ? __fget_files+0x2a/0x420
[  842.707838][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  842.707856][ T6901]  ? __fget_files+0x2a/0x420
[  842.707890][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  842.707914][ T6901]  do_syscall_64+0x14d/0xf80
[  842.707936][ T6901]  ? trace_irq_disable+0x3b/0x150
[  842.707951][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  842.707970][ T6901]  ? clear_bhb_loop+0x40/0x90
[  842.707992][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  842.708009][ T6901] RIP: 0033:0x7f2a2eb9c629
[  842.708027][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  842.708042][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  842.708061][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  842.708079][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  842.708091][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  842.708101][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  842.708112][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  842.708145][ T6901]  </TASK>
[  842.708153][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  842.710797][   T31]       Not tainted syzkaller #0
[  842.856909][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  842.856934][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  842.856945][ T6901] Call Trace:
[  842.856952][ T6901]  <TASK>
[  842.856960][ T6901]  dump_stack_lvl+0xe8/0x150
[  842.856988][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  842.857020][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  842.857056][ T6901]  __submit_merged_bio+0x256/0x700
[  842.857093][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  842.857145][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  842.857174][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  842.857206][ T6901]  do_write_page+0x40f/0xac0
[  842.857235][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  842.857259][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  842.857297][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  842.857328][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.857358][ T6901]  ? release_pages+0x56c/0x5a0
[  842.857387][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  842.857428][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  842.857472][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  842.857500][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  842.857524][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  842.857550][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  842.857569][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.857623][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  842.857654][ T6901]  ? kernel_text_address+0xa5/0xe0
[  842.857701][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.857728][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.857764][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.857790][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  842.857819][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  842.857838][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  842.857857][ T6901]  do_writepages+0x32e/0x550
[  842.857890][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  842.857913][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  842.857942][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  842.858004][ T6901]  ? down_write+0x16d/0x200
[  842.858028][ T6901]  ? __pfx_down_write+0x10/0x10
[  842.858066][ T6901]  f2fs_collapse_range+0x48f/0x530
[  842.858086][ T6901]  ? inode_dio_wait+0x7f/0x270
[  842.858113][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  842.858139][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  842.858161][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  842.858184][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  842.858210][ T6901]  vfs_fallocate+0x669/0x7e0
[  842.858228][ T6901]  ? __fget_files+0x2a/0x420
[  842.858257][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  842.858275][ T6901]  ? __fget_files+0x2a/0x420
[  842.858307][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  842.858330][ T6901]  do_syscall_64+0x14d/0xf80
[  842.858352][ T6901]  ? trace_irq_disable+0x3b/0x150
[  842.858367][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  842.858385][ T6901]  ? clear_bhb_loop+0x40/0x90
[  842.858407][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  842.858424][ T6901] RIP: 0033:0x7f2a2eb9c629
[  842.858442][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  842.858456][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  842.858476][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  842.858488][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  842.858500][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  842.858511][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  842.858522][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  842.858552][ T6901]  </TASK>
[  842.858560][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  842.864076][ T6014] Bluetooth: hci4: command tx timeout
[  842.909477][ T7292] chnl_net:caif_netlink_parms(): no params data found
[  842.956286][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  842.956310][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  842.956322][ T6901] Call Trace:
[  842.956330][ T6901]  <TASK>
[  842.956338][ T6901]  dump_stack_lvl+0xe8/0x150
[  842.956368][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  842.956400][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  842.956436][ T6901]  __submit_merged_bio+0x256/0x700
[  842.956466][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  842.956517][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  842.956545][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  842.956578][ T6901]  do_write_page+0x40f/0xac0
[  842.956605][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  842.956630][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  842.956668][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  842.956698][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.956730][ T6901]  ? release_pages+0x56c/0x5a0
[  842.956758][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  842.956805][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  842.956849][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  842.956878][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  842.956902][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  842.956927][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  842.956945][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.956998][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  842.957029][ T6901]  ? kernel_text_address+0xa5/0xe0
[  842.957077][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.957103][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.957139][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  842.957167][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  842.957196][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  842.957216][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  842.957235][ T6901]  do_writepages+0x32e/0x550
[  842.957268][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  842.957291][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  842.957321][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  842.957382][ T6901]  ? down_write+0x16d/0x200
[  842.957407][ T6901]  ? __pfx_down_write+0x10/0x10
[  842.957442][ T6901]  f2fs_collapse_range+0x48f/0x530
[  842.957461][ T6901]  ? inode_dio_wait+0x7f/0x270
[  842.957488][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  842.957515][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  842.957537][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  842.957559][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  842.957585][ T6901]  vfs_fallocate+0x669/0x7e0
[  842.957603][ T6901]  ? __fget_files+0x2a/0x420
[  842.957632][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  842.957649][ T6901]  ? __fget_files+0x2a/0x420
[  842.957681][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  842.957705][ T6901]  do_syscall_64+0x14d/0xf80
[  842.957726][ T6901]  ? trace_irq_disable+0x3b/0x150
[  842.957741][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  842.957760][ T6901]  ? clear_bhb_loop+0x40/0x90
[  842.957781][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  842.957804][ T6901] RIP: 0033:0x7f2a2eb9c629
[  842.957822][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  842.957838][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  842.957856][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  842.957869][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  842.957880][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  842.957891][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  842.957902][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  842.957933][ T6901]  </TASK>
[  842.957941][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  843.035592][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  843.086814][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  843.086838][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  843.086849][ T6901] Call Trace:
[  843.086857][ T6901]  <TASK>
[  843.086864][ T6901]  dump_stack_lvl+0xe8/0x150
[  843.086894][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  843.086925][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  843.086961][ T6901]  __submit_merged_bio+0x256/0x700
[  843.086991][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  843.087042][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  843.087071][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  843.087103][ T6901]  do_write_page+0x40f/0xac0
[  843.087131][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  843.087155][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  843.087193][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  843.087224][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.087254][ T6901]  ? release_pages+0x56c/0x5a0
[  843.087283][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  843.087325][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  843.087369][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.087398][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  843.087423][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.087449][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  843.087467][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.087522][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.087552][ T6901]  ? kernel_text_address+0xa5/0xe0
[  843.087600][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.087627][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.087663][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.087690][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  843.087720][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.087739][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.087758][ T6901]  do_writepages+0x32e/0x550
[  843.087797][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.087820][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  843.087849][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  843.087910][ T6901]  ? down_write+0x16d/0x200
[  843.087935][ T6901]  ? __pfx_down_write+0x10/0x10
[  843.087970][ T6901]  f2fs_collapse_range+0x48f/0x530
[  843.087990][ T6901]  ? inode_dio_wait+0x7f/0x270
[  843.088018][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  843.088044][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  843.088066][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  843.088089][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  843.088114][ T6901]  vfs_fallocate+0x669/0x7e0
[  843.088133][ T6901]  ? __fget_files+0x2a/0x420
[  843.088161][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  843.088179][ T6901]  ? __fget_files+0x2a/0x420
[  843.088212][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  843.088236][ T6901]  do_syscall_64+0x14d/0xf80
[  843.088257][ T6901]  ? trace_irq_disable+0x3b/0x150
[  843.088273][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.088291][ T6901]  ? clear_bhb_loop+0x40/0x90
[  843.088312][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.088330][ T6901] RIP: 0033:0x7f2a2eb9c629
[  843.088348][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  843.088362][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  843.088381][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.088395][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  843.088406][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.088417][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.088428][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  843.088459][ T6901]  </TASK>
[  843.088466][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  843.148019][   T31] task:syz.2.28        state:D
[  843.239004][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  843.239030][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  843.239042][ T6901] Call Trace:
[  843.239049][ T6901]  <TASK>
[  843.239057][ T6901]  dump_stack_lvl+0xe8/0x150
[  843.239085][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  843.239116][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  843.239151][ T6901]  __submit_merged_bio+0x256/0x700
[  843.239181][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  843.239233][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  843.239262][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  843.239295][ T6901]  do_write_page+0x40f/0xac0
[  843.239323][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  843.239348][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  843.239385][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  843.239417][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.239448][ T6901]  ? release_pages+0x56c/0x5a0
[  843.239475][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  843.239517][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  843.239561][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.239590][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  843.239614][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.239641][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  843.239660][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.239714][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.239764][ T6901]  ? kernel_text_address+0xa5/0xe0
[  843.239808][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.239834][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.239868][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.239895][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  843.239924][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.239942][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.239959][ T6901]  do_writepages+0x32e/0x550
[  843.240000][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.240024][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  843.240054][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  843.240119][ T6901]  ? down_write+0x16d/0x200
[  843.240143][ T6901]  ? __pfx_down_write+0x10/0x10
[  843.240177][ T6901]  f2fs_collapse_range+0x48f/0x530
[  843.240198][ T6901]  ? inode_dio_wait+0x7f/0x270
[  843.240227][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  843.240254][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  843.240275][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  843.240298][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  843.240324][ T6901]  vfs_fallocate+0x669/0x7e0
[  843.240343][ T6901]  ? __fget_files+0x2a/0x420
[  843.240373][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  843.240391][ T6901]  ? __fget_files+0x2a/0x420
[  843.240423][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  843.240447][ T6901]  do_syscall_64+0x14d/0xf80
[  843.240469][ T6901]  ? trace_irq_disable+0x3b/0x150
[  843.240484][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.240503][ T6901]  ? clear_bhb_loop+0x40/0x90
[  843.240524][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.240542][ T6901] RIP: 0033:0x7f2a2eb9c629
[  843.240559][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  843.240574][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  843.240594][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.240607][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  843.240618][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.240629][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.240641][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  843.240671][ T6901]  </TASK>
[  843.240679][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  843.251398][   T31]  stack:28832 pid:6911  tgid:6900  ppid:6679   task_flags:0x400040 flags:0x00080002
[  843.351294][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  843.351319][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  843.351329][ T6901] Call Trace:
[  843.351337][ T6901]  <TASK>
[  843.351345][ T6901]  dump_stack_lvl+0xe8/0x150
[  843.351375][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  843.351406][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  843.351443][ T6901]  __submit_merged_bio+0x256/0x700
[  843.351473][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  843.351525][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  843.351554][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  843.351587][ T6901]  do_write_page+0x40f/0xac0
[  843.351615][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  843.351640][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  843.351677][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  843.351708][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.351746][ T6901]  ? release_pages+0x56c/0x5a0
[  843.351775][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  843.351816][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  843.351861][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.351890][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  843.351914][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.351940][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  843.351959][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.352013][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.352044][ T6901]  ? kernel_text_address+0xa5/0xe0
[  843.352092][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.352119][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.352155][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.352182][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  843.352211][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.352230][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.352249][ T6901]  do_writepages+0x32e/0x550
[  843.352283][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.352306][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  843.352335][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  843.352397][ T6901]  ? down_write+0x16d/0x200
[  843.352420][ T6901]  ? __pfx_down_write+0x10/0x10
[  843.352455][ T6901]  f2fs_collapse_range+0x48f/0x530
[  843.352474][ T6901]  ? inode_dio_wait+0x7f/0x270
[  843.352503][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  843.352529][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  843.352552][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  843.352574][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  843.352600][ T6901]  vfs_fallocate+0x669/0x7e0
[  843.352618][ T6901]  ? __fget_files+0x2a/0x420
[  843.352647][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  843.352664][ T6901]  ? __fget_files+0x2a/0x420
[  843.352697][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  843.352720][ T6901]  do_syscall_64+0x14d/0xf80
[  843.352747][ T6901]  ? trace_irq_disable+0x3b/0x150
[  843.352762][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.352781][ T6901]  ? clear_bhb_loop+0x40/0x90
[  843.352803][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.352820][ T6901] RIP: 0033:0x7f2a2eb9c629
[  843.352837][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  843.352852][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  843.352871][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.352884][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  843.352895][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.352906][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.352917][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  843.352948][ T6901]  </TASK>
[  843.352956][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  843.406696][   T31] Call Trace:
[  843.420251][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  843.420277][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  843.420289][ T6901] Call Trace:
[  843.420296][ T6901]  <TASK>
[  843.420304][ T6901]  dump_stack_lvl+0xe8/0x150
[  843.420334][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  843.420366][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  843.420405][ T6901]  __submit_merged_bio+0x256/0x700
[  843.420436][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  843.420492][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  843.420522][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  843.420557][ T6901]  do_write_page+0x40f/0xac0
[  843.420587][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  843.420612][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  843.420652][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  843.420684][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.420717][ T6901]  ? release_pages+0x56c/0x5a0
[  843.420747][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  843.420824][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  843.420872][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.420903][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  843.420928][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.421012][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  843.421041][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.421112][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.421146][ T6901]  ? kernel_text_address+0xa5/0xe0
[  843.421200][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.421228][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.421267][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.421296][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  843.421328][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.421348][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.421368][ T6901]  do_writepages+0x32e/0x550
[  843.421405][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.421429][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  843.421460][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  843.421528][ T6901]  ? down_write+0x16d/0x200
[  843.421553][ T6901]  ? __pfx_down_write+0x10/0x10
[  843.421590][ T6901]  f2fs_collapse_range+0x48f/0x530
[  843.421610][ T6901]  ? inode_dio_wait+0x7f/0x270
[  843.421640][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  843.421668][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  843.421690][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  843.421722][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  843.421750][ T6901]  vfs_fallocate+0x669/0x7e0
[  843.421769][ T6901]  ? __fget_files+0x2a/0x420
[  843.421800][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  843.421817][ T6901]  ? __fget_files+0x2a/0x420
[  843.421853][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  843.421878][ T6901]  do_syscall_64+0x14d/0xf80
[  843.421900][ T6901]  ? trace_irq_disable+0x3b/0x150
[  843.421916][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.421935][ T6901]  ? clear_bhb_loop+0x40/0x90
[  843.421957][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.421975][ T6901] RIP: 0033:0x7f2a2eb9c629
[  843.421994][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  843.422008][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  843.422027][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.422039][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  843.422050][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.422062][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.422073][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  843.422107][ T6901]  </TASK>
[  843.422115][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  843.448064][   T31]  <TASK>
[  843.483407][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  843.483433][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  843.483444][ T6901] Call Trace:
[  843.483452][ T6901]  <TASK>
[  843.483459][ T6901]  dump_stack_lvl+0xe8/0x150
[  843.483490][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  843.483523][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  843.483561][ T6901]  __submit_merged_bio+0x256/0x700
[  843.483593][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  843.483648][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  843.483679][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  843.483762][ T6901]  do_write_page+0x40f/0xac0
[  843.483792][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  843.483817][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  843.483857][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  843.483890][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.483923][ T6901]  ? release_pages+0x56c/0x5a0
[  843.483952][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  843.483996][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  843.484044][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.484074][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  843.484098][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.484125][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  843.484144][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.484204][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.484236][ T6901]  ? kernel_text_address+0xa5/0xe0
[  843.484289][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.484316][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.484355][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.484383][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  843.484414][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.484434][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.484454][ T6901]  do_writepages+0x32e/0x550
[  843.484489][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.484513][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  843.484543][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  843.484609][ T6901]  ? down_write+0x16d/0x200
[  843.484634][ T6901]  ? __pfx_down_write+0x10/0x10
[  843.484671][ T6901]  f2fs_collapse_range+0x48f/0x530
[  843.484691][ T6901]  ? inode_dio_wait+0x7f/0x270
[  843.484727][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  843.484755][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  843.484777][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  843.484801][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  843.484827][ T6901]  vfs_fallocate+0x669/0x7e0
[  843.484847][ T6901]  ? __fget_files+0x2a/0x420
[  843.484877][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  843.484895][ T6901]  ? __fget_files+0x2a/0x420
[  843.484929][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  843.484953][ T6901]  do_syscall_64+0x14d/0xf80
[  843.484974][ T6901]  ? trace_irq_disable+0x3b/0x150
[  843.484991][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.485009][ T6901]  ? clear_bhb_loop+0x40/0x90
[  843.485031][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.485049][ T6901] RIP: 0033:0x7f2a2eb9c629
[  843.485067][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  843.485082][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  843.485101][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.485113][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  843.485124][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.485135][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.485146][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  843.485180][ T6901]  </TASK>
[  843.485188][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  843.622569][ T7224] bridge0: port 1(bridge_slave_0) entered blocking state
[  843.633865][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  843.633891][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  843.633902][ T6901] Call Trace:
[  843.633910][ T6901]  <TASK>
[  843.633918][ T6901]  dump_stack_lvl+0xe8/0x150
[  843.633945][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  843.633978][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  843.634016][ T6901]  __submit_merged_bio+0x256/0x700
[  843.634048][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  843.634103][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  843.634134][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  843.634175][ T6901]  do_write_page+0x40f/0xac0
[  843.634205][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  843.634231][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  843.634271][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  843.634303][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.634335][ T6901]  ? release_pages+0x56c/0x5a0
[  843.634366][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  843.634410][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  843.634456][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.634486][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  843.634510][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.634543][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  843.634562][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.634621][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.634655][ T6901]  ? kernel_text_address+0xa5/0xe0
[  843.634754][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.634783][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.634821][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.634863][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  843.634895][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.634915][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  843.634935][ T6901]  do_writepages+0x32e/0x550
[  843.634970][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  843.634995][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  843.635026][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  843.635093][ T6901]  ? down_write+0x16d/0x200
[  843.635119][ T6901]  ? __pfx_down_write+0x10/0x10
[  843.635156][ T6901]  f2fs_collapse_range+0x48f/0x530
[  843.635176][ T6901]  ? inode_dio_wait+0x7f/0x270
[  843.635205][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  843.635233][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  843.635255][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  843.635279][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  843.635306][ T6901]  vfs_fallocate+0x669/0x7e0
[  843.635325][ T6901]  ? __fget_files+0x2a/0x420
[  843.635361][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  843.635379][ T6901]  ? __fget_files+0x2a/0x420
[  843.635413][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  843.635438][ T6901]  do_syscall_64+0x14d/0xf80
[  843.635464][ T6901]  ? trace_irq_disable+0x3b/0x150
[  843.635479][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.635498][ T6901]  ? clear_bhb_loop+0x40/0x90
[  843.635526][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  843.635543][ T6901] RIP: 0033:0x7f2a2eb9c629
[  843.635562][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  843.635577][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  843.635597][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.635610][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  843.635622][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.635633][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.635644][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  843.635683][ T6901]  </TASK>
[  843.635691][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  843.644000][   T31]  __schedule+0x1585/0x5340
[  843.644050][   T31]  ? __lock_acquire+0x6b5/0x2cf0
[  843.644079][   T31]  ? lruvec_stat_mod_folio+0x70/0x4b0
[  843.671678][ T6015] Bluetooth: hci8: command tx timeout
[  843.688600][ T7224] bridge0: port 1(bridge_slave_0) entered disabled state
[  843.700937][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  843.700961][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  843.700972][ T6901] Call Trace:
[  843.700980][ T6901]  <TASK>
[  843.700988][ T6901]  dump_stack_lvl+0xe8/0x150
[  843.701019][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  843.701052][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  843.701091][ T6901]  __submit_merged_bio+0x256/0x700
[  843.701122][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  843.701178][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  843.701208][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  843.701243][ T6901]  do_write_page+0x40f/0xac0
[  843.701273][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  843.701298][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  843.701338][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  843.701370][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.701402][ T6901]  ? release_pages+0x56c/0x5a0
[  843.701433][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  843.701477][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  843.701531][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.701561][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  843.701586][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  843.701613][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  843.701632][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  843.701698][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
** 32 printk messages dropped **
[  843.702597][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.702610][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
** 62 printk messages dropped **
[  843.727231][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  843.727250][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.727263][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  843.727274][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.727285][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.727296][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  843.727329][ T6901]  </TASK>
[  843.727620][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  843.737114][   T31]  ? __pfx___schedule+0x10/0x10
[  843.737608][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
** 55 printk messages dropped **
[  843.739169][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  843.739188][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.739201][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  843.739212][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.739223][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.739233][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  843.739264][ T6901]  </TASK>
[  843.739271][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  843.743074][   T31]  ? schedule+0x90/0x360
[  843.750195][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  843.750216][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  843.750226][ T6901] Call Trace:
[  843.750234][ T6901]  <TASK>
[  843.750242][ T6901]  dump_stack_lvl+0xe8/0x150
[  843.750268][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  843.750299][ T6901]  f2fs_write_end_io+0xcdb/0xff0
** 49 printk messages dropped **
[  843.751737][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  843.751755][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.751768][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  843.751780][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.751791][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
** 60 printk messages dropped **
[  843.792748][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  843.792767][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  843.792781][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
** 62 printk messages dropped **
[  843.803605][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
** 3 printk messages dropped **
[  843.803659][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.803670][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
** 63 printk messages dropped **
[  843.835946][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.835958][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
** 62 printk messages dropped **
[  843.893095][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.893105][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.893116][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  843.893150][ T6901]  </TASK>
** 61 printk messages dropped **
[  843.902471][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  843.902483][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  843.902494][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
** 62 printk messages dropped **
[  844.023970][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.023989][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.024002][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.024013][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
** 61 printk messages dropped **
[  844.037626][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.037644][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.037657][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
** 62 printk messages dropped **
[  844.045253][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.045271][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
** 63 printk messages dropped **
[  844.103018][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.103037][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
** 63 printk messages dropped **
[  844.157646][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.157665][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.157678][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.157689][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.157699][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.157710][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
** 59 printk messages dropped **
[  844.357381][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.357400][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.357412][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.357424][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.357435][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.357446][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.357479][ T6901]  </TASK>
[  844.359459][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.373442][   T31]  down_write+0x1bc/0x200
[  844.379500][ T7292] bridge0: port 1(bridge_slave_0) entered blocking state
[  844.382694][   T31]  ? __pfx_down_write+0x10/0x10
[  844.391082][ T7292] bridge0: port 1(bridge_slave_0) entered disabled state
[  844.398263][   T31]  f2fs_fallocate+0x24e/0x9b0
[  844.407395][ T7292] bridge_slave_0: entered allmulticast mode
[  844.417467][   T31]  vfs_fallocate+0x669/0x7e0
[  844.420485][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.420507][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.420517][ T6901] Call Trace:
[  844.420525][ T6901]  <TASK>
[  844.420533][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.420560][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.420591][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.420637][ T6901]  __submit_merged_bio+0x256/0x700
[  844.420668][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.420724][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.420754][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.420785][ T6901]  do_write_page+0x40f/0xac0
[  844.420816][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.420841][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.420880][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.420913][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.420946][ T6901]  ? release_pages+0x56c/0x5a0
[  844.420976][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.421020][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.421067][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.421096][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.421120][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.421147][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.421166][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.421225][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.421258][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.421311][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.421339][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.421377][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.421405][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.421437][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.421456][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.421475][ T6901]  do_writepages+0x32e/0x550
[  844.421511][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.421535][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.421566][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.421645][ T6901]  ? down_write+0x16d/0x200
[  844.421669][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.421706][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.421726][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.421755][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.421782][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.421805][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.421828][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.421856][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.421874][ T6901]  ? __fget_files+0x2a/0x420
[  844.421904][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.421922][ T6901]  ? __fget_files+0x2a/0x420
[  844.421956][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.421980][ T6901]  do_syscall_64+0x14d/0xf80
[  844.422001][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.422016][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.422035][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.422057][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.422075][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.422093][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.422107][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.422126][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.422139][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.422150][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.422161][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.422173][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.422206][ T6901]  </TASK>
[  844.422214][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.423324][   T31]  ? __fget_files+0x2a/0x420
[  844.430575][ T7292] bridge_slave_0: entered promiscuous mode
[  844.445336][   T31]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.453176][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.453201][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.453211][ T6901] Call Trace:
[  844.453218][ T6901]  <TASK>
[  844.453226][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.453256][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.453310][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.453349][ T6901]  __submit_merged_bio+0x256/0x700
[  844.453380][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.453435][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.453466][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.453500][ T6901]  do_write_page+0x40f/0xac0
[  844.453529][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.453555][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.453595][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.453627][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.453659][ T6901]  ? release_pages+0x56c/0x5a0
[  844.453689][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.453734][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.453781][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.453809][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.453834][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.453862][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.453887][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.453946][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.453979][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.454031][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.454059][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.454098][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.454125][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.454156][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.454176][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.454196][ T6901]  do_writepages+0x32e/0x550
[  844.454231][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.454255][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.454286][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.454353][ T6901]  ? down_write+0x16d/0x200
[  844.454378][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.454414][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.454434][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.454463][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.454491][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.454515][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.454540][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.454569][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.454588][ T6901]  ? __fget_files+0x2a/0x420
[  844.454618][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.454637][ T6901]  ? __fget_files+0x2a/0x420
[  844.454673][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.454698][ T6901]  do_syscall_64+0x14d/0xf80
[  844.454720][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.454736][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.454754][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.454777][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.454794][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.454812][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.454827][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.454846][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.454860][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.454876][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.454887][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.454898][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.454931][ T6901]  </TASK>
[  844.454939][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.466065][   T31]  ? __fget_files+0x2a/0x420
[  844.471661][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.471685][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.471696][ T6901] Call Trace:
[  844.471703][ T6901]  <TASK>
[  844.471711][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.471741][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.471774][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.471812][ T6901]  __submit_merged_bio+0x256/0x700
[  844.471843][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.471905][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.471936][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.471970][ T6901]  do_write_page+0x40f/0xac0
[  844.472000][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.472026][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.472065][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.472098][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.472131][ T6901]  ? release_pages+0x56c/0x5a0
[  844.472161][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.472205][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.472252][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.472281][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.472306][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.472333][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.472352][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.472411][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.472444][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.472496][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.472525][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.472563][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.472591][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.472621][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.472642][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.472661][ T6901]  do_writepages+0x32e/0x550
[  844.472696][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.472721][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.472751][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.472818][ T6901]  ? down_write+0x16d/0x200
[  844.472843][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.472884][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.472903][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.472934][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.472964][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.472987][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.473011][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.473040][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.473059][ T6901]  ? __fget_files+0x2a/0x420
[  844.473090][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.473108][ T6901]  ? __fget_files+0x2a/0x420
[  844.473144][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.473169][ T6901]  do_syscall_64+0x14d/0xf80
[  844.473191][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.473208][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.473227][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.473250][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.473269][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.473288][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.473304][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.473323][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.473337][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.473350][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.473361][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.473373][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.473408][ T6901]  </TASK>
[  844.473416][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.487414][ T7292] bridge0: port 2(bridge_slave_1) entered blocking state
[  844.490010][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.490032][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.490043][ T6901] Call Trace:
[  844.490050][ T6901]  <TASK>
[  844.490059][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.490087][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.490119][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.490159][ T6901]  __submit_merged_bio+0x256/0x700
[  844.490191][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.490247][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.490278][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.490312][ T6901]  do_write_page+0x40f/0xac0
[  844.490343][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.490368][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.490408][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.490441][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.490474][ T6901]  ? release_pages+0x56c/0x5a0
[  844.490504][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.490549][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.490597][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.490625][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.490645][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.490671][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.490691][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.490751][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.490785][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.490838][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.490884][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.490923][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.490951][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.490983][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.491003][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.491023][ T6901]  do_writepages+0x32e/0x550
[  844.491058][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.491082][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.491114][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.491181][ T6901]  ? down_write+0x16d/0x200
[  844.491205][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.491242][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.491262][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.491292][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.491320][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.491342][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.491366][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.491394][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.491413][ T6901]  ? __fget_files+0x2a/0x420
[  844.491443][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.491460][ T6901]  ? __fget_files+0x2a/0x420
[  844.491495][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.491520][ T6901]  do_syscall_64+0x14d/0xf80
[  844.491541][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.491557][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.491575][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.491598][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.491616][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.491633][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.491647][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.491666][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.491679][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.491690][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.491701][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.491712][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.491745][ T6901]  </TASK>
[  844.491752][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.494809][   T31]  __x64_sys_fallocate+0xc0/0x110
[  844.501600][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.501622][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.501634][ T6901] Call Trace:
[  844.501641][ T6901]  <TASK>
[  844.501649][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.501677][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.501709][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.501747][ T6901]  __submit_merged_bio+0x256/0x700
[  844.501778][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.501834][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.501870][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.501905][ T6901]  do_write_page+0x40f/0xac0
[  844.501934][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.501959][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.501999][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.502030][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.502063][ T6901]  ? release_pages+0x56c/0x5a0
[  844.502092][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.502136][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.502183][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.502212][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.502237][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.502264][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.502283][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.502342][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.502379][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.502431][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.502459][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.502498][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.502526][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.502557][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.502577][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.502597][ T6901]  do_writepages+0x32e/0x550
[  844.502631][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.502655][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.502685][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.502752][ T6901]  ? down_write+0x16d/0x200
[  844.502777][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.502814][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.502833][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.502867][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.502896][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.502917][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.502941][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.502968][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.502987][ T6901]  ? __fget_files+0x2a/0x420
[  844.503016][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.503034][ T6901]  ? __fget_files+0x2a/0x420
[  844.503068][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.503093][ T6901]  do_syscall_64+0x14d/0xf80
[  844.503115][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.503130][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.503148][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.503171][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.503189][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.503206][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.503220][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.503238][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.503251][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.503263][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.503274][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.503285][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.503319][ T6901]  </TASK>
[  844.503327][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.507038][ T7292] bridge0: port 2(bridge_slave_1) entered disabled state
[  844.512691][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.512712][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.512722][ T6901] Call Trace:
[  844.512730][ T6901]  <TASK>
[  844.512737][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.512764][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.512795][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.512833][ T6901]  __submit_merged_bio+0x256/0x700
[  844.512871][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.512926][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.512956][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.512990][ T6901]  do_write_page+0x40f/0xac0
[  844.513019][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.513044][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.513084][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.513117][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.513149][ T6901]  ? release_pages+0x56c/0x5a0
[  844.513179][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.513222][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.513270][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.513299][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.513324][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.513351][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.513370][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.513429][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.513461][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.513513][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.513541][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.513580][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.513607][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.513639][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.513659][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.513678][ T6901]  do_writepages+0x32e/0x550
[  844.513712][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.513737][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.513767][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.513833][ T6901]  ? down_write+0x16d/0x200
[  844.513857][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.513899][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.513918][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.513948][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.513975][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.513997][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.514021][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.514048][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.514067][ T6901]  ? __fget_files+0x2a/0x420
[  844.514096][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.514114][ T6901]  ? __fget_files+0x2a/0x420
[  844.514148][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.514172][ T6901]  do_syscall_64+0x14d/0xf80
[  844.514193][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.514209][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.514227][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.514250][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.514267][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.514284][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.514299][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.514317][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.514330][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.514341][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.514352][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.514363][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.514396][ T6901]  </TASK>
[  844.514403][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.532394][   T31]  do_syscall_64+0x14d/0xf80
[  844.535471][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.535493][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.535503][ T6901] Call Trace:
[  844.535511][ T6901]  <TASK>
[  844.535518][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.535547][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.535579][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.535617][ T6901]  __submit_merged_bio+0x256/0x700
[  844.535649][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.535704][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.535736][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.535770][ T6901]  do_write_page+0x40f/0xac0
[  844.535799][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.535825][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.535872][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.535904][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.535938][ T6901]  ? release_pages+0x56c/0x5a0
[  844.535967][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.536012][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.536061][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.536091][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.536116][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.536144][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.536168][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.536226][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.536260][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.536312][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.536341][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.536380][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.536408][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.536439][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.536459][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.536479][ T6901]  do_writepages+0x32e/0x550
[  844.536514][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.536539][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.536570][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.536636][ T6901]  ? down_write+0x16d/0x200
[  844.536661][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.536697][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.536717][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.536747][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.536775][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.536797][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.536821][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.536848][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.536872][ T6901]  ? __fget_files+0x2a/0x420
[  844.536902][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.536920][ T6901]  ? __fget_files+0x2a/0x420
[  844.536954][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.536979][ T6901]  do_syscall_64+0x14d/0xf80
[  844.537000][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.537016][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.537034][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.537057][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.537075][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.537092][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.537106][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.537125][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.537138][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.537149][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.537161][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.537172][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.537205][ T6901]  </TASK>
[  844.537967][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.541109][ T7292] bridge_slave_1: entered allmulticast mode
[  844.547519][ T6901] CPU: 0 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.547541][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.547551][ T6901] Call Trace:
[  844.547559][ T6901]  <TASK>
[  844.547567][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.547594][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.547625][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.547663][ T6901]  __submit_merged_bio+0x256/0x700
[  844.547694][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.547749][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.547780][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.547813][ T6901]  do_write_page+0x40f/0xac0
[  844.547842][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.547874][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.547913][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.547945][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.547978][ T6901]  ? release_pages+0x56c/0x5a0
[  844.548007][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.548051][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.548098][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.548128][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.548153][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.548179][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.548198][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.548258][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.548290][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.548343][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.548371][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.548410][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.548438][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.548469][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.548489][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.548508][ T6901]  do_writepages+0x32e/0x550
[  844.548543][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.548567][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.548597][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.548664][ T6901]  ? down_write+0x16d/0x200
[  844.548688][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.548725][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.548744][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.548773][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.548801][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.548823][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.548847][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.548877][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.548896][ T6901]  ? __fget_files+0x2a/0x420
[  844.548926][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.548943][ T6901]  ? __fget_files+0x2a/0x420
[  844.548977][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.549001][ T6901]  do_syscall_64+0x14d/0xf80
[  844.549023][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.549038][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.549057][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.549079][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.549096][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.549113][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.549128][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.549147][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.549160][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.549171][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.549182][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.549193][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.549227][ T6901]  </TASK>
[  844.549234][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.560634][   T31]  ? trace_irq_disable+0x3b/0x150
[  844.560657][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.560678][   T31]  ? clear_bhb_loop+0x40/0x90
[  844.560702][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.560721][   T31] RIP: 0033:0x7f2a2eb9c629
[  844.560739][   T31] RSP: 002b:00007f2a2fab1028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.560762][   T31] RAX: ffffffffffffffda RBX: 00007f2a2ee16090 RCX: 00007f2a2eb9c629
[  844.560777][   T31] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000004
[  844.560789][   T31] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.560802][   T31] R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000
[  844.560814][   T31] R13: 00007f2a2ee16128 R14: 00007f2a2ee16090 R15: 00007ffc9ee35258
[  844.560842][   T31]  </TASK>
[  844.561333][   T31] 
[  844.561333][   T31] Showing all locks held in the system:
[  844.619633][ T7292] bridge_slave_1: entered promiscuous mode
[  844.620253][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.620275][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.620286][ T6901] Call Trace:
[  844.620293][ T6901]  <TASK>
[  844.620301][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.620329][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.620361][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.620397][ T6901]  __submit_merged_bio+0x256/0x700
[  844.620426][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.620478][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.620507][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.620540][ T6901]  do_write_page+0x40f/0xac0
[  844.620569][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.620593][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.620638][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.620670][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.620701][ T6901]  ? release_pages+0x56c/0x5a0
[  844.620730][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.620772][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.620816][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.620845][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.620868][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.620895][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.620913][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.620968][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.620999][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.621047][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.621073][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.621109][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.621136][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.621166][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.621185][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.621204][ T6901]  do_writepages+0x32e/0x550
[  844.621237][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.621260][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.621290][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.621351][ T6901]  ? down_write+0x16d/0x200
[  844.621377][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.621411][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.621430][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.621458][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.621485][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.621506][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.621529][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.621555][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.621574][ T6901]  ? __fget_files+0x2a/0x420
[  844.621607][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.621625][ T6901]  ? __fget_files+0x2a/0x420
[  844.621657][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.621681][ T6901]  do_syscall_64+0x14d/0xf80
[  844.621701][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.621717][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.621735][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.621757][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.621775][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.621792][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.621806][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.621824][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.621837][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.621848][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.621859][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.621869][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.621899][ T6901]  </TASK>
[  844.621907][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.630479][   T31] 1 lock held by khungtaskd/31:
[  844.656352][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.656376][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.656387][ T6901] Call Trace:
[  844.656394][ T6901]  <TASK>
[  844.656401][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.656432][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.656463][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.656498][ T6901]  __submit_merged_bio+0x256/0x700
[  844.656529][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.656581][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.656616][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.656649][ T6901]  do_write_page+0x40f/0xac0
[  844.656676][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.656701][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.656738][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.656769][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.656800][ T6901]  ? release_pages+0x56c/0x5a0
[  844.656829][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.656870][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.656914][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.656942][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.656967][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.656993][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.657012][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.657066][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.657096][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.657146][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.657172][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.657208][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.657235][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.657264][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.657283][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.657302][ T6901]  do_writepages+0x32e/0x550
[  844.657335][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.657359][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.657388][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.657450][ T6901]  ? down_write+0x16d/0x200
[  844.657474][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.657508][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.657528][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.657556][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.657582][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.657608][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.657631][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.657657][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.657676][ T6901]  ? __fget_files+0x2a/0x420
[  844.657704][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.657722][ T6901]  ? __fget_files+0x2a/0x420
[  844.657754][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.657777][ T6901]  do_syscall_64+0x14d/0xf80
[  844.657799][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.657814][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.657833][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.657854][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.657871][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.657888][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.657903][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.657921][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.657934][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.657945][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.657956][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.657966][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.657996][ T6901]  </TASK>
[  844.658003][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  844.719624][   T31]  #0: ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  844.719744][   T31] 2 locks held by dhcpcd/5492:
[  844.719757][   T31]  #0: ffffffff8fbb1348 (vlan_ioctl_mutex){+.+.}-{4:4}, at: sock_ioctl+0x641/0x7f0
[  844.719812][   T31]  #1: 
[  844.935363][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  844.935387][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  844.935399][ T6901] Call Trace:
[  844.935407][ T6901]  <TASK>
[  844.935415][ T6901]  dump_stack_lvl+0xe8/0x150
[  844.935445][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  844.935478][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  844.935517][ T6901]  __submit_merged_bio+0x256/0x700
[  844.935548][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  844.935610][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  844.935640][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  844.935675][ T6901]  do_write_page+0x40f/0xac0
[  844.935704][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  844.935730][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  844.935770][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  844.935801][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.935834][ T6901]  ? release_pages+0x56c/0x5a0
[  844.935865][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  844.935908][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  844.935956][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.935985][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  844.936010][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  844.936037][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  844.936056][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.936115][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.936149][ T6901]  ? kernel_text_address+0xa5/0xe0
[  844.936205][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.936233][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.936272][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  844.936299][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  844.936331][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.936351][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  844.936369][ T6901]  do_writepages+0x32e/0x550
[  844.936404][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  844.936428][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  844.936459][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  844.936524][ T6901]  ? down_write+0x16d/0x200
[  844.936549][ T6901]  ? __pfx_down_write+0x10/0x10
[  844.936590][ T6901]  f2fs_collapse_range+0x48f/0x530
[  844.936610][ T6901]  ? inode_dio_wait+0x7f/0x270
[  844.936640][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  844.936667][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  844.936689][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  844.936712][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  844.936739][ T6901]  vfs_fallocate+0x669/0x7e0
[  844.936759][ T6901]  ? __fget_files+0x2a/0x420
[  844.936788][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  844.936806][ T6901]  ? __fget_files+0x2a/0x420
[  844.936840][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  844.936864][ T6901]  do_syscall_64+0x14d/0xf80
[  844.936886][ T6901]  ? trace_irq_disable+0x3b/0x150
[  844.936901][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.936919][ T6901]  ? clear_bhb_loop+0x40/0x90
[  844.936942][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  844.936960][ T6901] RIP: 0033:0x7f2a2eb9c629
[  844.936978][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  844.936991][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  844.937010][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  844.937023][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  844.937034][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  844.937045][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  844.937056][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  844.937088][ T6901]  </TASK>
[  844.957529][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  845.022803][ T7295] chnl_net:caif_netlink_parms(): no params data found
[  845.096264][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  845.096289][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  845.096300][ T6901] Call Trace:
[  845.096307][ T6901]  <TASK>
[  845.096315][ T6901]  dump_stack_lvl+0xe8/0x150
[  845.096347][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  845.096380][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  845.096418][ T6901]  __submit_merged_bio+0x256/0x700
[  845.096450][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  845.096505][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  845.096536][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  845.096570][ T6901]  do_write_page+0x40f/0xac0
[  845.096605][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  845.096631][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  845.096671][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  845.096702][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.096735][ T6901]  ? release_pages+0x56c/0x5a0
[  845.096765][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  845.096809][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  845.096856][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  845.096886][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  845.096910][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  845.096938][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  845.096957][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.097016][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  845.097049][ T6901]  ? kernel_text_address+0xa5/0xe0
[  845.097101][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.097129][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.097167][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.097195][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  845.097227][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  845.097247][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  845.097266][ T6901]  do_writepages+0x32e/0x550
[  845.097301][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  845.097325][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  845.097355][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  845.097422][ T6901]  ? down_write+0x16d/0x200
[  845.097447][ T6901]  ? __pfx_down_write+0x10/0x10
[  845.097482][ T6901]  f2fs_collapse_range+0x48f/0x530
[  845.097503][ T6901]  ? inode_dio_wait+0x7f/0x270
[  845.097532][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  845.097560][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  845.097586][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  845.097610][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  845.097637][ T6901]  vfs_fallocate+0x669/0x7e0
[  845.097656][ T6901]  ? __fget_files+0x2a/0x420
[  845.097685][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  845.097703][ T6901]  ? __fget_files+0x2a/0x420
[  845.097737][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  845.097761][ T6901]  do_syscall_64+0x14d/0xf80
[  845.097782][ T6901]  ? trace_irq_disable+0x3b/0x150
[  845.097798][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  845.097816][ T6901]  ? clear_bhb_loop+0x40/0x90
[  845.097839][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  845.097856][ T6901] RIP: 0033:0x7f2a2eb9c629
[  845.097874][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  845.097888][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  845.097907][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  845.097920][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  845.097930][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  845.097941][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  845.097952][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  845.097985][ T6901]  </TASK>
[  845.097993][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  845.109787][   T31] ffffffff8fbd0408
[  845.144936][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  845.144962][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  845.144973][ T6901] Call Trace:
[  845.144981][ T6901]  <TASK>
[  845.144989][ T6901]  dump_stack_lvl+0xe8/0x150
[  845.145020][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  845.145052][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  845.145091][ T6901]  __submit_merged_bio+0x256/0x700
[  845.145122][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  845.145178][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  845.145209][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  845.145244][ T6901]  do_write_page+0x40f/0xac0
[  845.145273][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  845.145298][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  845.145339][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  845.145371][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.145404][ T6901]  ? release_pages+0x56c/0x5a0
[  845.145434][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  845.145478][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  845.145525][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  845.145554][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  845.145586][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  845.145614][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  845.145633][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.145692][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  845.145725][ T6901]  ? kernel_text_address+0xa5/0xe0
[  845.145777][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.145805][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.145844][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.145871][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  845.145902][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  845.145922][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  845.145941][ T6901]  do_writepages+0x32e/0x550
[  845.145977][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  845.146000][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  845.146031][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  845.146097][ T6901]  ? down_write+0x16d/0x200
[  845.146123][ T6901]  ? __pfx_down_write+0x10/0x10
[  845.146163][ T6901]  f2fs_collapse_range+0x48f/0x530
[  845.146183][ T6901]  ? inode_dio_wait+0x7f/0x270
[  845.146212][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  845.146240][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  845.146262][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  845.146285][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  845.146313][ T6901]  vfs_fallocate+0x669/0x7e0
[  845.146332][ T6901]  ? __fget_files+0x2a/0x420
[  845.146362][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  845.146380][ T6901]  ? __fget_files+0x2a/0x420
[  845.146414][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  845.146438][ T6901]  do_syscall_64+0x14d/0xf80
[  845.146460][ T6901]  ? trace_irq_disable+0x3b/0x150
[  845.146475][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  845.146493][ T6901]  ? clear_bhb_loop+0x40/0x90
[  845.146516][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  845.146534][ T6901] RIP: 0033:0x7f2a2eb9c629
[  845.146552][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  845.146566][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  845.146590][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  845.146603][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  845.146613][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  845.146624][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  845.146636][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  845.146668][ T6901]  </TASK>
[  845.152283][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  845.165676][   T31]  (
[  845.172923][ T7224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  845.177876][   T31] rtnl_mutex){+.+.}-{4:4}, at: vlan_ioctl_handler+0xf0/0x630
[  845.177927][   T31] 2 locks held by getty/5586:
[  845.177940][   T31]  #0: ffff8880332d40a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  845.192033][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  845.192054][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  845.192065][ T6901] Call Trace:
[  845.192073][ T6901]  <TASK>
[  845.192081][ T6901]  dump_stack_lvl+0xe8/0x150
[  845.192114][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  845.192147][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  845.192185][ T6901]  __submit_merged_bio+0x256/0x700
[  845.192222][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  845.192277][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  845.192308][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  845.192342][ T6901]  do_write_page+0x40f/0xac0
[  845.192371][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  845.192397][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  845.192437][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  845.192469][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.192501][ T6901]  ? release_pages+0x56c/0x5a0
[  845.192531][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  845.192581][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  845.192627][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  845.192658][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  845.192682][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  845.192710][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  845.192729][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.192788][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  845.192820][ T6901]  ? kernel_text_address+0xa5/0xe0
[  845.192873][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.192900][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.192940][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.192968][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  845.192999][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  845.193018][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  845.193038][ T6901]  do_writepages+0x32e/0x550
[  845.193073][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  845.193097][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  845.193127][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  845.193195][ T6901]  ? down_write+0x16d/0x200
[  845.193219][ T6901]  ? __pfx_down_write+0x10/0x10
[  845.193255][ T6901]  f2fs_collapse_range+0x48f/0x530
[  845.193275][ T6901]  ? inode_dio_wait+0x7f/0x270
[  845.193304][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  845.193332][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  845.193354][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  845.193377][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  845.193404][ T6901]  vfs_fallocate+0x669/0x7e0
[  845.193422][ T6901]  ? __fget_files+0x2a/0x420
[  845.193452][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  845.193470][ T6901]  ? __fget_files+0x2a/0x420
[  845.193503][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  845.193527][ T6901]  do_syscall_64+0x14d/0xf80
[  845.193549][ T6901]  ? trace_irq_disable+0x3b/0x150
[  845.193564][ T6901]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  845.193588][ T6901]  ? clear_bhb_loop+0x40/0x90
[  845.193610][ T6901]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  845.193627][ T6901] RIP: 0033:0x7f2a2eb9c629
[  845.193645][ T6901] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  845.193660][ T6901] RSP: 002b:00007f2a2fad2028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  845.193679][ T6901] RAX: ffffffffffffffda RBX: 00007f2a2ee15fa0 RCX: 00007f2a2eb9c629
[  845.193692][ T6901] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  845.193702][ T6901] RBP: 00007f2a2ec32b39 R08: 0000000000000000 R09: 0000000000000000
[  845.193713][ T6901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  845.193724][ T6901] R13: 00007f2a2ee16038 R14: 00007f2a2ee15fa0 R15: 00007ffc9ee35258
[  845.193757][ T6901]  </TASK>
[  845.194710][ T6901] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  845.198904][   T31]  #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}
[  845.218114][ T6901] CPU: 1 UID: 0 PID: 6901 Comm: syz.2.28 Not tainted syzkaller #0 PREEMPT(full) 
[  845.218138][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  845.218149][ T6901] Call Trace:
[  845.218157][ T6901]  <TASK>
[  845.218165][ T6901]  dump_stack_lvl+0xe8/0x150
[  845.218193][ T6901]  f2fs_handle_critical_error+0x37c/0x540
[  845.218225][ T6901]  f2fs_write_end_io+0xcdb/0xff0
[  845.218264][ T6901]  __submit_merged_bio+0x256/0x700
[  845.218295][ T6901]  f2fs_submit_page_write+0xec4/0x23e0
[  845.218352][ T6901]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  845.218383][ T6901]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  845.218418][ T6901]  do_write_page+0x40f/0xac0
[  845.218449][ T6901]  f2fs_outplace_write_data+0x11a/0x220
[  845.218475][ T6901]  f2fs_do_write_data_page+0x123b/0x16f0
[  845.218515][ T6901]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  845.218548][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.218587][ T6901]  ? release_pages+0x56c/0x5a0
[  845.218617][ T6901]  f2fs_write_single_data_page+0x906/0x18b0
[  845.218663][ T6901]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  845.218710][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  845.218740][ T6901]  ? folio_clear_dirty_for_io+0x573/0x710
[  845.218765][ T6901]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  845.218792][ T6901]  f2fs_write_data_pages+0x1a5b/0x35e0
[  845.218811][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.218872][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  845.218905][ T6901]  ? kernel_text_address+0xa5/0xe0
[  845.218958][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.218987][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.219026][ T6901]  ? __lock_acquire+0x6b5/0x2cf0
[  845.219054][ T6901]  ? do_raw_spin_lock+0x12b/0x2f0
[  845.219086][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  845.219105][ T6901]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  845.219125][ T6901]  do_writepages+0x32e/0x550
[  845.219161][ T6901]  ? do_raw_spin_unlock+0xf5/0x210
[  845.219186][ T6901]  filemap_write_and_wait_range+0x335/0x3f0
[  845.219216][ T6901]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  845.219283][ T6901]  ? down_write+0x16d/0x200
[  845.219308][ T6901]  ? __pfx_down_write+0x10/0x10
[  845.219345][ T6901]  f2fs_collapse_range+0x48f/0x530
[  845.219365][ T6901]  ? inode_dio_wait+0x7f/0x270
[  845.219394][ T6901]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  845.219423][ T6901]  ? mnt_put_write_access_file+0xc0/0x100
[  845.219445][ T6901]  ? file_update_time_flags+0x400/0x4a0
[  845.219469][ T6901]  f2fs_fallocate+0x54d/0x9b0
[  845.219495][ T6901]  vfs_fallocate+0x669/0x7e0
[  845.219527][ T6901]  ? __fget_files+0x2a/0x420
[  845.219558][ T6901]  ? __pfx_vfs_fallocate+0x10/0x10
[  845.219581][ T6901]  ? __fget_files+0x2a/0x420
[  845.219615][ T6901]  __x64_sys_fallocate+0xc0/0x110
[  845.219639][ T6901]  do_syscall_64+0x14d/0xf80
[  845.219661][ T6901]  ? trace_irq_disable+0x3b/0x150