x10
[  306.506012][ T6465]  ? __pfx_down_write+0x10/0x10
[  306.506037][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  306.506061][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  306.506086][ T6465]  vfs_fallocate+0x669/0x7e0
[  306.506105][ T6465]  ? __fget_files+0x2a/0x420
[  306.506139][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  306.506160][ T6465]  ? __fget_files+0x2a/0x420
[  306.506189][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  306.506217][ T6465]  do_syscall_64+0x14d/0xf80
[  306.506237][ T6465]  ? trace_irq_disable+0x3b/0x150
[  306.506257][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.506278][ T6465]  ? clear_bhb_loop+0x40/0x90
[  306.506299][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.506318][ T6465] RIP: 0033:0x7fd621b9c629
[  306.506336][ T6465] 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
[  306.506350][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  306.506368][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  306.506379][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  306.506390][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  306.506401][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  306.506411][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  306.506443][ T6465]  </TASK>
[  306.506962][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  306.860665][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  306.860691][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  306.860702][ T6465] Call Trace:
[  306.860710][ T6465]  <TASK>
[  306.860718][ T6465]  dump_stack_lvl+0xe8/0x150
[  306.860749][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  306.860784][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  306.860827][ T6465]  __submit_merged_bio+0x256/0x700
[  306.860861][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  306.860917][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  306.860950][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  306.860979][ T6465]  do_write_page+0x40f/0xab0
[  306.861010][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  306.861038][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  306.861075][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  306.861114][ T6465]  ? release_pages+0x4a3/0x4d0
[  306.861139][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  306.861184][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  306.861225][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  306.861251][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  306.861272][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  306.861296][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  306.861356][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  306.861425][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  306.861473][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  306.861512][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  306.861540][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  306.861562][ T6465]  do_writepages+0x32e/0x550
[  306.861594][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  306.861620][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  306.861646][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  306.861707][ T6465]  ? down_write+0x16d/0x200
[  306.861731][ T6465]  ? __pfx_down_write+0x10/0x10
[  306.861765][ T6465]  f2fs_collapse_range+0x48f/0x530
[  306.861788][ T6465]  ? inode_dio_wait+0x7f/0x270
[  306.861820][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  306.861847][ T6465]  ? __pfx_down_write+0x10/0x10
[  306.861874][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  306.861901][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  306.861931][ T6465]  vfs_fallocate+0x669/0x7e0
[  306.861953][ T6465]  ? __fget_files+0x2a/0x420
[  306.861978][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  306.861999][ T6465]  ? __fget_files+0x2a/0x420
[  306.862028][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  306.862056][ T6465]  do_syscall_64+0x14d/0xf80
[  306.862076][ T6465]  ? trace_irq_disable+0x3b/0x150
[  306.862096][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.862115][ T6465]  ? clear_bhb_loop+0x40/0x90
[  306.862138][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.862156][ T6465] RIP: 0033:0x7fd621b9c629
[  306.862174][ T6465] 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
[  306.862195][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  306.862212][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  306.862224][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  306.862235][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  306.862246][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  306.862256][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  306.862287][ T6465]  </TASK>
[  306.863126][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  307.215666][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  307.215692][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  307.215702][ T6465] Call Trace:
[  307.215710][ T6465]  <TASK>
[  307.215718][ T6465]  dump_stack_lvl+0xe8/0x150
[  307.215750][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  307.215785][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  307.215830][ T6465]  __submit_merged_bio+0x256/0x700
[  307.215864][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  307.215952][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  307.215987][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  307.216017][ T6465]  do_write_page+0x40f/0xab0
[  307.216049][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  307.216077][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  307.216112][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  307.216153][ T6465]  ? release_pages+0x4a3/0x4d0
[  307.216181][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  307.216219][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  307.216259][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.216282][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  307.216303][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.216327][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  307.216391][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.216511][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.216568][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.216610][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.216638][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.216660][ T6465]  do_writepages+0x32e/0x550
[  307.216693][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.216721][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  307.216749][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  307.216812][ T6465]  ? down_write+0x16d/0x200
[  307.216835][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.216869][ T6465]  f2fs_collapse_range+0x48f/0x530
[  307.216895][ T6465]  ? inode_dio_wait+0x7f/0x270
[  307.216927][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  307.216954][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.216979][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  307.217003][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  307.217032][ T6465]  vfs_fallocate+0x669/0x7e0
[  307.217054][ T6465]  ? __fget_files+0x2a/0x420
[  307.217078][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  307.217099][ T6465]  ? __fget_files+0x2a/0x420
[  307.217129][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  307.217157][ T6465]  do_syscall_64+0x14d/0xf80
[  307.217178][ T6465]  ? trace_irq_disable+0x3b/0x150
[  307.217196][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.217213][ T6465]  ? clear_bhb_loop+0x40/0x90
[  307.217234][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.217252][ T6465] RIP: 0033:0x7fd621b9c629
[  307.217269][ T6465] 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
[  307.217283][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  307.217301][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  307.217313][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  307.217322][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  307.217334][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  307.217345][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  307.217378][ T6465]  </TASK>
[  307.217654][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  307.251360][ T6654] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  307.253982][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  307.254005][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  307.254016][ T6465] Call Trace:
[  307.254023][ T6465]  <TASK>
[  307.254032][ T6465]  dump_stack_lvl+0xe8/0x150
[  307.254062][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  307.254097][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  307.254141][ T6465]  __submit_merged_bio+0x256/0x700
[  307.254175][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  307.254234][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  307.254267][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  307.254295][ T6465]  do_write_page+0x40f/0xab0
[  307.254327][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  307.254355][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  307.254407][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  307.254448][ T6465]  ? release_pages+0x4a3/0x4d0
[  307.254481][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  307.254520][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  307.254562][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.254588][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  307.254609][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.254633][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  307.254694][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.254767][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.254818][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.254857][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.254886][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.254908][ T6465]  do_writepages+0x32e/0x550
[  307.254940][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.254965][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  307.254991][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  307.255055][ T6465]  ? down_write+0x16d/0x200
[  307.255080][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.255120][ T6465]  f2fs_collapse_range+0x48f/0x530
[  307.255143][ T6465]  ? inode_dio_wait+0x7f/0x270
[  307.255176][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  307.255205][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.255231][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  307.255258][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  307.255289][ T6465]  vfs_fallocate+0x669/0x7e0
[  307.255339][ T6465]  ? __fget_files+0x2a/0x420
[  307.255373][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  307.255394][ T6465]  ? __fget_files+0x2a/0x420
[  307.255424][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  307.255452][ T6465]  do_syscall_64+0x14d/0xf80
[  307.255477][ T6465]  ? trace_irq_disable+0x3b/0x150
[  307.255497][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.255516][ T6465]  ? clear_bhb_loop+0x40/0x90
[  307.255539][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.255557][ T6465] RIP: 0033:0x7fd621b9c629
[  307.255575][ T6465] 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
[  307.255589][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  307.255608][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  307.255621][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  307.255632][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  307.255643][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  307.255654][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  307.255686][ T6465]  </TASK>
[  307.255743][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  307.271506][ T6654] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  307.275835][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  307.275858][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  307.275870][ T6465] Call Trace:
[  307.275878][ T6465]  <TASK>
[  307.275885][ T6465]  dump_stack_lvl+0xe8/0x150
[  307.275931][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  307.275966][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  307.276010][ T6465]  __submit_merged_bio+0x256/0x700
[  307.276045][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  307.276102][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  307.276136][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  307.276164][ T6465]  do_write_page+0x40f/0xab0
[  307.276194][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  307.276221][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  307.276257][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  307.276297][ T6465]  ? release_pages+0x4a3/0x4d0
[  307.276324][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  307.276362][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  307.276404][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.276430][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  307.276451][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.276482][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  307.276543][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.276615][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.276665][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.276703][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.276732][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.276754][ T6465]  do_writepages+0x32e/0x550
[  307.276786][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.276811][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  307.276839][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  307.276903][ T6465]  ? down_write+0x16d/0x200
[  307.276929][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.276964][ T6465]  f2fs_collapse_range+0x48f/0x530
[  307.276987][ T6465]  ? inode_dio_wait+0x7f/0x270
[  307.277019][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  307.277046][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.277073][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  307.277099][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  307.277129][ T6465]  vfs_fallocate+0x669/0x7e0
[  307.277151][ T6465]  ? __fget_files+0x2a/0x420
[  307.277176][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  307.277197][ T6465]  ? __fget_files+0x2a/0x420
[  307.277226][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  307.277253][ T6465]  do_syscall_64+0x14d/0xf80
[  307.277273][ T6465]  ? trace_irq_disable+0x3b/0x150
[  307.277290][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.277308][ T6465]  ? clear_bhb_loop+0x40/0x90
[  307.277331][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.277349][ T6465] RIP: 0033:0x7fd621b9c629
[  307.277367][ T6465] 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
[  307.277381][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  307.277399][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  307.277412][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  307.277422][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  307.277434][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  307.277445][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  307.277514][ T6465]  </TASK>
[  307.277581][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  307.362338][ T6654] team0: Port device team_slave_0 added
[  307.375809][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  307.375833][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  307.375845][ T6465] Call Trace:
[  307.375853][ T6465]  <TASK>
[  307.375861][ T6465]  dump_stack_lvl+0xe8/0x150
[  307.375909][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  307.375944][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  307.375989][ T6465]  __submit_merged_bio+0x256/0x700
[  307.376027][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  307.376085][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  307.376118][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  307.376147][ T6465]  do_write_page+0x40f/0xab0
[  307.376179][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  307.376208][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  307.376242][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  307.376309][ T6465]  ? release_pages+0x4a3/0x4d0
[  307.376337][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  307.376385][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  307.376426][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.376458][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  307.376483][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.376507][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  307.376569][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.376647][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.376702][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.376741][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.376770][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.376792][ T6465]  do_writepages+0x32e/0x550
[  307.376824][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.376850][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  307.376877][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  307.376941][ T6465]  ? down_write+0x16d/0x200
[  307.376964][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.376999][ T6465]  f2fs_collapse_range+0x48f/0x530
[  307.377021][ T6465]  ? inode_dio_wait+0x7f/0x270
[  307.377054][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  307.377082][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.377109][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  307.377136][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  307.377166][ T6465]  vfs_fallocate+0x669/0x7e0
[  307.377188][ T6465]  ? __fget_files+0x2a/0x420
[  307.377214][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  307.377234][ T6465]  ? __fget_files+0x2a/0x420
[  307.377264][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  307.377292][ T6465]  do_syscall_64+0x14d/0xf80
[  307.377311][ T6465]  ? trace_irq_disable+0x3b/0x150
[  307.377330][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.377349][ T6465]  ? clear_bhb_loop+0x40/0x90
[  307.377372][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.377390][ T6465] RIP: 0033:0x7fd621b9c629
[  307.377408][ T6465] 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
[  307.377421][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  307.377441][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  307.377461][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  307.377472][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  307.377483][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  307.377493][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  307.377527][ T6465]  </TASK>
[  307.378419][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  307.388820][ T6654] team0: Port device team_slave_1 added
[  307.392345][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  307.392366][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  307.392378][ T6465] Call Trace:
[  307.392386][ T6465]  <TASK>
[  307.392395][ T6465]  dump_stack_lvl+0xe8/0x150
[  307.392426][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  307.392467][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  307.392512][ T6465]  __submit_merged_bio+0x256/0x700
[  307.392546][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  307.392604][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  307.392638][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  307.392667][ T6465]  do_write_page+0x40f/0xab0
[  307.392699][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  307.392728][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  307.392763][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  307.392803][ T6465]  ? release_pages+0x4a3/0x4d0
[  307.392830][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  307.392868][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  307.392911][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.392937][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  307.392957][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.392981][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  307.393044][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.393115][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.393163][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.393202][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.393231][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.393253][ T6465]  do_writepages+0x32e/0x550
[  307.393284][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.393311][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  307.393338][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  307.393401][ T6465]  ? down_write+0x16d/0x200
[  307.393425][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.393464][ T6465]  f2fs_collapse_range+0x48f/0x530
[  307.393486][ T6465]  ? inode_dio_wait+0x7f/0x270
[  307.393519][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  307.393547][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.393573][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  307.393600][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  307.393630][ T6465]  vfs_fallocate+0x669/0x7e0
[  307.393652][ T6465]  ? __fget_files+0x2a/0x420
[  307.393678][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  307.393699][ T6465]  ? __fget_files+0x2a/0x420
[  307.393729][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  307.393759][ T6465]  do_syscall_64+0x14d/0xf80
[  307.393778][ T6465]  ? trace_irq_disable+0x3b/0x150
[  307.393798][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.393816][ T6465]  ? clear_bhb_loop+0x40/0x90
[  307.393839][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.393856][ T6465] RIP: 0033:0x7fd621b9c629
[  307.393874][ T6465] 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
[  307.393888][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  307.393907][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  307.393921][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  307.393932][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  307.393943][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  307.393953][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  307.393987][ T6465]  </TASK>
[  307.394199][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  307.568225][ T5866] Bluetooth: hci2: command tx timeout
[  307.576613][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  307.576638][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  307.576650][ T6465] Call Trace:
[  307.576657][ T6465]  <TASK>
[  307.576666][ T6465]  dump_stack_lvl+0xe8/0x150
[  307.576697][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  307.576732][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  307.576777][ T6465]  __submit_merged_bio+0x256/0x700
[  307.576811][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  307.576878][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  307.576911][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  307.576941][ T6465]  do_write_page+0x40f/0xab0
[  307.576973][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  307.576998][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  307.577106][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  307.577147][ T6465]  ? release_pages+0x4a3/0x4d0
[  307.577175][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  307.577215][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  307.577264][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.577293][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  307.577315][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  307.577337][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  307.577408][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.577518][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.577566][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  307.577611][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.577641][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  307.577662][ T6465]  do_writepages+0x32e/0x550
[  307.577695][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  307.577722][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  307.577750][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  307.577815][ T6465]  ? down_write+0x16d/0x200
[  307.577839][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.577875][ T6465]  f2fs_collapse_range+0x48f/0x530
[  307.577899][ T6465]  ? inode_dio_wait+0x7f/0x270
[  307.577932][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  307.577959][ T6465]  ? __pfx_down_write+0x10/0x10
[  307.577982][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  307.578006][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  307.578032][ T6465]  vfs_fallocate+0x669/0x7e0
[  307.578054][ T6465]  ? __fget_files+0x2a/0x420
[  307.578081][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  307.578103][ T6465]  ? __fget_files+0x2a/0x420
[  307.578134][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  307.578163][ T6465]  do_syscall_64+0x14d/0xf80
[  307.578184][ T6465]  ? trace_irq_disable+0x3b/0x150
[  307.578204][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.578223][ T6465]  ? clear_bhb_loop+0x40/0x90
[  307.578245][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.578264][ T6465] RIP: 0033:0x7fd621b9c629
[  307.578284][ T6465] 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
[  307.578300][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  307.578320][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  307.578332][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  307.578343][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  307.578355][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  307.578366][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  307.578400][ T6465]  </TASK>
[  307.579436][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  309.344346][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  309.344371][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  309.344382][ T6465] Call Trace:
[  309.344390][ T6465]  <TASK>
[  309.344397][ T6465]  dump_stack_lvl+0xe8/0x150
[  309.344426][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  309.344450][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  309.344476][ T6465]  __submit_merged_bio+0x256/0x700
[  309.344497][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  309.344530][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  309.344550][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  309.344566][ T6465]  do_write_page+0x40f/0xab0
[  309.344585][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  309.344601][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  309.344620][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  309.344643][ T6465]  ? release_pages+0x4a3/0x4d0
[  309.344658][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  309.344679][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  309.344703][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  309.344725][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  309.344737][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  309.344750][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  309.344785][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  309.344826][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  309.344854][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  309.344877][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  309.344894][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  309.344906][ T6465]  do_writepages+0x32e/0x550
[  309.344924][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  309.344940][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  309.344956][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  309.344992][ T6465]  ? down_write+0x16d/0x200
[  309.345006][ T6465]  ? __pfx_down_write+0x10/0x10
[  309.345027][ T6465]  f2fs_collapse_range+0x48f/0x530
[  309.345040][ T6465]  ? inode_dio_wait+0x7f/0x270
[  309.345059][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  309.345075][ T6465]  ? __pfx_down_write+0x10/0x10
[  309.345091][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  309.345107][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  309.345124][ T6465]  vfs_fallocate+0x669/0x7e0
[  309.345137][ T6465]  ? __fget_files+0x2a/0x420
[  309.345152][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  309.345164][ T6465]  ? __fget_files+0x2a/0x420
[  309.345181][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  309.345197][ T6465]  do_syscall_64+0x14d/0xf80
[  309.345209][ T6465]  ? trace_irq_disable+0x3b/0x150
[  309.345223][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.345234][ T6465]  ? clear_bhb_loop+0x40/0x90
[  309.345247][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.345257][ T6465] RIP: 0033:0x7fd621b9c629
[  309.345268][ T6465] 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
[  309.345276][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  309.345288][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  309.345295][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  309.345301][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  309.345308][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  309.345314][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  309.345332][ T6465]  </TASK>
[  309.345543][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  309.695489][ T6465] CPU: 1 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  309.695516][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  309.695528][ T6465] Call Trace:
[  309.695536][ T6465]  <TASK>
[  309.695544][ T6465]  dump_stack_lvl+0xe8/0x150
[  309.695574][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  309.695607][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  309.695640][ T6465]  __submit_merged_bio+0x256/0x700
[  309.695681][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  309.695722][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  309.695746][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  309.695768][ T6465]  do_write_page+0x40f/0xab0
[  309.695794][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  309.695815][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  309.695843][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  309.695875][ T6465]  ? release_pages+0x4a3/0x4d0
[  309.695894][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  309.695923][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  309.695953][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  309.695973][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  309.695988][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  309.696006][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  309.696053][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  309.696109][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  309.696152][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  309.696191][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  309.696213][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  309.696229][ T6465]  do_writepages+0x32e/0x550
[  309.696254][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  309.696274][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  309.696303][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  309.696359][ T6465]  ? down_write+0x16d/0x200
[  309.696380][ T6465]  ? __pfx_down_write+0x10/0x10
[  309.696410][ T6465]  f2fs_collapse_range+0x48f/0x530
[  309.696431][ T6465]  ? inode_dio_wait+0x7f/0x270
[  309.696458][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  309.696481][ T6465]  ? __pfx_down_write+0x10/0x10
[  309.696505][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  309.696528][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  309.696555][ T6465]  vfs_fallocate+0x669/0x7e0
[  309.696576][ T6465]  ? __fget_files+0x2a/0x420
[  309.696599][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  309.696619][ T6465]  ? __fget_files+0x2a/0x420
[  309.696645][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  309.696672][ T6465]  do_syscall_64+0x14d/0xf80
[  309.696689][ T6465]  ? trace_irq_disable+0x3b/0x150
[  309.696704][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.696720][ T6465]  ? clear_bhb_loop+0x40/0x90
[  309.696742][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.696759][ T6465] RIP: 0033:0x7fd621b9c629
[  309.696776][ T6465] 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
[  309.696789][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  309.696807][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  309.696819][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  309.696828][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  309.696838][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  309.696848][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  309.696878][ T6465]  </TASK>
[  309.697000][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  310.051306][ T6465] CPU: 1 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  310.051329][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  310.051339][ T6465] Call Trace:
[  310.051346][ T6465]  <TASK>
[  310.051352][ T6465]  dump_stack_lvl+0xe8/0x150
[  310.051380][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  310.051416][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  310.051457][ T6465]  __submit_merged_bio+0x256/0x700
[  310.051489][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  310.051544][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  310.051572][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  310.051600][ T6465]  do_write_page+0x40f/0xab0
[  310.051629][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  310.051651][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  310.051679][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  310.051712][ T6465]  ? release_pages+0x4a3/0x4d0
[  310.051731][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  310.051762][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  310.051796][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  310.051816][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  310.051842][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  310.051862][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  310.051916][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  310.051979][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  310.052021][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  310.052055][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  310.052080][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  310.052100][ T6465]  do_writepages+0x32e/0x550
[  310.052128][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  310.052154][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  310.052180][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  310.052242][ T6465]  ? down_write+0x16d/0x200
[  310.052260][ T6465]  ? __pfx_down_write+0x10/0x10
[  310.052292][ T6465]  f2fs_collapse_range+0x48f/0x530
[  310.052313][ T6465]  ? inode_dio_wait+0x7f/0x270
[  310.052340][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  310.052362][ T6465]  ? __pfx_down_write+0x10/0x10
[  310.052384][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  310.052407][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  310.052437][ T6465]  vfs_fallocate+0x669/0x7e0
[  310.052459][ T6465]  ? __fget_files+0x2a/0x420
[  310.052485][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  310.052504][ T6465]  ? __fget_files+0x2a/0x420
[  310.052534][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  310.052562][ T6465]  do_syscall_64+0x14d/0xf80
[  310.052587][ T6465]  ? trace_irq_disable+0x3b/0x150
[  310.052605][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.052624][ T6465]  ? clear_bhb_loop+0x40/0x90
[  310.052643][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.052657][ T6465] RIP: 0033:0x7fd621b9c629
[  310.052671][ T6465] 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
[  310.052682][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  310.052696][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  310.052706][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  310.052714][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  310.052722][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  310.052730][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  310.052756][ T6465]  </TASK>
[  310.054750][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  310.405396][ T6465] CPU: 1 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  310.405421][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  310.405432][ T6465] Call Trace:
[  310.405440][ T6465]  <TASK>
[  310.405448][ T6465]  dump_stack_lvl+0xe8/0x150
[  310.405474][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  310.405501][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  310.405533][ T6465]  __submit_merged_bio+0x256/0x700
[  310.405558][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  310.405600][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  310.405624][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  310.405645][ T6465]  do_write_page+0x40f/0xab0
[  310.405668][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  310.405689][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  310.405714][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  310.405742][ T6465]  ? release_pages+0x4a3/0x4d0
[  310.405762][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  310.405790][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  310.405820][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  310.405840][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  310.405856][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  310.405873][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  310.405917][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  310.405967][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  310.406003][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  310.406031][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  310.406052][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  310.406068][ T6465]  do_writepages+0x32e/0x550
[  310.406098][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  310.406118][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  310.406144][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  310.406189][ T6465]  ? down_write+0x16d/0x200
[  310.406208][ T6465]  ? __pfx_down_write+0x10/0x10
[  310.406242][ T6465]  f2fs_collapse_range+0x48f/0x530
[  310.406259][ T6465]  ? inode_dio_wait+0x7f/0x270
[  310.406283][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  310.406308][ T6465]  ? __pfx_down_write+0x10/0x10
[  310.406329][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  310.406349][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  310.406371][ T6465]  vfs_fallocate+0x669/0x7e0
[  310.406388][ T6465]  ? __fget_files+0x2a/0x420
[  310.406407][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  310.406427][ T6465]  ? __fget_files+0x2a/0x420
[  310.406449][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  310.406469][ T6465]  do_syscall_64+0x14d/0xf80
[  310.406488][ T6465]  ? trace_irq_disable+0x3b/0x150
[  310.406503][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.406518][ T6465]  ? clear_bhb_loop+0x40/0x90
[  310.406538][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.406552][ T6465] RIP: 0033:0x7fd621b9c629
[  310.406567][ T6465] 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
[  310.406578][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  310.406593][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  310.406603][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  310.406612][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  310.406621][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  310.406629][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  310.406652][ T6465]  </TASK>
[  310.407122][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  310.756778][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  310.756808][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  310.756818][ T6465] Call Trace:
[  310.756826][ T6465]  <TASK>
[  310.756833][ T6465]  dump_stack_lvl+0xe8/0x150
[  310.756862][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  310.756894][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  310.756934][ T6465]  __submit_merged_bio+0x256/0x700
[  310.756966][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  310.757018][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  310.757048][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  310.757075][ T6465]  do_write_page+0x40f/0xab0
[  310.757105][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  310.757129][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  310.757160][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  310.757197][ T6465]  ? release_pages+0x4a3/0x4d0
[  310.757223][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  310.757262][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  310.757302][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  310.757328][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  310.757349][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  310.757372][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  310.757434][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  310.757507][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  310.757557][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  310.757602][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  310.757632][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  310.757654][ T6465]  do_writepages+0x32e/0x550
[  310.757687][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  310.757712][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  310.757738][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  310.757804][ T6465]  ? down_write+0x16d/0x200
[  310.757827][ T6465]  ? __pfx_down_write+0x10/0x10
[  310.757861][ T6465]  f2fs_collapse_range+0x48f/0x530
[  310.757884][ T6465]  ? inode_dio_wait+0x7f/0x270
[  310.757913][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  310.757935][ T6465]  ? __pfx_down_write+0x10/0x10
[  310.757963][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  310.757987][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  310.758016][ T6465]  vfs_fallocate+0x669/0x7e0
[  310.758037][ T6465]  ? __fget_files+0x2a/0x420
[  310.758063][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  310.758083][ T6465]  ? __fget_files+0x2a/0x420
[  310.758110][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  310.758133][ T6465]  do_syscall_64+0x14d/0xf80
[  310.758148][ T6465]  ? trace_irq_disable+0x3b/0x150
[  310.758162][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.758176][ T6465]  ? clear_bhb_loop+0x40/0x90
[  310.758195][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.758208][ T6465] RIP: 0033:0x7fd621b9c629
[  310.758223][ T6465] 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
[  310.758233][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  310.758248][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  310.758258][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  310.758266][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  310.758274][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  310.758281][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  310.758309][ T6465]  </TASK>
[  311.101091][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  311.118132][ T6465] CPU: 1 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  311.118167][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  311.118177][ T6465] Call Trace:
[  311.118185][ T6465]  <TASK>
[  311.118191][ T6465]  dump_stack_lvl+0xe8/0x150
[  311.118220][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  311.118251][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  311.118288][ T6465]  __submit_merged_bio+0x256/0x700
[  311.118318][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  311.118371][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  311.118401][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  311.118425][ T6465]  do_write_page+0x40f/0xab0
[  311.118451][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  311.118476][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  311.118509][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  311.118544][ T6465]  ? release_pages+0x4a3/0x4d0
[  311.118568][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  311.118602][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  311.118644][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  311.118667][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  311.118686][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  311.118707][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  311.118761][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  311.118820][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  311.118865][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  311.118900][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  311.118926][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  311.118943][ T6465]  do_writepages+0x32e/0x550
[  311.118970][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  311.118995][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  311.119020][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  311.119073][ T6465]  ? down_write+0x16d/0x200
[  311.119095][ T6465]  ? __pfx_down_write+0x10/0x10
[  311.119127][ T6465]  f2fs_collapse_range+0x48f/0x530
[  311.119157][ T6465]  ? inode_dio_wait+0x7f/0x270
[  311.119186][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  311.119212][ T6465]  ? __pfx_down_write+0x10/0x10
[  311.119238][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  311.119263][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  311.119288][ T6465]  vfs_fallocate+0x669/0x7e0
[  311.119308][ T6465]  ? __fget_files+0x2a/0x420
[  311.119329][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  311.119348][ T6465]  ? __fget_files+0x2a/0x420
[  311.119374][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  311.119401][ T6465]  do_syscall_64+0x14d/0xf80
[  311.119422][ T6465]  ? trace_irq_disable+0x3b/0x150
[  311.119441][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.119459][ T6465]  ? clear_bhb_loop+0x40/0x90
[  311.119483][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.119502][ T6465] RIP: 0033:0x7fd621b9c629
[  311.119520][ T6465] 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
[  311.119535][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  311.119563][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  311.119574][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  311.119585][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  311.119597][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  311.119607][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  311.119639][ T6465]  </TASK>
[  311.119728][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  311.473601][ T6465] CPU: 1 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  311.473626][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  311.473637][ T6465] Call Trace:
[  311.473644][ T6465]  <TASK>
[  311.473651][ T6465]  dump_stack_lvl+0xe8/0x150
[  311.473683][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  311.473728][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  311.473773][ T6465]  __submit_merged_bio+0x256/0x700
[  311.473807][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  311.473865][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  311.473899][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  311.473928][ T6465]  do_write_page+0x40f/0xab0
[  311.473959][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  311.473987][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  311.474021][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  311.474060][ T6465]  ? release_pages+0x4a3/0x4d0
[  311.474086][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  311.474125][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  311.474166][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  311.474193][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  311.474214][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  311.474236][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  311.474299][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  311.474370][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  311.474419][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  311.474459][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  311.474488][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  311.474510][ T6465]  do_writepages+0x32e/0x550
[  311.474542][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  311.474567][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  311.474594][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  311.474645][ T6465]  ? down_write+0x16d/0x200
[  311.474663][ T6465]  ? __pfx_down_write+0x10/0x10
[  311.474691][ T6465]  f2fs_collapse_range+0x48f/0x530
[  311.474710][ T6465]  ? inode_dio_wait+0x7f/0x270
[  311.474744][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  311.474764][ T6465]  ? __pfx_down_write+0x10/0x10
[  311.474787][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  311.474808][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  311.474831][ T6465]  vfs_fallocate+0x669/0x7e0
[  311.474850][ T6465]  ? __fget_files+0x2a/0x420
[  311.474871][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  311.474887][ T6465]  ? __fget_files+0x2a/0x420
[  311.474911][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  311.474937][ T6465]  do_syscall_64+0x14d/0xf80
[  311.474955][ T6465]  ? trace_irq_disable+0x3b/0x150
[  311.474974][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.474992][ T6465]  ? clear_bhb_loop+0x40/0x90
[  311.475013][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.475028][ T6465] RIP: 0033:0x7fd621b9c629
[  311.475044][ T6465] 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
[  311.475054][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  311.475069][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  311.475079][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  311.475087][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  311.475095][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  311.475103][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  311.475132][ T6465]  </TASK>
[  311.475607][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  311.478428][   T12] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  311.485075][ T6465] CPU: 1 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  311.485093][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  311.485101][ T6465] Call Trace:
[  311.485108][ T6465]  <TASK>
[  311.485114][ T6465]  dump_stack_lvl+0xe8/0x150
[  311.485141][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  311.485169][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  311.485204][ T6465]  __submit_merged_bio+0x256/0x700
[  311.485233][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  311.485279][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  311.485305][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  311.485334][ T6465]  do_write_page+0x40f/0xab0
[  311.485360][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  311.485384][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  311.485413][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  311.485449][ T6465]  ? release_pages+0x4a3/0x4d0
[  311.485470][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  311.485501][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  311.485537][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  311.485559][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  311.485576][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  311.485598][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  311.485658][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  311.485734][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  311.485781][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  311.485820][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  311.485849][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  311.485871][ T6465]  do_writepages+0x32e/0x550
[  311.485903][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  311.485930][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  311.485957][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  311.486021][ T6465]  ? down_write+0x16d/0x200
[  311.486044][ T6465]  ? __pfx_down_write+0x10/0x10
[  311.486079][ T6465]  f2fs_collapse_range+0x48f/0x530
[  311.486101][ T6465]  ? inode_dio_wait+0x7f/0x270
[  311.486134][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  311.486161][ T6465]  ? __pfx_down_write+0x10/0x10
[  311.486188][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  311.486215][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  311.486244][ T6465]  vfs_fallocate+0x669/0x7e0
[  311.486267][ T6465]  ? __fget_files+0x2a/0x420
[  311.486293][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  311.486314][ T6465]  ? __fget_files+0x2a/0x420
[  311.486343][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  311.486371][ T6465]  do_syscall_64+0x14d/0xf80
[  311.486398][ T6465]  ? trace_irq_disable+0x3b/0x150
[  311.486418][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.486439][ T6465]  ? clear_bhb_loop+0x40/0x90
[  311.486462][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.486480][ T6465] RIP: 0033:0x7fd621b9c629
[  311.486499][ T6465] 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
[  311.486513][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  311.486532][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  311.486545][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  311.486556][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  311.486566][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  311.486577][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  311.486611][ T6465]  </TASK>
[  311.486682][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  312.192892][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  312.192917][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  312.192929][ T6465] Call Trace:
[  312.192939][ T6465]  <TASK>
[  312.192948][ T6465]  dump_stack_lvl+0xe8/0x150
[  312.192980][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  312.193027][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  312.193075][ T6465]  __submit_merged_bio+0x256/0x700
[  312.193109][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  312.193166][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  312.193199][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  312.193228][ T6465]  do_write_page+0x40f/0xab0
[  312.193260][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  312.193288][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  312.193323][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  312.193362][ T6465]  ? release_pages+0x4a3/0x4d0
[  312.193388][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  312.193427][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  312.193468][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.193494][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  312.193515][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.193539][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  312.193599][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.193672][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.193720][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.193759][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.193787][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.193809][ T6465]  do_writepages+0x32e/0x550
[  312.193844][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.193871][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  312.193898][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  312.193959][ T6465]  ? down_write+0x16d/0x200
[  312.193988][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.194022][ T6465]  f2fs_collapse_range+0x48f/0x530
[  312.194045][ T6465]  ? inode_dio_wait+0x7f/0x270
[  312.194077][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  312.194105][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.194132][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  312.194159][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  312.194189][ T6465]  vfs_fallocate+0x669/0x7e0
[  312.194211][ T6465]  ? __fget_files+0x2a/0x420
[  312.194244][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  312.194265][ T6465]  ? __fget_files+0x2a/0x420
[  312.194294][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  312.194322][ T6465]  do_syscall_64+0x14d/0xf80
[  312.194343][ T6465]  ? trace_irq_disable+0x3b/0x150
[  312.194367][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.194386][ T6465]  ? clear_bhb_loop+0x40/0x90
[  312.194409][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.194428][ T6465] RIP: 0033:0x7fd621b9c629
[  312.194447][ T6465] 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
[  312.194461][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  312.194480][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  312.194493][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  312.194505][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  312.194516][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  312.194528][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  312.194560][ T6465]  </TASK>
[  312.196486][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  312.208268][ T6654] batman_adv: batadv0: Adding interface: batadv_slave_0
[  312.223741][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  312.223768][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  312.223780][ T6465] Call Trace:
[  312.223789][ T6465]  <TASK>
[  312.223798][ T6465]  dump_stack_lvl+0xe8/0x150
[  312.223829][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  312.223866][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  312.223909][ T6465]  __submit_merged_bio+0x256/0x700
[  312.223951][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  312.224005][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  312.224038][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  312.224065][ T6465]  do_write_page+0x40f/0xab0
[  312.224096][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  312.224124][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  312.224162][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  312.224200][ T6465]  ? release_pages+0x4a3/0x4d0
[  312.224226][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  312.224264][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  312.224304][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.224329][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  312.224351][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.224375][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  312.224433][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.224499][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.224545][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.224583][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.224610][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.224633][ T6465]  do_writepages+0x32e/0x550
[  312.224664][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.224690][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  312.224717][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  312.224776][ T6465]  ? down_write+0x16d/0x200
[  312.224799][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.224832][ T6465]  f2fs_collapse_range+0x48f/0x530
[  312.224855][ T6465]  ? inode_dio_wait+0x7f/0x270
[  312.224887][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  312.224914][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.224941][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  312.224974][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  312.225004][ T6465]  vfs_fallocate+0x669/0x7e0
[  312.225027][ T6465]  ? __fget_files+0x2a/0x420
[  312.225052][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  312.225073][ T6465]  ? __fget_files+0x2a/0x420
[  312.225102][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  312.225130][ T6465]  do_syscall_64+0x14d/0xf80
[  312.225151][ T6465]  ? trace_irq_disable+0x3b/0x150
[  312.225171][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.225189][ T6465]  ? clear_bhb_loop+0x40/0x90
[  312.225212][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.225231][ T6465] RIP: 0033:0x7fd621b9c629
[  312.225249][ T6465] 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
[  312.225263][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  312.225283][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  312.225296][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  312.225308][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  312.225320][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  312.225331][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  312.225363][ T6465]  </TASK>
[  312.225398][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  312.229924][ T6654] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  312.239805][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  312.239830][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  312.239841][ T6465] Call Trace:
[  312.239849][ T6465]  <TASK>
[  312.239857][ T6465]  dump_stack_lvl+0xe8/0x150
[  312.239888][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  312.239922][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  312.239971][ T6465]  __submit_merged_bio+0x256/0x700
[  312.240005][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  312.240059][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  312.240091][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  312.240119][ T6465]  do_write_page+0x40f/0xab0
[  312.240149][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  312.240176][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  312.240208][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  312.240245][ T6465]  ? release_pages+0x4a3/0x4d0
[  312.240270][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  312.240307][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  312.240346][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.240372][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  312.240393][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.240416][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  312.240471][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.240539][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.240586][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.240622][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.240649][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.240670][ T6465]  do_writepages+0x32e/0x550
[  312.240700][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.240725][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  312.240751][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  312.240809][ T6465]  ? down_write+0x16d/0x200
[  312.240831][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.240865][ T6465]  f2fs_collapse_range+0x48f/0x530
[  312.240887][ T6465]  ? inode_dio_wait+0x7f/0x270
[  312.240918][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  312.240950][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.240976][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  312.241002][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  312.241030][ T6465]  vfs_fallocate+0x669/0x7e0
[  312.241052][ T6465]  ? __fget_files+0x2a/0x420
[  312.241076][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  312.241097][ T6465]  ? __fget_files+0x2a/0x420
[  312.241125][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  312.241151][ T6465]  do_syscall_64+0x14d/0xf80
[  312.241171][ T6465]  ? trace_irq_disable+0x3b/0x150
[  312.241191][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.241209][ T6465]  ? clear_bhb_loop+0x40/0x90
[  312.241230][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.241247][ T6465] RIP: 0033:0x7fd621b9c629
[  312.241265][ T6465] 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
[  312.241280][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  312.241298][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  312.241312][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  312.241322][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  312.241333][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  312.241344][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  312.241375][ T6465]  </TASK>
[  312.241408][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  312.247726][ T6654] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[  312.251514][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  312.251538][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  312.251549][ T6465] Call Trace:
[  312.251557][ T6465]  <TASK>
[  312.251565][ T6465]  dump_stack_lvl+0xe8/0x150
[  312.251596][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  312.251630][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  312.251673][ T6465]  __submit_merged_bio+0x256/0x700
[  312.251709][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  312.251764][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  312.251795][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  312.251823][ T6465]  do_write_page+0x40f/0xab0
[  312.251853][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  312.251881][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  312.251914][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  312.251957][ T6465]  ? release_pages+0x4a3/0x4d0
[  312.251982][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  312.252019][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  312.252058][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.252082][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  312.252103][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.252126][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  312.252182][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.252248][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.252293][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.252330][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.252357][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.252378][ T6465]  do_writepages+0x32e/0x550
[  312.252408][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.252433][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  312.252460][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  312.252517][ T6465]  ? down_write+0x16d/0x200
[  312.252540][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.252573][ T6465]  f2fs_collapse_range+0x48f/0x530
[  312.252595][ T6465]  ? inode_dio_wait+0x7f/0x270
[  312.252625][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  312.252652][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.252678][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  312.252704][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  312.252732][ T6465]  vfs_fallocate+0x669/0x7e0
[  312.252754][ T6465]  ? __fget_files+0x2a/0x420
[  312.252779][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  312.252799][ T6465]  ? __fget_files+0x2a/0x420
[  312.252827][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  312.252854][ T6465]  do_syscall_64+0x14d/0xf80
[  312.252873][ T6465]  ? trace_irq_disable+0x3b/0x150
[  312.252891][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.252909][ T6465]  ? clear_bhb_loop+0x40/0x90
[  312.252931][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.252954][ T6465] RIP: 0033:0x7fd621b9c629
[  312.252972][ T6465] 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
[  312.252984][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  312.253003][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  312.253016][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  312.253027][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  312.253038][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  312.253049][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  312.253080][ T6465]  </TASK>
[  312.253112][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  312.263809][ T6654] batman_adv: batadv0: Adding interface: batadv_slave_1
[  312.298247][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  312.298270][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  312.298282][ T6465] Call Trace:
[  312.298290][ T6465]  <TASK>
[  312.298298][ T6465]  dump_stack_lvl+0xe8/0x150
[  312.298329][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  312.298362][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  312.298404][ T6465]  __submit_merged_bio+0x256/0x700
[  312.298437][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  312.298482][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  312.298508][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  312.298530][ T6465]  do_write_page+0x40f/0xab0
[  312.298556][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  312.298583][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  312.298620][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  312.298657][ T6465]  ? release_pages+0x4a3/0x4d0
[  312.298682][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  312.298719][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  312.298758][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.298783][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  312.298804][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.298827][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  312.298883][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.298957][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.299004][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.299040][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.299067][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.299089][ T6465]  do_writepages+0x32e/0x550
[  312.299118][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.299144][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  312.299170][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  312.299227][ T6465]  ? down_write+0x16d/0x200
[  312.299250][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.299283][ T6465]  f2fs_collapse_range+0x48f/0x530
[  312.299305][ T6465]  ? inode_dio_wait+0x7f/0x270
[  312.299336][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  312.299363][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.299389][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  312.299415][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  312.299446][ T6465]  vfs_fallocate+0x669/0x7e0
[  312.299467][ T6465]  ? __fget_files+0x2a/0x420
[  312.299491][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  312.299513][ T6465]  ? __fget_files+0x2a/0x420
[  312.299541][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  312.299567][ T6465]  do_syscall_64+0x14d/0xf80
[  312.299587][ T6465]  ? trace_irq_disable+0x3b/0x150
[  312.299605][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.299624][ T6465]  ? clear_bhb_loop+0x40/0x90
[  312.299646][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.299662][ T6465] RIP: 0033:0x7fd621b9c629
[  312.299680][ T6465] 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
[  312.299694][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  312.299713][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  312.299726][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  312.299737][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  312.299747][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  312.299758][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  312.299789][ T6465]  </TASK>
[  312.301241][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  312.306808][ T6654] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  312.338229][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  312.338254][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  312.338265][ T6465] Call Trace:
[  312.338274][ T6465]  <TASK>
[  312.338282][ T6465]  dump_stack_lvl+0xe8/0x150
[  312.338312][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  312.338346][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  312.338388][ T6465]  __submit_merged_bio+0x256/0x700
[  312.338421][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  312.338476][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  312.338506][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  312.338534][ T6465]  do_write_page+0x40f/0xab0
[  312.338564][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  312.338591][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  312.338624][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  312.338661][ T6465]  ? release_pages+0x4a3/0x4d0
[  312.338686][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  312.338723][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  312.338762][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.338787][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  312.338808][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.338830][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  312.338888][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.338964][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.339009][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.339047][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.339078][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.339103][ T6465]  do_writepages+0x32e/0x550
[  312.339134][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.339159][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  312.339191][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  312.339250][ T6465]  ? down_write+0x16d/0x200
[  312.339273][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.339306][ T6465]  f2fs_collapse_range+0x48f/0x530
[  312.339328][ T6465]  ? inode_dio_wait+0x7f/0x270
[  312.339359][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  312.339386][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.339414][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  312.339439][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  312.339468][ T6465]  vfs_fallocate+0x669/0x7e0
[  312.339490][ T6465]  ? __fget_files+0x2a/0x420
[  312.339514][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  312.339538][ T6465]  ? __fget_files+0x2a/0x420
[  312.339566][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  312.339596][ T6465]  do_syscall_64+0x14d/0xf80
[  312.339616][ T6465]  ? trace_irq_disable+0x3b/0x150
[  312.339636][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.339654][ T6465]  ? clear_bhb_loop+0x40/0x90
[  312.339676][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.339693][ T6465] RIP: 0033:0x7fd621b9c629
[  312.339710][ T6465] 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
[  312.339724][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  312.339743][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  312.339756][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  312.339767][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  312.339778][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  312.339788][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  312.339819][ T6465]  </TASK>
[  312.340655][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  312.340977][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  312.340997][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  312.341008][ T6465] Call Trace:
[  312.341016][ T6465]  <TASK>
[  312.341023][ T6465]  dump_stack_lvl+0xe8/0x150
[  312.341052][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  312.341086][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  312.341127][ T6465]  __submit_merged_bio+0x256/0x700
[  312.341160][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  312.341215][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  312.341246][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  312.341274][ T6465]  do_write_page+0x40f/0xab0
[  312.341308][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  312.341336][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  312.341369][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  312.341406][ T6465]  ? release_pages+0x4a3/0x4d0
[  312.341430][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  312.341466][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  312.341506][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.341531][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  312.341552][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.341576][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  312.341631][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.341697][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.341743][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.341779][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.341807][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.341828][ T6465]  do_writepages+0x32e/0x550
[  312.341858][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.341884][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  312.341910][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  312.341974][ T6465]  ? down_write+0x16d/0x200
[  312.341998][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.342030][ T6465]  f2fs_collapse_range+0x48f/0x530
[  312.342053][ T6465]  ? inode_dio_wait+0x7f/0x270
[  312.342084][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  312.342110][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.342136][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  312.342162][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  312.342191][ T6465]  vfs_fallocate+0x669/0x7e0
[  312.342212][ T6465]  ? __fget_files+0x2a/0x420
[  312.342236][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  312.342257][ T6465]  ? __fget_files+0x2a/0x420
[  312.342283][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  312.342311][ T6465]  do_syscall_64+0x14d/0xf80
[  312.342329][ T6465]  ? trace_irq_disable+0x3b/0x150
[  312.342348][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.342367][ T6465]  ? clear_bhb_loop+0x40/0x90
[  312.342389][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.342406][ T6465] RIP: 0033:0x7fd621b9c629
[  312.342423][ T6465] 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
[  312.342437][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  312.342456][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  312.342469][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  312.342480][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  312.342491][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  312.342502][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  312.342533][ T6465]  </TASK>
[  312.342565][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  312.346193][ T6654] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[  312.371171][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  312.371196][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  312.371207][ T6465] Call Trace:
[  312.371215][ T6465]  <TASK>
[  312.371223][ T6465]  dump_stack_lvl+0xe8/0x150
[  312.371259][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  312.371294][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  312.371334][ T6465]  __submit_merged_bio+0x256/0x700
[  312.371367][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  312.371421][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  312.371451][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  312.371479][ T6465]  do_write_page+0x40f/0xab0
[  312.371510][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  312.371536][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  312.371569][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  312.371607][ T6465]  ? release_pages+0x4a3/0x4d0
[  312.371630][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  312.371667][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  312.371706][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.371730][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  312.371751][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  312.371773][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  312.371829][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.371895][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.371947][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  312.371984][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.372012][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  312.372033][ T6465]  do_writepages+0x32e/0x550
[  312.372063][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  312.372088][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  312.372114][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  312.372172][ T6465]  ? down_write+0x16d/0x200
[  312.372195][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.372227][ T6465]  f2fs_collapse_range+0x48f/0x530
[  312.372250][ T6465]  ? inode_dio_wait+0x7f/0x270
[  312.372280][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  312.372306][ T6465]  ? __pfx_down_write+0x10/0x10
[  312.372331][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  312.372358][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  312.372386][ T6465]  vfs_fallocate+0x669/0x7e0
[  312.372407][ T6465]  ? __fget_files+0x2a/0x420
[  312.372430][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  312.372451][ T6465]  ? __fget_files+0x2a/0x420
[  312.372478][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  312.372504][ T6465]  do_syscall_64+0x14d/0xf80
[  312.372524][ T6465]  ? trace_irq_disable+0x3b/0x150
[  312.372543][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.372561][ T6465]  ? clear_bhb_loop+0x40/0x90
[  312.372582][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.372600][ T6465] RIP: 0033:0x7fd621b9c629
[  312.372617][ T6465] 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
[  312.372631][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  312.372650][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  312.372663][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  312.372674][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  312.372685][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  312.372696][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  312.372726][ T6465]  </TASK>
[  312.378937][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  315.080965][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  315.080987][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  315.080997][ T6465] Call Trace:
[  315.081004][ T6465]  <TASK>
[  315.081010][ T6465]  dump_stack_lvl+0xe8/0x150
[  315.081038][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  315.081072][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  315.081114][ T6465]  __submit_merged_bio+0x256/0x700
[  315.081147][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  315.081199][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  315.081227][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  315.081253][ T6465]  do_write_page+0x40f/0xab0
[  315.081280][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  315.081304][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  315.081339][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  315.081386][ T6465]  ? release_pages+0x4a3/0x4d0
[  315.081412][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  315.081444][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  315.081482][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  315.081505][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  315.081526][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  315.081548][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  315.081603][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  315.081672][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  315.081716][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  315.081751][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  315.081778][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  315.081800][ T6465]  do_writepages+0x32e/0x550
[  315.081832][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  315.081856][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  315.081880][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  315.081931][ T6465]  ? down_write+0x16d/0x200
[  315.081950][ T6465]  ? __pfx_down_write+0x10/0x10
[  315.081978][ T6465]  f2fs_collapse_range+0x48f/0x530
[  315.081996][ T6465]  ? inode_dio_wait+0x7f/0x270
[  315.082023][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  315.082048][ T6465]  ? __pfx_down_write+0x10/0x10
[  315.082072][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  315.082096][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  315.082123][ T6465]  vfs_fallocate+0x669/0x7e0
[  315.082143][ T6465]  ? __fget_files+0x2a/0x420
[  315.082167][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  315.082186][ T6465]  ? __fget_files+0x2a/0x420
[  315.082213][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  315.082235][ T6465]  do_syscall_64+0x14d/0xf80
[  315.082252][ T6465]  ? trace_irq_disable+0x3b/0x150
[  315.082268][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.082285][ T6465]  ? clear_bhb_loop+0x40/0x90
[  315.082308][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.082325][ T6465] RIP: 0033:0x7fd621b9c629
[  315.082343][ T6465] 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
[  315.082365][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  315.082383][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  315.082395][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  315.082405][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  315.082414][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  315.082425][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  315.082457][ T6465]  </TASK>
[  315.082710][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  315.431968][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  315.431990][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  315.431998][ T6465] Call Trace:
[  315.432004][ T6465]  <TASK>
[  315.432012][ T6465]  dump_stack_lvl+0xe8/0x150
[  315.432042][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  315.432073][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  315.432115][ T6465]  __submit_merged_bio+0x256/0x700
[  315.432147][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  315.432204][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  315.432251][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  315.432278][ T6465]  do_write_page+0x40f/0xab0
[  315.432307][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  315.432333][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  315.432365][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  315.432402][ T6465]  ? release_pages+0x4a3/0x4d0
[  315.432427][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  315.432464][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  315.432507][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  315.432528][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  315.432544][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  315.432563][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  315.432613][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  315.432672][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  315.432712][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  315.432744][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  315.432766][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  315.432783][ T6465]  do_writepages+0x32e/0x550
[  315.432808][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  315.432829][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  315.432851][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  315.432905][ T6465]  ? down_write+0x16d/0x200
[  315.432924][ T6465]  ? __pfx_down_write+0x10/0x10
[  315.432956][ T6465]  f2fs_collapse_range+0x48f/0x530
[  315.432974][ T6465]  ? inode_dio_wait+0x7f/0x270
[  315.433000][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  315.433024][ T6465]  ? __pfx_down_write+0x10/0x10
[  315.433047][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  315.433079][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  315.433106][ T6465]  vfs_fallocate+0x669/0x7e0
[  315.433128][ T6465]  ? __fget_files+0x2a/0x420
[  315.433151][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  315.433171][ T6465]  ? __fget_files+0x2a/0x420
[  315.433196][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  315.433217][ T6465]  do_syscall_64+0x14d/0xf80
[  315.433242][ T6465]  ? trace_irq_disable+0x3b/0x150
[  315.433257][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.433274][ T6465]  ? clear_bhb_loop+0x40/0x90
[  315.433296][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.433312][ T6465] RIP: 0033:0x7fd621b9c629
[  315.433329][ T6465] 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
[  315.433342][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  315.433360][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  315.433372][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  315.433381][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  315.433390][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  315.433397][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  315.433424][ T6465]  </TASK>
[  315.433483][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  315.781589][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  315.781615][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  315.781627][ T6465] Call Trace:
[  315.781634][ T6465]  <TASK>
[  315.781641][ T6465]  dump_stack_lvl+0xe8/0x150
[  315.781674][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  315.781710][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  315.781751][ T6465]  __submit_merged_bio+0x256/0x700
[  315.781781][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  315.781834][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  315.781864][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  315.781890][ T6465]  do_write_page+0x40f/0xab0
[  315.781920][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  315.781943][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  315.781974][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  315.782011][ T6465]  ? release_pages+0x4a3/0x4d0
[  315.782038][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  315.782084][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  315.782123][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  315.782146][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  315.782165][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  315.782188][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  315.782249][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  315.782319][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  315.782366][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  315.782399][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  315.782423][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  315.782444][ T6465]  do_writepages+0x32e/0x550
[  315.782475][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  315.782501][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  315.782536][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  315.782594][ T6465]  ? down_write+0x16d/0x200
[  315.782616][ T6465]  ? __pfx_down_write+0x10/0x10
[  315.782648][ T6465]  f2fs_collapse_range+0x48f/0x530
[  315.782668][ T6465]  ? inode_dio_wait+0x7f/0x270
[  315.782702][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  315.782729][ T6465]  ? __pfx_down_write+0x10/0x10
[  315.782754][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  315.782778][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  315.782806][ T6465]  vfs_fallocate+0x669/0x7e0
[  315.782829][ T6465]  ? __fget_files+0x2a/0x420
[  315.782854][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  315.782874][ T6465]  ? __fget_files+0x2a/0x420
[  315.782902][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  315.782929][ T6465]  do_syscall_64+0x14d/0xf80
[  315.782949][ T6465]  ? trace_irq_disable+0x3b/0x150
[  315.782968][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.782986][ T6465]  ? clear_bhb_loop+0x40/0x90
[  315.783009][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.783026][ T6465] RIP: 0033:0x7fd621b9c629
[  315.783044][ T6465] 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
[  315.783058][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  315.783086][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  315.783098][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  315.783110][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  315.783120][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  315.783131][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  315.783164][ T6465]  </TASK>
[  315.783221][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  316.132495][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  316.132523][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  316.132533][ T6465] Call Trace:
[  316.132540][ T6465]  <TASK>
[  316.132551][ T6465]  dump_stack_lvl+0xe8/0x150
[  316.132582][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  316.132612][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  316.132653][ T6465]  __submit_merged_bio+0x256/0x700
[  316.132685][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  316.132739][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  316.132769][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  316.132796][ T6465]  do_write_page+0x40f/0xab0
[  316.132824][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  316.132848][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  316.132880][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  316.132916][ T6465]  ? release_pages+0x4a3/0x4d0
[  316.132940][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  316.132977][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  316.133016][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  316.133041][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  316.133073][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  316.133097][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  316.133152][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  316.133218][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  316.133263][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  316.133299][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  316.133323][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  316.133342][ T6465]  do_writepages+0x32e/0x550
[  316.133369][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  316.133394][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  316.133420][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  316.133483][ T6465]  ? down_write+0x16d/0x200
[  316.133505][ T6465]  ? __pfx_down_write+0x10/0x10
[  316.133539][ T6465]  f2fs_collapse_range+0x48f/0x530
[  316.133562][ T6465]  ? inode_dio_wait+0x7f/0x270
[  316.133590][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  316.133614][ T6465]  ? __pfx_down_write+0x10/0x10
[  316.133639][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  316.133665][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  316.133692][ T6465]  vfs_fallocate+0x669/0x7e0
[  316.133713][ T6465]  ? __fget_files+0x2a/0x420
[  316.133739][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  316.133758][ T6465]  ? __fget_files+0x2a/0x420
[  316.133786][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  316.133814][ T6465]  do_syscall_64+0x14d/0xf80
[  316.133835][ T6465]  ? trace_irq_disable+0x3b/0x150
[  316.133855][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.133873][ T6465]  ? clear_bhb_loop+0x40/0x90
[  316.133906][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.133924][ T6465] RIP: 0033:0x7fd621b9c629
[  316.133942][ T6465] 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
[  316.133957][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  316.133975][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  316.133988][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  316.133999][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  316.134009][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  316.134019][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  316.134048][ T6465]  </TASK>
[  316.134089][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  316.482839][ T6465] CPU: 1 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  316.482865][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  316.482877][ T6465] Call Trace:
[  316.482884][ T6465]  <TASK>
[  316.482893][ T6465]  dump_stack_lvl+0xe8/0x150
[  316.482925][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  316.482959][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  316.483001][ T6465]  __submit_merged_bio+0x256/0x700
[  316.483047][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  316.483102][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  316.483134][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  316.483163][ T6465]  do_write_page+0x40f/0xab0
[  316.483193][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  316.483222][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  316.483255][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  316.483295][ T6465]  ? release_pages+0x4a3/0x4d0
[  316.483321][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  316.483358][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  316.483397][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  316.483423][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  316.483444][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  316.483467][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  316.483524][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  316.483587][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  316.483632][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  316.483668][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  316.483690][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  316.483710][ T6465]  do_writepages+0x32e/0x550
[  316.483737][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  316.483760][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  316.483785][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  316.483844][ T6465]  ? down_write+0x16d/0x200
[  316.483866][ T6465]  ? __pfx_down_write+0x10/0x10
[  316.483898][ T6465]  f2fs_collapse_range+0x48f/0x530
[  316.483920][ T6465]  ? inode_dio_wait+0x7f/0x270
[  316.483951][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  316.483977][ T6465]  ? __pfx_down_write+0x10/0x10
[  316.484003][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  316.484040][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  316.484068][ T6465]  vfs_fallocate+0x669/0x7e0
[  316.484088][ T6465]  ? __fget_files+0x2a/0x420
[  316.484113][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  316.484134][ T6465]  ? __fget_files+0x2a/0x420
[  316.484162][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  316.484187][ T6465]  do_syscall_64+0x14d/0xf80
[  316.484207][ T6465]  ? trace_irq_disable+0x3b/0x150
[  316.484226][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.484243][ T6465]  ? clear_bhb_loop+0x40/0x90
[  316.484266][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.484283][ T6465] RIP: 0033:0x7fd621b9c629
[  316.484301][ T6465] 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
[  316.484314][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  316.484333][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  316.484346][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  316.484357][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  316.484368][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  316.484379][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  316.484409][ T6465]  </TASK>
[  316.484486][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  316.489070][   T12] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  316.501125][ T6465] CPU: 1 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  316.501149][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  316.501161][ T6465] Call Trace:
[  316.501168][ T6465]  <TASK>
[  316.501177][ T6465]  dump_stack_lvl+0xe8/0x150
[  316.501209][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  316.501245][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  316.501289][ T6465]  __submit_merged_bio+0x256/0x700
[  316.501324][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  316.501383][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  316.501416][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  316.501445][ T6465]  do_write_page+0x40f/0xab0
[  316.501477][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  316.501505][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  316.501539][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  316.501579][ T6465]  ? release_pages+0x4a3/0x4d0
[  316.501606][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  316.501645][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  316.501687][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  316.501713][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  316.501735][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  316.501758][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  316.501820][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  316.501893][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  316.501941][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  316.501981][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  316.502044][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  316.502066][ T6465]  do_writepages+0x32e/0x550
[  316.502099][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  316.502125][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  316.502151][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  316.502216][ T6465]  ? down_write+0x16d/0x200
[  316.502239][ T6465]  ? __pfx_down_write+0x10/0x10
[  316.502274][ T6465]  f2fs_collapse_range+0x48f/0x530
[  316.502297][ T6465]  ? inode_dio_wait+0x7f/0x270
[  316.502329][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  316.502357][ T6465]  ? __pfx_down_write+0x10/0x10
[  316.502384][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  316.502411][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  316.502440][ T6465]  vfs_fallocate+0x669/0x7e0
[  316.502462][ T6465]  ? __fget_files+0x2a/0x420
[  316.502488][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  316.502508][ T6465]  ? __fget_files+0x2a/0x420
[  316.502537][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  316.502565][ T6465]  do_syscall_64+0x14d/0xf80
[  316.502584][ T6465]  ? trace_irq_disable+0x3b/0x150
[  316.502603][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.502621][ T6465]  ? clear_bhb_loop+0x40/0x90
[  316.502643][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.502661][ T6465] RIP: 0033:0x7fd621b9c629
[  316.502679][ T6465] 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
[  316.502693][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  316.502711][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  316.502724][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  316.502735][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  316.502747][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  316.502757][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  316.502791][ T6465]  </TASK>
[  316.503677][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.178455][ T1306] ieee802154 phy0 wpan0: encryption failed: -22
[  317.178565][ T1306] ieee802154 phy1 wpan1: encryption failed: -22
[  317.217898][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.217920][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.217931][ T6465] Call Trace:
[  317.217949][ T6465]  <TASK>
[  317.217956][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.217986][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.218020][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.218055][ T6465]  __submit_merged_bio+0x256/0x700
[  317.218084][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.218138][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.218169][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.218198][ T6465]  do_write_page+0x40f/0xab0
[  317.218235][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.218263][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.218296][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.218334][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.218360][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.218398][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.218438][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.218464][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.218485][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.218509][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.218571][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.218623][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.218662][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.218698][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.218722][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.218741][ T6465]  do_writepages+0x32e/0x550
[  317.218770][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.218794][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.218817][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.218870][ T6465]  ? down_write+0x16d/0x200
[  317.218893][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.218921][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.218941][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.218972][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.218998][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.219022][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.219047][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.219076][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.219096][ T6465]  ? __fget_files+0x2a/0x420
[  317.219118][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.219136][ T6465]  ? __fget_files+0x2a/0x420
[  317.219161][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.219187][ T6465]  do_syscall_64+0x14d/0xf80
[  317.219205][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.219223][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.219241][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.219264][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.219280][ T6465] RIP: 0033:0x7fd621b9c629
[  317.219297][ T6465] 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
[  317.219312][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.219331][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.219345][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.219357][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.219368][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.219377][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.219406][ T6465]  </TASK>
[  317.571732][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.578980][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.579006][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.579017][ T6465] Call Trace:
[  317.579026][ T6465]  <TASK>
[  317.579034][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.579066][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.579101][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.579148][ T6465]  __submit_merged_bio+0x256/0x700
[  317.579183][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.579245][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.579279][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.579310][ T6465]  do_write_page+0x40f/0xab0
[  317.579343][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.579372][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.579410][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.579450][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.579478][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.579520][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.579564][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.579591][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.579613][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.579639][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.579702][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.579778][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.579829][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.579870][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.579900][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.579926][ T6465]  do_writepages+0x32e/0x550
[  317.579957][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.579984][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.580010][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.580073][ T6465]  ? down_write+0x16d/0x200
[  317.580096][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.580130][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.580152][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.580186][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.580213][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.580240][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.580267][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.580298][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.580321][ T6465]  ? __fget_files+0x2a/0x420
[  317.580348][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.580370][ T6465]  ? __fget_files+0x2a/0x420
[  317.580400][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.580427][ T6465]  do_syscall_64+0x14d/0xf80
[  317.580447][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.580466][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.580485][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.580508][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.580526][ T6465] RIP: 0033:0x7fd621b9c629
[  317.580544][ T6465] 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
[  317.580559][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.580579][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.580593][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.580605][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.580616][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.580627][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.580662][ T6465]  </TASK>
[  317.580670][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.607192][ T6654] hsr_slave_0: entered promiscuous mode
[  317.617279][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.617301][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.617313][ T6465] Call Trace:
[  317.617321][ T6465]  <TASK>
[  317.617330][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.617361][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.617396][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.617488][ T6465]  __submit_merged_bio+0x256/0x700
[  317.617522][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.617576][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.617607][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.617635][ T6465]  do_write_page+0x40f/0xab0
[  317.617665][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.617692][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.617726][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.617762][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.617787][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.617825][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.617863][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.617888][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.617909][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.617942][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.617999][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.618064][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.618110][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.618147][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.618175][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.618196][ T6465]  do_writepages+0x32e/0x550
[  317.618235][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.618260][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.618286][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.618344][ T6465]  ? down_write+0x16d/0x200
[  317.618367][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.618399][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.618422][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.618452][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.618478][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.618504][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.618530][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.618558][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.618580][ T6465]  ? __fget_files+0x2a/0x420
[  317.618605][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.618626][ T6465]  ? __fget_files+0x2a/0x420
[  317.618653][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.618680][ T6465]  do_syscall_64+0x14d/0xf80
[  317.618699][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.618718][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.618736][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.618757][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.618775][ T6465] RIP: 0033:0x7fd621b9c629
[  317.618794][ T6465] 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
[  317.618807][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.618826][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.618838][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.618848][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.618860][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.618870][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.618901][ T6465]  </TASK>
[  317.623524][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.623570][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.623590][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.623601][ T6465] Call Trace:
[  317.623609][ T6465]  <TASK>
[  317.623617][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.623645][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.623681][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.623724][ T6465]  __submit_merged_bio+0x256/0x700
[  317.623758][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.623811][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.623843][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.623872][ T6465]  do_write_page+0x40f/0xab0
[  317.623903][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.623938][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.623970][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.624002][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.624028][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.624070][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.624110][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.624135][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.624155][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.624178][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.624236][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.624298][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.624344][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.624380][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.624407][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.624427][ T6465]  do_writepages+0x32e/0x550
[  317.624458][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.624482][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.624510][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.624568][ T6465]  ? down_write+0x16d/0x200
[  317.624590][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.624623][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.624646][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.624676][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.624703][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.624729][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.624755][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.624783][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.624805][ T6465]  ? __fget_files+0x2a/0x420
[  317.624830][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.624851][ T6465]  ? __fget_files+0x2a/0x420
[  317.624879][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.624905][ T6465]  do_syscall_64+0x14d/0xf80
[  317.624931][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.624950][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.624973][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.624993][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.625010][ T6465] RIP: 0033:0x7fd621b9c629
[  317.625028][ T6465] 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
[  317.625043][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.625061][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.625074][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.625085][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.625096][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.625107][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.625138][ T6465]  </TASK>
[  317.625145][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.630808][ T6654] hsr_slave_1: entered promiscuous mode
[  317.641560][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.641583][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.641595][ T6465] Call Trace:
[  317.641602][ T6465]  <TASK>
[  317.641610][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.641641][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.641676][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.641718][ T6465]  __submit_merged_bio+0x256/0x700
[  317.641751][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.641805][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.641838][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.641865][ T6465]  do_write_page+0x40f/0xab0
[  317.641895][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.641930][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.641963][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.642000][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.642025][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.642062][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.642101][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.642126][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.642147][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.642170][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.642227][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.642292][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.642338][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.642374][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.642401][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.642422][ T6465]  do_writepages+0x32e/0x550
[  317.642453][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.642478][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.642504][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.642563][ T6465]  ? down_write+0x16d/0x200
[  317.642585][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.642619][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.642641][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.642672][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.642699][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.642724][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.642750][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.642778][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.642800][ T6465]  ? __fget_files+0x2a/0x420
[  317.642825][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.642847][ T6465]  ? __fget_files+0x2a/0x420
[  317.642874][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.642905][ T6465]  do_syscall_64+0x14d/0xf80
[  317.642930][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.642949][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.642967][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.642989][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.643007][ T6465] RIP: 0033:0x7fd621b9c629
[  317.643024][ T6465] 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
[  317.643039][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.643072][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.643094][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.643115][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.643126][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.643137][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.643168][ T6465]  </TASK>
[  317.643182][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.648635][ T6654] debugfs: 'hsr0' already exists in 'hsr'
[  317.657834][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.657857][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.657869][ T6465] Call Trace:
[  317.657877][ T6465]  <TASK>
[  317.657884][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.657916][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.657955][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.657996][ T6465]  __submit_merged_bio+0x256/0x700
[  317.658028][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.658082][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.658144][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.658180][ T6465]  do_write_page+0x40f/0xab0
[  317.658211][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.658238][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.658276][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.658314][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.658339][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.658375][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.658415][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.658441][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.658461][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.658484][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.658540][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.658605][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.658650][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.658687][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.658714][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.658736][ T6465]  do_writepages+0x32e/0x550
[  317.658765][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.658790][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.658816][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.658874][ T6465]  ? down_write+0x16d/0x200
[  317.658897][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.658931][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.658952][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.658984][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.659010][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.659036][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.659061][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.659090][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.659118][ T6465]  ? __fget_files+0x2a/0x420
[  317.659144][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.659163][ T6465]  ? __fget_files+0x2a/0x420
[  317.659191][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.659217][ T6465]  do_syscall_64+0x14d/0xf80
[  317.659237][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.659255][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.659272][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.659295][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.659313][ T6465] RIP: 0033:0x7fd621b9c629
[  317.659330][ T6465] 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
[  317.659344][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.659363][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.659376][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.659388][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.659398][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.659408][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.659440][ T6465]  </TASK>
[  317.665878][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.669531][ T6654] Cannot create hsr debugfs directory
[  317.692434][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.692459][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.692470][ T6465] Call Trace:
[  317.692478][ T6465]  <TASK>
[  317.692486][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.692517][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.692552][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.692593][ T6465]  __submit_merged_bio+0x256/0x700
[  317.692626][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.692679][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.692711][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.692738][ T6465]  do_write_page+0x40f/0xab0
[  317.692768][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.692796][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.692829][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.692866][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.692891][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.692928][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.692967][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.692992][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.693013][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.693036][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.693104][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.693170][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.693215][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.693252][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.693280][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.693301][ T6465]  do_writepages+0x32e/0x550
[  317.693332][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.693357][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.693383][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.693442][ T6465]  ? down_write+0x16d/0x200
[  317.693465][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.693498][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.693520][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.693551][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.693578][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.693603][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.693629][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.693658][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.693680][ T6465]  ? __fget_files+0x2a/0x420
[  317.693705][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.693726][ T6465]  ? __fget_files+0x2a/0x420
[  317.693753][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.693780][ T6465]  do_syscall_64+0x14d/0xf80
[  317.693800][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.693818][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.693836][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.693858][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.693876][ T6465] RIP: 0033:0x7fd621b9c629
[  317.693893][ T6465] 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
[  317.693907][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.693925][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.693939][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.693949][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.693960][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.693971][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.694002][ T6465]  </TASK>
[  317.694009][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.822971][   T31] INFO: task syz.1.18:6468 blocked for more than 143 seconds.
[  317.823465][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.823489][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.823500][ T6465] Call Trace:
[  317.823508][ T6465]  <TASK>
[  317.823516][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.823546][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.823580][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.823625][ T6465]  __submit_merged_bio+0x256/0x700
[  317.823658][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.823713][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.823743][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.823771][ T6465]  do_write_page+0x40f/0xab0
[  317.823802][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.823828][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.823861][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.823907][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.823932][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.823969][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.824008][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.824033][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.824054][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.824077][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.824133][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.824199][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.824244][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.824282][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.824309][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.824330][ T6465]  do_writepages+0x32e/0x550
[  317.824360][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.824385][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.824411][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.824468][ T6465]  ? down_write+0x16d/0x200
[  317.824491][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.824523][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.824546][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.824578][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.824604][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.824630][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.824656][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.824685][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.824707][ T6465]  ? __fget_files+0x2a/0x420
[  317.824731][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.824751][ T6465]  ? __fget_files+0x2a/0x420
[  317.824779][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.824805][ T6465]  do_syscall_64+0x14d/0xf80
[  317.824825][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.824845][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.824863][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.824885][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.824909][ T6465] RIP: 0033:0x7fd621b9c629
[  317.824927][ T6465] 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
[  317.824940][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.824959][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.824972][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.824983][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.824994][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.825005][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.825035][ T6465]  </TASK>
[  317.825043][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.842461][   T31]       Not tainted syzkaller #0
[  317.844307][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.844330][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.844342][ T6465] Call Trace:
[  317.844350][ T6465]  <TASK>
[  317.844358][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.844388][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.844423][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.844468][ T6465]  __submit_merged_bio+0x256/0x700
[  317.844502][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.844561][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.844593][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.844622][ T6465]  do_write_page+0x40f/0xab0
[  317.844654][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.844682][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.844717][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.844758][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.844784][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.844822][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.844865][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.844898][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.844920][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.844943][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.845017][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.845089][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.845139][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.845177][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.845207][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.845229][ T6465]  do_writepages+0x32e/0x550
[  317.845262][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.845287][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.845315][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.845379][ T6465]  ? down_write+0x16d/0x200
[  317.845401][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.845436][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.845458][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.845490][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.845518][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.845545][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.845571][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.845602][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.845623][ T6465]  ? __fget_files+0x2a/0x420
[  317.845648][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.845669][ T6465]  ? __fget_files+0x2a/0x420
[  317.845698][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.845723][ T6465]  do_syscall_64+0x14d/0xf80
[  317.845743][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.845762][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.845780][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.845803][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.845821][ T6465] RIP: 0033:0x7fd621b9c629
[  317.845839][ T6465] 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
[  317.845853][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.845871][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.845885][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.845900][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.845912][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.845924][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.845957][ T6465]  </TASK>
[  317.845965][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.872138][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  317.874320][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.874342][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.874354][ T6465] Call Trace:
[  317.874362][ T6465]  <TASK>
[  317.874370][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.874400][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.874434][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.874476][ T6465]  __submit_merged_bio+0x256/0x700
[  317.874510][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.874563][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.874595][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.874623][ T6465]  do_write_page+0x40f/0xab0
[  317.874654][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.874680][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.874714][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.874751][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.874776][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.874813][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.874866][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.874890][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.874912][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.874936][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.874992][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.875065][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.875119][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.875156][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.875184][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.875206][ T6465]  do_writepages+0x32e/0x550
[  317.875237][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.875262][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.875288][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.875348][ T6465]  ? down_write+0x16d/0x200
[  317.875369][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.875402][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.875425][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.875456][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.875483][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.875509][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.875535][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.875562][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.875584][ T6465]  ? __fget_files+0x2a/0x420
[  317.875608][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.875630][ T6465]  ? __fget_files+0x2a/0x420
[  317.875657][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.875685][ T6465]  do_syscall_64+0x14d/0xf80
[  317.875705][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.875724][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.875742][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.875764][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.875782][ T6465] RIP: 0033:0x7fd621b9c629
[  317.875799][ T6465] 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
[  317.875813][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.875832][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.875845][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.875856][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.875867][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.875878][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.875908][ T6465]  </TASK>
[  317.875916][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.900060][   T31] task:syz.1.18        state:D
[  317.907072][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.907097][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.907109][ T6465] Call Trace:
[  317.907116][ T6465]  <TASK>
[  317.907124][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.907156][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.907191][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.907235][ T6465]  __submit_merged_bio+0x256/0x700
[  317.907270][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.907329][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.907362][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.907391][ T6465]  do_write_page+0x40f/0xab0
[  317.907430][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.907459][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.907494][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.907534][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.907561][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.907600][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.907642][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.907668][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.907690][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.907713][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.907775][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.907846][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.907895][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.907937][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.907965][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.907988][ T6465]  do_writepages+0x32e/0x550
[  317.908019][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.908046][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.908072][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.908136][ T6465]  ? down_write+0x16d/0x200
[  317.908160][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.908193][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.908215][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.908248][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.908275][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.908302][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.908327][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.908357][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.908378][ T6465]  ? __fget_files+0x2a/0x420
[  317.908410][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.908431][ T6465]  ? __fget_files+0x2a/0x420
[  317.908461][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.908488][ T6465]  do_syscall_64+0x14d/0xf80
[  317.908507][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.908527][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.908545][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.908569][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.908586][ T6465] RIP: 0033:0x7fd621b9c629
[  317.908604][ T6465] 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
[  317.908618][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.908637][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.908651][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.908662][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.908673][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.908684][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.908716][ T6465]  </TASK>
[  317.908833][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.938233][   T31]  stack:28800 pid:6468  tgid:6464  ppid:6440   task_flags:0x400040 flags:0x00080002
[  317.939044][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.939065][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.939076][ T6465] Call Trace:
[  317.939084][ T6465]  <TASK>
[  317.939092][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.939122][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.939156][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.939198][ T6465]  __submit_merged_bio+0x256/0x700
[  317.939231][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.939285][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.939316][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.939344][ T6465]  do_write_page+0x40f/0xab0
[  317.939374][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.939409][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.939443][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.939479][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.939505][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.939542][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.939580][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.939606][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.939627][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.939650][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.939707][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.939772][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.939819][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.939856][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.939883][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.939904][ T6465]  do_writepages+0x32e/0x550
[  317.939935][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.939960][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.939986][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.940044][ T6465]  ? down_write+0x16d/0x200
[  317.940067][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.940101][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.940123][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.940153][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.940180][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.940205][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.940230][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.940259][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.940278][ T6465]  ? __fget_files+0x2a/0x420
[  317.940301][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.940321][ T6465]  ? __fget_files+0x2a/0x420
[  317.940348][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.940376][ T6465]  do_syscall_64+0x14d/0xf80
[  317.940396][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.940422][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.940440][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.940463][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.940480][ T6465] RIP: 0033:0x7fd621b9c629
[  317.940498][ T6465] 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
[  317.940512][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.940531][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.940545][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.940556][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.940567][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.940578][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.940608][ T6465]  </TASK>
[  317.940617][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.965417][   T31] Call Trace:
[  317.969361][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  317.969384][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  317.969404][ T6465] Call Trace:
[  317.969412][ T6465]  <TASK>
[  317.969420][ T6465]  dump_stack_lvl+0xe8/0x150
[  317.969450][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  317.969485][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  317.969529][ T6465]  __submit_merged_bio+0x256/0x700
[  317.969563][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  317.969652][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  317.969688][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  317.969718][ T6465]  do_write_page+0x40f/0xab0
[  317.969750][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  317.969778][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  317.969813][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  317.969853][ T6465]  ? release_pages+0x4a3/0x4d0
[  317.969879][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  317.969917][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  317.970034][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.970064][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  317.970087][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  317.970110][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  317.970176][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.970247][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.970309][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  317.970349][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.970379][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  317.970401][ T6465]  do_writepages+0x32e/0x550
[  317.970444][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  317.970471][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  317.970499][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  317.970563][ T6465]  ? down_write+0x16d/0x200
[  317.970587][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.970623][ T6465]  f2fs_collapse_range+0x48f/0x530
[  317.970646][ T6465]  ? inode_dio_wait+0x7f/0x270
[  317.970678][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  317.970705][ T6465]  ? __pfx_down_write+0x10/0x10
[  317.970732][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  317.970760][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  317.970790][ T6465]  vfs_fallocate+0x669/0x7e0
[  317.970813][ T6465]  ? __fget_files+0x2a/0x420
[  317.970839][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  317.970861][ T6465]  ? __fget_files+0x2a/0x420
[  317.970890][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  317.970923][ T6465]  do_syscall_64+0x14d/0xf80
[  317.970944][ T6465]  ? trace_irq_disable+0x3b/0x150
[  317.970965][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.970984][ T6465]  ? clear_bhb_loop+0x40/0x90
[  317.971011][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.971030][ T6465] RIP: 0033:0x7fd621b9c629
[  317.971051][ T6465] 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
[  317.971066][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  317.971084][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  317.971098][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  317.971110][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  317.971121][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  317.971133][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  317.971167][ T6465]  </TASK>
[  317.971260][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  317.997035][   T31]  <TASK>
[  318.005838][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.005863][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.005874][ T6465] Call Trace:
[  318.005881][ T6465]  <TASK>
[  318.005889][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.005917][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.005952][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.005993][ T6465]  __submit_merged_bio+0x256/0x700
[  318.006026][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.006080][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.006112][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.006140][ T6465]  do_write_page+0x40f/0xab0
[  318.006171][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.006197][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.006230][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.006268][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.006293][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.006329][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.006369][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.006394][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.006422][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.006446][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.006502][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.006568][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.006613][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.006650][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.006677][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.006699][ T6465]  do_writepages+0x32e/0x550
[  318.006730][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.006756][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.006782][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.006841][ T6465]  ? down_write+0x16d/0x200
[  318.006863][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.006896][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.006918][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.006950][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.006976][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.007002][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.007027][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.007056][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.007077][ T6465]  ? __fget_files+0x2a/0x420
[  318.007102][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.007123][ T6465]  ? __fget_files+0x2a/0x420
[  318.007151][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.007177][ T6465]  do_syscall_64+0x14d/0xf80
[  318.007196][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.007215][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.007234][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.007256][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.007273][ T6465] RIP: 0033:0x7fd621b9c629
[  318.007291][ T6465] 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
[  318.007305][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.007324][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.007337][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.007348][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.007360][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.007370][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.007401][ T6465]  </TASK>
[  318.007414][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.007441][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.007459][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.007469][ T6465] Call Trace:
[  318.007476][ T6465]  <TASK>
[  318.007484][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.007509][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.007542][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.007583][ T6465]  __submit_merged_bio+0x256/0x700
[  318.007615][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.007669][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.007700][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.007728][ T6465]  do_write_page+0x40f/0xab0
[  318.007758][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.007784][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.007817][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.007854][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.007879][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.007914][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.007957][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.007981][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.008002][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.008025][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.008081][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.008146][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.008190][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.008227][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.008254][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.008275][ T6465]  do_writepages+0x32e/0x550
[  318.008305][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.008331][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.008356][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.008419][ T6465]  ? down_write+0x16d/0x200
[  318.008441][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.008475][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.008496][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.008526][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.008553][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.008579][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.008604][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.008632][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.008683][ T6465]  ? __fget_files+0x2a/0x420
[  318.008708][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.008729][ T6465]  ? __fget_files+0x2a/0x420
[  318.008757][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.008798][ T6465]  do_syscall_64+0x14d/0xf80
[  318.008818][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.008836][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.008854][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.008876][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.008893][ T6465] RIP: 0033:0x7fd621b9c629
[  318.008909][ T6465] 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
[  318.008922][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.008940][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.008952][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.008964][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.008974][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.008985][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.009017][ T6465]  </TASK>
[  318.009111][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.029608][   T31]  __schedule+0x1665/0x5590
[  318.029667][   T31]  ? __pfx___schedule+0x10/0x10
[  318.029695][   T31]  ? schedule+0x90/0x360
[  318.036078][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.036100][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.036111][ T6465] Call Trace:
[  318.036118][ T6465]  <TASK>
[  318.036126][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.036157][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.036193][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.036237][ T6465]  __submit_merged_bio+0x256/0x700
[  318.036271][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.036330][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.036363][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.036397][ T6465]  do_write_page+0x40f/0xab0
[  318.036427][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.036462][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.036498][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.036538][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.036564][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.036603][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.036645][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.036672][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.036693][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.036717][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.036780][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.036852][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.036901][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.036940][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.036969][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.036991][ T6465]  do_writepages+0x32e/0x550
[  318.037023][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.037049][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.037076][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.037139][ T6465]  ? down_write+0x16d/0x200
[  318.037162][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.037196][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.037218][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.037251][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.037278][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.037308][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.037335][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.037364][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.037385][ T6465]  ? __fget_files+0x2a/0x420
[  318.037411][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.037438][ T6465]  ? __fget_files+0x2a/0x420
[  318.037468][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.037495][ T6465]  do_syscall_64+0x14d/0xf80
[  318.037515][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.037535][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.037553][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.037576][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.037593][ T6465] RIP: 0033:0x7fd621b9c629
[  318.037611][ T6465] 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
[  318.037626][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.037644][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.037657][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.037668][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.037679][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.037690][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.037724][ T6465]  </TASK>
[  318.037779][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.047598][   T31]  schedule+0x164/0x360
[  318.048230][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.048253][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.048263][ T6465] Call Trace:
[  318.048272][ T6465]  <TASK>
[  318.048279][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.048309][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.048342][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.048384][ T6465]  __submit_merged_bio+0x256/0x700
[  318.048417][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.048507][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.048538][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.048566][ T6465]  do_write_page+0x40f/0xab0
[  318.048597][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.048625][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.048657][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.048695][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.048720][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.048756][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.048796][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.048821][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.048841][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.048864][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.048922][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.048986][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.049032][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.049069][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.049097][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.049118][ T6465]  do_writepages+0x32e/0x550
[  318.049148][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.049174][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.049200][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.049259][ T6465]  ? down_write+0x16d/0x200
[  318.049281][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.049314][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.049336][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.049367][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.049397][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.049422][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.049454][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.049482][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.049503][ T6465]  ? __fget_files+0x2a/0x420
[  318.049528][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.049549][ T6465]  ? __fget_files+0x2a/0x420
[  318.049576][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.049603][ T6465]  do_syscall_64+0x14d/0xf80
[  318.049622][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.049642][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.049660][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.049682][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.049699][ T6465] RIP: 0033:0x7fd621b9c629
[  318.049716][ T6465] 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
[  318.049731][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.049749][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.049762][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.049773][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.049785][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.049796][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.049826][ T6465]  </TASK>
[  318.049859][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.058768][   T31]  schedule_preempt_disabled+0x13/0x30
[  318.059664][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.059686][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.059698][ T6465] Call Trace:
[  318.059706][ T6465]  <TASK>
[  318.059713][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.059743][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.059777][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.059822][ T6465]  __submit_merged_bio+0x256/0x700
[  318.059856][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.059915][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.059946][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.059975][ T6465]  do_write_page+0x40f/0xab0
[  318.060007][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.060035][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.060069][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.060110][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.060135][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.060174][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.060216][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.060242][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.060263][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.060287][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.060349][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.060422][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.060478][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.060517][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.060546][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.060568][ T6465]  do_writepages+0x32e/0x550
[  318.060600][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.060627][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.060653][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.060718][ T6465]  ? down_write+0x16d/0x200
[  318.060739][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.060775][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.060797][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.060829][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.060857][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.060887][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.060913][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.060943][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.060964][ T6465]  ? __fget_files+0x2a/0x420
[  318.060990][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.061010][ T6465]  ? __fget_files+0x2a/0x420
[  318.061039][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.061067][ T6465]  do_syscall_64+0x14d/0xf80
[  318.061087][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.061105][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.061123][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.061147][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.061164][ T6465] RIP: 0033:0x7fd621b9c629
[  318.061182][ T6465] 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
[  318.061197][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.061214][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.061227][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.061238][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.061249][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.061260][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.061294][ T6465]  </TASK>
[  318.061349][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.070967][   T31]  rwsem_down_write_slowpath+0x899/0x1040
[  318.077057][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.077081][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.077093][ T6465] Call Trace:
[  318.077100][ T6465]  <TASK>
[  318.077108][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.077138][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.077173][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.077220][ T6465]  __submit_merged_bio+0x256/0x700
[  318.077254][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.077313][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.077345][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.077375][ T6465]  do_write_page+0x40f/0xab0
[  318.077407][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.077470][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.077505][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.077544][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.077571][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.077610][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.077651][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.077678][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.077699][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.077723][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.077785][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.077857][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.077906][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.077944][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.077972][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.077994][ T6465]  do_writepages+0x32e/0x550
[  318.078026][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.078052][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.078078][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.078142][ T6465]  ? down_write+0x16d/0x200
[  318.078164][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.078199][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.078221][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.078253][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.078281][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.078307][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.078333][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.078363][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.078384][ T6465]  ? __fget_files+0x2a/0x420
[  318.078410][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.078436][ T6465]  ? __fget_files+0x2a/0x420
[  318.078465][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.078492][ T6465]  do_syscall_64+0x14d/0xf80
[  318.078512][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.078531][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.078550][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.078573][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.078589][ T6465] RIP: 0033:0x7fd621b9c629
[  318.078607][ T6465] 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
[  318.078622][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.078640][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.078653][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.078665][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.078676][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.078687][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.078720][ T6465]  </TASK>
[  318.079602][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.085652][   T31]  ? __lock_acquire+0x6b5/0x2cf0
[  318.086180][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.086202][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.086214][ T6465] Call Trace:
[  318.086221][ T6465]  <TASK>
[  318.086229][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.086259][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.086292][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.086337][ T6465]  __submit_merged_bio+0x256/0x700
[  318.086372][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.086437][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.086470][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.086499][ T6465]  do_write_page+0x40f/0xab0
[  318.086531][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.086559][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.086593][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.086634][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.086661][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.086699][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.086741][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.086768][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.086789][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.086812][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.086874][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.086946][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.086994][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.087033][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.087062][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.087083][ T6465]  do_writepages+0x32e/0x550
[  318.087115][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.087142][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.087169][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.087232][ T6465]  ? down_write+0x16d/0x200
[  318.087255][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.087290][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.087312][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.087347][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.087376][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.087403][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.087437][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.087472][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.087494][ T6465]  ? __fget_files+0x2a/0x420
[  318.087521][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.087543][ T6465]  ? __fget_files+0x2a/0x420
[  318.087573][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.087601][ T6465]  do_syscall_64+0x14d/0xf80
[  318.087622][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.087642][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.087660][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.087684][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.087702][ T6465] RIP: 0033:0x7fd621b9c629
[  318.087720][ T6465] 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
[  318.087736][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.087755][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.087768][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.087780][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.087792][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.087804][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.087839][ T6465]  </TASK>
[  318.088823][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.098740][   T31]  ? rwsem_down_write_slowpath+0x471/0x1040
[  318.101672][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.101695][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.101706][ T6465] Call Trace:
[  318.101713][ T6465]  <TASK>
[  318.101720][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.101750][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.101787][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.101831][ T6465]  __submit_merged_bio+0x256/0x700
[  318.101865][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.101923][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.101955][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.101985][ T6465]  do_write_page+0x40f/0xab0
[  318.102017][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.102045][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.102079][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.102120][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.102145][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.102184][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.102226][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.102252][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.102273][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.102297][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.102359][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.102437][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.102486][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.102525][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.102554][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.102576][ T6465]  do_writepages+0x32e/0x550
[  318.102608][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.102633][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.102660][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.102725][ T6465]  ? down_write+0x16d/0x200
[  318.102746][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.102781][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.102804][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.102835][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.102863][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.102890][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.102916][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.102945][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.102967][ T6465]  ? __fget_files+0x2a/0x420
[  318.102997][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.103017][ T6465]  ? __fget_files+0x2a/0x420
[  318.103047][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.103074][ T6465]  do_syscall_64+0x14d/0xf80
[  318.103094][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.103113][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.103131][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.103176][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.103194][ T6465] RIP: 0033:0x7fd621b9c629
[  318.103213][ T6465] 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
[  318.103227][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.103246][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.103259][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.103270][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.103281][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.103292][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.103325][ T6465]  </TASK>
[  318.104200][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.107446][   T31]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[  318.114020][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.114043][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.114053][ T6465] Call Trace:
[  318.114061][ T6465]  <TASK>
[  318.114069][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.114098][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.114135][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.114178][ T6465]  __submit_merged_bio+0x256/0x700
[  318.114212][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.114270][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.114303][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.114332][ T6465]  do_write_page+0x40f/0xab0
[  318.114363][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.114392][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.114432][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.114472][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.114498][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.114538][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.114579][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.114605][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.114626][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.114651][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.114712][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.114784][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.114845][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.114884][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.114913][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.114934][ T6465]  do_writepages+0x32e/0x550
[  318.114967][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.114993][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.115020][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.115083][ T6465]  ? down_write+0x16d/0x200
[  318.115106][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.115141][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.115164][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.115196][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.115224][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.115250][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.115277][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.115307][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.115328][ T6465]  ? __fget_files+0x2a/0x420
[  318.115358][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.115378][ T6465]  ? __fget_files+0x2a/0x420
[  318.115407][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.115441][ T6465]  do_syscall_64+0x14d/0xf80
[  318.115460][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.115479][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.115497][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.115521][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.115539][ T6465] RIP: 0033:0x7fd621b9c629
[  318.115556][ T6465] 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
[  318.115571][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.115589][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.115602][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.115613][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.115624][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.115635][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.115668][ T6465]  </TASK>
[  318.116606][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.130325][   T31]  ? aa_file_perm+0x50e/0x15e0
[  318.133934][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.133958][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.133969][ T6465] Call Trace:
[  318.133977][ T6465]  <TASK>
[  318.133985][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.134015][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.134049][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.134094][ T6465]  __submit_merged_bio+0x256/0x700
[  318.134128][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.134187][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.134219][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.134249][ T6465]  do_write_page+0x40f/0xab0
[  318.134280][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.134307][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.134343][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.134383][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.134409][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.134455][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.134497][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.134524][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.134545][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.134569][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.134631][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.134703][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.134753][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.134792][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.134835][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.134857][ T6465]  do_writepages+0x32e/0x550
[  318.134890][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.134915][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.134942][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.135006][ T6465]  ? down_write+0x16d/0x200
[  318.135034][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.135070][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.135093][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.135125][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.135152][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.135179][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.135205][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.135235][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.135257][ T6465]  ? __fget_files+0x2a/0x420
[  318.135281][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.135302][ T6465]  ? __fget_files+0x2a/0x420
[  318.135331][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.135358][ T6465]  do_syscall_64+0x14d/0xf80
[  318.135378][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.135397][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.135416][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.135445][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.135463][ T6465] RIP: 0033:0x7fd621b9c629
[  318.135480][ T6465] 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
[  318.135495][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.135513][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.135527][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.135538][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.135549][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.135560][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.135593][ T6465]  </TASK>
[  318.135812][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.164340][   T31]  ? aa_file_perm+0x192/0x15e0
[  318.171753][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.171777][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.171788][ T6465] Call Trace:
[  318.171796][ T6465]  <TASK>
[  318.171804][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.171835][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.171869][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.171911][ T6465]  __submit_merged_bio+0x256/0x700
[  318.171943][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.171998][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.172029][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.172058][ T6465]  do_write_page+0x40f/0xab0
[  318.172088][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.172115][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.172148][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.172185][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.172210][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.172246][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.172286][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.172318][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.172339][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.172362][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.172419][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.172485][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.172531][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.172568][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.172596][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.172617][ T6465]  do_writepages+0x32e/0x550
[  318.172647][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.172672][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.172699][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.172757][ T6465]  ? down_write+0x16d/0x200
[  318.172780][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.172813][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.172835][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.172865][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.172891][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.172917][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.172943][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.172970][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.172992][ T6465]  ? __fget_files+0x2a/0x420
[  318.173017][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.173037][ T6465]  ? __fget_files+0x2a/0x420
[  318.173065][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.173092][ T6465]  do_syscall_64+0x14d/0xf80
[  318.173111][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.173130][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.173151][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.173172][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.173190][ T6465] RIP: 0033:0x7fd621b9c629
[  318.173208][ T6465] 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
[  318.173223][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.173241][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.173253][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.173265][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.173276][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.173287][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.173324][ T6465]  </TASK>
[  318.173354][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.174282][   T31]  ? __lock_acquire+0x6b5/0x2cf0
[  318.185488][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.185512][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.185524][ T6465] Call Trace:
[  318.185531][ T6465]  <TASK>
[  318.185540][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.185571][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.185606][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.185651][ T6465]  __submit_merged_bio+0x256/0x700
[  318.185686][ T6465]  f2fs_submit_page_write+0xe92/0x21f0
[  318.185744][ T6465]  ? __pfx_f2fs_submit_page_write+0x10/0x10
[  318.185777][ T6465]  ? __f2fs_is_valid_blkaddr+0xd2a/0x14f0
[  318.185808][ T6465]  do_write_page+0x40f/0xab0
[  318.185840][ T6465]  f2fs_outplace_write_data+0x11a/0x220
[  318.185869][ T6465]  f2fs_do_write_data_page+0x123b/0x16f0
[  318.185903][ T6465]  ? __pfx_f2fs_do_write_data_page+0x10/0x10
[  318.185943][ T6465]  ? release_pages+0x4a3/0x4d0
[  318.185970][ T6465]  f2fs_write_single_data_page+0x906/0x18b0
[  318.186008][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.186051][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.186077][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.186098][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.186122][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.186184][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.186256][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.186313][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.186353][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.186392][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.186415][ T6465]  do_writepages+0x32e/0x550
[  318.186447][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.186473][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.186499][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.186563][ T6465]  ? down_write+0x16d/0x200
[  318.186587][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.186623][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.186645][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.186677][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.186705][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.186732][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.186758][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.186788][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.186809][ T6465]  ? __fget_files+0x2a/0x420
[  318.186835][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.186856][ T6465]  ? __fget_files+0x2a/0x420
[  318.186885][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.186913][ T6465]  do_syscall_64+0x14d/0xf80
[  318.186933][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.186952][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.186969][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.186993][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.187010][ T6465] RIP: 0033:0x7fd621b9c629
[  318.187028][ T6465] 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
[  318.187043][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.187061][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.187074][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.187086][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.187098][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.187109][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.187142][ T6465]  </TASK>
[  318.192605][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.194845][   T31]  down_write+0x1bc/0x200
[  318.199948][ T6465] syz.1.18: attempt to access beyond end of device
[  318.199948][ T6465] loop1: rw=2049, sector=49152, nr_sectors = 8 limit=40427
[  318.205366][   T31]  ? __pfx_down_write+0x10/0x10
[  318.210558][ T6465] CPU: 0 UID: 0 PID: 6465 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
[  318.210581][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  318.210593][ T6465] Call Trace:
[  318.210601][ T6465]  <TASK>
[  318.210609][ T6465]  dump_stack_lvl+0xe8/0x150
[  318.210639][ T6465]  f2fs_handle_critical_error+0x37c/0x540
[  318.210672][ T6465]  f2fs_write_end_io+0x1274/0x1740
[  318.210717][ T6465]  __submit_merged_bio+0x256/0x700
[  318.210750][ T6465]  f2fs_submit_merged_write+0x284/0x390
[  318.210782][ T6465]  ? __pfx_f2fs_submit_merged_write+0x10/0x10
[  318.210806][ T6465]  ? do_raw_spin_lock+0x12b/0x2f0
[  318.210840][ T6465]  ? folio_unlock+0x101/0x160
[  318.210864][ T6465]  f2fs_write_single_data_page+0x134e/0x18b0
[  318.210901][ T6465]  ? __pfx_f2fs_write_single_data_page+0x10/0x10
[  318.210943][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.210968][ T6465]  ? folio_clear_dirty_for_io+0x570/0x710
[  318.210989][ T6465]  ? folio_clear_dirty_for_io+0x1d4/0x710
[  318.211012][ T6465]  f2fs_write_data_pages+0x1a42/0x34f0
[  318.211073][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.211145][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.211192][ T6465]  ? __lock_acquire+0x6b5/0x2cf0
[  318.211231][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.211258][ T6465]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  318.211280][ T6465]  do_writepages+0x32e/0x550
[  318.211312][ T6465]  ? do_raw_spin_unlock+0xf5/0x210
[  318.211342][ T6465]  filemap_write_and_wait_range+0x335/0x3f0
[  318.211367][ T6465]  ? __pfx_filemap_write_and_wait_range+0x10/0x10
[  318.211430][ T6465]  ? down_write+0x16d/0x200
[  318.211460][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.211494][ T6465]  f2fs_collapse_range+0x48f/0x530
[  318.211517][ T6465]  ? inode_dio_wait+0x7f/0x270
[  318.211549][ T6465]  ? __pfx_f2fs_collapse_range+0x10/0x10
[  318.211576][ T6465]  ? __pfx_down_write+0x10/0x10
[  318.211603][ T6465]  ? file_update_time_flags+0x219/0x4a0
[  318.211629][ T6465]  f2fs_fallocate+0x54d/0x9b0
[  318.211658][ T6465]  vfs_fallocate+0x669/0x7e0
[  318.211680][ T6465]  ? __fget_files+0x2a/0x420
[  318.211705][ T6465]  ? __pfx_vfs_fallocate+0x10/0x10
[  318.211726][ T6465]  ? __fget_files+0x2a/0x420
[  318.211754][ T6465]  __x64_sys_fallocate+0xc0/0x110
[  318.211782][ T6465]  do_syscall_64+0x14d/0xf80
[  318.211801][ T6465]  ? trace_irq_disable+0x3b/0x150
[  318.211820][ T6465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.211838][ T6465]  ? clear_bhb_loop+0x40/0x90
[  318.211861][ T6465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.211878][ T6465] RIP: 0033:0x7fd621b9c629
[  318.211896][ T6465] 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
[  318.211911][ T6465] RSP: 002b:00007fd622aad028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  318.211930][ T6465] RAX: ffffffffffffffda RBX: 00007fd621e15fa0 RCX: 00007fd621b9c629
[  318.211943][ T6465] RDX: 0000000000004000 RSI: 0000000000000008 RDI: 0000000000000006
[  318.211954][ T6465] RBP: 00007fd621c32b39 R08: 0000000000000000 R09: 0000000000000000
[  318.211966][ T6465] R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000
[  318.211977][ T6465] R13: 00007fd621e16038 R14: 00007fd621e15fa0 R15: 00007ffd4a0c0718
[  318.212010][ T6465]  </TASK>
[  318.212240][ T6465] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  318.231890][   T31]  f2fs_fallocate+0x24e/0x9b0
[  326.457572][   T31]  ? arch_do_signal_or_restart+0xbc/0x830
[  326.465149][   T31]  ? __pfx_task_work_add+0x10/0x10
[  326.470462][   T31]  ? __pfx_arch_do_signal_or_restart+0x10/0x10
[  326.476645][   T31]  ? __fput_deferred+0x216/0x380
[  326.481657][   T31]  ? exit_to_user_mode_loop+0x86/0x480
[  326.487233][   T31]  ? rcu_is_watching+0x15/0xb0
[  326.492150][   T31]  ? do_syscall_64+0x32d/0xf80
[  326.497016][   T31]  ? trace_irq_disable+0x3b/0x150
[  326.502093][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.508201][   T31]  ? clear_bhb_loop+0x40/0x90
[  326.512929][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.519038][   T31]  </TASK>
[  326.522188][   T31] 
[  326.522188][   T31] Showing all locks held in the system:
[  326.536905][   T31] 8 locks held by kworker/u8:0/12:
[  326.542107][   T31]  #0: ffff88801c2b6948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x88b/0x1760
[  326.552543][   T31]  #1: ffffc90000117c40 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8b2/0x1760
[  326.563267][   T31]  #2: ffffffff8fbc5990 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xf4/0x800
[  326.572702][   T31]  #3: ffff88806082b0e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x117/0x3f0
[  326.582778][   T31]  #4: ffff88806082c250 (&devlink->lock_key#7){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x129/0x3f0
[  326.593681][   T31]  #5: ffffffff8fbd4808 (rtnl_mutex){+.+.}-{4:4}, at: nsim_destroy+0x10b/0x730
[  326.602873][   T31]  #6: ffff88807794cd60 (&dev_instance_lock_key#24){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x583/0x2380
[  326.615170][   T31]  #7: ffffffff8e765578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2d0/0x770
[  326.626302][   T31] 1 lock held by khungtaskd/31:
[  326.631230][   T31]  #0: ffffffff8e75f2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  326.641242][   T31] 2 locks held by getty/5582:
[  326.645948][   T31]  #0: ffff8880330500a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  326.655948][   T31]  #1: ffffc900033332f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
[  326.666587][   T31] 3 locks held by kworker/0:3/5904:
[  326.672076][   T31]  #0: ffff88801b06b148 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x88b/0x1760
[  326.682506][   T31]  #1: ffffc90003b5fc40 (free_ipc_work){+.+.}-{0:0}, at: process_one_work+0x8b2/0x1760
[  326.692385][   T31]  #2: ffffffff8e765578 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
[  326.703580][   T31] 4 locks held by syz.1.18/6468:
[  326.708535][   T31]  #0: ffff88807bf1cec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x212/0x5a0
[  326.718513][   T31]  #1: ffff88807bf1c0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x640/0x10e0
[  326.728216][   T31]  #2: ffffffff8fd613e8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x260
[  326.738459][   T31]  #3: ffff88807c6942f8 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x7b/0x5c0
[  326.747776][   T31] 5 locks held by syz-executor/6654:
[  326.753275][   T31]  #0: ffff888036164420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x227/0xb90
[  326.762297][   T31]  #1: ffff88807b434488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1de/0x540
[  326.773073][   T31]  #2: ffff888029d7c878 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x231/0x540
[  326.783354][   T31]  #3: ffffffff8f447b28 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd7/0x370
[  326.793727][   T31]  #4: ffff88806082b0e8 (&dev->mutex){....}-{4:4}, at: device_del+0xa9/0x8f0
[  326.802717][   T31] 
[  326.805091][   T31] =============================================
[  326.805091][   T31] 
[  326.835259][   T31] NMI backtrace for cpu 1
[  326.835280][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  326.835299][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  326.835310][   T31] Call Trace:
[  326.835317][   T31]  <TASK>
[  326.835325][   T31]  dump_stack_lvl+0xe8/0x150
[  326.835354][   T31]  nmi_cpu_backtrace+0x274/0x2d0
[  326.835377][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  326.835401][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  326.835426][   T31]  sys_info+0x135/0x170
[  326.835446][   T31]  watchdog+0x1002/0x1060
[  326.835471][   T31]  ? watchdog+0x1da/0x1060
[  326.835494][   T31]  kthread+0x388/0x470
[  326.835513][   T31]  ? __pfx_watchdog+0x10/0x10
[  326.835530][   T31]  ? __pfx_kthread+0x10/0x10
[  326.835549][   T31]  ret_from_fork+0x51e/0xb90
[  326.835573][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  326.835593][   T31]  ? __switch_to+0xc7d/0x1450
[  326.835626][   T31]  ? __pfx_kthread+0x10/0x10
[  326.835645][   T31]  ret_from_fork_asm+0x1a/0x30
[  326.835675][   T31]  </TASK>
[  326.835683][   T31] Sending NMI from CPU 1 to CPUs 0:
[  326.946282][    C0] NMI backtrace for cpu 0
[  326.946299][    C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) 
[  326.946317][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  326.946327][    C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[  326.946352][    C0] Code: 6d 6b 02 e9 93 ec 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 33 18 00 fb f4 <c3> cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
[  326.946366][    C0] RSP: 0018:ffffffff8e407dc0 EFLAGS: 00000246
[  326.946381][    C0] RAX: 000000000012ba1b RBX: ffffffff819b6f9d RCX: 0000000080000001
[  326.946393][    C0] RDX: 0000000000000001 RSI: ffffffff8df1015a RDI: ffffffff8c2856e0
[  326.946404][    C0] RBP: ffffffff8e407eb0 R08: ffff8880b863399b R09: 1ffff110170c6733
[  326.946416][    C0] R10: dffffc0000000000 R11: ffffed10170c6734 R12: ffffffff901224f0
[  326.946428][    C0] R13: 1ffffffff1c929d8 R14: 0000000000000000 R15: 0000000000000000
[  326.946439][    C0] FS:  0000000000000000(0000) GS:ffff888125449000(0000) knlGS:0000000000000000
[  326.946452][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  326.946463][    C0] CR2: 00007ffdd195dc14 CR3: 000000000e54c000 CR4: 00000000003526f0
[  326.946478][    C0] Call Trace:
[  326.946486][    C0]  <TASK>
[  326.946492][    C0]  default_idle+0x9/0x20
[  326.946512][    C0]  default_idle_call+0x72/0xb0
[  326.946533][    C0]  do_idle+0x1bd/0x500
[  326.946548][    C0]  ? lockdep_hardirqs_on+0x7a/0x110
[  326.946567][    C0]  ? __pfx_do_idle+0x10/0x10
[  326.946585][    C0]  cpu_startup_entry+0x43/0x60
[  326.946600][    C0]  rest_init+0x2de/0x300
[  326.946656][    C0]  start_kernel+0x38a/0x3e0
[  326.946674][    C0]  x86_64_start_reservations+0x24/0x30
[  326.946694][    C0]  x86_64_start_kernel+0x143/0x1c0
[  326.946713][    C0]  common_startup_64+0x13e/0x147
[  326.946737][    C0]  </TASK>
[  327.129427][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  327.136296][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  327.145496][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  327.155549][   T31] Call Trace:
[  327.158843][   T31]  <TASK>
[  327.161761][   T31]  vpanic+0x56c/0xa60
[  327.165820][   T31]  ? __pfx___schedule+0x10/0x10
[  327.170758][   T31]  ? __pfx_vpanic+0x10/0x10
[  327.175358][   T31]  ? nmi_trigger_cpumask_backtrace+0x1f4/0x300
[  327.181519][   T31]  panic+0xc5/0xd0
[  327.185268][   T31]  ? __pfx_panic+0x10/0x10
[  327.189698][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  327.195080][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  327.201230][   T31]  watchdog+0x105b/0x1060
[  327.205568][   T31]  ? watchdog+0x1da/0x1060
[  327.209978][   T31]  kthread+0x388/0x470
[  327.214051][   T31]  ? __pfx_watchdog+0x10/0x10
[  327.218713][   T31]  ? __pfx_kthread+0x10/0x10
[  327.223290][   T31]  ret_from_fork+0x51e/0xb90
[  327.227970][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  327.233106][   T31]  ? __switch_to+0xc7d/0x1450
[  327.237786][   T31]  ? __pfx_kthread+0x10/0x10
[  327.242372][   T31]  ret_from_fork_asm+0x1a/0x30
[  327.247313][   T31]  </TASK>
[  327.250834][   T31] Kernel Offset: disabled
[  327.255161][   T31] Rebooting in 86400 seconds..