------------[ cut here ]------------
WARNING: CPU: 0 PID: 4751 at fs/nilfs2/dat.c:200 nilfs_dat_commit_end+0x5ac/0x6f8
Modules linked in:
CPU: 0 PID: 4751 Comm: syz.1.102 Not tainted 6.1.106-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : nilfs_dat_commit_end+0x5ac/0x6f8
lr : nilfs_dat_commit_end+0x5a8/0x6f8 fs/nilfs2/dat.c:200
sp : ffff80001e387060
x29: ffff80001e387080 x28: 1fffe0001abbe633 x27: 1fffe0001d314966
x26: dfff800000000000 x25: 0000000000000003 x24: ffff0000cd2a6980
x23: 0000000000000003 x22: ffff0000d5df3198 x21: ffff0000e98a4b30
x20: ffff0000d5df1bc0 x19: ffff0000e98a4b18 x18: ffff0000f1202010
x17: ffff8000159bd000 x16: ffff80000825ffa0 x15: 0000000000000002
x14: 1ffff00002b380b0 x13: dfff800000000000 x12: 0000000000040000
x11: 0000000000003f4f x10: ffff80002d59e000 x9 : ffff800009db9a44
x8 : 0000000000003f50 x7 : ffff800009deae30 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff0000cd2a6000
x2 : ffff0000f11aa2b8 x1 : 0000000000000003 x0 : 0000000009000002
Call trace:
 nilfs_dat_commit_end+0x5ac/0x6f8
 nilfs_dat_commit_update+0x38/0x58 fs/nilfs2/dat.c:250
 nilfs_btree_commit_update_v+0x88/0x384 fs/nilfs2/btree.c:1954
 nilfs_btree_commit_propagate_v fs/nilfs2/btree.c:2027 [inline]
 nilfs_btree_propagate_v fs/nilfs2/btree.c:2060 [inline]
 nilfs_btree_propagate+0xb44/0xe90 fs/nilfs2/btree.c:2102
 nilfs_bmap_propagate+0x7c/0x130 fs/nilfs2/bmap.c:345
 nilfs_collect_file_data+0x54/0xe8 fs/nilfs2/segment.c:587
 nilfs_segctor_apply_buffers+0x170/0x31c fs/nilfs2/segment.c:1047
 nilfs_segctor_scan_file_dsync fs/nilfs2/segment.c:1136 [inline]
 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1290 [inline]
 nilfs_segctor_collect fs/nilfs2/segment.c:1532 [inline]
 nilfs_segctor_do_construct+0x1418/0x6608 fs/nilfs2/segment.c:2085
 nilfs_construct_dsync_segment+0x438/0x51c fs/nilfs2/segment.c:2369
 nilfs_sync_file+0xc8/0x244 fs/nilfs2/file.c:32
 vfs_fsync_range+0x168/0x188 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2957 [inline]
 generic_file_write_iter+0x228/0x2b4 mm/filemap.c:3981
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x610/0x91c fs/read_write.c:584
 ksys_write+0x15c/0x26c fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 8886
hardirqs last  enabled at (8885): [<ffff80001236ba0c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (8885): [<ffff80001236ba0c>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (8886): [<ffff800012285e14>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (8818): [<ffff800008032978>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (8816): [<ffff800008032944>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---