------------[ cut here ]------------
WARNING: CPU: 1 PID: 3082 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x248/0x2a0
Modules linked in:
CPU: 1 PID: 3082 Comm: segctord Not tainted 5.15.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:nilfs_dat_prepare_end+0x248/0x2a0 fs/nilfs2/dat.c:158
Code: 47 5b fe 89 eb 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 27 47 5b fe e8 c2 a0 db fd e9 5a ff ff ff e8 18 47 5b fe <0f> 0b bb fe ff ff ff eb d2 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc9001027f338 EFLAGS: 00010293
RAX: ffffffff8324e6a8 RBX: 00000000fffffffe RCX: ffff888080729dc0
RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 00000000fffffffe
RBP: 1ffff1100f520b43 R08: ffffffff8324e621 R09: ffffffff83231760
R10: 0000000000000002 R11: ffff888080729dc0 R12: ffff88807a905a18
R13: ffff888078938e28 R14: ffff88807a905a30 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3d4014d420 CR3: 00000000aa39c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_dat_prepare_update+0x1f/0xd0 fs/nilfs2/dat.c:230
 nilfs_btree_prepare_update_v+0x1c5/0x450 fs/nilfs2/btree.c:1921
 nilfs_btree_prepare_propagate_v fs/nilfs2/btree.c:1989 [inline]
 nilfs_btree_propagate_v fs/nilfs2/btree.c:2042 [inline]
 nilfs_btree_propagate+0x3bb/0xde0 fs/nilfs2/btree.c:2099
 nilfs_bmap_propagate+0x6d/0x120 fs/nilfs2/bmap.c:345
 nilfs_collect_file_data+0x49/0xc0 fs/nilfs2/segment.c:587
 nilfs_segctor_apply_buffers+0x180/0x330 fs/nilfs2/segment.c:1047
 nilfs_segctor_scan_file+0x82d/0xad0 fs/nilfs2/segment.c:1096
 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1205 [inline]
 nilfs_segctor_collect fs/nilfs2/segment.c:1532 [inline]
 nilfs_segctor_do_construct+0x1d56/0x72e0 fs/nilfs2/segment.c:2080
 nilfs_segctor_construct+0x145/0x8c0 fs/nilfs2/segment.c:2416
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2524 [inline]
 nilfs_segctor_thread+0x512/0x1130 fs/nilfs2/segment.c:2607
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>