NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4156 at fs/nilfs2/btree.c:2273 nilfs_btree_assign+0x964/0xde0 fs/nilfs2/btree.c:2273
Modules linked in:
CPU: 0 PID: 4156 Comm: segctord Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:nilfs_btree_assign+0x964/0xde0 fs/nilfs2/btree.c:2273
Code: 00 00 00 00 e9 93 f8 ff ff e8 58 fa 57 fe 44 89 e6 bf fe ff ff ff e8 1b f7 57 fe 41 83 fc fe 0f 85 9a fb ff ff e8 3c fa 57 fe <0f> 0b e9 8e fb ff ff e8 30 fa 57 fe 48 89 eb 48 c7 44 24 28 18 00
RSP: 0018:ffffc90005dff9f8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff88807c340000 RSI: ffffffff832499c4 RDI: 0000000000000005
RBP: ffff888070684690 R08: 0000000000000005 R09: 00000000fffffffe
R10: 00000000fffffffe R11: 000000000008c07e R12: 00000000fffffffe
R13: ffffc90005dffc78 R14: ffffc90005dffcb8 R15: 00000000000000c2
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020070100 CR3: 0000000021984000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_bmap_assign+0x83/0x180 fs/nilfs2/bmap.c:382
 nilfs_segctor_update_payload_blocknr fs/nilfs2/segment.c:1589 [inline]
 nilfs_segctor_assign fs/nilfs2/segment.c:1623 [inline]
 nilfs_segctor_do_construct+0x1bcf/0x69b0 fs/nilfs2/segment.c:2050
 nilfs_segctor_construct+0x8e3/0xb30 fs/nilfs2/segment.c:2373
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2481 [inline]
 nilfs_segctor_thread+0x3c3/0xf30 fs/nilfs2/segment.c:2564
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>