------------[ cut here ]------------
WARNING: CPU: 0 PID: 6309 at fs/nilfs2/btree.c:2089 nilfs_btree_propagate+0xc79/0xdf0 fs/nilfs2/btree.c:2089
Modules linked in:
CPU: 0 UID: 0 PID: 6309 Comm: segctord Not tainted 6.12.0-rc7-syzkaller-00012-g3022e9d00ebe #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:nilfs_btree_propagate+0xc79/0xdf0 fs/nilfs2/btree.c:2089
Code: 48 8b 44 24 08 49 8d 74 05 58 e8 12 67 ff ff 48 8b 6c 24 10 43 80 3c 27 00 0f 85 16 fe ff ff e9 19 fe ff ff e8 d8 96 1c fe 90 <0f> 0b 90 e9 ea f3 ff ff e8 ca 96 1c fe 48 8b 1c 24 48 81 c3 d0 00
RSP: 0018:ffffc9000f2673a0 EFLAGS: 00010293
RAX: ffffffff83784338 RBX: 0000000000000000 RCX: ffff888000f3a440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffffff8c47ca88 R08: ffffffff8378371c R09: 1ffff11008eb113f
R10: dffffc0000000000 R11: ffffed1008eb1140 R12: dffffc0000000000
R13: 1ffff11008eb1148 R14: 1ffff11008eb113f R15: ffff8880475889f8
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f68cced1000 CR3: 000000004979a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_bmap_propagate+0x75/0x120 fs/nilfs2/bmap.c:345
 nilfs_collect_file_data+0x4d/0xd0 fs/nilfs2/segment.c:587
 nilfs_segctor_apply_buffers+0x184/0x340 fs/nilfs2/segment.c:1006
 nilfs_segctor_scan_file+0x28c/0xa50 fs/nilfs2/segment.c:1045
 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1216 [inline]
 nilfs_segctor_collect fs/nilfs2/segment.c:1540 [inline]
 nilfs_segctor_do_construct+0x1c28/0x6b90 fs/nilfs2/segment.c:2115
 nilfs_segctor_construct+0x181/0x6b0 fs/nilfs2/segment.c:2479
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2587 [inline]
 nilfs_segctor_thread+0x69e/0xe80 fs/nilfs2/segment.c:2701
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>