NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
NILFS (loop0): I/O error reading meta-data file (ino=3, block-offset=65807)
NILFS error (device loop0): nilfs_bmap_lookup_at_level: broken bmap (inode number=5)
Remounting filesystem read-only
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5112 at fs/nilfs2/segment.c:1500 nilfs_cancel_segusage fs/nilfs2/segment.c:1500 [inline]
WARNING: CPU: 0 PID: 5112 at fs/nilfs2/segment.c:1500 nilfs_segctor_abort_construction+0xe51/0xec0 fs/nilfs2/segment.c:1866
Modules linked in:
CPU: 0 UID: 0 PID: 5112 Comm: segctord Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #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_cancel_segusage fs/nilfs2/segment.c:1500 [inline]
RIP: 0010:nilfs_segctor_abort_construction+0xe51/0xec0 fs/nilfs2/segment.c:1866
Code: 8b 04 25 28 00 00 00 48 3b 84 24 a0 00 00 00 75 74 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 00 e0 19 fe 90 <0f> 0b 90 e9 ea f9 ff ff e8 f2 df 19 fe 90 0f 0b 90 e9 93 fb ff ff
RSP: 0018:ffffc9000ae6f680 EFLAGS: 00010293
RAX: ffffffff837af7e0 RBX: 00000000fffffffb RCX: ffff8880009c0000
RDX: 0000000000000000 RSI: 00000000fffffffb RDI: 0000000000000000
RBP: ffffc9000ae6f770 R08: ffffffff837af1c6 R09: 1ffff110080da3c0
R10: dffffc0000000000 R11: ffffed10080da3c1 R12: 0000000000000000
R13: 0000000000000006 R14: ffff8880416e7848 R15: ffff8880416c6138
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020141000 CR3: 0000000035c70000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_segctor_do_construct+0x6335/0x6b90 fs/nilfs2/segment.c:2179
 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>