------------[ cut here ]------------
WARNING: CPU: 1 PID: 5680 at fs/buffer.c:1181 mark_buffer_dirty+0x2e5/0x520 fs/buffer.c:1181
Modules linked in:
CPU: 1 UID: 0 PID: 5680 Comm: segctord Not tainted 6.11.0-rc5-syzkaller-00176-g20371ba12063 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:mark_buffer_dirty+0x2e5/0x520 fs/buffer.c:1181
Code: 89 df e8 1e 3b dc ff 48 8b 3b be 04 00 00 00 5b 41 5e 41 5f 5d e9 7b f0 fb ff e8 c6 18 78 ff e9 73 ff ff ff e8 bc 18 78 ff 90 <0f> 0b 90 e9 61 fd ff ff e8 ae 18 78 ff 90 0f 0b 90 e9 88 fd ff ff
RSP: 0018:ffffc90003fcf738 EFLAGS: 00010293
RAX: ffffffff821b7324 RBX: ffff8880732a8701 RCX: ffff888028453c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff821b7081 R09: 1ffff110045b9b22
R10: dffffc0000000000 R11: ffffed10045b9b23 R12: 1ffff1100c90c027
R13: 1ffff1100c90c029 R14: ffff888022dcd910 R15: ffff888064860138
FS:  0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555780f9608 CR3: 0000000024080000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_segctor_collect_dirty_files fs/nilfs2/segment.c:1982 [inline]
 nilfs_segctor_do_construct+0x341/0x6bd0 fs/nilfs2/segment.c:2044
 nilfs_segctor_construct+0x181/0x6b0 fs/nilfs2/segment.c:2429
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2537 [inline]
 nilfs_segctor_thread+0x55c/0x11b0 fs/nilfs2/segment.c:2622
 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>