------------[ cut here ]------------
WARNING: CPU: 1 PID: 5610 at fs/buffer.c:1177 mark_buffer_dirty+0x2e5/0x520 fs/buffer.c:1177
Modules linked in:
CPU: 1 UID: 0 PID: 5610 Comm: segctord Not tainted 6.11.0-syzkaller-09959-gabf2050f51fd #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:1177
Code: 89 df e8 9e 81 db ff 48 8b 3b be 20 00 00 00 5b 41 5e 41 5f 5d e9 7b e9 fb ff e8 06 f1 74 ff e9 73 ff ff ff e8 fc f0 74 ff 90 <0f> 0b 90 e9 61 fd ff ff e8 ee f0 74 ff 90 0f 0b 90 e9 88 fd ff ff
RSP: 0018:ffffc90002dff758 EFLAGS: 00010293
RAX: ffffffff821fc2c4 RBX: ffff888078036301 RCX: ffff888020798000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff821fc021 R09: 1ffff1100ec4f43a
R10: dffffc0000000000 R11: ffffed100ec4f43b R12: 1ffff1100c3f381f
R13: 1ffff1100c3f3821 R14: ffff88807627a1d0 R15: ffff888061f9c0f8
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000003022a000 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:2033 [inline]
 nilfs_segctor_do_construct+0x33e/0x6b90 fs/nilfs2/segment.c:2095
 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>