------------[ cut here ]------------
WARNING: CPU: 0 PID: 4793 at fs/buffer.c:1081 mark_buffer_dirty+0x394/0x7d0
Modules linked in:
CPU: 0 PID: 4793 Comm: segctord Not tainted 6.1.128-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:mark_buffer_dirty+0x394/0x7d0 fs/buffer.c:1081
Code: b5 e0 ff 48 8b 7d 00 be 04 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 9b 66 fc ff e8 26 5f 89 ff e9 42 ff ff ff e8 1c 5f 89 ff <0f> 0b e9 b3 fc ff ff e8 10 5f 89 ff 0f 0b e9 f6 fc ff ff e8 04 5f
RSP: 0018:ffffc90005a976c8 EFLAGS: 00010293
RAX: ffffffff820133d4 RBX: ffff888074d28001 RCX: ffff88807e048000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff82013081 R09: ffffed100e18ae92
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100aad55c2
R13: 1ffff1100aad55c4 R14: ffff8880556aae20 R15: ffff888070c57488
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555cf155c8 CR3: 000000005c7fe000 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:2006 [inline]
 nilfs_segctor_do_construct+0x342/0x7190 fs/nilfs2/segment.c:2068
 nilfs_segctor_construct+0x181/0x6a0 fs/nilfs2/segment.c:2451
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2559 [inline]
 nilfs_segctor_thread+0x552/0x11a0 fs/nilfs2/segment.c:2643
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>