------------[ cut here ]------------
WARNING: CPU: 1 PID: 3503 at fs/buffer.c:1189 mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1189
Modules linked in:
CPU: 1 UID: 0 PID: 3503 Comm: kworker/u8:9 Not tainted 6.16.0-rc2-syzkaller-00047-g52da431bf03b #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: writeback wb_workfn (flush-7:8)
RIP: 0010:mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1189
Code: 4c 89 f7 e8 e9 bf dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 94 33 fc ff e8 6f 6c 7c ff eb 8c e8 68 6c 7c ff 90 <0f> 0b 90 e9 95 fd ff ff e8 5a 6c 7c ff 90 0f 0b 90 e9 bf fd ff ff
RSP: 0018:ffffc9000b7e6dc8 EFLAGS: 00010293
RAX: ffffffff8243eed8 RBX: ffff888056030bc8 RCX: ffff8880314bbc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffff888030d9a001 R08: ffff888056030bcf R09: 1ffff1100ac06179
R10: dffffc0000000000 R11: ffffed100ac0617a R12: ffff888057903000
R13: ffff8880560170e8 R14: ffff888056030bc8 R15: 000000000000000f
FS:  0000000000000000(0000) GS:ffff888125d85000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005563330b85f8 CR3: 0000000029504000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bfs_move_block fs/bfs/file.c:44 [inline]
 bfs_move_blocks fs/bfs/file.c:57 [inline]
 bfs_get_block+0x5da/0xae0 fs/bfs/file.c:126
 __block_write_full_folio+0x308/0xe10 fs/buffer.c:1891
 mpage_write_folio fs/mpage.c:635 [inline]
 mpage_writepages+0xb87/0x1cc0 fs/mpage.c:664
 do_writepages+0x32b/0x550 mm/page-writeback.c:2636
 __writeback_single_inode+0x145/0xff0 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x6b5/0x1000 fs/fs-writeback.c:1976
 wb_writeback+0x43b/0xaf0 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x409/0xef0 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>