------------[ cut here ]------------
WARNING: CPU: 1 PID: 2855 at fs/xfs/libxfs/xfs_bmap.c:4599 xfs_bmapi_convert_delalloc+0xfc4/0x1310
Modules linked in:
CPU: 1 PID: 2855 Comm: kworker/u4:11 Not tainted 6.6.0-syzkaller-05843-g89ed67ef126c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Workqueue: writeback wb_workfn (flush-7:3)
RIP: 0010:xfs_bmapi_convert_delalloc+0xfc4/0x1310 fs/xfs/libxfs/xfs_bmap.c:4599
Code: 52 2f 6a fe 0f 0b e9 42 f4 ff ff 89 d9 80 e1 07 38 c1 0f 8c 12 f2 ff ff 48 89 df e8 16 d2 c5 fe e9 05 f2 ff ff e8 2c 2f 6a fe <0f> 0b 41 bd e4 ff ff ff e9 a1 fa ff ff 89 f9 80 e1 07 38 c1 0f 8c
RSP: 0000:ffffc9000a8a69a0 EFLAGS: 00010293
RAX: ffffffff83248364 RBX: ffffffffffffffff RCX: ffff888027595940
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc9000a8a6bd0 R08: ffffffff83247d8a R09: 1ffffffff1dbeedd
R10: dffffc0000000000 R11: fffffbfff1dbeede R12: ffffc9000a8a6ae0
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92001514d48
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f05bc51a000 CR3: 0000000026b57000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 xfs_convert_blocks fs/xfs/xfs_aops.c:266 [inline]
 xfs_map_blocks+0x780/0x1090 fs/xfs/xfs_aops.c:389
 iomap_writepage_map fs/iomap/buffered-io.c:1804 [inline]
 iomap_do_writepage+0xb4a/0x32a0 fs/iomap/buffered-io.c:1972
 write_cache_pages+0x827/0x13f0 mm/page-writeback.c:2474
 iomap_writepages+0x68/0x240 fs/iomap/buffered-io.c:1989
 xfs_vm_writepages+0x139/0x1a0 fs/xfs/xfs_aops.c:513
 do_writepages+0x3a6/0x670 mm/page-writeback.c:2553
 __writeback_single_inode+0x155/0xfa0 fs/fs-writeback.c:1625
 writeback_sb_inodes+0x8e3/0x1210 fs/fs-writeback.c:1916
 wb_writeback+0x44d/0xc60 fs/fs-writeback.c:2092
 wb_do_writeback fs/fs-writeback.c:2239 [inline]
 wb_workfn+0x400/0xff0 fs/fs-writeback.c:2279
 process_one_work kernel/workqueue.c:2630 [inline]
 process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703
 worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>