------------[ cut here ]------------
WARNING: CPU: 0 PID: 49 at fs/xfs/libxfs/xfs_bmap.c:4614 xfs_bmapi_convert_delalloc+0xfcd/0x1320 fs/xfs/libxfs/xfs_bmap.c:4614
Modules linked in:
CPU: 0 PID: 49 Comm: kworker/u4:3 Not tainted 6.8.0-rc3-syzkaller-00136-g1f719a2f3fa6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: writeback wb_workfn (flush-7:3)
RIP: 0010:xfs_bmapi_convert_delalloc+0xfcd/0x1320 fs/xfs/libxfs/xfs_bmap.c:4614
Code: fe 90 0f 0b 90 e9 3a f4 ff ff 89 d9 80 e1 07 38 c1 0f 8c 0a f2 ff ff 48 89 df e8 ee f4 c4 fe e9 fd f1 ff ff e8 a4 27 66 fe 90 <0f> 0b 90 41 bd e4 ff ff ff e9 9d fa ff ff 89 f9 80 e1 07 38 c1 0f
RSP: 0000:ffffc90000b9e9e0 EFLAGS: 00010293
RAX: ffffffff832d3e8c RBX: ffffffffffffffff RCX: ffff88801574d940
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc90000b9ec10 R08: ffffffff832d38ae R09: 1ffffffff1f085b5
R10: dffffc0000000000 R11: fffffbfff1f085b6 R12: ffffc90000b9eb20
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000173d50
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4a0a95e000 CR3: 000000002f874000 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+0x780/0x10a0 fs/xfs/xfs_aops.c:389
 iomap_writepage_map fs/iomap/buffered-io.c:1807 [inline]
 iomap_do_writepage+0x834/0x2820 fs/iomap/buffered-io.c:1975
 write_cache_pages+0x82b/0x1410 mm/page-writeback.c:2474
 iomap_writepages+0x68/0x250 fs/iomap/buffered-io.c:1992
 xfs_vm_writepages+0x139/0x1a0 fs/xfs/xfs_aops.c:513
 do_writepages+0x3aa/0x680 mm/page-writeback.c:2553
 __writeback_single_inode+0x155/0xfd0 fs/fs-writeback.c:1625
 writeback_sb_inodes+0x8e3/0x1220 fs/fs-writeback.c:1916
 wb_writeback+0x44d/0xc80 fs/fs-writeback.c:2092
 wb_do_writeback fs/fs-writeback.c:2239 [inline]
 wb_workfn+0x400/0xfb0 fs/fs-writeback.c:2279
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>