------------[ cut here ]------------
WARNING: CPU: 1 PID: 75 at fs/xfs/libxfs/xfs_bmap.c:4594 xfs_bmapi_convert_delalloc+0xfc4/0x1310
Modules linked in:
CPU: 1 PID: 75 Comm: kworker/u4:4 Not tainted 6.4.0-rc2-syzkaller-00018-g4d6d4c7f541d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:xfs_bmapi_convert_delalloc+0xfc4/0x1310 fs/xfs/libxfs/xfs_bmap.c:4594
Code: 52 01 72 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 86 d2 c9 fe e9 05 f2 ff ff e8 2c 01 72 fe <0f> 0b 41 bd e4 ff ff ff e9 a1 fa ff ff 89 f9 80 e1 07 38 c1 0f 8c
RSP: 0018:ffffc90001596a40 EFLAGS: 00010293
RAX: ffffffff83197b74 RBX: ffffffffffffffff RCX: ffff88801a688000
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc90001596c70 R08: ffffffff8319759a R09: fffffbfff1cab88e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90001596b80
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920002b2d5c
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c50d12dee0 CR3: 0000000075f19000 CR4: 00000000003506e0
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:1634 [inline]
 iomap_do_writepage+0x93b/0x2ed0 fs/iomap/buffered-io.c:1796
 write_cache_pages+0x89e/0x12b0 mm/page-writeback.c:2473
 iomap_writepages+0x68/0x240 fs/iomap/buffered-io.c:1813
 xfs_vm_writepages+0x139/0x1a0 fs/xfs/xfs_aops.c:513
 do_writepages+0x3a6/0x670 mm/page-writeback.c:2551
 __writeback_single_inode+0x155/0xfa0 fs/fs-writeback.c:1603
 writeback_sb_inodes+0x8e3/0x11d0 fs/fs-writeback.c:1894
 wb_writeback+0x458/0xc70 fs/fs-writeback.c:2068
 wb_do_writeback fs/fs-writeback.c:2211 [inline]
 wb_workfn+0x400/0xff0 fs/fs-writeback.c:2251
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>