------------[ cut here ]------------
WARNING: CPU: 1 PID: 154 at fs/xfs/libxfs/xfs_bmap.c:4641 xfs_bmapi_convert_delalloc+0xe91/0x1180 fs/xfs/libxfs/xfs_bmap.c:-1
Modules linked in:
CPU: 1 PID: 154 Comm: kworker/u4:2 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:xfs_bmapi_convert_delalloc+0xe91/0x1180 fs/xfs/libxfs/xfs_bmap.c:4641
Code: 85 50 82 fe 0f 0b e9 c8 f4 ff ff 89 d9 80 e1 07 38 c1 0f 8c f0 f2 ff ff 48 89 df e8 c9 40 cc fe e9 e3 f2 ff ff e8 5f 50 82 fe <0f> 0b 41 bd e4 ff ff ff 48 8b 5c 24 08 e9 62 ff ff ff e8 48 50 82
RSP: 0018:ffffc90002046a20 EFLAGS: 00010293
RAX: ffffffff82fdf1e1 RBX: ffffffffffffffff RCX: ffff88801ddd9dc0
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc90002046c50 R08: ffffffff82fdebf7 R09: fffffbfff1c154b6
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90002046b60 R14: ffffc90002046b00 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005565a5987d08 CR3: 000000002c0ad000 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:245 [inline]
 xfs_map_blocks+0xa9e/0x1520 fs/xfs/xfs_aops.c:366
 iomap_writepage_map fs/iomap/buffered-io.c:1320 [inline]
 iomap_do_writepage+0x63c/0x21c0 fs/iomap/buffered-io.c:1485
 write_cache_pages+0xa97/0x1160 mm/page-writeback.c:2277
 iomap_writepages+0x64/0x240 fs/iomap/buffered-io.c:1516
 xfs_vm_writepages+0x127/0x180 fs/xfs/xfs_aops.c:488
 do_writepages+0x481/0x730 mm/page-writeback.c:2386
 __writeback_single_inode+0x15b/0xe30 fs/fs-writeback.c:1647
 writeback_sb_inodes+0xbce/0x1a40 fs/fs-writeback.c:1930
 wb_writeback+0x451/0xc50 fs/fs-writeback.c:2104
 wb_do_writeback fs/fs-writeback.c:2247 [inline]
 wb_workfn+0x46c/0x1130 fs/fs-writeback.c:2288
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>