------------[ cut here ]------------
WARNING: CPU: 1 PID: 9 at fs/xfs/libxfs/xfs_bmap.c:4641 xfs_bmapi_convert_delalloc+0xb59/0xd90 fs/xfs/libxfs/xfs_bmap.c:4641
Modules linked in:
CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:xfs_bmapi_convert_delalloc+0xb59/0xd90 fs/xfs/libxfs/xfs_bmap.c:4641
Code: 3d f1 ff ff 48 8b bc 24 a0 01 00 00 e8 a0 82 18 00 41 89 c5 e9 97 f7 ff ff e8 53 5b 9d fe 0f 0b e9 78 f7 ff ff e8 47 5b 9d fe <0f> 0b 41 bd e4 ff ff ff 48 8b 5c 24 10 eb a6 89 d9 80 e1 07 38 c1
RSP: 0018:ffffc90000ce6b00 EFLAGS: 00010293
RAX: ffffffff82da70c9 RBX: ffffffffffffffff RCX: ffff88813fed0000
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc90000ce6d10 R08: dffffc0000000000 R09: fffffbfff1ad33a6
R10: fffffbfff1ad33a6 R11: 1ffffffff1ad33a5 R12: ffff88805ece52c8
R13: 0000000000000000 R14: ffffc90000ce6bc0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f49024e5000 CR3: 00000000295ac000 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+0x954/0x1320 fs/xfs/xfs_aops.c:366
 iomap_writepage_map fs/iomap/buffered-io.c:1320 [inline]
 iomap_do_writepage+0x649/0x2120 fs/iomap/buffered-io.c:1485
 write_cache_pages+0x984/0xfa0 mm/page-writeback.c:2277
 iomap_writepages+0x5a/0x210 fs/iomap/buffered-io.c:1516
 xfs_vm_writepages+0x129/0x180 fs/xfs/xfs_aops.c:488
 do_writepages+0x48d/0x6d0 mm/page-writeback.c:2386
 __writeback_single_inode+0x153/0xda0 fs/fs-writeback.c:1657
 writeback_sb_inodes+0x9fe/0x1610 fs/fs-writeback.c:1940
 wb_writeback+0x443/0xb90 fs/fs-writeback.c:2114
 wb_do_writeback fs/fs-writeback.c:2257 [inline]
 wb_workfn+0x423/0xe60 fs/fs-writeback.c:2298
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>