------------[ cut here ]------------
WARNING: CPU: 1 PID: 12 at fs/xfs/libxfs/xfs_bmap.c:4599 xfs_bmapi_convert_delalloc+0xfc0/0x1310
Modules linked in:
CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted 6.6.0-rc2-syzkaller-00048-g42dc814987c1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:xfs_bmapi_convert_delalloc+0xfc0/0x1310 fs/xfs/libxfs/xfs_bmap.c:4599
Code: d6 7b 6b 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 7a 54 c8 fe e9 05 f2 ff ff e8 b0 7b 6b 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:ffffc900001169a0 EFLAGS: 00010293
RAX: ffffffff8321b940 RBX: ffffffffffffffff RCX: ffff88801667d940
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffffffffffffffff
RBP: ffffc90000116bd0 R08: ffffffff8321b366 R09: 1ffffffff1d356e5
R10: dffffc0000000000 R11: fffffbfff1d356e6 R12: ffffc90000116ae0
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000022d48
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd862064440 CR3: 000000000d12f000 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+0x77c/0x1080 fs/xfs/xfs_aops.c:389
 iomap_writepage_map fs/iomap/buffered-io.c:1794 [inline]
 iomap_do_writepage+0xb46/0x3270 fs/iomap/buffered-io.c:1962
 write_cache_pages+0x823/0x13d0 mm/page-writeback.c:2474
 iomap_writepages+0x64/0x240 fs/iomap/buffered-io.c:1979
 xfs_vm_writepages+0x135/0x190 fs/xfs/xfs_aops.c:513
 do_writepages+0x3a2/0x670 mm/page-writeback.c:2553
 __writeback_single_inode+0x155/0xf90 fs/fs-writeback.c:1603
 writeback_sb_inodes+0x8df/0x11d0 fs/fs-writeback.c:1894
 wb_writeback+0x449/0xc50 fs/fs-writeback.c:2070
 wb_do_writeback fs/fs-writeback.c:2217 [inline]
 wb_workfn+0x3fc/0xfe0 fs/fs-writeback.c:2257
 process_one_work kernel/workqueue.c:2630 [inline]
 process_scheduled_works+0x90b/0x1400 kernel/workqueue.c:2703
 worker_thread+0xa5b/0xff0 kernel/workqueue.c:2784
 kthread+0x2cf/0x360 kernel/kthread.c:388
 ret_from_fork+0x44/0x70 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>