------------[ cut here ]------------
WARNING: CPU: 1 PID: 9325 at fs/iomap/iter.c:33 iomap_iter_done fs/iomap/iter.c:33 [inline]
WARNING: CPU: 1 PID: 9325 at fs/iomap/iter.c:33 iomap_iter+0xedf/0x12a0 fs/iomap/iter.c:78
Modules linked in:
CPU: 1 PID: 9325 Comm: kworker/u4:12 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: loop0 loop_rootcg_workfn
RIP: 0010:iomap_iter_done fs/iomap/iter.c:33 [inline]
RIP: 0010:iomap_iter+0xedf/0x12a0 fs/iomap/iter.c:78
Code: f9 ff ff e8 03 4c d3 ff e9 53 f7 ff ff e8 b9 fb 86 ff 0f 0b e9 d6 f7 ff ff e8 ad fb 86 ff 0f 0b e9 76 f6 ff ff e8 a1 fb 86 ff <0f> 0b e9 14 f6 ff ff e8 95 fb 86 ff 0f 0b e9 40 f6 ff ff e8 89 fb
RSP: 0018:ffffc90006917660 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffc90006917800 RCX: 0000000000000000
RDX: ffff88801e8cba80 RSI: ffffffff81f5a0df RDI: 0000000000000006
RBP: ffffffff80001001 R08: 0000000000000006 R09: 00000fff80001000
R10: ffffffff80001001 R11: 000000000008c07e R12: ffffffff8de21c00
R13: 0000000000000000 R14: 00000fff80001000 R15: ffffc90006917828
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6b7b7ff718 CR3: 00000000203d7000 CR4: 00000000003526e0
Call Trace:
 <TASK>
 __iomap_dio_rw+0x6c6/0x1cb0 fs/iomap/direct-io.c:601
 iomap_dio_rw+0x3c/0xa0 fs/iomap/direct-io.c:690
 ext4_dio_read_iter fs/ext4/file.c:94 [inline]
 ext4_file_read_iter+0x4ba/0x690 fs/ext4/file.c:145
 call_read_iter include/linux/fs.h:2185 [inline]
 lo_rw_aio.isra.0+0xa54/0xc50 drivers/block/loop.c:454
 do_req_filebacked drivers/block/loop.c:498 [inline]
 loop_handle_cmd drivers/block/loop.c:1864 [inline]
 loop_process_work+0x969/0x2050 drivers/block/loop.c:1899
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>