------------[ cut here ]------------ WARNING: CPU: 1 PID: 11 at fs/iomap/iter.c:33 iomap_iter_done fs/iomap/iter.c:33 [inline] WARNING: CPU: 1 PID: 11 at fs/iomap/iter.c:33 iomap_iter+0xd85/0x1110 fs/iomap/iter.c:78 Modules linked in: CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 5.19.0-rc4-syzkaller-00125-ga175eca0f3d7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Workqueue: loop3 loop_rootcg_workfn RIP: 0010:iomap_iter_done fs/iomap/iter.c:33 [inline] RIP: 0010:iomap_iter+0xd85/0x1110 fs/iomap/iter.c:78 Code: fd ff ff e8 3d e6 cd ff e9 f9 f9 ff ff e8 f3 21 81 ff 0f 0b e9 87 f8 ff ff e8 e7 21 81 ff 0f 0b e9 98 f7 ff ff e8 db 21 81 ff <0f> 0b e9 38 f7 ff ff e8 cf 21 81 ff 0f 0b e9 64 f7 ff ff e8 c3 21 RSP: 0018:ffffc90000107668 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffc90000107800 RCX: 0000000000000000 RDX: ffff88813fedbb00 RSI: ffffffff81f944d5 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000000 R10: d70e000000000000 R11: 0000000000000002 R12: 0000000000000000 R13: d70e000000000000 R14: ffffc90000107828 R15: ffffc90000107870 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555d7f1b9e10 CR3: 000000001ce81000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __iomap_dio_rw+0x6b6/0x1a80 fs/iomap/direct-io.c:600 iomap_dio_rw+0x3c/0xa0 fs/iomap/direct-io.c:689 ext4_dio_read_iter fs/ext4/file.c:79 [inline] ext4_file_read_iter+0x436/0x600 fs/ext4/file.c:130 call_read_iter include/linux/fs.h:2052 [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:1859 [inline] loop_process_work+0x969/0x2050 drivers/block/loop.c:1894 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302