------------[ cut here ]------------
WARNING: CPU: 0 PID: 27181 at block/blk-mq.c:1258 blk_mq_start_request+0x643/0x780 block/blk-mq.c:1258
Modules linked in:
CPU: 0 PID: 27181 Comm: syz-executor.4 Not tainted 6.6.0-syzkaller-15494-g6bc986ab839c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:blk_mq_start_request+0x643/0x780 block/blk-mq.c:1258
Code: 00 00 fc ff df 48 8d 7d 10 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2f 01 00 00 48 89 df ff 55 10 e9 64 fc ff ff e8 9d b5 42 fd <0f> 0b e9 f6 fa ff ff e8 91 b5 42 fd 0f 0b e9 06 fa ff ff e8 85 b5
RSP: 0018:ffffc90009597318 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801d345d00 RCX: ffffc9000d9a7000
RDX: 0000000000040000 RSI: ffffffff8445eaf3 RDI: 0000000000000005
RBP: ffff88801d345d94 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888141792b48
R13: 0000000000000001 R14: ffff88801d345e1d R15: ffff88801d345e20
FS:  00007f9d815746c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa43a376bf8 CR3: 00000000183ca000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 null_queue_rq+0x2e2/0x7a0 drivers/block/null_blk/main.c:1727
 __blk_mq_issue_directly+0xe3/0x270 block/blk-mq.c:2578
 blk_mq_request_issue_directly+0x120/0x190 block/blk-mq.c:2663
 blk_mq_plug_issue_direct+0x19e/0x670 block/blk-mq.c:2684
 blk_mq_flush_plug_list.part.0+0x16b6/0x1e90 block/blk-mq.c:2793
 blk_mq_flush_plug_list block/blk-mq.c:1291 [inline]
 blk_add_rq_to_plug+0x117/0x540 block/blk-mq.c:1294
 blk_mq_submit_bio+0x152f/0x1e30 block/blk-mq.c:2995
 __submit_bio+0xfd/0x310 block/blk-core.c:599
 __submit_bio_noacct_mq block/blk-core.c:678 [inline]
 submit_bio_noacct_nocheck+0x847/0xba0 block/blk-core.c:707
 submit_bio_noacct+0x879/0x1b10 block/blk-core.c:801
 __blkdev_direct_IO block/fops.c:250 [inline]
 blkdev_direct_IO.part.0+0x1052/0x1830 block/fops.c:379
 blkdev_direct_IO block/fops.c:370 [inline]
 blkdev_read_iter+0x29d/0x510 block/fops.c:732
 call_read_iter include/linux/fs.h:2014 [inline]
 aio_read+0x318/0x4e0 fs/aio.c:1551
 __io_submit_one fs/aio.c:1952 [inline]
 io_submit_one+0x1480/0x1de0 fs/aio.c:2001
 __do_sys_io_submit fs/aio.c:2060 [inline]
 __se_sys_io_submit fs/aio.c:2030 [inline]
 __x64_sys_io_submit+0x1c3/0x350 fs/aio.c:2030
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f9d8087cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9d815740c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007f9d8099bf80 RCX: 00007f9d8087cae9
RDX: 00000000200001c0 RSI: 0000000000000003 RDI: 00007f9d8154b000
RBP: 00007f9d81574120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007f9d8099bf80 R15: 00007f9d80abfa48
 </TASK>