R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007ff11379bf80 R15: 00007fffa7c7aef8
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 2 PID: 646 at block/blk-mq.c:1258 blk_mq_start_request+0x646/0x780 block/blk-mq.c:1258
Modules linked in:
CPU: 2 PID: 646 Comm: syz-executor.1 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:blk_mq_start_request+0x646/0x780 block/blk-mq.c:1258
Code: 00 fc ff df 48 8d 7d 10 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 35 01 00 00 48 89 df ff 55 10 e9 62 fc ff ff e8 9b ec 41 fd 90 <0f> 0b 90 e9 f2 fa ff ff e8 8d ec 41 fd 90 0f 0b 90 e9 00 fa ff ff
RSP: 0018:ffffc9002193f318 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff888020441680 RCX: ffffc90003901000
RDX: 0000000000040000 RSI: ffffffff84449a75 RDI: 0000000000000005
RBP: ffff888020441714 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801f868180
R13: 0000000000000001 R14: ffff88802044179d R15: ffff8880204417a0
FS:  00007ff1143fa6c0(0000) GS:ffff88806b800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff1143d9000 CR3: 0000000022510000 CR4: 0000000000350ef0
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+0x1539/0x1d00 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+0x1531/0x1e30 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+0x87b/0x1b70 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+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7ff11367cae9
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:00007ff1143fa0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007ff11379bf80 RCX: 00007ff11367cae9
RDX: 00000000200000c0 RSI: 00000000000000ca RDI: 00007ff1143d9000
RBP: 00007ff1143fa120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007ff11379bf80 R15: 00007fffa7c7aef8
 </TASK>