R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007f243f19bf80 R15: 00007ffc44a20d08
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 19892 at block/blk-mq.c:1258 blk_mq_start_request+0x40c/0x680 block/blk-mq.c:1258
Modules linked in:
CPU: 1 PID: 19892 Comm: syz-executor.2 Not tainted 6.7.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:blk_mq_start_request+0x40c/0x680 block/blk-mq.c:1258
Code: f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 3c 01 00 00 41 89 1e 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 85 71 27 fd 90 <0f> 0b 90 e9 f1 fd ff ff e8 77 71 27 fd 90 0f 0b 90 e9 44 fc ff ff
RSP: 0018:ffffc9000311f338 EFLAGS: 00010246
RAX: ffffffff846707fb RBX: 1ffff11003bf13a2 RCX: 0000000000040000
RDX: ffffc90005e51000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000001 R08: ffffffff846705e8 R09: 1ffffffff1e01815
R10: dffffc0000000000 R11: fffffbfff1e01816 R12: ffff88801df89c80
R13: dffffc0000000000 R14: ffff88801de51150 R15: ffff88801df89d14
FS:  00007f243fd536c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020600000 CR3: 0000000027748000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 null_queue_rq+0x32c/0x640 drivers/block/null_blk/main.c:1727
 __blk_mq_issue_directly block/blk-mq.c:2578 [inline]
 blk_mq_request_issue_directly+0x3cd/0x710 block/blk-mq.c:2663
 blk_mq_plug_issue_direct+0x27c/0x5d0 block/blk-mq.c:2684
 blk_mq_flush_plug_list+0x842/0x1860 block/blk-mq.c:2793
 __blk_flush_plug+0x446/0x4c0 block/blk-core.c:1142
 blk_finish_plug+0x5d/0x80 block/blk-core.c:1166
 do_writepages+0x41d/0x670 mm/page-writeback.c:2560
 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:387
 __filemap_fdatawrite_range mm/filemap.c:420 [inline]
 file_write_and_wait_range+0x20f/0x300 mm/filemap.c:778
 blkdev_fsync+0x73/0xc0 block/fops.c:529
 generic_write_sync+0x18b/0x200 include/linux/fs.h:2653
 blkdev_write_iter+0x4a8/0x5b0 block/fops.c:700
 do_iter_readv_writev+0x330/0x4a0
 do_iter_write+0x1f6/0x8d0 fs/read_write.c:860
 vfs_writev fs/read_write.c:933 [inline]
 do_writev+0x27f/0x470 fs/read_write.c:976
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f243f07cae9
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:00007f243fd530c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f243f19bf80 RCX: 00007f243f07cae9
RDX: 0000000000000001 RSI: 0000000020000880 RDI: 0000000000000003
RBP: 00007f243fd53120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007f243f19bf80 R15: 00007ffc44a20d08
 </TASK>