RBP: 00007fcfd73fd120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007fcfd679bf80 R15: 00007fcfd68bfa48
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8839 at block/blk-mq.c:1258 blk_mq_start_request+0x646/0x780 block/blk-mq.c:1258
Modules linked in:
CPU: 1 PID: 8839 Comm: syz-executor.4 Not tainted 6.7.0-rc1-syzkaller-00344-g037266a5f723 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
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 bb 6c 42 fd 90 <0f> 0b 90 e9 f2 fa ff ff e8 ad 6c 42 fd 90 0f 0b 90 e9 00 fa ff ff
RSP: 0018:ffffc9001635f0d0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801d6cb600 RCX: ffffc9000b165000
RDX: 0000000000040000 RSI: ffffffff84452435 RDI: 0000000000000005
RBP: ffff88801d6cb694 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888141f09150
R13: 0000000000000001 R14: ffff88801d6cb71d R15: ffff88801d6cb720
FS:  00007fcfd73fd6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000206d4000 CR3: 0000000027e67000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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+0x62/0x80 block/blk-mq.c:2770
 __blk_flush_plug+0x2c0/0x430 block/blk-core.c:1142
 blk_finish_plug block/blk-core.c:1166 [inline]
 blk_finish_plug+0x54/0xa0 block/blk-core.c:1163
 do_writepages+0x300/0x690 mm/page-writeback.c:2560
 filemap_fdatawrite_wbc mm/filemap.c:387 [inline]
 filemap_fdatawrite_wbc+0x144/0x1b0 mm/filemap.c:377
 __filemap_fdatawrite_range+0xba/0x100 mm/filemap.c:420
 file_write_and_wait_range+0xcc/0x140 mm/filemap.c:778
 blkdev_fsync+0x72/0xd0 block/fops.c:529
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2653 [inline]
 blkdev_write_iter+0x8c5/0xc90 block/fops.c:700
 call_write_iter include/linux/fs.h:2020 [inline]
 do_iter_readv_writev+0x21e/0x3c0 fs/read_write.c:735
 do_iter_write+0x17f/0x7f0 fs/read_write.c:860
 vfs_iter_write+0x7a/0xb0 fs/read_write.c:901
 iter_file_splice_write+0x698/0xc00 fs/splice.c:736
 do_splice_from fs/splice.c:933 [inline]
 direct_splice_actor+0x118/0x180 fs/splice.c:1142
 splice_direct_to_actor+0x347/0xa30 fs/splice.c:1088
 do_splice_direct+0x1af/0x280 fs/splice.c:1194
 do_sendfile+0xb3e/0x1310 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64 fs/read_write.c:1308 [inline]
 __x64_sys_sendfile64+0x1d6/0x220 fs/read_write.c:1308
 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: 0033:0x7fcfd667cae9
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:00007fcfd73fd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fcfd679bf80 RCX: 00007fcfd667cae9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007fcfd73fd120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007fcfd679bf80 R15: 00007fcfd68bfa48
 </TASK>