RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fc2012f5120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fc20079bf80 R15: 00007fc2008bfa48
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 12038 at block/blk-mq.c:1258 blk_mq_start_request+0x643/0x780 block/blk-mq.c:1258
Modules linked in:
CPU: 1 PID: 12038 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-16159-g3ca112b71f35 #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 ad 3e 40 fd <0f> 0b e9 f6 fa ff ff e8 a1 3e 40 fd 0f 0b e9 06 fa ff ff e8 95 3e
RSP: 0018:ffffc9001675f7d0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801e0ca880 RCX: ffffc90003bd1000
RDX: 0000000000040000 RSI: ffffffff84486633 RDI: 0000000000000005
RBP: ffff88801e0ca914 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffffffff19f7071 R12: ffff88801d97bc98
R13: 0000000000000001 R14: ffff88801e0ca99d R15: ffff88801e0ca9a0
FS:  00007fc2012f56c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0828c00ff8 CR3: 0000000020675000 CR4: 00000000003526f0
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+0x16b6/0x1e90 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
 read_pages+0x69b/0xdb0 mm/readahead.c:183
 page_cache_ra_unbounded+0x457/0x5e0 mm/readahead.c:269
 do_page_cache_ra mm/readahead.c:299 [inline]
 force_page_cache_ra+0x277/0x380 mm/readahead.c:330
 force_page_cache_readahead mm/internal.h:130 [inline]
 generic_fadvise+0x504/0x750 mm/fadvise.c:106
 vfs_fadvise+0xac/0xd0 mm/fadvise.c:185
 ksys_readahead+0x1a2/0x200 mm/readahead.c:742
 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: 0033:0x7fc20067cae9
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:00007fc2012f50c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bb
RAX: ffffffffffffffda RBX: 00007fc20079bf80 RCX: 00007fc20067cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fc2012f5120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fc20079bf80 R15: 00007fc2008bfa48
 </TASK>