RDX: 0000000000000001 RSI: 0000000020c22000 RDI: 0000000000002d3a RBP: 00007f6fd098a120 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020c22fa0 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007f6fcfd9c050 R15: 00007f6fcfebfa48 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 14384 at block/blk-mq.c:1258 blk_mq_start_request+0x643/0x780 block/blk-mq.c:1258 Modules linked in: CPU: 1 PID: 14384 Comm: syz-executor.2 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #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 6d d1 42 fd <0f> 0b e9 f6 fa ff ff e8 61 d1 42 fd 0f 0b e9 06 fa ff ff e8 55 d1 RSP: 0018:ffffc90010fced90 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88801e4eb780 RCX: ffffc9000b791000 RDX: 0000000000040000 RSI: ffffffff8445cb13 RDI: 0000000000000005 RBP: ffff88801e4eb814 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 1ffffffff19f7069 R12: ffff88801de699f8 R13: 0000000000000001 R14: ffff88801e4eb89d R15: ffff88801e4eb8a0 FS: 00007f6fd098a6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbf217ccd58 CR3: 000000007e59f000 CR4: 00000000003526f0 Call Trace: 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+0x2e7/0x5e0 mm/readahead.c:241 do_page_cache_ra mm/readahead.c:299 [inline] page_cache_ra_order+0x72b/0xa80 mm/readahead.c:546 ondemand_readahead+0x493/0x1130 mm/readahead.c:668 page_cache_async_ra mm/readahead.c:717 [inline] page_cache_async_ra+0x123/0x150 mm/readahead.c:699 do_async_mmap_readahead mm/filemap.c:3169 [inline] filemap_fault+0xd54/0x3570 mm/filemap.c:3223 __do_fault+0x107/0x5f0 mm/memory.c:4265 do_cow_fault mm/memory.c:4662 [inline] do_fault mm/memory.c:4764 [inline] do_pte_missing mm/memory.c:3730 [inline] handle_pte_fault mm/memory.c:5038 [inline] __handle_mm_fault+0x3a74/0x3d60 mm/memory.c:5179 handle_mm_fault+0x478/0xa00 mm/memory.c:5344 faultin_page mm/gup.c:956 [inline] __get_user_pages+0x4b2/0x1480 mm/gup.c:1239 __get_user_pages_locked mm/gup.c:1507 [inline] __gup_longterm_locked+0x278/0x2ab0 mm/gup.c:2209 pin_user_pages_remote+0xee/0x140 mm/gup.c:3356 process_vm_rw_single_vec mm/process_vm_access.c:105 [inline] process_vm_rw_core.constprop.0+0x43d/0xa10 mm/process_vm_access.c:215 process_vm_rw+0x2ff/0x360 mm/process_vm_access.c:283 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline] __x64_sys_process_vm_writev+0xe2/0x1b0 mm/process_vm_access.c:298 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: 0033:0x7f6fcfc7cae9 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:00007f6fd098a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: ffffffffffffffda RBX: 00007f6fcfd9c050 RCX: 00007f6fcfc7cae9 RDX: 0000000000000001 RSI: 0000000020c22000 RDI: 0000000000002d3a RBP: 00007f6fd098a120 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020c22fa0 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007f6fcfd9c050 R15: 00007f6fcfebfa48