R13: 000000000000000b R14: 00007f6b94d9bf80 R15: 00007ffcfe121fd8 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 22862 at block/blk-mq.c:1258 blk_mq_start_request+0x40c/0x680 block/blk-mq.c:1258 Modules linked in: CPU: 1 PID: 22862 Comm: syz-executor.5 Not tainted 6.7.0-rc1-syzkaller-00366-geb3479bc23fa #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:ffffc90005c47758 EFLAGS: 00010246 RAX: ffffffff846707fb RBX: 1ffff11003c2aa92 RCX: 0000000000040000 RDX: ffffc90003e0b000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000001 R08: ffffffff846705e8 R09: 1ffffffff21ba882 R10: dffffc0000000000 R11: fffffbfff21ba883 R12: ffff88801e155400 R13: dffffc0000000000 R14: ffff88801db75690 R15: ffff88801e155494 FS: 00007f6b959566c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555561208f8 CR3: 000000001a7b4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 read_pages+0x639/0x830 mm/readahead.c:183 page_cache_ra_unbounded+0x68e/0x7c0 mm/readahead.c:269 do_page_cache_ra mm/readahead.c:299 [inline] force_page_cache_ra+0x2a7/0x310 mm/readahead.c:330 force_page_cache_readahead mm/internal.h:130 [inline] generic_fadvise+0x528/0x830 mm/fadvise.c:106 ksys_readahead mm/readahead.c:742 [inline] __do_sys_readahead mm/readahead.c:750 [inline] __se_sys_readahead mm/readahead.c:748 [inline] __x64_sys_readahead+0x1b2/0x240 mm/readahead.c:748 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: 0033:0x7f6b94c7cae9 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:00007f6b959560c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bb RAX: ffffffffffffffda RBX: 00007f6b94d9bf80 RCX: 00007f6b94c7cae9 RDX: 000000000000a4ae RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f6b95956120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f6b94d9bf80 R15: 00007ffcfe121fd8