RBP: 00007f9ef5917120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f9ef4d9bf80 R15: 00007fffcaf85d98 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 15244 at block/blk-mq.c:1258 blk_mq_start_request+0x40c/0x680 block/blk-mq.c:1258 Modules linked in: CPU: 0 PID: 15244 Comm: syz-executor.4 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:ffffc90005cf7058 EFLAGS: 00010246 RAX: ffffffff846707fb RBX: 1ffff11003a5e792 RCX: 0000000000040000 RDX: ffffc9000b5dc000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000001 R08: ffffffff846705e8 R09: 1ffffffff21ba882 R10: dffffc0000000000 R11: fffffbfff21ba883 R12: ffff88801d2f3c00 R13: dffffc0000000000 R14: ffff88801ca9bc98 R15: ffff88801d2f3c94 FS: 00007f9ef59176c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110f292c01 CR3: 000000007b812000 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 page_cache_sync_readahead include/linux/pagemap.h:1266 [inline] filemap_get_pages+0x49c/0x2080 mm/filemap.c:2497 filemap_read+0x41b/0xec0 mm/filemap.c:2593 blkdev_read_iter+0x2df/0x430 block/fops.c:742 do_iter_readv_writev+0x330/0x4a0 do_iter_read+0x201/0x8a0 fs/read_write.c:795 vfs_readv fs/read_write.c:915 [inline] do_readv+0x26f/0x460 fs/read_write.c:952 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: 0033:0x7f9ef4c7cae9 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:00007f9ef59170c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 RAX: ffffffffffffffda RBX: 00007f9ef4d9bf80 RCX: 00007f9ef4c7cae9 RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00007f9ef5917120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f9ef4d9bf80 R15: 00007fffcaf85d98