ret_from_fork+0x1f/0x30 :299 ---[ end trace be1d408a2db732b9 ]--- blk_update_request: I/O error, dev sda, sector 1196024 op 0x1:(WRITE) flags 0xc800 phys_seg 0 prio class 0 ------------[ cut here ]------------ kernel BUG at block/blk-mq.c:570! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 37 Comm: kworker/1:1H Tainted: G W 5.10.184-syzkaller-01138-g28cc6246b5e7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: kblockd blk_mq_requeue_work RIP: 0010:blk_mq_end_request block/blk-mq.c:570 [inline] RIP: 0010:blk_mq_dispatch_rq_list+0x1dc5/0x1dd0 block/blk-mq.c:1386 Code: 89 fa e9 91 f3 ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 30 f4 ff ff 4c 89 e7 e8 d5 d0 63 ff e9 23 f4 ff ff e8 db bc 26 ff <0f> 0b e8 b4 f6 65 02 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 RSP: 0018:ffffc9000026f6e0 EFLAGS: 00010293 RAX: ffffffff8243c4e5 RBX: 000000000000000a RCX: ffff8881053c4f00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88810ada0d8a RBP: ffffc9000026f870 R08: ffffffff824295c5 R09: ffffffff82429562 R10: 0000000000000004 R11: ffff8881053c4f00 R12: ffffc9000026f960 R13: ffff88810975c5b0 R14: dffffc0000000000 R15: ffff88810ada0cc0 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc2b0f1e58 CR3: 0000000162cc8000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __blk_mq_do_dispatch_sched block/blk-mq-sched.c:186 [inline] blk_mq_do_dispatch_sched+0x69e/0xcb0 block/blk-mq-sched.c:200 __blk_mq_sched_dispatch_requests+0x3de/0x4e0 blk_mq_sched_dispatch_requests+0xf0/0x160 block/blk-mq-sched.c:348 __blk_mq_run_hw_queue+0x16d/0x280 block/blk-mq.c:1513 __blk_mq_delay_run_hw_queue+0x124/0x5a0 block/blk-mq.c:1590 blk_mq_run_hw_queue+0x29d/0x3b0 block/blk-mq.c:1643 blk_mq_run_hw_queues+0x33d/0x410 block/blk-mq.c:1705 blk_mq_requeue_work+0x73d/0x780 block/blk-mq.c:810 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2298 worker_thread+0xaea/0x1510 kernel/workqueue.c:2444 kthread+0x34b/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 :299 Modules linked in: ---[ end trace be1d408a2db732ba ]--- RIP: 0010:blk_mq_end_request block/blk-mq.c:570 [inline] RIP: 0010:blk_mq_dispatch_rq_list+0x1dc5/0x1dd0 block/blk-mq.c:1386 Code: 89 fa e9 91 f3 ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 30 f4 ff ff 4c 89 e7 e8 d5 d0 63 ff e9 23 f4 ff ff e8 db bc 26 ff <0f> 0b e8 b4 f6 65 02 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 RSP: 0018:ffffc9000026f6e0 EFLAGS: 00010293 RAX: ffffffff8243c4e5 RBX: 000000000000000a RCX: ffff8881053c4f00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88810ada0d8a RBP: ffffc9000026f870 R08: ffffffff824295c5 R09: ffffffff82429562 R10: 0000000000000004 R11: ffff8881053c4f00 R12: ffffc9000026f960 R13: ffff88810975c5b0 R14: dffffc0000000000 R15: ffff88810ada0cc0 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc2b0f1e58 CR3: 0000000162cc8000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400