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kernel BUG in blk_mq_dispatch_rq_list (2)

Status: closed as dup on 2022/09/14 20:17
Reported-by: syzbot+b06f9e2e9638c69264d9@syzkaller.appspotmail.com
First crash: 843d, last: 810d
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
kernel BUG in blk_mq_dispatch_rq_list C error 16 854d 1054d
▶ ▼ Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 kernel BUG in blk_mq_dispatch_rq_list (4) fat C error 16 507d 759d 0/2 upstream: reported C repro on 2022/10/24 04:39
android-5-10 kernel BUG in blk_mq_dispatch_rq_list C error 16 854d 1054d 0/2 closed as invalid on 2022/07/28 16:56
android-5-10 kernel BUG in blk_mq_dispatch_rq_list (3) C error 2 789d 778d 0/2 closed as dup on 2022/10/05 23:45

Sample crash report:
blk_update_request: I/O error, dev sda, sector 622584 op 0x1:(WRITE) flags 0xc800 phys_seg 0 prio class 0
------------[ cut here ]------------
kernel BUG at block/blk-mq.c:569!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 79 Comm: kworker/1:1H Tainted: G        W         5.10.140-syzkaller-00825-g59390358870a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Workqueue: kblockd blk_mq_requeue_work
RIP: 0010:blk_mq_end_request block/blk-mq.c:569 [inline]
RIP: 0010:blk_mq_dispatch_rq_list+0x17ef/0x1800 block/blk-mq.c:1397
Code: 68 ff e9 63 f5 ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 83 f6 ff ff 4c 89 ef e8 3b 80 68 ff e9 76 f6 ff ff e8 91 71 2e ff <0f> 0b e8 7a 45 54 02 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41
RSP: 0018:ffffc900002bf6e0 EFLAGS: 00010293
RAX: ffffffff823e792f RBX: ffff88810a910440 RCX: ffff8881053a0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88810a91050a
RBP: ffffc900002bf870 R08: ffffffff823d4a0f R09: ffffffff823d49a5
R10: 0000000000000004 R11: ffff8881053a0000 R12: dffffc0000000000
R13: ffffc900002bf960 R14: ffffc900002bf800 R15: ffff888101f86000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000021000000 CR3: 000000000620f000 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+0x63c/0xc60 block/blk-mq-sched.c:200
 __blk_mq_sched_dispatch_requests+0x3de/0x4d0 block/blk-mq-sched.c:317
 blk_mq_sched_dispatch_requests+0xf0/0x160 block/blk-mq-sched.c:348
 __blk_mq_run_hw_queue+0x14d/0x260 block/blk-mq.c:1524
 __blk_mq_delay_run_hw_queue+0x22a/0x570 block/blk-mq.c:1601
 blk_mq_run_hw_queue+0x29d/0x3b0 block/blk-mq.c:1654
 blk_mq_run_hw_queues+0x37c/0x450 block/blk-mq.c:1717
 blk_mq_requeue_work+0x73b/0x780 block/blk-mq.c:821
 process_one_work+0x726/0xc10 kernel/workqueue.c:2296
 worker_thread+0xb27/0x1550 kernel/workqueue.c:2442
 kthread+0x349/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299
Modules linked in:
---[ end trace 7f8e79cb0f5032f8 ]---
RIP: 0010:blk_mq_end_request block/blk-mq.c:569 [inline]
RIP: 0010:blk_mq_dispatch_rq_list+0x17ef/0x1800 block/blk-mq.c:1397
Code: 68 ff e9 63 f5 ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 83 f6 ff ff 4c 89 ef e8 3b 80 68 ff e9 76 f6 ff ff e8 91 71 2e ff <0f> 0b e8 7a 45 54 02 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41
RSP: 0018:ffffc900002bf6e0 EFLAGS: 00010293
RAX: ffffffff823e792f RBX: ffff88810a910440 RCX: ffff8881053a0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88810a91050a
RBP: ffffc900002bf870 R08: ffffffff823d4a0f R09: ffffffff823d49a5
R10: 0000000000000004 R11: ffff8881053a0000 R12: dffffc0000000000
R13: ffffc900002bf960 R14: ffffc900002bf800 R15: ffff888101f86000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000021000000 CR3: 000000000620f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/09/03 10:14 android12-5.10-lts 59390358870a 49e94a20 .config strace log report syz C ci2-android-5-10 kernel BUG in blk_mq_dispatch_rq_list
2022/08/20 04:54 android12-5.10-lts ee965fe12def 26a13b38 .config strace log report syz C ci2-android-5-10 kernel BUG in blk_mq_dispatch_rq_list
2022/08/07 19:56 android12-5.10-lts f6ce9a9115d5 88e3a122 .config console log report syz ci2-android-5-10 kernel BUG in blk_mq_dispatch_rq_list
2022/08/02 11:41 android12-5.10-lts 3f05c6dd1307 fef302b1 .config strace log report syz ci2-android-5-10 kernel BUG in blk_mq_dispatch_rq_list
2022/08/02 10:06 android12-5.10-lts 3f05c6dd1307 fef302b1 .config console log report syz ci2-android-5-10 kernel BUG in blk_mq_dispatch_rq_list
2022/08/19 07:23 android12-5.10-lts ee965fe12def 26a13b38 .config console log report info ci2-android-5-10 kernel BUG in blk_mq_dispatch_rq_list
2022/08/01 13:00 android12-5.10-lts ccdb3f91433d fef302b1 .config console log report info ci2-android-5-10 kernel BUG in blk_mq_dispatch_rq_list
* Struck through repros no longer work on HEAD.