syzbot


possible deadlock in vmci_qp_broker_detach
Status: upstream: reported C repro on 2021/03/26 01:19
Reported-by: syzbot+44e40ac2cfe68e8ce207@syzkaller.appspotmail.com
First crash: 124d, last: 21d

Cause bisection: introduced by (bisect log) [no-op commit]:
commit 2dd209f00fc5a1caafa493066c7cd692fd2fd57c
Author: Bart Van Assche <bvanassche@acm.org>
Date: Tue Mar 10 04:26:16 2020 +0000

  blk-mq: Fix a comment in include/linux/blk-mq.h

Crash: possible deadlock in vmci_qp_broker_detach (log)
Repro: syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 possible deadlock in vmci_qp_broker_detach C 6 15d 207d 0/1 upstream: reported C repro on 2020/12/28 17:12
Patch testing requests:
Created Duration User Patch Repo Result
2021/06/30 22:00 19m paskripkin@gmail.com patch upstream report log
2021/06/30 21:36 19m paskripkin@gmail.com patch upstream report log

Sample crash report:

Crashes (18):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/06/30 17:21 linux-next a1f92694393a 84fd4c77 .config log report syz C possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce 2021/07/03 06:42 upstream 3dbdb38e2869 55aa55c2 .config log report syz possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce 2021/04/14 15:29 upstream 50987beca096 3134b37f .config log report syz possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce-smack-root 2021/04/12 17:28 upstream d434405aaab7 bfeda1b1 .config log report syz possible deadlock in vmci_qp_broker_detach
ci-upstream-linux-next-kasan-gce-root 2021/05/18 09:33 linux-next cd557f1c605f a343ba6b .config log report syz possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce-selinux-root 2021/06/29 15:48 upstream 233a806b00e3 9d2ab5df .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce-selinux-root 2021/06/10 03:04 upstream cd1245d75ce9 1ba81399 .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce-selinux-root 2021/05/19 22:37 upstream 293837b9ac8d a343ba6b .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce 2021/05/17 08:59 upstream d07f6ca923ea a2eb125d .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce-selinux-root 2021/04/24 01:59 upstream e77a830c8297 17f0b706 .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce 2021/04/14 11:37 upstream 50987beca096 3134b37f .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce-smack-root 2021/04/12 16:01 upstream d434405aaab7 bfeda1b1 .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce 2021/03/31 10:37 upstream 2bb25b3a748a 6a81331a .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce 2021/03/22 01:14 upstream 5ee96fa9dd78 bea32f74 .config log report info possible deadlock in vmci_qp_broker_detach
ci-qemu-upstream-386 2021/06/15 21:38 upstream 94f0b2d4a1d0 990d3cbe .config log report info possible deadlock in vmci_qp_broker_detach
ci-qemu-upstream-386 2021/05/14 20:08 upstream bd3c9cdb21a2 8bdd5343 .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-linux-next-kasan-gce-root 2021/06/30 09:34 linux-next a1f92694393a 84fd4c77 .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-linux-next-kasan-gce-root 2021/05/17 21:55 linux-next cd557f1c605f a343ba6b .config log report info possible deadlock in vmci_qp_broker_detach