syzbot


possible deadlock in vmci_qp_broker_detach
Status: upstream: reported syz repro on 2021/03/26 01:19
Reported-by: syzbot+44e40ac2cfe68e8ce207@syzkaller.appspotmail.com
First crash: 32d, last: 8d14h

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 3 10d 115d 0/1 upstream: reported C repro on 2020/12/28 17:12

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/04/14 15:29 upstream 50987bec 3134b37f .config log report syz possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce-smack-root 2021/04/12 17:28 upstream d434405a bfeda1b1 .config log report syz possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce 2021/04/14 11:37 upstream 50987bec 3134b37f .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce-smack-root 2021/04/12 16:01 upstream d434405a bfeda1b1 .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce 2021/03/31 10:37 upstream 2bb25b3a 6a81331a .config log report info possible deadlock in vmci_qp_broker_detach
ci-upstream-kasan-gce 2021/03/22 01:14 upstream 5ee96fa9 bea32f74 .config log report info possible deadlock in vmci_qp_broker_detach