syzbot


possible deadlock in perf_event_ctx_lock_nested (2)
Status: upstream: reported on 2021/05/17 11:17
Reported-by: syzbot+4b71bb3365e7d5228913@syzkaller.appspotmail.com
First crash: 81d, last: 35d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream possible deadlock in perf_event_ctx_lock_nested 8914 1324d 1374d 0/22 auto-closed as invalid on 2019/02/22 10:22
linux-4.19 possible deadlock in perf_event_ctx_lock_nested 1 115d 115d 0/1 upstream: reported on 2021/04/08 16:07
linux-4.14 possible deadlock in perf_event_ctx_lock_nested (2) syz 3 7d15h 285d 0/1 upstream: reported syz repro on 2020/10/20 10:26
linux-4.14 possible deadlock in perf_event_ctx_lock_nested 1 425d 425d 0/1 auto-closed as invalid on 2020/09/30 09:36

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/06/27 17:06 upstream 625acffd7ae2 9d2ab5df .config log report info possible deadlock in perf_event_ctx_lock_nested
ci-upstream-kasan-gce-root 2021/05/12 07:11 upstream 88b06399c9c7 b3c3bb8e .config log report info possible deadlock in perf_event_ctx_lock_nested