syzbot


KCSAN: data-race in __rcu_read_unlock / sync_rcu_exp_select_node_cpus (2)
Status: fixed on 2020/07/17 17:58
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 314eeb43e5f2 rcu: Add *_ONCE() and data_race() to rcu_node ->exp_tasks plus locking
First crash: 744d, last: 577d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KCSAN: data-race in __rcu_read_unlock / sync_rcu_exp_select_node_cpus 1 765d 765d 0/22 closed as invalid on 2019/11/19 13:44

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-kcsan-gce 2020/05/10 17:07 https://github.com/google/ktsan.git kcsan 7c3cd68e5d38 8742a2b9 .config log report
ci2-upstream-kcsan-gce 2020/05/01 04:28 https://github.com/google/ktsan.git kcsan 7c3cd68e5d38 3698959a .config log report
ci2-upstream-kcsan-gce 2020/04/26 10:35 https://github.com/google/ktsan.git kcsan 7c3cd68e5d38 0ce7569e .config log report
ci2-upstream-kcsan-gce 2020/01/15 20:35 https://github.com/google/ktsan.git kcsan 245a43005292 f9b69507 .config log report
ci2-upstream-kcsan-gce 2020/01/15 13:57 https://github.com/google/ktsan.git kcsan 245a43005292 fa12bd3c .config log report
ci2-upstream-kcsan-gce 2019/12/22 18:07 https://github.com/google/ktsan.git kcsan 245a43005292 8b967267 .config log report
ci2-upstream-kcsan-gce 2019/11/29 21:44 https://github.com/google/ktsan.git kcsan ef798c30ba4e 4f7e1d0f .config log report
ci2-upstream-kcsan-gce 2019/11/26 21:08 https://github.com/google/ktsan.git kcsan ef798c30ba4e 1048481f .config log report
ci2-upstream-kcsan-gce 2019/11/25 21:31 https://github.com/google/ktsan.git kcsan 5863cc791e4c 598ca6c8 .config log report