syzbot


KCSAN: data-race in __rcu_read_unlock / sync_rcu_exp_select_cpus
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+99f4ddade3c22ab0cf23@syzkaller.appspotmail.com
Fix commit: c51f83c315c3 rcu: Use READ_ONCE() for ->expmask in rcu_read_unlock_special()
First crash: 771d, last: 667d

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-kcsan-gce 2020/02/06 11:14 https://github.com/google/ktsan.git kcsan 245a43005292 662cf49a .config log report
ci2-upstream-kcsan-gce 2020/01/29 19:28 https://github.com/google/ktsan.git kcsan 245a43005292 5ed23f9a .config log report
ci2-upstream-kcsan-gce 2019/12/21 06:56 https://github.com/google/ktsan.git kcsan 245a43005292 bc586918 .config log report
ci2-upstream-kcsan-gce 2019/12/05 04:53 https://github.com/google/ktsan.git kcsan ef798c30ba4e b2088328 .config log report
ci2-upstream-kcsan-gce 2019/12/02 17:41 https://github.com/google/ktsan.git kcsan ef798c30ba4e f879db37 .config log report
ci2-upstream-kcsan-gce 2019/11/17 05:46 https://github.com/google/ktsan.git kcsan 5863cc791e4c cdac920b .config log report
ci2-upstream-kcsan-gce 2019/10/24 23:14 https://github.com/google/ktsan.git kcsan 05f2236801fe d01bb02a .config log report