syzbot


KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 (4)
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: de95a991bb72 net-backports: tick/sched: Annotate lockless access to last_jiffies_update
First crash: 750d, last: 664d
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 (3) 599 750d 782d 0/22 closed as invalid on 2019/11/19 14:04
upstream KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 (2) 46 782d 785d 0/22 closed as invalid on 2019/10/18 14:11
upstream KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 133 785d 796d 0/22 closed as invalid on 2019/10/15 15:50

Sample crash report:

Crashes (394):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-kcsan-gce 2020/02/13 12:59 https://github.com/google/ktsan.git kcsan f60f0f543333 e6247653 .config log report
ci2-upstream-kcsan-gce 2020/02/13 00:11 https://github.com/google/ktsan.git kcsan f60f0f543333 84f4fc8a .config log report
ci2-upstream-kcsan-gce 2020/02/12 17:35 https://github.com/google/ktsan.git kcsan f60f0f543333 84f4fc8a .config log report
ci2-upstream-kcsan-gce 2020/02/12 05:13 https://github.com/google/ktsan.git kcsan f60f0f543333 a75b198c .config log report
ci2-upstream-kcsan-gce 2020/02/11 17:08 https://github.com/google/ktsan.git kcsan f60f0f543333 4d1ab643 .config log report
ci2-upstream-kcsan-gce 2020/02/11 08:24 https://github.com/google/ktsan.git kcsan f60f0f543333 084454ae .config log report
ci2-upstream-kcsan-gce 2020/02/11 07:18 https://github.com/google/ktsan.git kcsan f60f0f543333 084454ae .config log report
ci2-upstream-kcsan-gce 2020/02/10 23:09 https://github.com/google/ktsan.git kcsan f60f0f543333 d9e55b05 .config log report
ci2-upstream-kcsan-gce 2020/02/10 19:14 https://github.com/google/ktsan.git kcsan f60f0f543333 d9e55b05 .config log report
ci2-upstream-kcsan-gce 2020/02/10 16:25 https://github.com/google/ktsan.git kcsan f60f0f543333 18847f55 .config log report
ci2-upstream-kcsan-gce 2020/02/10 15:28 https://github.com/google/ktsan.git kcsan f60f0f543333 35f5e45e .config log report
ci2-upstream-kcsan-gce 2020/02/10 10:12 https://github.com/google/ktsan.git kcsan f60f0f543333 35f5e45e .config log report
ci2-upstream-kcsan-gce 2020/02/09 21:44 https://github.com/google/ktsan.git kcsan f60f0f543333 35f5e45e .config log report
ci2-upstream-kcsan-gce 2020/02/09 18:43 https://github.com/google/ktsan.git kcsan f60f0f543333 6ece2ea5 .config log report
ci2-upstream-kcsan-gce 2020/02/09 09:46 https://github.com/google/ktsan.git kcsan f60f0f543333 6ece2ea5 .config log report
ci2-upstream-kcsan-gce 2020/02/08 21:21 https://github.com/google/ktsan.git kcsan f60f0f543333 06150bf1 .config log report
ci2-upstream-kcsan-gce 2020/02/08 19:51 https://github.com/google/ktsan.git kcsan f60f0f543333 06150bf1 .config log report
ci2-upstream-kcsan-gce 2020/02/08 15:09 https://github.com/google/ktsan.git kcsan f60f0f543333 06150bf1 .config log report
ci2-upstream-kcsan-gce 2020/02/08 10:07 https://github.com/google/ktsan.git kcsan f60f0f543333 06150bf1 .config log report
ci2-upstream-kcsan-gce 2020/02/08 05:44 https://github.com/google/ktsan.git kcsan 6cccb8ba35bd 06150bf1 .config log report
ci2-upstream-kcsan-gce 2020/02/07 14:43 https://github.com/google/ktsan.git kcsan 6cccb8ba35bd 06150bf1 .config log report
ci2-upstream-kcsan-gce 2020/02/07 00:21 https://github.com/google/ktsan.git kcsan 245a43005292 06150bf1 .config log report
ci2-upstream-kcsan-gce 2020/02/06 15:24 https://github.com/google/ktsan.git kcsan 245a43005292 5be3a391 .config log report
ci2-upstream-kcsan-gce 2020/02/06 11:59 https://github.com/google/ktsan.git kcsan 245a43005292 5be3a391 .config log report
ci2-upstream-kcsan-gce 2020/02/06 08:33 https://github.com/google/ktsan.git kcsan 245a43005292 662cf49a .config log report
ci2-upstream-kcsan-gce 2020/02/06 04:49 https://github.com/google/ktsan.git kcsan 245a43005292 662cf49a .config log report
ci2-upstream-kcsan-gce 2020/02/05 23:07 https://github.com/google/ktsan.git kcsan 245a43005292 662cf49a .config log report
ci2-upstream-kcsan-gce 2020/02/05 19:18 https://github.com/google/ktsan.git kcsan 245a43005292 662cf49a .config log report
ci2-upstream-kcsan-gce 2020/02/05 14:05 https://github.com/google/ktsan.git kcsan 245a43005292 662cf49a .config log report
ci2-upstream-kcsan-gce 2020/02/05 09:17 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/05 08:04 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/05 06:27 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/05 01:07 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/04 17:56 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/04 13:11 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/04 02:07 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/03 19:45 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/03 09:47 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/03 07:43 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/03 02:13 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/02 22:23 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/02 15:01 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2020/02/02 12:15 https://github.com/google/ktsan.git kcsan 245a43005292 93e5e335 .config log report
ci2-upstream-kcsan-gce 2019/11/19 23:28 https://github.com/google/ktsan.git kcsan 5863cc791e4c 432c7650 .config log report