syzbot


KCSAN: data-race in tcp_add_backlog / tcp_recvmsg
Status: fixed on 2019/11/04 14:50
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 8265792bf887 net-backports: net: silence KCSAN warnings around sk_add_backlog() calls
First crash: 796d, last: 765d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KCSAN: data-race in tcp_add_backlog / tcp_recvmsg (2) 47 727d 763d 16/22 fixed on 2019/12/13 00:31

Sample crash report:

Crashes (17719):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-kcsan-gce 2019/11/03 21:29 https://github.com/google/ktsan.git kcsan 05f2236801fe b35fad31 .config log report
ci2-upstream-kcsan-gce 2019/11/03 09:26 https://github.com/google/ktsan.git kcsan 05f2236801fe c9610487 .config log report
ci2-upstream-kcsan-gce 2019/11/02 21:06 https://github.com/google/ktsan.git kcsan 05f2236801fe d603afc9 .config log report
ci2-upstream-kcsan-gce 2019/11/01 18:30 https://github.com/google/ktsan.git kcsan 05f2236801fe 997ccc67 .config log report
ci2-upstream-kcsan-gce 2019/10/30 20:44 https://github.com/google/ktsan.git kcsan 05f2236801fe a41ca8fa .config log report
ci2-upstream-kcsan-gce 2019/10/29 04:11 https://github.com/google/ktsan.git kcsan 05f2236801fe 5ea87a66 .config log report
ci2-upstream-kcsan-gce 2019/10/28 16:08 https://github.com/google/ktsan.git kcsan 05f2236801fe 439d7b14 .config log report
ci2-upstream-kcsan-gce 2019/10/25 23:41 https://github.com/google/ktsan.git kcsan 05f2236801fe 413926c5 .config log report
ci2-upstream-kcsan-gce 2019/10/25 11:36 https://github.com/google/ktsan.git kcsan 05f2236801fe 04ca72cd .config log report
ci2-upstream-kcsan-gce 2019/10/24 07:42 https://github.com/google/ktsan.git kcsan 05f2236801fe d01bb02a .config log report
ci2-upstream-kcsan-gce 2019/10/23 01:58 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/23 01:19 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/23 00:44 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/23 00:20 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 23:50 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 23:30 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 22:58 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 22:23 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 21:43 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 21:08 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 20:14 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 19:48 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 19:15 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 18:50 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 18:16 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 17:45 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 17:17 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 16:43 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 16:05 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 15:50 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 15:18 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 14:49 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 14:24 https://github.com/google/ktsan.git kcsan 05f2236801fe 4ee855e7 .config log report
ci2-upstream-kcsan-gce 2019/10/22 13:50 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 13:27 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 12:51 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 12:19 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 11:54 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 11:24 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 10:55 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 10:20 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 10:00 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 09:25 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 08:47 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 08:19 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/22 07:51 https://github.com/google/ktsan.git kcsan 05f2236801fe c59a7cd8 .config log report
ci2-upstream-kcsan-gce 2019/10/04 15:10 https://github.com/google/ktsan.git kcsan b4bd934316dc c86336cf .config log report