syzbot


WARNING: suspicious RCU usage in xfrm_get_sadinfo
Status: fixed on 2019/11/03 21:23
Reported-by: syzbot+2792672c6a63f1dc867c@syzkaller.appspotmail.com
Fix commit: f10e0010fae8 net: xfrm: Add '_rcu' tag for rcu protected pointer in netns_xfrm
First crash: 986d, last: 984d

Cause bisection: introduced by (bisect log) :
commit f10e0010fae8174dc20bdc872bcaa85baa925cb7
Author: Su Yanjun <suyj.fnst@cn.fujitsu.com>
Date: Thu Mar 7 01:54:08 2019 +0000

  net: xfrm: Add '_rcu' tag for rcu protected pointer in netns_xfrm

Crash: WARNING: suspicious RCU usage in xfrm_get_sadinfo (log)
Repro: C syz .config

Fix bisection: failed (bisect log)

Sample crash report:

Crashes (28):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2019/03/18 16:11 linux-next b99981945914 4656beca .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/03/20 18:38 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 18:36 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 15:11 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 14:57 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 13:41 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 13:32 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 12:03 linux-next 835727301ed3 142c38ee .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 11:44 linux-next 835727301ed3 142c38ee .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 09:13 linux-next 835727301ed3 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 00:46 linux-next 75e6a83b189c 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 00:31 linux-next 75e6a83b189c 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 21:45 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 20:39 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 18:00 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 14:57 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 12:38 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 12:09 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:33 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:19 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 00:42 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 00:16 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/18 19:33 linux-next b99981945914 4656beca .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/18 19:03 linux-next b99981945914 4656beca .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/18 14:47 linux-next b99981945914 4656beca .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/18 14:38 linux-next b99981945914 4656beca .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/18 14:32 linux-next b99981945914 4656beca .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/18 14:22 linux-next b99981945914 4656beca .config log report