syzbot


WARNING: suspicious RCU usage in xfrm_alloc_userspi
Status: fixed on 2019/11/03 21:23
Reported-by: syzbot+59752237f7ab21c3f3c3@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_alloc_userspi (log)
Repro: C syz .config

Fix bisection: failed (bisect log)

Sample crash report:

Crashes (86):
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 16:42 linux-next b99981945914 4656beca .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/03/21 02:37 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 20:58 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 16:39 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 15:06 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 13:54 linux-next 835727301ed3 a664c187 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 12:47 linux-next 835727301ed3 142c38ee .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 11:40 linux-next 835727301ed3 142c38ee .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 08:58 linux-next 835727301ed3 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 08:20 linux-next 835727301ed3 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 05:53 linux-next 835727301ed3 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 04:18 linux-next 835727301ed3 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 03:16 linux-next 75e6a83b189c 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 00:28 linux-next 75e6a83b189c 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 22:50 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 20:57 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 19:52 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 16:35 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 12:47 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 11:17 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 08:59 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 07:09 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:57 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:52 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:52 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:52 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:51 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:51 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:41 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:32 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:01 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 05:58 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 04:14 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 04:13 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 01:03 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 01:01 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 01:00 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 00:38 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 00:31 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 00:28 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 00:19 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/18 23:33 linux-next b99981945914 4656beca .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/18 23:11 linux-next b99981945914 4656beca .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/18 14:57 linux-next b99981945914 4656beca .config log report