syzbot


WARNING: suspicious RCU usage in xfrm_get_policy
Status: fixed on 2019/11/03 21:23
Reported-by: syzbot+670c11fba80a72c50a6a@syzkaller.appspotmail.com
Fix commit: f10e0010fae8 net: xfrm: Add '_rcu' tag for rcu protected pointer in netns_xfrm
First crash: 991d, last: 990d

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_policy (log)
Repro: syz .config

Fix bisection: failed (bisect log)

Sample crash report:

Crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2019/03/19 08:36 linux-next 75e6a83b189c 46264c32 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/03/20 01:07 linux-next 75e6a83b189c 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/20 00:09 linux-next 75e6a83b189c 2458c1c6 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 12:21 linux-next 75e6a83b189c e4549234 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:23 linux-next 75e6a83b189c 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 00:59 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/19 00:06 linux-next b99981945914 46264c32 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/18 14:27 linux-next b99981945914 4656beca .config log report