syzbot


WARNING: suspicious RCU usage in xfrm_get_policy
Status: upstream: reported syz repro on 2019/03/19 16:02
Reported-by: syzbot+670c11fba80a72c50a6a@syzkaller.appspotmail.com
First crash: 100d, last: 99d

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

Tree: linux-next
Crash: WARNING: suspicious RCU usage in xfrm_get_policy (log)
Repro: syz .config

Sample crash report:

All crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2019/03/19 08:36 linux-next 75e6a83b 46264c32 .config log report syz davem@davemloft.net, herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-linux-next-kasan-gce-root 2019/03/18 14:27 linux-next b9998194 4656beca .config log report davem@davemloft.net, herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-linux-next-kasan-gce-root 2019/03/20 01:07 linux-next 75e6a83b 2458c1c6 .config log report davem@davemloft.net, herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-linux-next-kasan-gce-root 2019/03/20 00:09 linux-next 75e6a83b 2458c1c6 .config log report davem@davemloft.net, herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-linux-next-kasan-gce-root 2019/03/19 12:21 linux-next 75e6a83b e4549234 .config log report davem@davemloft.net, herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-linux-next-kasan-gce-root 2019/03/19 06:23 linux-next 75e6a83b 46264c32 .config log report davem@davemloft.net, herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-linux-next-kasan-gce-root 2019/03/19 00:59 linux-next b9998194 46264c32 .config log report davem@davemloft.net, herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com
ci-upstream-linux-next-kasan-gce-root 2019/03/19 00:06 linux-next b9998194 46264c32 .config log report davem@davemloft.net, herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, steffen.klassert@secunet.com