syzbot


KASAN: null-ptr-deref Read in tcf_generic_walker
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 760d228e net_sched: walk through all child classes in tc_bind_tclass()
First crash: 25d, last: 7d08h

Cause bisection: introduced by (bisect log):

commit 16bbeb2b43c3f5d69e1348477e75a24ae6d55d5a
Author: Gustavo A. R. Silva <gustavo@embeddedor.com>
Date: Fri Aug 3 16:29:53 2018 +0000

  ASoC: fsl_esai: Mark expected switch fall-through

Crash: general protection fault in batadv_iv_ogm_queue_add (log)
Repro: C syz .config

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2020/01/30 03:35 upstream b3a60822 5ed23f9a .config log report syz C davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-root 2020/01/29 07:42 upstream c677124e c8e81ce4 .config log report syz C davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci-upstream-kasan-gce-smack-root 2020/01/27 08:39 upstream a45ea48e dd56146d .config log report syz C davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci-upstream-net-this-kasan-gce 2020/01/27 08:18 net 2821e26f dd56146d .config log report syz C davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci-upstream-net-kasan-gce 2020/01/27 08:29 net-next 14a1d246 dd56146d .config log report syz C davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci-upstream-linux-next-kasan-gce-root 2020/02/14 17:23 linux-next 9f01828e 5d7b90f1 .config log report syz C davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com