syzbot


KASAN: use-after-free Read in dump_schedule
Status: upstream: reported C repro on 2020/09/03 16:37
Reported-by: syzbot+621fd33c0b53d15ee8de@syzkaller.appspotmail.com
First crash: 138d, last: 27d

Cause bisection: introduced by (bisect log) :
commit 7b9eba7ba0c1b24df42b70b62d154b284befbccf
Author: Leandro Dorileo <leandro.maciel.dorileo@intel.com>
Date: Mon Apr 8 17:12:17 2019 +0000

  net/sched: taprio: fix picos_per_byte miscalculation

Crash: WARNING in taprio_dequeue (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/10/30 21:06 18m anmol.karan123@gmail.com patch upstream report log
2020/09/06 03:40 17m anant.thazhemadam@gmail.com https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci-upstream-kasan-gce-root 2020/11/08 18:32 upstream 4429f14a abf9ba4f .config log report syz C
ci-upstream-kasan-gce-root 2020/10/09 16:03 upstream 583090b1 abf9ba4f .config log report syz C
Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2020/09/05 01:35 upstream 59126901 abf9ba4f .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 2020/09/03 12:12 upstream fc3abb53 abf9ba4f .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 2020/09/08 03:25 linux-next 7a695657 abf9ba4f .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 2020/11/29 17:27 net-next e71d2b95 a0092f9d .config log report info 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 2020/11/18 19:18 net-next 6997faa9 09323409 .config log report info 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 2020/11/15 17:14 net-next 0064c5c1 1bf9a662 .config log report info 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 2020/12/23 10:49 linux-next d7a03a44 04201c06 .config log report info 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