syzbot


WARNING in cbq_destroy
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+63bdb6006961d8c917c6@syzkaller.appspotmail.com
Fix commit: 2e24cd75 net_sched: fix ops->bind_class() implementations
First crash: 244d, last: 244d

Cause bisection: introduced by (bisect log):

commit d51aae68b142f48232257e96ce317db25445418d
Author: Jiri Pirko <jiri@mellanox.com>
Date: Mon Nov 27 17:37:21 2017 +0000

  net: sched: cbq: create block for q->link.block

Crash: WARNING in cbq_destroy_class (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/01/24 01:04 17m xiyou.wangcong@gmail.com https://github.com/congwang/linux.git syzbot OK
2020/01/23 04:13 18m xiyou.wangcong@gmail.com https://github.com/congwang/linux.git syzbot OK

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-smack-root 2020/01/22 06:07 upstream d96d875e 8eda0b95 .config log report syz C davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com