From: Vlad Buslov <vlad@buslov.dev>
To: syzbot <syzbot+80e32b5d1f9923f8ace6@syzkaller.appspotmail.com>
Cc: davem@davemloft.net, eric.dumazet@gmail.com, jhs@mojatatu.com,
jiri@mellanox.com, jiri@resnulli.us, kuba@kernel.org,
linux-kernel@vger.kernel.org, marcelo.leitner@gmail.com,
netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com,
vladbu@mellanox.com, xiyou.wangcong@gmail.com
Subject: Re: INFO: task hung in tcf_ife_init
Date: Thu, 03 Sep 2020 20:08:23 +0300 [thread overview]
Message-ID: <878sdqg54o.fsf@buslov.dev> (raw)
In-Reply-To: <000000000000fcd01005ae6a77e7@google.com>
On Thu 03 Sep 2020 at 18:33, syzbot <syzbot+80e32b5d1f9923f8ace6@syzkaller.appspotmail.com> wrote:
> syzbot has bisected this issue to:
>
> commit 4e8ddd7f1758ca4ddd0c1f7cf3e66fce736241d2
> Author: Vlad Buslov <vladbu@mellanox.com>
> Date: Thu Jul 5 14:24:30 2018 +0000
>
> net: sched: don't release reference on action overwrite
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14ae08e9900000
> start commit: 1996cf46 net: bcmgenet: fix mask check in bcmgenet_validat..
> git tree: net
> final oops: https://syzkaller.appspot.com/x/report.txt?x=16ae08e9900000
> console output: https://syzkaller.appspot.com/x/log.txt?x=12ae08e9900000
> kernel config: https://syzkaller.appspot.com/x/.config?x=a0437fdd630bee11
> dashboard link: https://syzkaller.appspot.com/bug?extid=80e32b5d1f9923f8ace6
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=161678e1900000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14f826d1900000
>
> Reported-by: syzbot+80e32b5d1f9923f8ace6@syzkaller.appspotmail.com
> Fixes: 4e8ddd7f1758 ("net: sched: don't release reference on action overwrite")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
The trace in bisection result doesn't seem to be related to the original
report and is fixed by 32039eac4c48 ("net: sched: act_ife: always
release ife action on init error").
prev parent reply other threads:[~2020-09-03 17:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-03 8:48 INFO: task hung in tcf_ife_init syzbot
2020-09-03 9:47 ` Eric Dumazet
2020-09-03 18:11 ` Cong Wang
2020-09-03 15:33 ` syzbot
2020-09-03 17:08 ` Vlad Buslov [this message]
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