All of lore.kernel.org
 help / color / mirror / Atom feed
From: Dmitry Vyukov <dvyukov@google.com>
To: syzbot <syzbot+06283a66a648cd073885@syzkaller.appspotmail.com>,
	linux-can@vger.kernel.org
Cc: andy@greyhouse.net, David Miller <davem@davemloft.net>,
	Hans Verkuil <hverkuil@xs4all.nl>,
	j.vosburgh@gmail.com, LKML <linux-kernel@vger.kernel.org>,
	linux-media@vger.kernel.org, Mahesh Bandewar <maheshb@google.com>,
	mchehab@kernel.org, netdev <netdev@vger.kernel.org>,
	syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
	vfalico@gmail.com
Subject: Re: INFO: task hung in vivid_stop_generating_vid_cap
Date: Fri, 22 Mar 2019 09:06:41 +0100	[thread overview]
Message-ID: <CACT4Y+aVXJuaBsvwM-7UcpDzvPZG8HaFHPnHQMX1ZzE1Emd-Tg@mail.gmail.com> (raw)
In-Reply-To: <CACT4Y+YVNA6aYe-Ai-ZnU+EhNSNAFhjvXPT0oA+i4rCFpQThcg@mail.gmail.com>

On Fri, Mar 22, 2019 at 9:00 AM Dmitry Vyukov <dvyukov@google.com> wrote:
>
> On Fri, Mar 22, 2019 at 8:08 AM syzbot
> <syzbot+06283a66a648cd073885@syzkaller.appspotmail.com> wrote:
> >
> > syzbot has bisected this bug to:
> >
> > commit 4493b81bea24269df898339dee638d7c5cb2b2df
> > Author: Mahesh Bandewar <maheshb@google.com>
> > Date:   Wed Mar 8 18:55:54 2017 +0000
> >
> >      bonding: initialize work-queues during creation of bond
>
> +linux-can
>
> I think I will disable CONFIG_CAN before v4.12. It causes too many
> false results for v4.12..v4.11 range. It always leads to a wrong
> decision for first 3 steps, then no chances of correct bisection
> anymore.

The same seems to show up for v4.12..v4.13:
all runs: crashed: INFO: trying to register non-static key in can_notifier
https://syzkaller.appspot.com/text?tag=Log&x=1555b12b200000

This was fixed by 74b7b490886852582d986a33443c2ffa50970169 right?



> > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=176d1617200000
> > start commit:   4493b81b bonding: initialize work-queues during creation o..
> > git tree:       upstream
> > final crash:    https://syzkaller.appspot.com/x/report.txt?x=14ed1617200000
> > console output: https://syzkaller.appspot.com/x/log.txt?x=10ed1617200000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=62118286bb772a24
> > dashboard link: https://syzkaller.appspot.com/bug?extid=06283a66a648cd073885
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15701a33400000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=154c8e4d400000
> >
> > Reported-by: syzbot+06283a66a648cd073885@syzkaller.appspotmail.com
> > Fixes: 4493b81bea24 ("bonding: initialize work-queues during creation of
> > bond")
> >
> > For information about bisection process see: https://goo.gl/tpsmEJ#bisection

  reply	other threads:[~2019-03-22  8:06 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-29  9:40 INFO: task hung in vivid_stop_generating_vid_cap syzbot
2018-10-29 16:22 ` syzbot
2019-03-22  7:08 ` syzbot
2019-03-22  8:00   ` Dmitry Vyukov
2019-03-22  8:06     ` Dmitry Vyukov [this message]
2019-11-07 18:51       ` Marc Kleine-Budde
2019-03-22 22:45 ` syzbot
2019-11-07 13:42 ` syzbot
2019-11-11 14:00   ` Hans Verkuil

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CACT4Y+aVXJuaBsvwM-7UcpDzvPZG8HaFHPnHQMX1ZzE1Emd-Tg@mail.gmail.com \
    --to=dvyukov@google.com \
    --cc=andy@greyhouse.net \
    --cc=davem@davemloft.net \
    --cc=hverkuil@xs4all.nl \
    --cc=j.vosburgh@gmail.com \
    --cc=linux-can@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=maheshb@google.com \
    --cc=mchehab@kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=syzbot+06283a66a648cd073885@syzkaller.appspotmail.com \
    --cc=syzkaller-bugs@googlegroups.com \
    --cc=vfalico@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.