public inbox for cgroups@vger.kernel.org
 help / color / mirror / Atom feed
From: syzbot <syzbot+2ab700fe1829880a2ec6-Pl5Pbv+GP7P466ipTTIvnc23WoclnBCfAL8bYrjMMd8@public.gmane.org>
To: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org,
	hverkuil-cisco-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org,
	hverkuil-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	lizefan.x-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org,
	mchehab-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	syzkaller-bugs-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
	tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Subject: Re: [syzbot] [cgroups?] possible deadlock in static_key_slow_inc (3)
Date: Thu, 08 Jun 2023 20:17:24 -0700	[thread overview]
Message-ID: <000000000000d1565005fda9cef1@google.com> (raw)
In-Reply-To: <000000000000bd448705fda123f5-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>

syzbot has bisected this issue to:

commit eb1d969203eb8212741751f88dcf5cb56bb11830
Author: Hans Verkuil <hverkuil-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org>
Date:   Fri Oct 21 12:21:25 2022 +0000

    media: vivid: fix control handler mutex deadlock

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=16af9d95280000
start commit:   5f63595ebd82 Merge tag 'input-for-v6.4-rc5' of git://git.k..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=15af9d95280000
console output: https://syzkaller.appspot.com/x/log.txt?x=11af9d95280000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3c980bfe8b399968
dashboard link: https://syzkaller.appspot.com/bug?extid=2ab700fe1829880a2ec6
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=142e0463280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10a32add280000

Reported-by: syzbot+2ab700fe1829880a2ec6-Pl5Pbv+GP7P466ipTTIvnc23WoclnBCfAL8bYrjMMd8@public.gmane.org
Fixes: eb1d969203eb ("media: vivid: fix control handler mutex deadlock")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

  parent reply	other threads:[~2023-06-09  3:17 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-08 16:56 [syzbot] [cgroups?] possible deadlock in static_key_slow_inc (3) syzbot
     [not found] ` <000000000000bd448705fda123f5-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2023-06-09  3:17   ` syzbot [this message]
     [not found]     ` <000000000000d1565005fda9cef1-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2023-06-11 13:48       ` [PATCH] cgroup,freezer: hold cpu_hotplug_lock before freezer_mutex in freezer_css_{online,offline}() Tetsuo Handa
     [not found]         ` <69ab449f-1981-2d53-79fb-b2ac91ea9cef-JPay3/Yim36HaxMnTkn67Xf5DAMn2ifp@public.gmane.org>
2023-06-12 16:43           ` Tejun Heo

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=000000000000d1565005fda9cef1@google.com \
    --to=syzbot+2ab700fe1829880a2ec6-pl5pbv+gp7p466ipttivnc23woclnbcfal8byrjmmd8@public.gmane.org \
    --cc=cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org \
    --cc=hverkuil-cisco-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org \
    --cc=hverkuil-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=lizefan.x-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org \
    --cc=mchehab-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    --cc=syzkaller-bugs-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org \
    --cc=tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox