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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

WARNING: multiple messages have this Message-ID (diff)
From: syzbot <syzbot+2ab700fe1829880a2ec6@syzkaller.appspotmail.com>
To: cgroups@vger.kernel.org, hannes@cmpxchg.org,
	hverkuil-cisco@xs4all.nl, hverkuil@xs4all.nl,
	linux-kernel@vger.kernel.org, lizefan.x@bytedance.com,
	mchehab@kernel.org, syzkaller-bugs@googlegroups.com,
	tj@kernel.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@google.com>

syzbot has bisected this issue to:

commit eb1d969203eb8212741751f88dcf5cb56bb11830
Author: Hans Verkuil <hverkuil@xs4all.nl>
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@syzkaller.appspotmail.com
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: 6+ 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
2023-06-08 16:56 ` syzbot
     [not found] ` <000000000000bd448705fda123f5-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2023-06-09  3:17   ` syzbot [this message]
2023-06-09  3:17     ` syzbot
     [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

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