From mboxrd@z Thu Jan 1 00:00:00 1970 From: syzbot Subject: Re: [syzbot] [cgroups?] possible deadlock in static_key_slow_inc (3) Date: Thu, 08 Jun 2023 20:17:24 -0700 Message-ID: <000000000000d1565005fda9cef1@google.com> References: <000000000000bd448705fda123f5@google.com> Mime-Version: 1.0 Return-path: In-Reply-To: <000000000000bd448705fda123f5-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 syzbot has bisected this issue to: commit eb1d969203eb8212741751f88dcf5cb56bb11830 Author: Hans Verkuil 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