From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9AFE0C7EE25 for ; Fri, 9 Jun 2023 03:17:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237997AbjFIDRy (ORCPT ); Thu, 8 Jun 2023 23:17:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237891AbjFIDR3 (ORCPT ); Thu, 8 Jun 2023 23:17:29 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5864A30FE for ; Thu, 8 Jun 2023 20:17:25 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-33db528e4faso10573835ab.0 for ; Thu, 08 Jun 2023 20:17:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686280644; x=1688872644; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=/gQPNTD4llJBmvmnSf20wHOIxgRYmCJ5tVCUw9Zbzww=; b=XqpH6n8yrd4nrWSuS0P7j7zsyqibbulg64RNK0bklM2QrxEvxsjS3JCvNwyrh+z9RN 5cygSPIHW6mNaEnqNxTbm0qj7jCTPf0GbtHEuH2hiyI7briIlJTGZs7oKaOJmT/GySdW VkjhkiRPNXQ7TeCp4Y+w36wiEb9D4b0C8W1t5w8FYSdQxM1aoztj8nlxRlkYcBdTZy8Y fuTh4hNHqca9U3BEN3/mx13FfmBri4Yh02C0drTnqOEyw2Wh93UzZ5KdC1qNJfFaYsD3 p857BRxLRWIbOrpW4vcomEjXTa1M5ef6pxmk5guFTpT8lrevh3ByDUVha3lCEGdQG2Oa diOw== X-Gm-Message-State: AC+VfDxGYNrWTGbl0UIuZl0WAqmaXFGutPwMxlLyS87XPiIvgdbdPYkB /jGd+LAKZ9XVFir3Hb7C9O4YwsNvM7lSekH+jCJw2QdMTABi X-Google-Smtp-Source: ACHHUZ7h4fdwyQcom4nMSRbkpxA94XosftuaxZBxJrfb0ViClrnrepF5QHquGgetNwTGmEwN5m+Rwl7lqBisbBEhAcOYB20u72C8 MIME-Version: 1.0 X-Received: by 2002:a92:cac5:0:b0:33d:5314:d74e with SMTP id m5-20020a92cac5000000b0033d5314d74emr304446ilq.4.1686280644677; Thu, 08 Jun 2023 20:17:24 -0700 (PDT) Date: Thu, 08 Jun 2023 20:17:24 -0700 In-Reply-To: <000000000000bd448705fda123f5@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d1565005fda9cef1@google.com> Subject: Re: [syzbot] [cgroups?] possible deadlock in static_key_slow_inc (3) From: syzbot 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 Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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@syzkaller.appspotmail.com Fixes: eb1d969203eb ("media: vivid: fix control handler mutex deadlock") For information about bisection process see: https://goo.gl/tpsmEJ#bisection