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 X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80773C43461 for ; Sat, 12 Sep 2020 12:59:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 416FE2078B for ; Sat, 12 Sep 2020 12:59:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725893AbgILM7V (ORCPT ); Sat, 12 Sep 2020 08:59:21 -0400 Received: from mail-il1-f208.google.com ([209.85.166.208]:51520 "EHLO mail-il1-f208.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725880AbgILM7I (ORCPT ); Sat, 12 Sep 2020 08:59:08 -0400 Received: by mail-il1-f208.google.com with SMTP id i80so9140619ild.18 for ; Sat, 12 Sep 2020 05:59:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=WYtWFHRSU717tB4AOlbQFrWP5bISa+QXam+Bz0rRjMY=; b=PtLI4nkvzgm4fYB7Bnh93eGvTi1Q5wOotPUUEVLlb3OxCExoOLL+IHGsvxA7rXChoh Jhk5+Cb6dKEnXIXNyKjJCOHzFblStzALfQZzUy6xBDFYCEyynGxDDXwyJbLYn7u8hFtS nYzM3e282FhAp9Z/cUaH30P/87Kcz39HeSTCcOvN1r4NFrfHYC5nUi2FCUucpsLCGP7+ Incvrysorr3FGBUv3CUCnB3JFrezkTOiJYzlWCO5S23SEVhFZCFuCw0UiYY7V5YcERVs g31miZaHfxeXJnpV/GoVQY6fJF4gjvjBwAwyyiLeyCWxS3s8n7Z7WBniHyoh2jWIuMdp 0DpA== X-Gm-Message-State: AOAM531hxuaEbFBrofqpfxGhylc61FI7PGS6zAJ4WZ716v4ck+egjbNc Jsfasv//qCRRN6QEOHfd8Iq50e5b/OwIZ0yUph1FQaqOfOY6 X-Google-Smtp-Source: ABdhPJwLcoK9/BOVvUqW1qoKASa59qg2Z8rU3mVu/ovDZnFvptvji8E0w4KbtYZRK0MK1BCQIgrBtsl0DqKZRNCFZ2x3MA/XMcfx MIME-Version: 1.0 X-Received: by 2002:a5d:995a:: with SMTP id v26mr5175295ios.176.1599915547769; Sat, 12 Sep 2020 05:59:07 -0700 (PDT) Date: Sat, 12 Sep 2020 05:59:07 -0700 In-Reply-To: <0000000000004991e705ac9d1a83@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e5419905af1d5d2b@google.com> Subject: Re: inconsistent lock state in sco_conn_del From: syzbot To: cgroups@vger.kernel.org, davem@davemloft.net, hannes@cmpxchg.org, johan.hedberg@gmail.com, keescook@chromium.org, kennyyu@fb.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, lizefan@huawei.com, luto@amacapital.net, marcel@holtmann.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tj@kernel.org, wad@chromium.org Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this issue to: commit 135b8b37bd91cc82f83e98fca109b80375f5317e Author: Kenny Yu Date: Tue Jun 21 18:04:36 2016 +0000 cgroup: Add pids controller event when fork fails because of pid limit bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12f6d80d900000 start commit: e8878ab8 Merge tag 'spi-fix-v5.9-rc4' of git://git.kernel... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11f6d80d900000 console output: https://syzkaller.appspot.com/x/log.txt?x=16f6d80d900000 kernel config: https://syzkaller.appspot.com/x/.config?x=c61610091f4ca8c4 dashboard link: https://syzkaller.appspot.com/bug?extid=65684128cd7c35bc66a1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=121ef0fd900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16c3a853900000 Reported-by: syzbot+65684128cd7c35bc66a1@syzkaller.appspotmail.com Fixes: 135b8b37bd91 ("cgroup: Add pids controller event when fork fails because of pid limit") For information about bisection process see: https://goo.gl/tpsmEJ#bisection