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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 EDCC8C433E1 for ; Sun, 24 May 2020 18:12:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D00E52076C for ; Sun, 24 May 2020 18:12:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387942AbgEXSMF (ORCPT ); Sun, 24 May 2020 14:12:05 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:44613 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387914AbgEXSME (ORCPT ); Sun, 24 May 2020 14:12:04 -0400 Received: by mail-il1-f198.google.com with SMTP id b8so13476867ilr.11 for ; Sun, 24 May 2020 11:12:03 -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=1e+UJBuT1k8k9TU3OPyghBUaf947khu0vC7FuIpxkqI=; b=PDP3VrRhlxRxs5JMmY8hKJ3BZJuXHPDz06DTEUO+zlfyh0MdQqOJYjnJZfqs40t/Kg 8gyar47U1CRPlQTsbDw02C8QtWQ1ARzUlvzRJZ9hs+dQw7GOwKl/J73b2aVsC5ltoRmv eDKc3o28eyxr5HcSZRd6r6N0uBABrdpm5MPHyi5Du8hSSiqxdPMg04UwyXeE9zFEc/Rh YC+eImogNp3LmeNfTCJBzVAf75/Gcq6JdAOaDgy5w2FD8ehah/xn6sfB+JR7+JOtKReW NglchPVquqg+iIJao5QyYwLbA2cSqU1/sTgp7z9HiLVCNa/Hfnw0vl6YGlPwNBUsEBF0 /+Fw== X-Gm-Message-State: AOAM5306PuMvVOuWZeFJZcdgJr4pGpKo1+aqCvm4NPll46yIymDb6Qe7 kJcvvnNhu3iHCrdau1VNGc/7lArp40Y3k2VTwpSVPHd3SOgb X-Google-Smtp-Source: ABdhPJwF9Bdk/vQYBRg4tVeymnZIBXmTz+Y935KEeBRmKqKCTHUUVdJXl+4iYgIDntbTkoRmisRFgeHNNKsHIPthaCS4+QtcZmr3 MIME-Version: 1.0 X-Received: by 2002:a05:6638:5a2:: with SMTP id b2mr16907058jar.59.1590343923507; Sun, 24 May 2020 11:12:03 -0700 (PDT) Date: Sun, 24 May 2020 11:12:03 -0700 In-Reply-To: <00000000000054221d05a64b7ed8@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a1a76d05a668ccbb@google.com> Subject: Re: general protection fault in selinux_socket_recvmsg From: syzbot To: andriin@fb.com, anton@enomsg.org, ast@kernel.org, bpf@vger.kernel.org, ccross@android.com, daniel@iogearbox.net, davem@davemloft.net, dvyukov@google.com, edumazet@google.com, eparis@parisplace.org, john.fastabend@gmail.com, kafai@fb.com, keescook@chromium.org, kpsingh@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, mathew.j.martineau@linux.intel.com, matthieu.baerts@tessares.net, mptcp@lists.01.org, netdev@vger.kernel.org, omosnace@redhat.com, pabeni@redhat.com, paul@paul-moore.com, penguin-kernel@I-love.SAKURA.ne.jp, selinux@vger.kernel.org, songliubraving@fb.com, stephen.smalley.work@gmail.com, syzkaller-bugs@googlegroups.com, tony.luck@intel.com, yhs@fb.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit 263e1201a2c324b60b15ecda5de9ebf1e7293e31 Author: Paolo Abeni Date: Thu Apr 30 13:01:51 2020 +0000 mptcp: consolidate synack processing. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12a5254a100000 start commit: 051143e1 Merge tag 'apparmor-pr-2020-05-21' of git://git.k.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=11a5254a100000 console output: https://syzkaller.appspot.com/x/log.txt?x=16a5254a100000 kernel config: https://syzkaller.appspot.com/x/.config?x=b3368ce0cc5f5ace dashboard link: https://syzkaller.appspot.com/bug?extid=c6bfc3db991edc918432 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13eeacba100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=167163e6100000 Reported-by: syzbot+c6bfc3db991edc918432@syzkaller.appspotmail.com Fixes: 263e1201a2c3 ("mptcp: consolidate synack processing.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection