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=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 9F4B3C10F11 for ; Wed, 10 Apr 2019 11:33:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7AC8320854 for ; Wed, 10 Apr 2019 11:33:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731515AbfDJLdB (ORCPT ); Wed, 10 Apr 2019 07:33:01 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:36902 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729650AbfDJLdB (ORCPT ); Wed, 10 Apr 2019 07:33:01 -0400 Received: by mail-io1-f69.google.com with SMTP id u22so1498610iof.4 for ; Wed, 10 Apr 2019 04:33:00 -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=1dmip3wsT91A1U/O8Mm/N+XuFmXuTDdZ3uCFA46Bg/s=; b=IRAmy6H/dyH1Q8Jqosk9qj/gdFgPP7WmEFhOW3EZtWmHBbLFTvP8Ml0o+fKtypPmU4 /z0lfyz/9Qvn4kKb/S453TeUVkLjAAaBuu16PW84hFQtreFKkmco3+bguIG0Eg+K88Ye 92yEYosstxceMYJPQae1TFPIlFXcMPX+IOvnwKuHSTmvVrBSzAXZWMMrkGL848Q9w81m Q8zKIpTkMYN1iGzX9Vgd8OnRQlmxmcSYl79iPF/aKCIbzQFLEg4xhJgV+rDLfASo3B5Z jOo4nCCer42uXWTPLFLHtKEq7F50dCnKKen0Oi4cecjU9/XnwN44/5C5WcEomXUX6Ypm oP+g== X-Gm-Message-State: APjAAAXyJW7meLo7WIK4+9Rfk21wbUYNCOaIeLN4wGefPkJ5DxB4SbFD kbg/TxcVbegnrS6YLmQr6Y89snAYORwmidnIDFs3trVYhYLG X-Google-Smtp-Source: APXvYqw9LUEwbyfu7yoP3X8wIi8roEXNwSHaeuCz8Sge1qmjOx4+ys8JFawfyD0G0PMYjGXQQ1CPr11cuTkwLC69QGPm9NcOw1Pq MIME-Version: 1.0 X-Received: by 2002:a02:ba89:: with SMTP id g9mr7030012jao.14.1554895980463; Wed, 10 Apr 2019 04:33:00 -0700 (PDT) Date: Wed, 10 Apr 2019 04:33:00 -0700 In-Reply-To: <000000000000b98a67057ad7158a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000940af705862b6e90@google.com> Subject: Re: KASAN: use-after-free Read in __lock_sock From: syzbot To: davem@davemloft.net, dvyukov@google.com, glider@google.com, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, lucien.xin@gmail.com, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, syzkaller-bugs@googlegroups.com, vyasevich@gmail.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit 8f840e47f190cbe61a96945c13e9551048d42cef Author: Xin Long Date: Thu Apr 14 07:35:33 2016 +0000 sctp: add the sctp_diag.c file bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1719585b200000 start commit: 0072a0c1 Merge tag 'media/v4.20-4' of git://git.kernel.org.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1499585b200000 console output: https://syzkaller.appspot.com/x/log.txt?x=1099585b200000 kernel config: https://syzkaller.appspot.com/x/.config?x=b9cc5a440391cbfd dashboard link: https://syzkaller.appspot.com/bug?extid=9276d76e83e3bcde6c99 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12b80cfb400000 Reported-by: syzbot+9276d76e83e3bcde6c99@syzkaller.appspotmail.com Fixes: 8f840e47f190 ("sctp: add the sctp_diag.c file") For information about bisection process see: https://goo.gl/tpsmEJ#bisection