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,URIBL_BLOCKED autolearn=ham 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 4B251C3A5A6 for ; Thu, 19 Sep 2019 10:53:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 27B0A21924 for ; Thu, 19 Sep 2019 10:53:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389658AbfISKxQ (ORCPT ); Thu, 19 Sep 2019 06:53:16 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:56948 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389585AbfISKxC (ORCPT ); Thu, 19 Sep 2019 06:53:02 -0400 Received: by mail-io1-f72.google.com with SMTP id a22so664074ioq.23 for ; Thu, 19 Sep 2019 03:53:01 -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=jr/hT8uygPGiBuTwaFY7igDD72bmfCnEZQ3lM50QObE=; b=NLgGRQQp0pgbNhGgbF5w47fU/SOOeeATPEwRw76y/a0QIB/1xzgOKA7wVhDjjNVwMw odOCxSCdX5+hG4j/fTDsONd7RTVQlpfhupQryHdS04lp0hjhs0QcdPsAA8sCia3GyJzx VZoAOvqwmFgGole42OQ0Zp/PmK2X+VcQd2JQuHmUgLd8cTIwt3MV0xL1XUdP5tQ2it3e K+caMlYJL1eqH/7A/qZDJblzS2w0l2ccwqhQ81Oqd6YC68tpt/U+rkgrEXyq4B8iwS9p xNWD4u/VBDkd9EzeVq5vapu/oeYMrZhA/0S+YmdZJSzd0yHMKc4y8BsyosqaxVazyJPR E+AA== X-Gm-Message-State: APjAAAV/BCckbIkE6VuDm+a5Ow5Hm0pAktjZjb7Ig8YVxvpel1pPs9Wq hfObSgzxtwBB2jIXxfPs2GTA0D11EVkylibynBVsv8HDXCsA X-Google-Smtp-Source: APXvYqwBWekg4rlOfT8nn0tmPSwzloIFaVhEADkdzXirXXPPYKk38+p+DJLKH5A4eUO0l/GsUaCDAVmO12kKaHk5yiREht3CTXR5 MIME-Version: 1.0 X-Received: by 2002:a6b:e618:: with SMTP id g24mr10724603ioh.277.1568890380520; Thu, 19 Sep 2019 03:53:00 -0700 (PDT) Date: Thu, 19 Sep 2019 03:53:00 -0700 In-Reply-To: <20190919103504.GC30545@localhost> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d290e00592e5c17d@google.com> Subject: Re: KASAN: use-after-free Read in adu_disconnect From: syzbot To: andreyknvl@google.com, dmg@turingmachine.org, gregkh@linuxfoundation.org, johan@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+0243cb250a51eeefb8cc@syzkaller.appspotmail.com Tested on: commit: f0df5c1b usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git kernel config: https://syzkaller.appspot.com/x/.config?x=5c6633fa4ed00be5 dashboard link: https://syzkaller.appspot.com/bug?extid=0243cb250a51eeefb8cc compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=1440268d600000 Note: testing is done by a robot and is best-effort only.