Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp1024430ybe; Thu, 19 Sep 2019 07:32:48 -0700 (PDT) X-Google-Smtp-Source: APXvYqxVvp3l0kby4MVgPl/UEx71FExibgCx6hZyBr9mhAfGxGgEJHeDDy4oelS8ZMbOtHMeN9ic X-Received: by 2002:a50:cc4d:: with SMTP id n13mr16460437edi.5.1568903568035; Thu, 19 Sep 2019 07:32:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568903568; cv=none; d=google.com; s=arc-20160816; b=KWL2uTTi7mp3xvtwrvFIENphLF7PhLfCBeAyixB3ZVvBDnD8lT+pJHoOz0KO5lnP96 dp3pfmQOfekgnTimjhCgirk3NPT11uw8v0ufiduK3I4QasAGwyXrjz/+AQiDpft2MJxL 5Dtm7yZU9GI3ulsCZoXb0fTpiYzOM3CiwYKZPtuLrv7C2Sv1km/u1JUWo4UTOn2EpYLW bWki7ss8eotj1PgGU4j1N9U8iCGiD8iN7U0x8xrq8wQLneqiUzoVPmY2YG1Nb4+AQqdT sF/MofXCwMcwCqxpprdivCmwha/pdjSDEhkUhhe7HPbC1z4gGplKRVAmvXEP74f6NdHu qn+Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:in-reply-to :date:mime-version; bh=xRvATBd4vJz/ca0H8KHxwpk25gX5YP7T2VKX90zZjjY=; b=WjtrJ7R0voYrYaslESoSfp3q+gPQFAmTwglebRBeQzBc0tqP9awIwRxKuOqRkuBTvT aUgcaRlhtSn6NoGiIlutR9iCeehKjona+32xllh33+TcGtP9LRxS+MI1WNZOM972Uqo0 mvGlv2CuLUGGnz8AiHmnplk+ltYrBdhABsKT3UWYt0fWcUFClI+GhlBP7rANqe9VOGZT ykTd2ywsY0x6FCuOwzvzttolezjJlaKznMiBVhs+lflc4mvWBhLCWyVZDpgKHlMixnyz XXsWafRUw8wLVulpKdokrkUMkTi5lMLowF6eqUJQD1djEAacNzk1MQgkWkoPDh4f1MBS 376A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id pk7si4616817ejb.216.2019.09.19.07.32.23; Thu, 19 Sep 2019 07:32:48 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732020AbfISMcE (ORCPT + 99 others); Thu, 19 Sep 2019 08:32:04 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:45677 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731897AbfISMcD (ORCPT ); Thu, 19 Sep 2019 08:32:03 -0400 Received: by mail-io1-f69.google.com with SMTP id o11so4903633iop.12 for ; Thu, 19 Sep 2019 05:32:01 -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=xRvATBd4vJz/ca0H8KHxwpk25gX5YP7T2VKX90zZjjY=; b=jMryXIbCRojtvrOVuWLRZI2riJQiikAdZ6t9vwYO4hrAFZ44v6jybDvrVKz+zCyJce TQOcFhE4BJdxexavWjucbFSEW+aGlmAsKLpUoAjY34oAJXWeeVX6uMpmHWVr5AJEWPk8 hZPcu5heoaLJ0Egd8DbYOX9cSk/fbo14gsKlMGMzacOokhb2I6rPsMMuLsbwy02c0qZY OVl2WSmImrg0LL3vRTHSY5UT4hbWLJW+Aq8iUaj71Fwyp7DWY/b+rig/WCMQ9Wb4V+ST F6HEUb4/gBKxG5sOIG+hac7ycOWuz2K80+zF/zvjDzgIMNUY3b/Vfj8OUPuZ9UNZiKMA H9dg== X-Gm-Message-State: APjAAAUeL8jj1Fr0fFeRqcV2tPPDZLjPtBjZxlY1Tr4ky7f1k+mb2LI+ T6iwbr3wqtvfl4jdjXvmZQTQ0ejiwZS3/pDYBrMvW9Gqxgus MIME-Version: 1.0 X-Received: by 2002:a6b:b8c3:: with SMTP id i186mr12174261iof.194.1568896320918; Thu, 19 Sep 2019 05:32:00 -0700 (PDT) Date: Thu, 19 Sep 2019 05:32:00 -0700 In-Reply-To: <20190919121234.30620-1-johan@kernel.org> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e5e3c40592e723c4@google.com> Subject: Re: KASAN: use-after-free Read in atusb_disconnect From: syzbot To: alex.aring@gmail.com, andreyknvl@google.com, davem@davemloft.net, johan@kernel.org, linux-kernel@vger.kernel.org, linux-wpan@vger.kernel.org, netdev@vger.kernel.org, stable@vger.kernel.org, stefan@datenfreihafen.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+f4509a9138a1472e7e80@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=f4509a9138a1472e7e80 compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=10f3ebb5600000 Note: testing is done by a robot and is best-effort only.