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=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 5C5DEC32751 for ; Wed, 7 Aug 2019 18:23:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3D08521E70 for ; Wed, 7 Aug 2019 18:23:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389313AbfHGSXB (ORCPT ); Wed, 7 Aug 2019 14:23:01 -0400 Received: from mail-ot1-f71.google.com ([209.85.210.71]:35935 "EHLO mail-ot1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389232AbfHGSXA (ORCPT ); Wed, 7 Aug 2019 14:23:00 -0400 Received: by mail-ot1-f71.google.com with SMTP id f11so56468875otq.3 for ; Wed, 07 Aug 2019 11:23:00 -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=BKZrN8UHWqfJl9RbVEGYooh5RMS//IjsbU72N8zChOk=; b=fQa3I5y3etinofJeujeJ34lr2JVBCJXYZGu4xq/M3/dxlhGVDrZRenkiBklyN6AauB 8tkF9/uQGCDU9FAnaBYerUghU9uBVimHXHsH5wcXqusKWSiszeG4fw+jt9qb+cZ9Z+bm xc7LlkRIZpKULLKzwzBx9lbJvye/zdgK+EVORC9yUScF1jcz7aDIX2Ix7CwvyBglfOPm w0NYNgfnibkWIfLet7set/FpK4cP1Nf4+hjECAq8IJZivqBjZmzrIXT1r6vexI/IozbY zQdyqBedEmv1pl6dglPG0ROkEeiPAo3N/XeuaRWw7hwXyRBurZwKj3iqztyvtjnBd1iU OkjQ== X-Gm-Message-State: APjAAAUkWPn1YhZbFlFkuP49A22ceKtv1WFF3V4AQ3ryc2uyXqPrfLqk jbu6QSFS8AWxG6Ahb38ir/uYC859lEWdPV00qu1rZg6av6td X-Google-Smtp-Source: APXvYqzlO/1fjO7fAy/i44rUl8mH1jIN27N+7wScaoD71Pg9Q4qvka+DRr471Gcojl3BUxTa+jpNIACS3U3IJuzDdu5WJcZppu/t MIME-Version: 1.0 X-Received: by 2002:a02:9004:: with SMTP id w4mr11668135jaf.111.1565202180169; Wed, 07 Aug 2019 11:23:00 -0700 (PDT) Date: Wed, 07 Aug 2019 11:23:00 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f365b6058f8b07ca@google.com> Subject: Re: KASAN: use-after-free Read in device_release_driver_internal From: syzbot To: andreyknvl@google.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+1b2449b7b5dc240d107a@syzkaller.appspotmail.com Tested on: commit: 6a3599ce usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git kernel config: https://syzkaller.appspot.com/x/.config?x=700ca426ab83faae compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=132eec8c600000 Note: testing is done by a robot and is best-effort only.