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 DAC32C5DF63 for ; Wed, 6 Nov 2019 12:26:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B24DE217D7 for ; Wed, 6 Nov 2019 12:26:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731558AbfKFM0D (ORCPT ); Wed, 6 Nov 2019 07:26:03 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:48840 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731539AbfKFM0D (ORCPT ); Wed, 6 Nov 2019 07:26:03 -0500 Received: by mail-il1-f198.google.com with SMTP id j68so21515744ili.15 for ; Wed, 06 Nov 2019 04:26:01 -0800 (PST) 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=TuDU4N7KBIuKg05wOeBVNp8aWXiMZEYdUf0Wu4Ikdgg=; b=Xb7ZGde4JsXfMxeiM0lK7XI8m3tb/A3C6NS6XG5jTGZrqEG6M+f896hcNne9+8pRTs 4wSl8LtJQ9E3v+WUQLjhndqc4lt1Lu/D+H44kphyzbZK/HUh5KeCLdZ1kKpfKDiSUbjF 9nHb0p8uOKLsdRHKlyZokFKVzGsrCSDDEz4FQNp0FW8iJAbKMMzBIvzGkJvDFWW7ZF/s CHbF0t5uIr/YJUcBDct5AucYSjUGrZ+gZ6eR3e5s2QQo7CXxwKXYY5kEqJqCIYyz1Y3z 5E3xsF93B26XebPz4J9r01o2s2TFASHKzGbi7LweJvcbF04R1ZhJ9X3d8JCShxgm3ljN XB/w== X-Gm-Message-State: APjAAAXsseFdd15fHa+X4AtAiaTU9k5u+TMK7YXa9+wZNVuv/tlZslZu T1d5B7DGtcr+sb00dYIaNt6dVT5ZswDnoW206opdEpoGeFkP X-Google-Smtp-Source: APXvYqyqNmFWaPRN4zNU+bC77MAPWIqH8BFH6dmLMx4fBBLupHK5Ar+vM701NhR+mDHy+ptQJbA58+bJgVH9AFZmD9yfP0LTsyLP MIME-Version: 1.0 X-Received: by 2002:a5d:8156:: with SMTP id f22mr31826636ioo.234.1573043160641; Wed, 06 Nov 2019 04:26:00 -0800 (PST) Date: Wed, 06 Nov 2019 04:26:00 -0800 In-Reply-To: <1573040577.3090.22.camel@suse.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ce75df0596aca681@google.com> Subject: Re: KASAN: use-after-free Read in appledisplay_bl_get_brightness From: syzbot To: 2pi@mok.nu, alex.theissen@me.com, andreyknvl@google.com, gregkh@linuxfoundation.org, linux-kernel-mentees@lists.linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.com, syzkaller-bugs@googlegroups.com, tranmanphong@gmail.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+495dab1f175edc9c2f13@syzkaller.appspotmail.com Tested on: commit: e0bd8d79 usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git kernel config: https://syzkaller.appspot.com/x/.config?x=8847e5384a16f66a dashboard link: https://syzkaller.appspot.com/bug?extid=495dab1f175edc9c2f13 compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=14d463b2e00000 Note: testing is done by a robot and is best-effort only.