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 F1106C47E49 for ; Wed, 6 Nov 2019 12:26:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C79C6217D7 for ; Wed, 6 Nov 2019 12:26:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731542AbfKFM0C (ORCPT ); Wed, 6 Nov 2019 07:26:02 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:49153 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728716AbfKFM0B (ORCPT ); Wed, 6 Nov 2019 07:26:01 -0500 Received: by mail-il1-f197.google.com with SMTP id c2so21493643ilj.16 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=Uu1Lh4ZbgdCz56IaHXvladWnkuMctQm4SjHmnycTSPuUNeB8LwmkUktm+D1kGolhFw zyIRiVQUOsjuw0V1D1hz07PvQXAZgu4v3B67aA5A8p7chPz+TzzdscHDF0SE28KgL/IV bbTYyp4+G+VWxVNR1r845gadRDLlZgrOVXd6zChJ9YqWSiLBKaesYSPLok82lEYV9+UF EmpFNtvDr5apVFedROBwAIATvcgXaL2uzybppw8c4oG9XTQDJOu0PWNC4QI4mgI3RCPe BwUpJ3VoA1c2tZOza8IqJI4cnjpF2qZiUKJtyoMViOV9Nm6CH2/3Z/kXKYYGj7997eiW Bt6Q== X-Gm-Message-State: APjAAAXWoCpZJMAbQ/9KWWBg9WpaLk4F4GNQIctbu4CN+1ij9JGLXIF3 aqfZbp0+D27/g7udxZXv4T76iWKKdZv53FfqgnSfko5i4taL 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-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+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.