Received: by 2002:a25:31c3:0:0:0:0:0 with SMTP id x186csp524284ybx; Wed, 6 Nov 2019 04:29:28 -0800 (PST) X-Google-Smtp-Source: APXvYqw6nU6Fh8SI0CtEIPBmVyTVLj41qUWMUdGYUP+LjbDpSctBaG+hQoBfChgAKwNv13gIUeCS X-Received: by 2002:a17:906:4cca:: with SMTP id q10mr33432478ejt.242.1573043368293; Wed, 06 Nov 2019 04:29:28 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1573043368; cv=none; d=google.com; s=arc-20160816; b=K+ULRUnx5moczlEeUoxA85A4scvteo2G81poUrM2uWkrldSXe5jodDvzblq38G/PzL 886qfE7R/7HFn7AKiiYC98sQvvyfFQGbvipS7zI3D9ikFL7CHpJE6xocQE7bq1xwEGgC rDHuAJ7Dq3b2jYM0vqrWCJyyMUp8xXQHWARhLo3PKi91cNs265nQ93/bg3PfR5me/6i5 a7vA6lHLz/YIQR5BroPTXhRHGTk1GxceE1Oq5G5kNMYL8I5hdoE06JyNSTqbhYlEDHF6 lmIReIWhXacsJwc+SIQdpm2x2w8E5v3MrEj4oS4YL7SCcI0u91z5PNcnkbZssJusig64 2D6g== 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=TuDU4N7KBIuKg05wOeBVNp8aWXiMZEYdUf0Wu4Ikdgg=; b=jYTTgElWJzVuimknKr0CgwuIDJYQ0JGAnRAcYuOA7IMquP2wUJNrLsnjK2XBYOLb6H eBMLqPIsxzNHvffs8foAc+X+eTlRgmduAREAZfNn3AfLuQHfmrByhdAsfrV3IJu8FpI5 +cPq0reP79YnQ7bOBDza0eV08oMmIkWEpcot3wLvzRNAi6u0mDGiHn+fN3PV+WTzAaST 8i8hWzyX0wMkIcPooXdTDguSeq2P4piD/s775JJA/sxNJ6rzPRUDq3T7OHs1wxY8Ysob CNAYBmFqftngGwpjSbTFikPV06eLpqNhwfQhq4CHRgM+2LZVYLNf06YxlMagLOr92PjI hgKg== 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 s39si12398215edm.338.2019.11.06.04.29.05; Wed, 06 Nov 2019 04:29:28 -0800 (PST) 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 S1731494AbfKFM0C (ORCPT + 99 others); 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 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.