Received: by 2002:a25:8b12:0:0:0:0:0 with SMTP id i18csp5711ybl; Wed, 21 Aug 2019 13:50:48 -0700 (PDT) X-Google-Smtp-Source: APXvYqzK0G9jQROlvUMNiZMXUtMsimaC5l4ZB8fX5ULu7UEmrEeETHvpoBH8pWC+1LgPN/0Oah3J X-Received: by 2002:a17:902:a01:: with SMTP id 1mr36575515plo.278.1566420648642; Wed, 21 Aug 2019 13:50:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1566420648; cv=none; d=google.com; s=arc-20160816; b=y9Ysnlvv8zLS/qluP03aBWosEjjSGguQa74iS/5XY1T4RE/kvWf+qkaT37hnJ159Ai 7R0fChCzRzk8d2EKb+3mI5HPTZ6XSitV+gxE4BXeIdpyPHp7Bw3+sASzeMBym60f98W7 FieVbUVNRhFvh+3m1PkvaQzwD2uu5v2jHq/KnTXgf/47MY07ktTncDwVZhkMmZCiJR19 Gy2WHdmuEWvItnLCYUkoG822yHbpoe4Jb5tax79mBX0qxMWlgpxAI8sKnsN7taxhK0F9 DBdyHHghfIWGnoSgKJSVj4nrbygzUdGAqBxEkgSxzjDUkpvHAz6XtCpsfiGYztyhWgnr 3mJQ== 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=hpnPsiFxnX4XDyKKrij/XCBcvslRJvlSawvX44PAZjY=; b=Zv/IcWzhirfyIBKeAIRPX2QzGfnm6lLjX+xvmmVpyALtD6EAkYB7VroyeCdZlCOdUq PTSPkT7mDUblhpfZUb5sEc0HY+Fd95scpjXfhhRgZbUwR+OxdX66yS+wWWK2y0gaVf98 2Zjw+jJZ2V2pcMnbz34xbyDUxB8M9/C4He+t1TikH9ToedcQOOI9llSlaGoM+10W77QZ sOY6fbPB1d4WcPoykrOJ7QTeWYo0ZsKgMCJE7CFlHpTfbV5EZGeHOnPFIGFbCBPq4Tmp 5pYu22yM9AyVWwT1YdW5JgWa59vU0J6le/DyR/iYgHrbjW1FvfhH9hfXyDMqvJiLMG9I WG2w== 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 h97si10138111plb.402.2019.08.21.13.50.30; Wed, 21 Aug 2019 13:50:48 -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 S1729135AbfHUQiB (ORCPT + 99 others); Wed, 21 Aug 2019 12:38:01 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:33526 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727037AbfHUQiB (ORCPT ); Wed, 21 Aug 2019 12:38:01 -0400 Received: by mail-io1-f70.google.com with SMTP id 132so3212951iou.0 for ; Wed, 21 Aug 2019 09:38:01 -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=hpnPsiFxnX4XDyKKrij/XCBcvslRJvlSawvX44PAZjY=; b=g2M/aWR82PErhMjlInbT6VRGqtO2QW/xmtOvWGehLW7znyzZcbSUHk9xv1WyVG2xlt zc3eeey5rxaaA6r1Dm3sLKapFbqRYDzGjowlfL8Cd3Ve5gR4xQakCJeuIBbAECsDeP/P V5r7BWWW+7hFLAKjZhqVGHWjym9eEXtKNQ6j5cBd98lOnQrub3tbeTjK2oWByAOva+BQ LYvy1YhysOR8RCc90QOVjikeZ/8j3wEn06zlN7XGRNoQ7l35ueZNRapJJkzMpUlpR86c 9lMJ47pmz3zxD/QChrQMhXJxjGc1iH2SF0mqVJ9wqRfXUzWxOjiW/FP0Ej0nQU1yXo4L QE6w== X-Gm-Message-State: APjAAAWTP8aB4kQzg8qWmOHDubtLqd54FODAuo8JrjMoy3qKFl0GKPhw E0IubvMY4tMyQ5G79wFI/GVYUeD47hqRqR9IW71J9pyHC85t MIME-Version: 1.0 X-Received: by 2002:a5e:9515:: with SMTP id r21mr14546609ioj.257.1566405480740; Wed, 21 Aug 2019 09:38:00 -0700 (PDT) Date: Wed, 21 Aug 2019 09:38:00 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000040fec90590a33230@google.com> Subject: Re: KASAN: use-after-free Read in hidraw_ioctl From: syzbot To: andreyknvl@google.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu, 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+ded1794a717e3b235226@syzkaller.appspotmail.com Tested on: commit: e96407b4 usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git kernel config: https://syzkaller.appspot.com/x/.config?x=792eb47789f57810 compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=126b9da6600000 Note: testing is done by a robot and is best-effort only.