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 1E1A0C5518B for ; Wed, 22 Apr 2020 15:21:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F1C0820774 for ; Wed, 22 Apr 2020 15:21:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726006AbgDVPVI (ORCPT ); Wed, 22 Apr 2020 11:21:08 -0400 Received: from mail-il1-f197.google.com ([209.85.166.197]:52530 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725779AbgDVPVE (ORCPT ); Wed, 22 Apr 2020 11:21:04 -0400 Received: by mail-il1-f197.google.com with SMTP id a79so2205921ill.19 for ; Wed, 22 Apr 2020 08:21:04 -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=pz5CUTnf5j/KbXtN31blRs8hszDPf+GoywqGxmL0NSU=; b=L6hw+sKTCqWaO/IyOmrb49IHZNtJcqyT8I8k/7T9j3jGe9IAAk82rwTafRJMPqORzx 9hbZccpZu5h0FOoLGAnMWC08OaEKHr98ZU/4WHFP/fH13Iee2WDS7y8K2znnUo1Kdu8i tYCR/78OVvcO7TxtfXDI1ME1eZ9Yt8A7gwHRAJgY+ATmO6wEfsgbt9moU+MFjIk/Ue8H cP/sdRGGs5ahbdTdPWCUWG55tKJKDTwB5hrQPVP3RbcTVj1T326bUvhx0WYagUeqd5FD 9cTF8d2VShG8vAna1TvT0c3RNXrzPy+yrKYDrwsEj50/80gn3fLeycMb22i69ROyEV5d YUQg== X-Gm-Message-State: AGi0Puby0kTpgOackwFh2IwJkc1TZPzzUVc9aN0Hnfxl933meb/NxX4/ KKCZS47i3WxYj2aEsMZYclbbv/y4RKx8nfcxLdYWRE48lFW/ X-Google-Smtp-Source: APiQypLGfxG+wShvFp6rdfNRJ1n5KuK6e6eGMdujQtoUfdCunfXWlEVxafiQDoC6rEC+Ti0UWFJk3U/4qIqvqPZ78ZYBhiQaXDeB MIME-Version: 1.0 X-Received: by 2002:a92:d149:: with SMTP id t9mr17233217ilg.213.1587568863606; Wed, 22 Apr 2020 08:21:03 -0700 (PDT) Date: Wed, 22 Apr 2020 08:21:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002bfce805a3e2aec4@google.com> Subject: Re: KASAN: use-after-free Read in usbhid_close (3) From: syzbot To: andreyknvl@google.com, benjamin.tissoires@redhat.com, dmitry.torokhov@gmail.com, gregkh@linuxfoundation.org, hdegoede@redhat.com, ingrassia@epigenesys.com, jikos@kernel.org, julian@cipht.net, killertofu@gmail.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, pingc@wacom.com, pinglinux@gmail.com, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+7bf5a7b0f0a1f9446f4c@syzkaller.appspotmail.com Tested on: commit: 0fa84af8 Merge tag 'usb-serial-5.7-rc1' of https://git.ker.. git tree: https://github.com/google/kasan.git kernel config: https://syzkaller.appspot.com/x/.config?x=6b9c154b0c23aecf dashboard link: https://syzkaller.appspot.com/bug?extid=7bf5a7b0f0a1f9446f4c compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=14f40acfe00000 Note: testing is done by a robot and is best-effort only.