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=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_PASS 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 19BF4C169C4 for ; Thu, 31 Jan 2019 11:53:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E8FBC2087F for ; Thu, 31 Jan 2019 11:53:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732446AbfAaLxE (ORCPT ); Thu, 31 Jan 2019 06:53:04 -0500 Received: from mail-it1-f198.google.com ([209.85.166.198]:53636 "EHLO mail-it1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728091AbfAaLxE (ORCPT ); Thu, 31 Jan 2019 06:53:04 -0500 Received: by mail-it1-f198.google.com with SMTP id i12so2303220ita.3 for ; Thu, 31 Jan 2019 03:53:03 -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=5DxVAjUzueJPHXu22nFZUL0mvmZ8UsheISr9iPmh3tI=; b=shs8TYQgnF/QcmfuynV+YR79ktA0Bcd/DQceB1O3hohXWOs7lACDlRrBaN7wvSbqec wglm9b25KRX0w+DqJM5pj1RVUscKpS05z6Bx2FyrDBAahI5RL0/1C7XEdIfSXbWgtNd0 Oel7FTTj8WrN3FVlcNbR8DQeLYhDqcfWuyArLKivRbtPkYz3o+b+m4Ttves46ahvS9aQ 1d2Y+ds5gHbT8B5Erz5seIYTQLAhKzVBEEcSkDbggCePvcLOUlw8xVo61rTu8S2hr9d1 uBWNoz6hAwIF8CKl0//LPu9hOBhACPkxRa6vx83Gy6I132lEqK7N8VDUpEzg6Pm/eRZy jg4g== X-Gm-Message-State: AHQUAuYL0JHp6BTLKFy0BUn20+H345yujWmbYykyl7d+R0YrBARywwdx I3KXngTxu8w0SUMqmd1gEHEkxm26UollDDgHm0JnI/+KE7dL X-Google-Smtp-Source: AHgI3IaQbAim8A05l5ZKdosLXo23TbC6ecX80jKKXLm7xXxgHG8DjBvEII3UMzoc25EekilkFPxmExsSzm9d9bedwyN4x5gSyrGg MIME-Version: 1.0 X-Received: by 2002:a02:4dc9:: with SMTP id t70mr9858797jad.0.1548935583249; Thu, 31 Jan 2019 03:53:03 -0800 (PST) Date: Thu, 31 Jan 2019 03:53:03 -0800 In-Reply-To: <20190131112241.GA8383@kroah.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000038383f0580bfabd3@google.com> Subject: Re: general protection fault in relay_open_buf From: syzbot To: akpm@linux-foundation.org, dvyukov@google.com, ebiggers@google.com, gregkh@linuxfoundation.org, jrdr.linux@gmail.com, keescook@chromium.org, linux-kernel@vger.kernel.org, rientjes@google.com, 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+16c3a70e1e9b29346c43@syzkaller.appspotmail.com Tested on: commit: 37ea7b630ae5 debugfs: debugfs_lookup() should return NULL .. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-linus kernel config: https://syzkaller.appspot.com/x/.config?x=a04dcc98f2be2fd8 compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=16ecad28c00000 Note: testing is done by a robot and is best-effort only.