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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 00208C169C4 for ; Thu, 31 Jan 2019 11:35:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF7AF218DA for ; Thu, 31 Jan 2019 11:35:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732428AbfAaLfE (ORCPT ); Thu, 31 Jan 2019 06:35:04 -0500 Received: from mail-it1-f200.google.com ([209.85.166.200]:40260 "EHLO mail-it1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726221AbfAaLfE (ORCPT ); Thu, 31 Jan 2019 06:35:04 -0500 Received: by mail-it1-f200.google.com with SMTP id 135so2216905itk.5 for ; Thu, 31 Jan 2019 03:35:03 -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=OOVKRl0kmwYYGsMMVLfAGRAgoSRWlW/vz12qgCCQqSY=; b=OvN3OzIIqos6ebAwS5yNoefYn4rQwqeSgqPW7AzrYCeOWNCDwCXyMwCBPEEZOWmBRa 5Py0LRocxUZDaw9IoLSxakjvxRTFFWSkVx1cAjJ42NzUXNcWwc7DEndy04M2Sg565Esc MXWBIZ4DqbK3mwCNUlFQIZYG0yJh6IPnZxIPtbrOx5Xz8SyK7naMX2mGWfZjnzQByedg HWBsfEAGiLGwn1HsAPmQWICd+xUBjzyvkspwimBGkRAiqinxl44QnmHDxcFg4umOO012 zUUnU2/xEmyKDK9kJOHKSULk4e20hIQodTkZQGToAmp8bkKYDc2+o577PQen1R+HOvIT /8BQ== X-Gm-Message-State: AHQUAubmho7ccE3T8xQAwJWRyiQs1+cot+ecKsLTvNkGH3t5mT6TZ0qz H3V2bG0CFjXLYMMbJ4+GAES6zjPzkpTEJYaiO5iyeAsSgak2 X-Google-Smtp-Source: AHgI3IbzE8o9NOkuxPtdpp3eKHNzEoun/GkaeuCBYbEVh9I51c6VDD9T8cz8Qinu2U3E2XGv9NUSZ2mQ5IEFEH7hoIJGG1+AkTb6 MIME-Version: 1.0 X-Received: by 2002:a24:7a05:: with SMTP id a5mr9725896itc.30.1548934503099; Thu, 31 Jan 2019 03:35:03 -0800 (PST) Date: Thu, 31 Jan 2019 03:35:03 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d671490580bf6a53@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: af0c9af1b3f6 fs/dcache: Track & report number of negative .. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3495238483eab50f compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=166d48df400000 Note: testing is done by a robot and is best-effort only.