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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT 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 48E5CC3279B for ; Wed, 4 Jul 2018 21:35:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E1865241E0 for ; Wed, 4 Jul 2018 21:35:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FfktFPEs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E1865241E0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753069AbeGDVfK (ORCPT ); Wed, 4 Jul 2018 17:35:10 -0400 Received: from mail-pf0-f194.google.com ([209.85.192.194]:44068 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752888AbeGDVfI (ORCPT ); Wed, 4 Jul 2018 17:35:08 -0400 Received: by mail-pf0-f194.google.com with SMTP id j3-v6so3509214pfh.11; Wed, 04 Jul 2018 14:35:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=NKXD883n718kF5Xm2ZdgDKBvSWTXu3/Z6BRpq5dd5WI=; b=FfktFPEs3mflM5mVDIkzjMLsOusz2L6LGu6TwEy/RR7xePDUMsz8BgeABy4ECSw/a+ I9JvsvHF+g5spG+vnU6Hk6kWMEY1Gj/X79W7m3LOWHpSPj4/uMsYxunD2ZesVgZUm3Ff zGNrh9bfYnTHtotU3BvjyzsQyq/I/iCNPRMMG2i5f+h79Ze28tPxnZfEznddFlUQeNrk 2iyFhsB94vi6GrjzW8Ejo4LzenfuiiF1Y52mQ8PqHtvwlovxuBPRe4E7nSf9rwyz2CjT EzVgJsr3Qst3N2SDCWFzlyGM0dfdyKVmdZnO0efUmAcQMJ4TlEUti+OnfAcJUJ8OquCJ oPZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=NKXD883n718kF5Xm2ZdgDKBvSWTXu3/Z6BRpq5dd5WI=; b=iGBVBNo4DY3D8VI5edlAFHg8leWJvN/MomLJ+RkMq7lT5f9D2hdnGo+01e7lXtl9Oc SPI9TjMnEFLaUhefekbq5PMSiMWg2oj40YX1/GeZ6tYCtW97O41FfUhjVcmrudb3xP6q Mi+OP9diij0r8MDbG7mzjLGlnmVWAFSOwhHUxXWTclpcYz/y40ZG//jiMRsGARxWFrxO IV/uk9NLjitmCGSmYNDGGx7siwCZvWM5j8KH6kH39a9FTJXyzxSQSIsaAySo435Dwolf xndyQCLy9rlruhxGNS7Q3VJg5t8i930V3nJJg8qBl4bcBSK1U4OHQRFqKsseSaKhHCQf 1G2g== X-Gm-Message-State: APt69E2v8D8GUyaenxelrLlm1e2pzz6qctZizoU7G2pk0gsABWfko1Cg cBEGTLHaYYV3EAtJLaVxoPc= X-Google-Smtp-Source: AAOMgpevOExVQunOwGBFH7b7f596uXSnvE4bP6X9YBy1RsmE+6veAtKLZV1Ov/G6Yu8cQSnPGZlYLg== X-Received: by 2002:aa7:81d3:: with SMTP id c19-v6mr3734468pfn.224.1530740108114; Wed, 04 Jul 2018 14:35:08 -0700 (PDT) Received: from sol.localdomain (c-67-185-97-198.hsd1.wa.comcast.net. [67.185.97.198]) by smtp.gmail.com with ESMTPSA id v5-v6sm7765497pfm.14.2018.07.04.14.35.07 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 04 Jul 2018 14:35:07 -0700 (PDT) Date: Wed, 4 Jul 2018 14:35:06 -0700 From: Eric Biggers To: "santosh.shilimkar@oracle.com" , linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com Cc: syzbot , davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: general protection fault in rds_ib_get_mr Message-ID: <20180704213506.GH725@sol.localdomain> References: <089e082ce58896ad350567ee4825@google.com> <20180513211058.GE677@sol.localdomain> <27665604-6a26-36e2-3a58-9c8b3d9eab80@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <27665604-6a26-36e2-3a58-9c8b3d9eab80@oracle.com> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, May 13, 2018 at 10:46:37PM -0700, santosh.shilimkar@oracle.com wrote: > On 5/13/18 2:10 PM, Eric Biggers wrote: > > On Wed, Mar 21, 2018 at 09:00:01AM -0700, syzbot wrote: > > [...] > > > > Still reproducible on Linus' tree (commit 66e1c94db3cd4) and linux-next > > (next-20180511). Here's a simplified reproducer: > > > Thanks for the test case !! > > Regards, > Santosh Ping; this RDS bug is still unfixed. The same reproducer I gave earlier still works, even when run as a non-root user. I tested upstream commit fc36def997cfd6 (v4.18-rc3-113-gfc36def997cfd), and linux-next commit bce40927669338 (next-20180704). - Eric