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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 55ED0C433DF for ; Sun, 2 Aug 2020 22:10:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 31AEB2076B for ; Sun, 2 Aug 2020 22:10:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="E5aFGH1z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726944AbgHBWKY (ORCPT ); Sun, 2 Aug 2020 18:10:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726257AbgHBWKX (ORCPT ); Sun, 2 Aug 2020 18:10:23 -0400 Received: from mail-qv1-xf43.google.com (mail-qv1-xf43.google.com [IPv6:2607:f8b0:4864:20::f43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F2C9BC061756 for ; Sun, 2 Aug 2020 15:10:22 -0700 (PDT) Received: by mail-qv1-xf43.google.com with SMTP id j10so9859939qvo.13 for ; Sun, 02 Aug 2020 15:10:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=G/9zZ5p0SBsYcCXdanUrC5EB8eHdMPxe1+JMyKoRc10=; b=E5aFGH1zhPwSIpxPBGW2p4cDlOq1GdjukqzSGRY7lg1+fl71R/Sobad6/Xe6h3qAfK Q7OpYW4iHyziHVd56/ynbsHOqmVYq4mLt8EN/PB5Cw/t+RPHc9gE/iL8jR3BL1C2FH6/ yZB208L6AQV6NJRM4UFTOiAT091SYK8djQj/DLSpccwILqIMkvR7dCQvCj20/m4e0nTW Zrrte/TFrGqh80o+blo7awO2x4he1GY5sDjvod50Yr9KPVqIv0ezSsItF3WdyBmSQjpE Fdmvp1p14o3tdhYYhhRS1pmu4HlOlDKdEKF20MCsmZ/2jl+y26bOxs+iY05lshkWrsk0 O6xA== 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; bh=G/9zZ5p0SBsYcCXdanUrC5EB8eHdMPxe1+JMyKoRc10=; b=YpJMkIAq2L721S2CLi6XINA1yf317qsAZRiJqUNl/x6u++IoQaDZ0Oj5gwF9UFZRCY ekJ2dDZaGGjabhGAGfLQruACIn1aHAqH6FNd9NPVqevbwBbsnqNkOFw8d+KqaDTYiOOr lTJoWvxkCtSi6OKj2ftSh+eI4Egj0os3MaioN6WBzMnFd7kQUakRmdGUNZ91kYiGw4EJ IWD1xi3x15Ep7JssvZrfszeQ+u0yqXD98SXnqGH/5Hskma3oLQToxZ4cjEw0r8pKt8C6 4KJDWhFl+MH36EdYlnJGG9T6dRG12fuH6e+vcSTrEZ2apSUaUl6xHQvakiG96jvEuYef er8A== X-Gm-Message-State: AOAM532riQTYpZqkbZ3y9vUdRp6Zd54PBo/B9Ohl5yRqH5GwfvTGj43L MMfpkzGALtR35qvC3eqy27cODg== X-Google-Smtp-Source: ABdhPJwuPyEEkUubTt/T0DTBZkrG/a1mit/K5GcIGmqhcC6v077uwjpHAS1lUty8mywd61HFxQNQMw== X-Received: by 2002:ad4:51c8:: with SMTP id p8mr4370005qvq.31.1596406222034; Sun, 02 Aug 2020 15:10:22 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-156-34-48-30.dhcp-dynamic.fibreop.ns.bellaliant.net. [156.34.48.30]) by smtp.gmail.com with ESMTPSA id h13sm19138339qtu.7.2020.08.02.15.10.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Aug 2020 15:10:21 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1k2MBQ-002pjS-Ao; Sun, 02 Aug 2020 19:10:20 -0300 Date: Sun, 2 Aug 2020 19:10:20 -0300 From: Jason Gunthorpe To: Leon Romanovsky Cc: Greg Kroah-Hartman , Peilin Ye , Santosh Shilimkar , "David S. Miller" , Jakub Kicinski , Dan Carpenter , Arnd Bergmann , linux-kernel-mentees@lists.linuxfoundation.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com, linux-kernel@vger.kernel.org Subject: Re: [Linux-kernel-mentees] [PATCH net] rds: Prevent kernel-infoleak in rds_notify_queue_get() Message-ID: <20200802221020.GN24045@ziepe.ca> References: <20200730192026.110246-1-yepeilin.cs@gmail.com> <20200731045301.GI75549@unreal> <20200731053306.GA466103@kroah.com> <20200731053333.GB466103@kroah.com> <20200731140452.GE24045@ziepe.ca> <20200731142148.GA1718799@kroah.com> <20200731143604.GF24045@ziepe.ca> <20200731171924.GA2014207@kroah.com> <20200801053833.GK75549@unreal> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200801053833.GK75549@unreal> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 01, 2020 at 08:38:33AM +0300, Leon Romanovsky wrote: > I'm using {} instead of {0} because of this GCC bug. > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119 This is why the {} extension exists.. Jason