Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp2247009pxb; Thu, 4 Nov 2021 16:58:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwoRthoLSKu8fiEgsO3vJWoq8Oo8Hu8RNcObSiy8zJ7ZGpe1GUJ9jA1xt0goYnrBJS7CRIY X-Received: by 2002:a17:906:4793:: with SMTP id cw19mr48151861ejc.387.1636070335289; Thu, 04 Nov 2021 16:58:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1636070335; cv=none; d=google.com; s=arc-20160816; b=Ml6I+OPFBs4TwgHkMcH0O4oj1cpgPhrkQVeXuJCyziwV5wX/6/N+mKBr6nBsRXUIdq 3qvFs7AbCynqIUDdxQ6m+5bi0qjnwZUDKAFG7YBFaH/OVt/4aJsYVhBtT4U4Qs1+rzOp jSfUbCsIz2fFqQoQVFVJ/8z54OLdyFPvwa753h2SPSW88OxikaBEifYSmtv+65Eus9lE cBmlGDsQpURDtux4+RGleBW/cD8CglhbF+97dR6/qd0ZKefDLzxilcBliXz2hlyHdz9T IzUb30P/yKQmUIEWOTfFUk6+HpsSB469Vx0h9mPsMyJ4Hz0KQskXK+z8rKQbBFK8Vp4m AB2Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=JBKbgDsjzpRaOwjUcCtqx5/j1qfvxLSWRh1c9jUApPU=; b=iJrr0PGa79hU8B/UQ5+IxHlJ+oWF4cu+4Sh7ZLx/RirCrwKYhxq1xp/9v8FFPWczMu aADh5v14aBZJxWsxLrOEbq2FEzeVEEhuptcsiNPk51HZiZVLJdO8S7fHuh9O/daJX1gx SSdN4ITV4ALXMX13/rdjvN2oWiOe/QRlo8PofuqKnYGg0A66jNfkHcCZWr4WksdEOnlw qewF3ubWI3qDolfGeFqx7FLQA5h3MP7TD7EzL8pkg8ab4myGD5dzvzfC420bpIY/xbsz rWqRTLeJbn+FHOsv6CDP6dbe74w6Q2Yg2qv/lhsPvugZVtenTwd40YrAU787v4+XSa0p ZybQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=P91c0cNK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id qw31si13124028ejc.118.2021.11.04.16.58.29; Thu, 04 Nov 2021 16:58:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=P91c0cNK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232397AbhKDX6O (ORCPT + 99 others); Thu, 4 Nov 2021 19:58:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:50536 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229725AbhKDX6M (ORCPT ); Thu, 4 Nov 2021 19:58:12 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1111761245; Thu, 4 Nov 2021 23:55:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1636070133; bh=LjZJ+WVEgGR0lT5HwCCp4cTyjDkgI7NjMus+P1YMzR4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=P91c0cNKoikNJTuqnR72z8TuKfPm+tctHmEPOSqUo6EbAcv51L0xk6+ch6MXk2OfO Agt1V+m2lSh2nABHkw7UE/8iajNJ98AlhXmKYEd2oV9wMpB+u7QMGAWRwepzBwuAZk JQzLv5yk4jEgWXXNRkvQ/+pgC15Ky5AY0GavoFKmNxcADQNGJq9E+Ysbk8bjdACfP2 17ZVw0QPnTM6mXQOyMbIjQg/dJwBdHDLow8ndmS4fwLZRH9sLounnOCjasG6cug2DG idsZ3EV1HEVba0OLT4IvQ8XiC+kPNSPJIk1qzo9cl9QzNQx+dkq60Gy6WCH5VImRe1 7XB7bad+pp9rg== Date: Thu, 4 Nov 2021 16:55:32 -0700 From: Jakub Kicinski To: Eugene Syromiatnikov , Jeremy Kerr Cc: Matt Johnston , "David S. Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v2 0/2] MCTP sockaddr padding check/initialisation fixup Message-ID: <20211104165532.781b3dd0@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 3 Nov 2021 20:09:36 +0100 Eugene Syromiatnikov wrote: > This pair of patches introduces checks for padding fields of struct > sockaddr_mctp/sockaddr_mctp_ext to ease their re-use for possible > extensions in the future; as well as zeroing of these fields > in the respective sockaddr filling routines. While the first commit > is definitely an ABI breakage, it is proposed in hopes that the change > is made soon enough (the interface appeared only in Linux 5.15) > to avoid affecting any existing user space. Seems reasonable, Jeremy can you send an ack?