From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from omta38.uswest2.a.cloudfilter.net (omta38.uswest2.a.cloudfilter.net [35.89.44.37]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6608D36B00 for ; Thu, 29 Feb 2024 01:03:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=35.89.44.37 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709168613; cv=none; b=LBdiFcG5sZag6M4k3CIr+FBE+dk/t2S0VOp2ot6+mFTow2l5ltekMdEdl0w48zjo/GhPjV6iQfLVutURqV0e+M9Qb43YzGFoZW0+JZg/5Tn6ijaoQYI8onunDtEnzIsj6qRYTdV9Z/shdttP9S/qe4y9/+wNO2xVjwdr1ICxQXU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709168613; c=relaxed/simple; bh=aFMYAjr2Kwl3Bq7QOoD1HkmCDlg/qynNYcIWlH3skcQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Fu46EsLzukOwY/CPYGEcRowOcYHEfhhdOlCSynGTv+913qoWAml0oyoF81h6rY+n2L/ZMEwd/lsrUza5YNlJRjStLcJB44XOCILtiKcVVrCVRKsgy6UuJBDdSICrH/z/RQ5JFfADMFECy2UHWsSJiNDJx+A3Mi7RLqMCPLY9ou4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=embeddedor.com; spf=pass smtp.mailfrom=embeddedor.com; dkim=pass (2048-bit key) header.d=embeddedor.com header.i=@embeddedor.com header.b=BWLInSMj; arc=none smtp.client-ip=35.89.44.37 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=embeddedor.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=embeddedor.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=embeddedor.com header.i=@embeddedor.com header.b="BWLInSMj" Received: from eig-obgw-6005a.ext.cloudfilter.net ([10.0.30.201]) by cmsmtp with ESMTPS id fPy6r75oODI6ffUpariXGH; Thu, 29 Feb 2024 01:03:26 +0000 Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with ESMTPS id fUparHsKE2ihtfUparIeZD; Thu, 29 Feb 2024 01:03:26 +0000 X-Authority-Analysis: v=2.4 cv=KdrUsxYD c=1 sm=1 tr=0 ts=65dfd7de a=1YbLdUo/zbTtOZ3uB5T3HA==:117 a=VhncohosazJxI00KdYJ/5A==:17 a=IkcTkHD0fZMA:10 a=k7vzHIieQBIA:10 a=wYkD_t78qR0A:10 a=geO6l3TllUDVLW6gesMA:9 a=QEXdDO2ut3YA:10 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=embeddedor.com; s=default; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=KBOTTqsdtZgwVhU0ouDC8P1Pw8ERk6YxtzTNZWn5OtE=; b=BWLInSMjsxRqyUlKy1+ZZI/0mw rChvfHJHA7IhUbQR20kcbnULtGDxOtyDM4WwAAlnZj+p16hPezaj5k+oL2pEX1dL7IYxGdtAScO59 +n+HA2/lhE38EZ98aFuE3k5gC1b+9KmX+5OAvV6dr2kq3Ny0tcGu+mzsGOYoZkCcuh1OQw6CbsdJn hIGPJj3EfmQmA5HNFKJdpMw7PMNx2Qm2EUik3O+fqQbY9HJlfRcxiBl3ia62+9U48Z5hdDpPQwlFx Eup+wtSYRzz89/gG5NiWhg+oI4n6WArW/Teq8lImknBwSiEG4YuUQa6P0dtBE/XAn8tNk5r6CuYh4 4x1bwyKQ==; Received: from [201.172.172.225] (port=35524 helo=[192.168.15.10]) by gator4166.hostgator.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96.2) (envelope-from ) id 1rfUpX-002Jt3-2S; Wed, 28 Feb 2024 19:03:24 -0600 Message-ID: <49f55b02-ce21-40ac-a4cc-02894cd5eb8f@embeddedor.com> Date: Wed, 28 Feb 2024 19:03:12 -0600 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 7/8] net-device: Use new helpers from overflow.h in netdevice APIs Content-Language: en-US To: Jakub Kicinski Cc: Kees Cook , Andy Shevchenko , Vinod Koul , Linus Walleij , Jonathan Cameron , Mark Brown , linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-spi@vger.kernel.org, netdev@vger.kernel.org, linux-hardening@vger.kernel.org, Jonathan Cameron , Lars-Peter Clausen , "David S. Miller" , Eric Dumazet , Paolo Abeni , "Gustavo A. R. Silva" References: <20240228204919.3680786-1-andriy.shevchenko@linux.intel.com> <20240228204919.3680786-8-andriy.shevchenko@linux.intel.com> <202402281341.AC67EB6E35@keescook> <20240228144148.5c227487@kernel.org> <202402281554.C1CEEF744@keescook> <653bbfe8-1b35-4f5e-b89d-9e374c64e46b@embeddedor.com> <20240228165730.3171d76c@kernel.org> From: "Gustavo A. R. Silva" In-Reply-To: <20240228165730.3171d76c@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 201.172.172.225 X-Source-L: No X-Exim-ID: 1rfUpX-002Jt3-2S X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([192.168.15.10]) [201.172.172.225]:35524 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 8 X-Org: HG=hgshared;ORG=hostgator; X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfO0toEznjXY1Vl7wPyt9X7KVCGtpc8Ml25o4C9pIUev9VaYxEP3vSBNAT6ydWJO+hBAStmxiUML8oPzlkoI3Vn8fAutU8Etg62lXcYeFf01U3k8vqAd4 YOpQinpYuW+9Aq7976dWZRlDo3tobaBWV+sJzvDutJlx4ciNjXF1rwi03Fo5B+DCihhLoMdIhEbm93GEx1hkZsyvZINWpbIlNqs= On 2/28/24 18:57, Jakub Kicinski wrote: > On Wed, 28 Feb 2024 18:49:25 -0600 Gustavo A. R. Silva wrote: >> struct net_device { >> struct_group_tagged(net_device_hdr, hdr, >> ... >> u32 priv_size; >> ); >> u8 priv_data[] __counted_by(priv_size) __aligned(NETDEV_ALIGN); >> } > > No, no, that's not happening. Thanks, one less flex-struct to change. :)