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[2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id s20-20020a656454000000b005c65ac797acsi1133713pgv.360.2023.12.20.23.42.16 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Dec 2023 23:42:16 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-7958-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=fail header.i=@kernel.org header.s=k20201202 header.b=n2S5WYQV; spf=pass (google.com: domain of linux-kernel+bounces-7958-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-7958-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 239F02883C7 for ; Thu, 21 Dec 2023 07:42:16 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id A59C017983; Thu, 21 Dec 2023 07:40:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="n2S5WYQV" X-Original-To: linux-kernel@vger.kernel.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C9E8A156CB; Thu, 21 Dec 2023 07:40:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 688BDC433C7; Thu, 21 Dec 2023 07:40:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1703144423; bh=oPCPg3Yq/bJZ51N/NJP3XHeREjgOGUpAA3IBR2Tegmo=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=n2S5WYQVP+STasWR/xRCW1x4E/jG1aIe5qVmDndRCpl90+xl0JkhljqP23CcsiREH wJyT4ERSFQbHROM8mzUOyUK03QtjOXS2FiXqYY31O7vQ4M26WnPlduJ3UflCiHI6MN e3Y0TxICQM75gwcArqZGpLnyJy4aLOmO5D4xJ6Fqm/qxR5AnKEeK6fBLkXL4MGA8KV IvIo3RRO8x3OOp6sSiPEQdbk/aG8QwCtwrUw5z8/9b4qev/kRX8kq4eTDMzNzJFYA1 HYcAOPBvJaweWDfpwDYdu2UTEQcJmyRc9tcYKVdB9n5K99hXtTaICzesKlyoYFzLvx QfQwKExrhinOw== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 4A04ED8C988; Thu, 21 Dec 2023 07:40:23 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] net: avoid build bug in skb extension length calculation From: patchwork-bot+netdevbpf@kernel.org Message-Id: <170314442329.7814.1959861244056655649.git-patchwork-notify@kernel.org> Date: Thu, 21 Dec 2023 07:40:23 +0000 References: <20231218-net-skbuff-build-bug-v1-1-eefc2fb0a7d3@weissschuh.net> In-Reply-To: <20231218-net-skbuff-build-bug-v1-1-eefc2fb0a7d3@weissschuh.net> To: =?utf-8?q?Thomas_Wei=C3=9Fschuh_=3Clinux=40weissschuh=2Enet=3E?=@codeaurora.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, lkp@intel.com, arnd@arndb.de, stable@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Mon, 18 Dec 2023 18:06:54 +0100 you wrote: > GCC seems to incorrectly fail to evaluate skb_ext_total_length() at > compile time under certain conditions. > > The issue even occurs if all values in skb_ext_type_len[] are "0", > ruling out the possibility of an actual overflow. > > As the patch has been in mainline since v6.6 without triggering the > problem it seems to be a very uncommon occurrence. > > [...] Here is the summary with links: - net: avoid build bug in skb extension length calculation https://git.kernel.org/netdev/net/c/d6e5794b06c0 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html