From mboxrd@z Thu Jan 1 00:00:00 1970 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 8044F305691; Fri, 15 May 2026 22:59:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778885992; cv=none; b=meNfsquuJA4NdjpEiZL3lK6+i0iGliWBgSvloDha0ergtzbCgD69x+8fLNa1wBD/U1z21bMSxB7kK8CJHuw8dJXkkSCwFd9IJADBDya9KKGj1397TBgf2VMGCnKJpB/JuNm28JTXZHQSo3tMVmH8UyRxhz3D7vU2sFYUPFbMD5g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778885992; c=relaxed/simple; bh=3cBXiBfCIc1U8M0AW3NaHM5GwnUNv3EqlVzsAWuhJng=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=HeDTH0+OcZ/rBzm0AYn17Ie0yupRs8KbQdV0LG8PpXCZvWJq9mquClhO2n3YtiDCU1OMKr+qwuZZaNXGeTRDtLD6ceIzIdqpOemAqQYq5iQJoICO73FZcJSHfwZ/HbbZAms5NBWpoRMDNXij8Vb5jmjVL/AS7JqzqWxEzsmgmTs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SyDUwcRL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SyDUwcRL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6057DC2BCB0; Fri, 15 May 2026 22:59:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778885992; bh=3cBXiBfCIc1U8M0AW3NaHM5GwnUNv3EqlVzsAWuhJng=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=SyDUwcRLhLlxtrcCAv/hJdexMm2/FSUjB0anb7ix5Z9a8h3uTaRczUe8oZ3fsM3H7 uzKGcEBGyS0xaKpJsPZ5EKHQRBUtF6rgTWN9aArh/ZQgbjfuFvQQFBxxQs0NyBpA7o dOVyjq1/rmRjFFXigMxRmlSs+I9z1W4EUUj7OuitRVB3s0cQY+V+1BiL/vIkAcVbBP hw5zMw4UjToMn3BFzUmoNArMT64xhQZOt/DSUSfm0+ievTjJxoSsNNsJk2W3KZO+/L WzRHzuGe6dZSW7+QlWDl5fSbOzUVWj2Ce4Ix5mj1TkqwelNezDd+LAlL0XES7uhOGp t7zVO1/wL3xpQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D09493930A1F; Fri, 15 May 2026 23:00:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net 0/2] ipv4: harden against ihl < 5 IP_HDRINCL packets From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177888600564.188709.2225332951271422634.git-patchwork-notify@kernel.org> Date: Fri, 15 May 2026 23:00:05 +0000 References: In-Reply-To: To: Michael Bommarito Cc: steffen.klassert@secunet.com, herbert@gondor.apana.org.au, edumazet@google.com, netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, kuniyu@google.com, maze@google.com, kees@kernel.org, jlayton@kernel.org, gustavoars@kernel.org, pablo@netfilter.org, fw@strlen.de, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, linux-kernel@vger.kernel.org Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski : On Tue, 12 May 2026 16:51:13 -0400 you wrote: > This series fixes a size_t underflow in net/ipv4/ah4.c:ah_output() > reachable when a raw IP_HDRINCL socket sends a packet with ihl < 5 > through an xfrm AH policy. Originally triaged on security@kernel.org; > moving to netdev at Herbert's suggestion so nftables / netfilter > maintainers can weigh in on a related question (see "Open question" > below). Herbert also asked for the malformed packet to be rejected > upstream of AH rather than guarded at the AH consumer; that is > patch 1/2. v1's AH-side guard is kept here as 2/2 defense-in-depth. > > [...] Here is the summary with links: - [net,1/2] ipv4: raw: reject IP_HDRINCL packets with ihl < 5 https://git.kernel.org/netdev/net/c/915fab69823a - [net,2/2] ipv4: ah: harden ah_output options-copy guard against ihl < 5 (no matching commit) You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html