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 4588F3A6401; Thu, 22 Jan 2026 11:20:08 +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=1769080809; cv=none; b=HLBpQ37tBKCL87+bVCgeClyfnJ6zR8Mo91fYdQVI7W/+w8ori+S6GMBNv4+Z35AWh5asiBTHPbI6CH3L097PuGrDSOO2L3FY94pi58vXQJqtf5ceM5ofw0EGRaxru90Xp4pbX9ZZgAJp/Jv6fQRQImZs0Fhl9PGvLtXRNthVlYQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769080809; c=relaxed/simple; bh=aGvsNSgadRqrmWhuMeia08DAg2TIMJ407pjgAveWIi4=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=R/ySIAlpbkBqk0s4AmFsZz3Pci0bCP38hNiiLppn3s7qAobUMdgIJPvkYGb9/nrgooq1v/PtN9UxmMnBNBmsCkEcrRmPnyKYUGCls/uqABoDylVOvdGcCOz9M2WMvj+okByyzKXI5Wd0JrAJYq+n1AOdYQjM1d3GQB3hTFtpqMo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OUdmVpmE; 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="OUdmVpmE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B0C64C116D0; Thu, 22 Jan 2026 11:20:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769080808; bh=aGvsNSgadRqrmWhuMeia08DAg2TIMJ407pjgAveWIi4=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=OUdmVpmEY4JBpqUIcohMnmnKQbhd3r7Ds4EsOpejYa4IiykOjrWRRCjiZXSpMenGh xYIa9fz15+kNHAbMRx2M9bUDPsage7iQrN10I6d/ck7+XtXJRTTa75QAAebQVyT49G 3lBLZTYNhLosT/qqaFqNHWcIgrTIdi9uDx210Rk9s2eAp3wjZ6oijaz/SIsF7eTlkJ B1ZmNYO9kSXAGtFhJuBsZjLYJzbSXPmv7i8kThw/ZdsJqlihJsdF4l/fzKhur7wQ7f zm2Yz0dudsKG7tnG9gRDZij0zRJYSwLerOqhUJAzjRX3NU0CoI4+xPiTVpYZBICWVo FtbkZ+98cKx6w== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 8BBDB3808200; Thu, 22 Jan 2026 11:20:06 +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] cipso: harden use of skb_cow() in cipso_v4_skbuff_setattr() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176908080535.1676098.17318230708318631891.git-patchwork-notify@kernel.org> Date: Thu, 22 Jan 2026 11:20:05 +0000 References: <20260120155738.982771-1-whrosenb@asu.edu> In-Reply-To: <20260120155738.982771-1-whrosenb@asu.edu> To: Will Rosenberg Cc: paul@paul-moore.com, davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Paolo Abeni : On Tue, 20 Jan 2026 08:57:38 -0700 you wrote: > If skb_cow() is passed a headroom <= -NET_SKB_PAD, it will trigger a > BUG. As a result, use cases should avoid calling with a headroom that > is negative to prevent triggering this issue. > > This is the same code pattern fixed in Commit 58fc7342b529 ("ipv6: > BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()"). > > [...] Here is the summary with links: - cipso: harden use of skb_cow() in cipso_v4_skbuff_setattr() https://git.kernel.org/netdev/net-next/c/40cb4cb77ea2 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html