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 A6B6F4A07 for ; Thu, 7 May 2026 00:40:56 +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=1778114456; cv=none; b=q/9BazA3a/N4f9jigwUWBzvKI7+7c33v6uZFOUxiL6/ls0ZMnE6QHURcYYjo1JoeyqIblkkf1fpnrx88pi2OBqDmFGrn1cPWFmyPhRxswkMEvUEc0S8Ozqp6FuAzs6PC8U9hgaMw2t9FBZLJg2ZJKai3v1Li35uMjPPiPdGcNTE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778114456; c=relaxed/simple; bh=I86N/BV5DsVD8OGYu3BdJNS1nik1aOKYwvET77Ii8Jw=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=LDe4KUsjrDKJkObrhDmfcdo7ilSOzyk9vVrqXKQL2pNPDS/WxbxGWe4RuhYMxcrya6gLAN7/fMb8aH1yFkpt6lUGe84Jo0f5OqVtEWWi9EYlD8HcKlsIV0GT9X0jCNTLpRXzq2Y2BdDsgfcTjc/Fmc9WJGerfmZfYz1wRoLilG0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=t6Skg6Yh; 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="t6Skg6Yh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3BB6EC2BCB0; Thu, 7 May 2026 00:40:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778114456; bh=I86N/BV5DsVD8OGYu3BdJNS1nik1aOKYwvET77Ii8Jw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=t6Skg6YhU5a86EzsY3MOUs0BeyJILrqSp87W61HcPvYu/P6C+d7o6Hd8z3CTpYa6W AT+GWvBhAbtGxoG/zAAwZtU16bb9eHq37VTAVsZE3x3Mqg8QN8sISBQpARHeFHhZfz zJkVbqNPyUaMFHTocf7VixYjx3jnK0sd1lneu0WIVRP5lJjco/A1vZC6TOCMaKJe/p wcXmy0bHqEQc00AeuZl9Mptz5r9JsKN5eukIUCZ1U2nhGKPWiOCqb4V15GlnX4lvn2 6wrl1/QB1XXBNBNEhZkvde+2ghhQN1sGnFYxUgTLHpHw3RfiJVUpZ5yzJ1dzHG64O1 Ng7doCLitjDFg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 02BEA393089F; Thu, 7 May 2026 00:40:07 +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] ipv6: fix potential UAF caused by ip6_forward_proxy_check() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177811440570.3278368.4185578549317990881.git-patchwork-notify@kernel.org> Date: Thu, 07 May 2026 00:40:05 +0000 References: <20260505130056.2927197-1-edumazet@google.com> In-Reply-To: <20260505130056.2927197-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, idosch@nvidia.com, dsahern@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com, melotti@google.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Tue, 5 May 2026 13:00:56 +0000 you wrote: > ip6_forward_proxy_check() calls pskb_may_pull() which might re-allocate > skb->head. > > Reload ipv6_hdr() after the pskb_may_pull() call to avoid using > the freed memory. > > Fixes: e21e0b5f19ac ("[IPV6] NDISC: Handle NDP messages to proxied addresses.") > Reported-by: Damiano Melotti > Signed-off-by: Eric Dumazet > > [...] Here is the summary with links: - [net] ipv6: fix potential UAF caused by ip6_forward_proxy_check() https://git.kernel.org/netdev/net/c/7aaa8f5e45a9 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html