From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 6637131715D for ; Wed, 27 May 2026 01:30:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779845415; cv=none; b=GTMpchk/HZE1RBEZ3rdjkQdGAmK8VplymSHaVvurjYPGfjSnAlkZG4wV3pcjhmOnDpY5/c2+EWaoqZzXjBupQvoXz793q9gffqL49V5vg6MX+I5QmGCezskiZU8vCOFMNerCSdoS7kNGBF4zsfF5uc3lfTCkU2FB3H0lxlKYf8E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779845415; c=relaxed/simple; bh=7vT19sIl3Q9+t3tbRGH26qmkXHgt72j+N6Lv2fIYPdY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=i33Ogf0soYVUNpMQPn0SXhZ0oNgJmaG00/avS6oOf9VziqJZE54vg4XXSMaATfXoOgeWZzA2BMrrBb4Bj5KuJWckG2qHoTg14sUOUtKo1FF/so9rxnrxr+GdBGgUo/1WxKKWFpjC92sh1Q+s54Ger90VuJ9sBMm1+gKIMqQWGxc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PrCNXCmh; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PrCNXCmh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0D821F00A3C; Wed, 27 May 2026 01:30:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779845413; bh=0ydQFosR+nLRxDjYae3CHk11toZXFY6axBJHsyfLZqI=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=PrCNXCmhXXZIwUoOO2qOEbuyZxPMS96lwGYMiZdXEM01TaPuoH6aJAx9sKlg+Q+lR HSg2ZSXZnh7O1GXCrD/7dRPqk1I19QIEce+u/V07ZzxPmDhrBrqc8LRzN3d9gJLkAZ c0fvJ5Fm1A1wPMKjRfleweKOw3qMVXBvQ/SdQv0fOgHK/do9BI+ImwgelbVNOyD8xE tRvcR69ssR9Qj0wNIJq94f/SIoI9IpgLgodWgHN8flL7QxuvYGDb0sPVB8+eVg7nL5 x+aRc/Ga8LCzggqawLoSHynOqsk0HKJ7sWzul/QmCc75DT1f5SO2knjes4UhHVpG5c tCARGsga3VPIA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0A37380CEED; Wed, 27 May 2026 01:30:20 +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] vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177984541939.4041297.1723728768792340106.git-patchwork-notify@kernel.org> Date: Wed, 27 May 2026 01:30:19 +0000 References: <20260525203642.2389723-1-edumazet@google.com> In-Reply-To: <20260525203642.2389723-1-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, sbrivio@redhat.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 25 May 2026 20:36:42 +0000 you wrote: > skb_tunnel_check_pmtu() can change skb->head. > > Reusing old_iph afer skb_tunnel_check_pmtu() can cause an UAF. > > Use instead ip_hdr(skb) as done in drivers/net/bareudp.c > and drivers/net/geneve.c. > > [...] Here is the summary with links: - [net] vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu() https://git.kernel.org/netdev/net/c/7d9ef0cb2715 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html