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 0E1C4307481 for ; Tue, 1 Sep 2026 01:11:14 +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=1788225076; cv=none; b=O44LcPrVE+yKodZt3ctS6loeXGfbNIZCbqKW95WAh0WQ0sNHYTOyUlkFwMtNPvEPazwnvUm+7qyYDBR7onXU0QT5SyPpYVe9TaKb/TBjUVjOKYvBuHmcsNPDHgahl3HEmaBnUPhebLZxXqIl1QbZgDyK1x9pti9LzBE6CiRuQt4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788225076; c=relaxed/simple; bh=Ff9EVK2+wOh0J+86204enxXHdiYhjRE/02PmCUxigK0=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=rUOBCopanWjN+3FjOiG3mfml6jP33OgTYbmVcyZ1X9Ud43rQSVq7yPKnz9zHjEy0LmIoykze+WNH1xm3TZwVhN7RpEJ7UpNinKPyBUPW6SSCaExJmnh5kvtjPQpaoSMKMihIcgGzw5F2YHvyMfUuFmaJCrvlBNqOBuuL0m+uOS8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HPNVIfqT; 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="HPNVIfqT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2C061F00A3D; Tue, 1 Sep 2026 01:11:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788225073; bh=h85wkjH80bMVeJnMCvpmBS5OsfqvSKZxoYCYVGJUq+Q=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=HPNVIfqTRTHnJ3errNJQPn+lyFPIsY99LwaWrSSRdVUJAIOiF1FSvMiAPIXxBRlgD cA/92MGFgTj8Uk1/ooO/Tu1XvqAZR3izdJzbshRPRgYK/MClosE+qrzxuhkNy+9vEJ 8dw0il4SWakuXMvCk7jLIJ1IVMTRMvFAjXJ5J5bh7xPDf/PQ2Y9RpqozqjyBEUXZr6 wwaF1PyoO1xwfzjf6oaRz9iiY8ismTl9z9LDs0iqdp/C0wnd+jQXtjW3/wNFUogVsA EV9uiuqHeJDHTCjWpvnOLVA/wK1pDmZT4oAI/xF0UkfxyTcp47RKAX2ksX6LRPNega GA8VINOjEKwww== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0A2D3924A40; Tue, 1 Sep 2026 01:10:17 +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] ip6_gre: check tunnel info before xmit in ip6gre_tunnel_xmit From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178822501639.865139.5430949835495837120.git-patchwork-notify@kernel.org> Date: Tue, 01 Sep 2026 01:10:16 +0000 References: <20260828103731.1951815-1-edumazet@google.com> In-Reply-To: <20260828103731.1951815-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, idosch@nvidia.com, dsahern@kernel.org, horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com, shuangpeng.kernel@gmail.com, dcaratti@redhat.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 28 Aug 2026 10:37:31 +0000 you wrote: > Shuangpeng Bai reported a KASAN slab-use-after-free in > ip6gre_tunnel_xmit(). > > The precise KASAN bug was caused by ip6_tnl_xmit() consuming the > skb during headroom expansion and returning an error, while > ip6gre_tunnel_xmit() still held the stale pointer and called > skb_tunnel_info_txcheck(skb) at tx_err. That specific bug was fixed by > commit 87f21b59ddc6 ("ip6_tunnel: use skb_cow_head() in ip6_tnl_xmit()"). > > [...] Here is the summary with links: - [net] ip6_gre: check tunnel info before xmit in ip6gre_tunnel_xmit https://git.kernel.org/netdev/net/c/97cc84dad1d7 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html