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 D7BA73002A0 for ; Thu, 2 Apr 2026 15:40:31 +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=1775144431; cv=none; b=bxy1FjcuYqa7zGdtiXbQ+qE51VKH/EdTHPpb1ysIsnBOamTzw8I7MnDQUHp87lUDmYYCkAh6oplxeW9vvtBM9HP06SVYLYqYDnactXfe9EX09B71XsBtzcOZScxbZTj/XxNexjFpCR6N+IJ71qbjkFJRvVdyzJrZUb5J2Kbp9so= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775144431; c=relaxed/simple; bh=Oug5ivCVBn4PmdMOx6RZF32twK4qEyJI4QZkd2FuICA=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=jPKjbQd6cqs2YYniu2KJlbWt/C3ll35CUFcTvVbetM1pp9RL8ZNrhfAbFfYDMFVWsrPTnFgkqJ2zD6CLlqSGHa60pg9uxtPwA6vwCjcYv4An+K09lHSZHR9s19gRXrr6O8cmPg9+gxK/AmXALBIlKOGTSmJyOamJkVhkZerl14w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PEDIAWH/; 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="PEDIAWH/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D29BC19424; Thu, 2 Apr 2026 15:40:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775144431; bh=Oug5ivCVBn4PmdMOx6RZF32twK4qEyJI4QZkd2FuICA=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=PEDIAWH/9pkW3KCjf+TkCV/WvhEwRX9TQAnprIuP58SIrKMA+MWM1jg58n2+H/9Ee Wg1cxYSgDQDVONeezbpyE4e/6QHunNpo9BEHurk39WX2cVF0KfIFcna+7Cl6TqKFtn Xwc3Jhm3Du8b9Lc0Y7jfyDV2on9nVprzyY/IkygtKEHuQbR62A4WNbaTfWGyVdbnxl 32z9/vEIuiozOtiNnwRlzOA2zySkRYKHD12fBndL/75DVgwyQoqLJmBtYawdFzvJpQ vh1DFY+EtsGG64vAEFAS2XU8BSiNUa0VtG8DxpE2DbrtP4/dOBJTvoXo16UVBwPovP 5Z3HA1ZnoHe1g== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id B9D7D3809A05; Thu, 2 Apr 2026 15:40:14 +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: avoid overflows in ip6_datagram_send_ctl() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177514441328.499423.7535697117190470967.git-patchwork-notify@kernel.org> Date: Thu, 02 Apr 2026 15:40:13 +0000 References: <20260401154721.3740056-1-edumazet@google.com> In-Reply-To: <20260401154721.3740056-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, dsahern@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com, yimingqian591@gmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 1 Apr 2026 15:47:21 +0000 you wrote: > Yiming Qian reported : > > I believe I found a locally triggerable kernel bug in the IPv6 sendmsg > ancillary-data path that can panic the kernel via `skb_under_panic()` > (local DoS). > > The core issue is a mismatch between: > > [...] Here is the summary with links: - [net] ipv6: avoid overflows in ip6_datagram_send_ctl() https://git.kernel.org/netdev/net/c/4e453375561f You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html