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 C3AEF8462 for ; Sat, 2 Aug 2025 00:14:00 +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=1754093640; cv=none; b=cc8hyjL3eQwELq/8oKAji57YIfxqK+9XUbITYaElNlcLhDW2E9EsGTuVk5DOSzFmCbyipIiv4QTmMnCma0F00V4iV688ssf3lqE28H8+XIZyZd6o298/oGjwtxvde0FX9xGkHnsrTiM6dipQrWDyoP8aHBuhCXOLYYWn32Hiazs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754093640; c=relaxed/simple; bh=75dxUvwP9/+iE/3p6MG/G4IjbNW+embV3cKW5mInJLo=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Ij1AyI1oX9NG0fVyDlVfemtsLyRdIxjoOXylq1UtyiBMmeDz2NNFd8Vh+H6MnAL7nPsLzzQ00v9bHjgmR8RzFmIfL8a108SDfJzcqx3sJL2pqLu9WjpPxus5onP0AqwshScgnv26MGDBBZbDe+XlukrT0XKSa1pOuqnT80u+sGk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mWQT0F8D; 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="mWQT0F8D" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49383C4CEEB; Sat, 2 Aug 2025 00:14:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754093640; bh=75dxUvwP9/+iE/3p6MG/G4IjbNW+embV3cKW5mInJLo=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=mWQT0F8DVQzyr2zYCh/FQmKyRBLsG4ijVvRISUtpJDEoNh6E1H/Z6wgr5oQjuEJr5 ZF4OK8tTEfHc+JU612aMuP0BD5AtNjkldRaxDFHG4euKixxDswCBILbAvv7T0LM5Kn JXrZSQ//54cW7ZMfGE3ymH6k+Iddr3UYYSc/yYjttjAnfjzSw74bhIwoHzCyxsIvrB p+VB3mxsLimWMW3VUvdSuaA7Zs1Hha6g/1w1PomQSW+sk3mPo05YC10xtKgyd2Iy/E IcX5aTRLzhx8wiXU+AkxIwFK5qxonxXuA2EEqv+Ln41iuctUDm2ZsZLVXJO2aYtw/m rCrJQzr0d99FQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id ADCBC383BF56; Sat, 2 Aug 2025 00:14:16 +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: reject malicious packets in ipv6_gso_segment() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <175409365524.4093813.15382360985962016435.git-patchwork-notify@kernel.org> Date: Sat, 02 Aug 2025 00:14:15 +0000 References: <20250730131738.3385939-1-edumazet@google.com> In-Reply-To: <20250730131738.3385939-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, willemb@google.com, dsahern@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com, syzbot+af43e647fd835acc02df@syzkaller.appspotmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 30 Jul 2025 13:17:38 +0000 you wrote: > syzbot was able to craft a packet with very long IPv6 extension headers > leading to an overflow of skb->transport_header. > > This 16bit field has a limited range. > > Add skb_reset_transport_header_careful() helper and use it > from ipv6_gso_segment() > > [...] Here is the summary with links: - [net] ipv6: reject malicious packets in ipv6_gso_segment() https://git.kernel.org/netdev/net/c/d45cf1e7d718 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html