From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794347191; b=L5L3QwHzoupw/RO4U3MqMfpRWqO9HuHfh8opqe2qFR0fLeJk80GvzyADxtDpQQY2oXkb UV6TDleGKzONTUhcvN3qT8K0qCAoosg4EkJtLlzvo2YM7x44MrFQn82bv/JR4Akpwljkk VmfCLv8wj/6507qI5mK5sec6+IIv/ZcRiSr2dTEvt3kILS3VcjlwVKztfV7zWjLoKkjEO 2Q/rzEfZgRawOZI0XeV18TKqL5l6aKxiGuYlvmaX0Ba+Mp6/LVAF0JWctfp5HlH8WJ1cp 49P36yZvPoFkA1LBNel8XzHNTjQcy/HvwGzZ1/OEK5cmnqeg/nmdrgRitdwQuxPM8CA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794347191; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=6FZ7eMvY8oN74+MoaJPVq5/MbdbF04OhfLtGkmr49Z0=; b=RsUrA3+Aut4GIkS1lkNSVrPh7kioaRvcLrPIcJhbSQ0sRvKjiAnagEWxDKSSj/LXjhPR 1ncoFndY5voEHSYiJdDGFDMZj1RdCu2L0SDiaX0G1+vgLbMPv57YwvUyj54ebuXyscqjF YJOuCd+X2ibe6PwquP3sy8k3hK+ZOxYRoRu7FvKw5b4HvhDVCrhFwWoRwaOvOI8u05qBe 5QcE4xeCePUVlf+AnOO6KAs53s4OYRWqR8vLCbRxYaQVtno0Bi4hJ8XkuRJyQ8LTnPSDK uuL7/yAjEQqugeSotOYKr+jxFAnTihtWPLWpXAw8ZsBdnwytbXrelPMDnEoVMAdfLwA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=MUqyUj+X; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E08C606A321 for ; Tue, 10 Nov 2026 21:46:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=MUqyUj+X Received: by smtp.kernel.org (Postfix) with ESMTPSA id 187421F0089F; Tue, 10 Nov 2026 21:46:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794347191; bh=6FZ7eMvY8oN74+MoaJPVq5/MbdbF04OhfLtGkmr49Z0=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=MUqyUj+XAOmJA0DB6k9wwJtpYOH4qg5dpRdkEF1RIq7AXOSu7uLxSsykMtjRinp+K zPrYRmSem8BuUFuWMep8T7UqIpP+qm4awJayMLrWLxur3EZ5PbNO0+hKqwQ/bbxHd7 jNU13vYAi44xxCSNlL7vYgauUDBt88dOuQ4+Mhek/R8xLQGzbYknBjidS77BOB853k WRbxal+QFO2uB8sW/CviqICDjo5GtAaFh3Mx8sM7kTecv69kNA1ZIbMSxiItm4G7JG fQvm027ZpYfbEK7meBOcU/AHnEeWVqwwW7BPefSaNmGLtMZyqeZrTI3hGd7S8tIosv jlltheLc8eaTQ== Date: Tue, 10 Nov 2026 13:46:30 -0800 From: Jakub Kicinski To: "=?UTF-8?B?dGVuY2VudG9zX3NlY3VyZQ==?=(=?UTF-8?B?VGVuY2VudE9T5a6J5YWo?= =?UTF-8?B?5YWs5YWx6YKu566x?=)" Cc: netdev@vger.kernel.org, David Ahern , Ido Schimmel , Paolo Abeni , Willem de Bruijn , Willem de Bruijn , Steffen Klassert , steffen.klassert@secunet.com, Eric Dumazet Subject: Re: [PATCH net v2 2/2] net/ipv4: reject appends with negative fragment copy Message-ID: <20261110134630.13c5af31@kernel.org> In-Reply-To: <306E09760B4212AC+ipv4.6d58afc075934322860394a26ceaa2e8.2@tencent.com> References: <306E09760B4212AC+ipv4.6d58afc075934322860394a26ceaa2e8.2@tencent.com> X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Thu, 05 Nov 2026 15:34:36 +0800 tencentos_secure(TencentOS=E5=AE=89=E5=85=A8=E5=85=AC=E5=85=B1=E9=82=AE=E7= =AE=B1) wrote: > __ip_append_data() caps datalen at maxfraglen - fragheaderlen when more > fragments are needed, and later computes This series was incorrectly formatted, please rebase and repost.