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([2620:10d:c092:600::1:b123]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-38fb30a47b7sm2756566a91.11.2026.08.02.05.25.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 02 Aug 2026 05:26:06 -0700 (PDT) Message-ID: <1ca28022-bc61-423b-b001-477b2ed626ca@gmail.com> Date: Sun, 2 Aug 2026 13:25:59 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net v1 3/3] net: tcp: block standard payload injection into devmem skbs To: Mina Almasry Cc: Stanislav Fomichev , Bobby Eshleman , Eric Dumazet , Neal Cardwell , Kuniyuki Iwashima , "David S. Miller" , Jakub Kicinski , Paolo Abeni , Simon Horman , Kaiyuan Zhang , "open list:NETWORKING [TCP]" , open list References: <20260801125308.1342897-1-almasrymina@google.com> <20260801125308.1342897-3-almasrymina@google.com> Content-Language: en-US From: Pavel Begunkov In-Reply-To: <20260801125308.1342897-3-almasrymina@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 8/1/26 13:52, Mina Almasry wrote: > Protect tcp_sendmsg_locked() from mistakenly appending non-zerocopy > page fragments to unreadable devmem skbs. Create a new segment instead. Reviewed-by: Pavel Begunkov -- Pavel Begunkov