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Thu, 01 Oct 2026 07:32:34 -0700 (PDT) From: Daehyeon Ko <4ncienth@gmail.com> To: netdev-bot+sinfo@kernel.org Cc: stefanha@redhat.com, sgarzare@redhat.com, mst@redhat.com, jasowangio@gmail.com, eperezma@redhat.com, xuanzhuo@linux.alibaba.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, virtualization@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] vsock: account only unread bytes in read_skb() Date: Thu, 1 Oct 2026 23:32:21 +0900 Message-ID: <20261001143221.3856511-1-4ncienth@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <179085716831.31693.13222203434770065965@kernel.org> References: <20261001121541.2983379-1-4ncienth@gmail.com> <179085716831.31693.13222203434770065965@kernel.org> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Thanks. I found this during an LLM-assisted manual source audit of VSOCK receive accounting while re-evaluating virtio_transport_read_skb() after CVE-2024-50169. I then confirmed it on vulnerable and fixed kernels using a connected CID_LOCAL stream and a real SK_SKB/SOCKMAP verdict path. Thanks, Daehyeon