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[82.53.134.58]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47f42907141sm355976705e9.9.2026.01.21.01.36.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jan 2026 01:36:40 -0800 (PST) From: Stefano Garzarella To: netdev@vger.kernel.org Cc: Simon Horman , Eric Dumazet , "Michael S. Tsirkin" , Arseniy Krasnov , "David S. Miller" , Stefano Garzarella , virtualization@lists.linux.dev, Paolo Abeni , Jakub Kicinski , Stefan Hajnoczi , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Claudio Imbrenda , Jason Wang , Xuan Zhuo , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Asias He Subject: [PATCH net v6 2/4] vsock/test: fix seqpacket message bounds test Date: Wed, 21 Jan 2026 10:36:26 +0100 Message-ID: <20260121093628.9941-3-sgarzare@redhat.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260121093628.9941-1-sgarzare@redhat.com> References: <20260121093628.9941-1-sgarzare@redhat.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Stefano Garzarella The test requires the sender (client) to send all messages before waking up the receiver (server). Since virtio-vsock had a bug and did not respect the size of the TX buffer, this test worked, but now that we are going to fix the bug, the test hangs because the sender would fill the TX buffer before waking up the receiver. Set the buffer size in the sender (client) as well, as we already do for the receiver (server). Fixes: 5c338112e48a ("test/vsock: rework message bounds test") Signed-off-by: Stefano Garzarella --- tools/testing/vsock/vsock_test.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c index 27e39354499a..668fbe9eb3cc 100644 --- a/tools/testing/vsock/vsock_test.c +++ b/tools/testing/vsock/vsock_test.c @@ -351,6 +351,7 @@ static void test_stream_msg_peek_server(const struct test_opts *opts) static void test_seqpacket_msg_bounds_client(const struct test_opts *opts) { + unsigned long long sock_buf_size; unsigned long curr_hash; size_t max_msg_size; int page_size; @@ -363,6 +364,16 @@ static void test_seqpacket_msg_bounds_client(const struct test_opts *opts) exit(EXIT_FAILURE); } + sock_buf_size = SOCK_BUF_SIZE; + + setsockopt_ull_check(fd, AF_VSOCK, SO_VM_SOCKETS_BUFFER_MAX_SIZE, + sock_buf_size, + "setsockopt(SO_VM_SOCKETS_BUFFER_MAX_SIZE)"); + + setsockopt_ull_check(fd, AF_VSOCK, SO_VM_SOCKETS_BUFFER_SIZE, + sock_buf_size, + "setsockopt(SO_VM_SOCKETS_BUFFER_SIZE)"); + /* Wait, until receiver sets buffer size. */ control_expectln("SRVREADY"); -- 2.52.0