test_thread_echo_tcp_connect
test_thread_echo_tcp_write_read
test_thread_echo_tcp_sendmsg_recvmsg
- test_thread_echo_udp_send_recv)
+ test_thread_echo_udp_send_recv
+ test_tcp_socket_overwrite)
if (HAVE_STRUCT_MSGHDR_MSG_CONTROL)
set(SWRAP_TESTS ${SWRAP_TESTS} test_sendmsg_recvmsg_fd)
--- /dev/null
+#include "torture.h"
+
+#include <cmocka.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <errno.h>
+
+static int setup(void **state)
+{
+ torture_setup_socket_dir(state);
+
+ return 0;
+}
+
+static int teardown(void **state)
+{
+ torture_teardown_socket_dir(state);
+
+ return 0;
+}
+
+static void test_tcp_socket_overwrite(void **state)
+{
+ struct torture_address addr_in = {
+ .sa_socklen = sizeof(struct sockaddr_in),
+ };
+
+ int s, dup_s, new_s, rc;
+
+ (void) state; /* unused */
+
+ s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ assert_int_not_equal(s, -1);
+
+ dup_s = dup(s);
+ assert_int_not_equal(dup_s, -1);
+
+ close(dup_s);
+
+ new_s = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
+ assert_int_not_equal(new_s, -1);
+
+ close(new_s);
+
+ addr_in = (struct torture_address) {
+ .sa_socklen = sizeof(struct sockaddr_in),
+ .sa.in = (struct sockaddr_in) {
+ .sin_family = AF_INET,
+ },
+ };
+
+ rc = inet_pton(AF_INET, "127.0.0.20", &addr_in.sa.in.sin_addr);
+ assert_int_equal(rc, 1);
+
+ /* bind should fail during socklen check if old socket info
+ * is overwritten by new socket info */
+ rc = bind(s, &addr_in.sa.s, addr_in.sa_socklen);
+ assert_return_code(rc, errno);
+
+ close(s);
+}
+
+int main(void) {
+ int rc;
+
+ const struct CMUnitTest tcp_socket_overwrite_tests[] = {
+ cmocka_unit_test(test_tcp_socket_overwrite),
+ };
+
+ rc = cmocka_run_group_tests(tcp_socket_overwrite_tests,
+ setup, teardown);
+
+ return rc;
+}