FS-10609: [mod_verto] Invalid pointer in verto channel #resolve

diff --git a/src/mod/endpoints/mod_verto/mod_verto.c b/src/mod/endpoints/mod_verto/mod_verto.c
index f7c94afd8b5cd356f1ca22e2a8e7bb1de930ad0f..299f1afe11f225f6589c5a14162f7a1944addaa5 100644 (file)
--- a/src/mod/endpoints/mod_verto/mod_verto.c
+++ b/src/mod/endpoints/mod_verto/mod_verto.c
@@ -3383,7 +3383,14 @@ static switch_bool_t verto__info_func(const char *method, cJSON *params, jsock_t
 
                        if ((dtmf = cJSON_GetObjectCstr(params, "dtmf"))) {
                                verto_pvt_t *tech_pvt = switch_core_session_get_private_class(session, SWITCH_PVT_SECONDARY);
-                               char *send = switch_mprintf("~%s", dtmf);
+                               char *send;
+
+                               if (!tech_pvt) {
+                                       cJSON_AddItemToObject(*response, "message", cJSON_CreateString("Invalid channel"));
+                                       err = 1; goto cleanup;
+                               }
+
+                               send = switch_mprintf("~%s", dtmf);
 
                                if (switch_channel_test_flag(tech_pvt->channel, CF_PROXY_MODE)) {
                                        switch_core_session_t *other_session = NULL;