Fix: possible load config domain overwrite

[lttng-tools.git] / src / common / config / config.c

diff --git a/src/common/config/config.c b/src/common/config/config.c
index 5e100a7ab6c9c6e66848f5010acc711ffba51b8d..4eaa274e82ce9e24d7f06d29c0c73ba8a80793d4 100644 (file)
--- a/src/common/config/config.c
+++ b/src/common/config/config.c
@@ -2198,12 +2198,24 @@ int process_session_node(xmlNodePtr session_node, const char *session_name,
 
                switch (domain->type) {
                case LTTNG_DOMAIN_KERNEL:
+                       if (kernel_domain) {
+                               /* Same domain seen twice, invalid! */
+                               goto domain_init_error;
+                       }
                        kernel_domain = domain;
                        break;
                case LTTNG_DOMAIN_UST:
+                       if (ust_domain) {
+                               /* Same domain seen twice, invalid! */
+                               goto domain_init_error;
+                       }
                        ust_domain = domain;
                        break;
                case LTTNG_DOMAIN_JUL:
+                       if (jul_domain) {
+                               /* Same domain seen twice, invalid! */
+                               goto domain_init_error;
+                       }
                        jul_domain = domain;
                        break;
                default: