Fix: getgrnam is not MT-Safe, use getgrnam_r

[lttng-tools.git] / src / bin / lttng-sessiond / health.c

diff --git a/src/bin/lttng-sessiond/health.c b/src/bin/lttng-sessiond/health.c
index 921b45261846cb79d62b71d13503478ce10d240c..9474a8560a7b540fd3bb22284300cee6f64c28be 100644 (file)
--- a/src/bin/lttng-sessiond/health.c
+++ b/src/bin/lttng-sessiond/health.c
@@ -95,8 +95,15 @@ static void *thread_manage_health(void *data)
 
        if (is_root) {
                /* lttng health client socket path permissions */
-               ret = chown(config.health_unix_sock_path.value, 0,
-                               utils_get_group_id(config.tracing_group_name.value));
+               gid_t gid;
+
+               ret = utils_get_group_id(config.tracing_group_name.value, true, &gid);
+               if (ret) {
+                       /* Default to root group. */
+                       gid = 0;
+               }
+
+               ret = chown(config.health_unix_sock_path.value, 0, gid);
                if (ret < 0) {
                        ERR("Unable to set group on %s", config.health_unix_sock_path.value);
                        PERROR("chown");