X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Flibcollectdclient%2Fnetwork_buffer.c;h=a0f8cfdc3cfa74ae36d9954ceb1955c993338770;hb=d544398864bc02dfd1623e6d005591b512e2f6c6;hp=662265d97996d309ef45391dab28079975d2fac6;hpb=4eca75de34e9c3d7f2391b9c7a5951a27a713804;p=collectd.git

diff --git a/src/libcollectdclient/network_buffer.c b/src/libcollectdclient/network_buffer.c
index 662265d9..a0f8cfdc 100644
--- a/src/libcollectdclient/network_buffer.c
+++ b/src/libcollectdclient/network_buffer.c
@@ -255,6 +255,10 @@ static double htond(double val) /* {{{ */
 
 static int nb_add_values(char **ret_buffer, /* {{{ */
                          size_t *ret_buffer_len, const lcc_value_list_t *vl) {
+  if ((vl == NULL) || (vl->values_len < 1)) {
+    return EINVAL;
+  }
+
   char *packet_ptr;
   size_t packet_len;