src/rrd_tune.c: fix Coverity CID#32430 Uninitialized pointer read

        CWE-457 / https://cwe.mitre.org/data/definitions/457.html

diff --git a/src/rrd_tune.c b/src/rrd_tune.c
index a9f05ba947cbbe6a36645c05a4fcc5b50784b05f..47163c286915b557256d57e439a1a19bc0a13ca4 100644 (file)
--- a/src/rrd_tune.c
+++ b/src/rrd_tune.c
@@ -116,6 +116,9 @@ int rrd_tune(
     struct optparse options;
     int opt;
 
+    /* Fix CWE-457 */
+    memset(&rrd, 0, sizeof(rrd_t));
+
     /* before we open the input RRD, we should flush it from any caching
     daemon, because we might totally rewrite it later on */