diff -Naur bacula-9.0.0.old/src/lib/message.c bacula-9.0.0/src/lib/message.c
--- bacula-9.0.0.old/src/lib/message.c	2017-07-10 08:52:38.928834471 +0200
+++ bacula-9.0.0/src/lib/message.c	2017-07-10 09:04:34.923403834 +0200
@@ -28,6 +28,7 @@
  *
  */
 
+#include <assert.h>
 #include "bacula.h"
 #include "jcr.h"
 
@@ -1367,7 +1368,8 @@
 
     if (type == M_ABORT) {
        char *p = 0;
-       p[0] = 0;                      /* generate segmentation violation */
+       // p[0] = 0;                      /* generate segmentation violation */
+       assert(p!=NULL);
     }
     if (type == M_ERROR_TERM) {
        exit(1);