diff -Naur bacula-11.0.0.old/src/lib/message.c bacula-11.0.0/src/lib/message.c

--- bacula-11.0.0.old/src/lib/message.c	2021-01-12 12:36:32.630470094 +0100

+++ bacula-11.0.0/src/lib/message.c	2021-01-12 12:39:42.477945569 +0100

@@ -28,6 +28,7 @@

  *

  */

+#include <assert.h>

 #include "bacula.h"

 #include "jcr.h"

@@ -1476,7 +1477,8 @@

     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);