execute_external_filter(): Assert that the buffer for the filter output is large...

diff --git a/filters.c b/filters.c
index 6b25fc5..55fdc3d 100644 (file)
--- a/filters.c
+++ b/filters.c
@@ -1,4 +1,4 @@
-const char filters_rcs[] = "$Id: filters.c,v 1.193 2015/08/12 10:34:21 fabiankeil Exp $";
+const char filters_rcs[] = "$Id: filters.c,v 1.194 2015/08/21 10:58:53 fabiankeil Exp $";
 /*********************************************************************
  *
  * File        :  $Source: /cvsroot/ijbswa/current/filters.c,v $
@@ -1897,6 +1897,7 @@ static char *execute_external_filter(const struct client_state *csp,
          }
          filter_output = p;
       }
+      assert(new_size + READ_LENGTH < *size);
       len = fread(&filter_output[new_size], 1, READ_LENGTH, fp);
       if (len > 0)
       {