diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 324175701f..1ef218176d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+1998-12-03  Jason Molenda  (jsm@bugshack.cygnus.com)
+
+        * monitor.c (monitor_read_memory): Zero out pattern buffers
+        before calling re_search.
+        (parse_register_dump): Ditto.
 
 Thu Dec  3 10:37:22 EST 1998  Zdenek Radouch   (radouch@cygnus.com)
 
@@ -5,7 +10,6 @@ Thu Dec  3 10:37:22 EST 1998  Zdenek Radouch   (radouch@cygnus.com)
 	* configure.tgt
 	* fr30-tdep.c
 	* config/fr30/tm-fr30.h
-
 	
 Thu Dec  3 16:30:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 
diff --git a/gdb/monitor.c b/gdb/monitor.c
index 60cfc143e7..ddd24c25a9 100644
--- a/gdb/monitor.c
+++ b/gdb/monitor.c
@@ -847,6 +847,8 @@ parse_register_dump (buf, len)
 	 points to the start of the register value.  */
       struct re_registers register_strings;
 
+      memset (&register_strings, 0, sizeof (struct re_registers));
+
       if (re_search (&register_pattern, buf, len, 0, len,
 		     &register_strings) == -1)
 	break;
@@ -1759,6 +1761,7 @@ monitor_read_memory (memaddr, myaddr, len)
       struct re_registers resp_strings;
       RDEBUG(("MON getmem.resp_delim %s\n",current_monitor->getmem.resp_delim)) ;
 
+      memset (&resp_strings, 0, sizeof (struct re_registers));
       tmp = strlen (p);
       retval = re_search (&getmem_resp_delim_pattern, p, tmp, 0, tmp,
 			  &resp_strings);