diff --git a/src/client.c b/src/client.c
index bf3973e..b6de009 100644
--- a/src/client.c
+++ b/src/client.c
@@ -316,7 +316,7 @@ int client_request_needs_reply( struct client * client,
 				"after an entrust message.");
 		/* check it's not out of range */
 		if ( request.from+request.len > client->serve->size) {
-			debug("request read %llx+%ld out of range", 
+			debug("request read %d+%d out of range",
 			  request.from, 
 			  request.len
 			);
@@ -435,7 +435,7 @@ void client_reply( struct client* client, struct nbd_request request )
 /* Returns 0 if we should continue trying to serve requests */
 int client_serve_request(struct client* client)
 {
-	struct nbd_request    request;
+	struct nbd_request    request = {0};
 	int                   failure = 1;
 	int                   disconnected = 0;
 
diff --git a/src/util.c b/src/util.c
index f6fd4b8..cf7c4f6 100644
--- a/src/util.c
+++ b/src/util.c
@@ -44,6 +44,8 @@ void exit_err( const char *msg )
 void mylog(int line_level, const char* format, ...)
 {
 	va_list argptr;
+	char * format_n = NULL;
+	int format_len;
 
 	
 	if (line_level < log_level) { return; }
@@ -52,9 +54,9 @@ void mylog(int line_level, const char* format, ...)
 	 * and avoid a second fprintf. This stops log lines from getting
 	 * interleaved.
 	 */
-	int format_len = strlen( format );
-	char *format_n = xmalloc( format_len + 2 );
-	memcpy( format_n, format, format_len );
+	format_len = strlen( format );
+	format_n = xmalloc( format_len + 2 );
+	memcpy( format_n, format, format_len+1 );
 	format_n[format_len] = '\n';
 
 	va_start(argptr, format);