Zero out stack allocated zvals before using them, protected against unexpected behavior

Sean-Der · Sean-Der · commit daa4d9f23eab · 2015-09-09T00:35:19.000Z
diff --git a/redis.c b/redis.c
@@ -3099,6 +3099,7 @@ redis_build_eval_cmd(RedisSock *redis_sock, char **ret, char *keyword,
                 char *key, *old_cmd;
                 int key_free;
                 size_t key_len;
+				ZVAL_UNDEF(&z_tmp);
 
                 if(Z_TYPE_P(elem) == IS_STRING) {
                     key = Z_STRVAL_P(elem);
diff --git a/redis_commands.c b/redis_commands.c
@@ -1919,6 +1919,7 @@ int redis_pfcount_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock,
 	size_t key_len;
     char *key;
     short kslot=-1;
+	ZVAL_UNDEF(&z_tmp);
 
     if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,"z",&z_keys)==FAILURE) {
         return FAILURE;
