fix invalid read

diff --git a/php_http_info.c b/php_http_info.c
index 66007bf33d32edac36520a9a657235807da4e9af..88025ccb6e5b6d2f87f019703fe40f4bb40fa575 100644 (file)
--- a/php_http_info.c
+++ b/php_http_info.c
@@ -93,7 +93,7 @@ php_http_info_t *php_http_info_parse(php_http_info_t *info, const char *pre_head
                const char *status = NULL, *code = http + sizeof("HTTP/X.x");
                
                info->type = PHP_HTTP_RESPONSE;
-               while (' ' == *code) ++code;
+               while (code < end && ' ' == *code) ++code;
                if (code && end > code) {
                        /* rfc7230#3.1.2 The status-code element is a 3-digit integer code */
                        PHP_HTTP_INFO(info).response.code = 100*(*code++ - '0');