File php-CVE-2017-9228.patch of Package php7.16741

--- a/ext/mbstring/oniguruma/regparse.c
+++ b/ext/mbstring/oniguruma/regparse.c
@@ -4068,7 +4068,9 @@ next_state_class(CClassNode* cc, OnigCodePoint* vs, enum CCVALTYPE* type,
     }
   }
 
-  *state = CCS_VALUE;
+  if (*state != CCS_START)
+    *state = CCS_VALUE;
+
   *type  = CCV_CLASS;
   return 0;
 }