Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
  NEWS
  Patch from the upstream git kkos/oniguruma#60 (CVE-2017-9228)
  Patch from the upstream git kkos/oniguruma#59 (CVE-2017-9229) b690371bbf97794b4a1d3f295d4fb9a8b05d402d Modified for onig 5.9.6
  Patch from the upstream git kkos/oniguruma#58 (CVE-2017-9227)
  Patch from the upstream git kkos/oniguruma#57 (CVE-2017-9224)
  Patch from the upstream git kkos/oniguruma#55 (CVE-2017-9226) b4bf968ad52afe14e60a2dc8a95d3555c543353a Modified for onig 5.9.6 f015fbdd95f76438cd86366467bb2b39870dd7c6 Modified for onig 5.9.6

Author: remicollet

ext/mbstring/oniguruma/regexec.c

@@ -1425,14 +1425,9 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
       break;
 
     case OP_EXACT1:  MOP_IN(OP_EXACT1);
-#if 0
       DATA_ENSURE(1);
       if (*p != *s) goto fail;
       p++; s++;
-#endif
-      if (*p != *s++) goto fail;
-      DATA_ENSURE(0);
-      p++;
       MOP_OUT;
       break;
 
@@ -3128,6 +3123,8 @@ forward_search_range(regex_t* reg, const UChar* str, const UChar* end, UChar* s,
     }
     else {
       UChar *q = p + reg->dmin;
+
+      if (q >= end) return 0; /* fail */
       while (p < q) p += enclen(reg->enc, p);
     }
   }
@@ -3208,7 +3205,13 @@ forward_search_range(regex_t* reg, const UChar* str, const UChar* end, UChar* s,
     else {
       if (reg->dmax != ONIG_INFINITE_DISTANCE) {
 	*low = p - reg->dmax;
-	if (*low > s) {
+	if (p - str < reg->dmax) {
+	  *low = (UChar* )str;
+	  if (low_prev)
+	    *low_prev = onigenc_get_prev_char_head(reg->enc, str, *low);
+	}
+	else {
+ 	if (*low > s) {
 	  *low = onigenc_get_right_adjust_char_head_with_prev(reg->enc, s,
 							      *low, (const UChar** )low_prev);
 	  if (low_prev && IS_NULL(*low_prev))
@@ -3221,6 +3224,7 @@ forward_search_range(regex_t* reg, const UChar* str, const UChar* end, UChar* s,
 					       (pprev ? pprev : str), *low);
 	}
       }
+      }
     }
     /* no needs to adjust *high, *high is used as range check only */
     *high = p - reg->dmin;

ext/mbstring/oniguruma/regparse.c

@@ -3064,7 +3064,7 @@ fetch_token_in_cc(OnigToken* tok, UChar** src, UChar* end, ScanEnv* env)
 	PUNFETCH;
 	prev = p;
 	num = scan_unsigned_octal_number(&p, end, 3, enc);
-	if (num < 0) return ONIGERR_TOO_BIG_NUMBER;
+	if (num < 0 || num >= 256) return ONIGERR_TOO_BIG_NUMBER;
 	if (p == prev) {  /* can't read nothing. */
 	  num = 0; /* but, it's not error */
 	}
@@ -3436,7 +3436,7 @@ fetch_token(OnigToken* tok, UChar** src, UChar* end, ScanEnv* env)
       if (IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_OCTAL3)) {
 	prev = p;
 	num = scan_unsigned_octal_number(&p, end, (c == '0' ? 2:3), enc);
-	if (num < 0) return ONIGERR_TOO_BIG_NUMBER;
+	if (num < 0 || num >= 256) return ONIGERR_TOO_BIG_NUMBER;
 	if (p == prev) {  /* can't read nothing. */
 	  num = 0; /* but, it's not error */
 	}
@@ -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;
 }
@@ -4084,7 +4086,11 @@ next_state_val(CClassNode* cc, OnigCodePoint *vs, OnigCodePoint v,
   switch (*state) {
   case CCS_VALUE:
     if (*type == CCV_SB)
+    {
+    if (*vs > 0xff)
+      return ONIGERR_INVALID_CODE_POINT_VALUE;
       BITSET_SET_BIT(cc->bs, (int )(*vs));
+    }
     else if (*type == CCV_CODE_POINT) {
       r = add_code_range(&(cc->mbuf), env, *vs, *vs);
       if (r < 0) return r;