FIx bug #70213

4 files changed, 535 insertions, 474 deletions

diff --git a/NEWS b/NEWS
index e957009839..0bb1e67723 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,10 @@ PHP                                                                        NEWS
   . Reverted fix for bug #73530	(Unsetting result set may reset other result
     set). (cmb)
 
+- Standard:
+  . Fixed bug #70213 (Unserialize context shared on double class lookup).
+    (Taoguang Chen)
+
 08 Dec 2016, PHP 5.6.29
 
 - Mbstring:
diff --git a/ext/standard/tests/serialize/bug70213.phpt b/ext/standard/tests/serialize/bug70213.phpt
new file mode 100644
index 0000000000..c01d362be0
--- /dev/null
+++ b/ext/standard/tests/serialize/bug70213.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Bug #70213: Unserialize context shared on double class lookup
+--FILE--
+<?php
+
+ini_set('unserialize_callback_func', 'evil');
+
+function evil() {
+	function __autoload($arg) {
+        var_dump(unserialize('R:1;'));
+    }
+}
+
+var_dump(unserialize('a:2:{i:0;i:42;i:1;O:4:"evil":0:{}}'));
+
+?>
+--EXPECTF--
+Notice: unserialize(): Error at offset 4 of 4 bytes in %s on line %d
+bool(false)
+
+Warning: unserialize(): Function evil() hasn't defined the class it was called for in %s on line %d
+array(2) {
+  [0]=>
+  int(42)
+  [1]=>
+  object(__PHP_Incomplete_Class)#1 (1) {
+    ["__PHP_Incomplete_Class_Name"]=>
+    string(4) "evil"
+  }
+}
diff --git a/ext/standard/var_unserializer.c b/ext/standard/var_unserializer.c
index 549149267e..584e98e275 100644
--- a/ext/standard/var_unserializer.c
+++ b/ext/standard/var_unserializer.c
@@ -1,4 +1,4 @@
-/* Generated by re2c 0.13.7.5 */
+/* Generated by re2c 0.16 */
 #line 1 "ext/standard/var_unserializer.re"
 /*
   +----------------------------------------------------------------------+
@@ -529,110 +529,505 @@ PHPAPI int php_var_unserialize(UNSERIALIZE_PARAMETER)
 		  0,   0,   0,   0,   0,   0,   0,   0, 
 		  0,   0,   0,   0,   0,   0,   0,   0, 
 	};
-
 	if ((YYLIMIT - YYCURSOR) < 7) YYFILL(7);
 	yych = *YYCURSOR;
 	switch (yych) {
 	case 'C':
-	case 'O':	goto yy13;
+	case 'O':	goto yy4;
 	case 'N':	goto yy5;
-	case 'R':	goto yy2;
-	case 'S':	goto yy10;
-	case 'a':	goto yy11;
-	case 'b':	goto yy6;
-	case 'd':	goto yy8;
-	case 'i':	goto yy7;
+	case 'R':	goto yy6;
+	case 'S':	goto yy7;
+	case 'a':	goto yy8;
+	case 'b':	goto yy9;
+	case 'd':	goto yy10;
+	case 'i':	goto yy11;
 	case 'o':	goto yy12;
-	case 'r':	goto yy4;
-	case 's':	goto yy9;
-	case '}':	goto yy14;
-	default:	goto yy16;
+	case 'r':	goto yy13;
+	case 's':	goto yy14;
+	case '}':	goto yy15;
+	default:	goto yy2;
 	}
 yy2:
-	yych = *(YYMARKER = ++YYCURSOR);
-	if (yych == ':') goto yy95;
+	++YYCURSOR;
 yy3:
-#line 861 "ext/standard/var_unserializer.re"
+#line 863 "ext/standard/var_unserializer.re"
 	{ return 0; }
-#line 558 "ext/standard/var_unserializer.c"
+#line 556 "ext/standard/var_unserializer.c"
 yy4:
 	yych = *(YYMARKER = ++YYCURSOR);
-	if (yych == ':') goto yy89;
+	if (yych == ':') goto yy17;
 	goto yy3;
 yy5:
 	yych = *++YYCURSOR;
-	if (yych == ';') goto yy87;
+	if (yych == ';') goto yy19;
 	goto yy3;
 yy6:
 	yych = *(YYMARKER = ++YYCURSOR);
-	if (yych == ':') goto yy83;
+	if (yych == ':') goto yy21;
 	goto yy3;
 yy7:
 	yych = *(YYMARKER = ++YYCURSOR);
-	if (yych == ':') goto yy77;
+	if (yych == ':') goto yy22;
 	goto yy3;
 yy8:
 	yych = *(YYMARKER = ++YYCURSOR);
-	if (yych == ':') goto yy53;
+	if (yych == ':') goto yy23;
 	goto yy3;
 yy9:
 	yych = *(YYMARKER = ++YYCURSOR);
-	if (yych == ':') goto yy46;
+	if (yych == ':') goto yy24;
 	goto yy3;
 yy10:
 	yych = *(YYMARKER = ++YYCURSOR);
-	if (yych == ':') goto yy39;
+	if (yych == ':') goto yy25;
 	goto yy3;
 yy11:
 	yych = *(YYMARKER = ++YYCURSOR);
-	if (yych == ':') goto yy32;
+	if (yych == ':') goto yy26;
 	goto yy3;
 yy12:
 	yych = *(YYMARKER = ++YYCURSOR);
-	if (yych == ':') goto yy25;
+	if (yych == ':') goto yy27;
 	goto yy3;
 yy13:
 	yych = *(YYMARKER = ++YYCURSOR);
-	if (yych == ':') goto yy17;
+	if (yych == ':') goto yy28;
 	goto yy3;
 yy14:
+	yych = *(YYMARKER = ++YYCURSOR);
+	if (yych == ':') goto yy29;
+	goto yy3;
+yy15:
 	++YYCURSOR;
-#line 855 "ext/standard/var_unserializer.re"
+#line 857 "ext/standard/var_unserializer.re"
 	{
 	/* this is the case where we have less data than planned */
 	php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Unexpected end of serialized data");
 	return 0; /* not sure if it should be 0 or 1 here? */
 }
-#line 607 "ext/standard/var_unserializer.c"
-yy16:
-	yych = *++YYCURSOR;
-	goto yy3;
+#line 609 "ext/standard/var_unserializer.c"
 yy17:
 	yych = *++YYCURSOR;
 	if (yybm[0+yych] & 128) {
-		goto yy20;
+		goto yy31;
 	}
-	if (yych == '+') goto yy19;
+	if (yych == '+') goto yy30;
 yy18:
 	YYCURSOR = YYMARKER;
 	goto yy3;
 yy19:
+	++YYCURSOR;
+#line 544 "ext/standard/var_unserializer.re"
+	{
+	*p = YYCURSOR;
+	INIT_PZVAL(*rval);
+	ZVAL_NULL(*rval);
+	return 1;
+}
+#line 628 "ext/standard/var_unserializer.c"
+yy21:
+	yych = *++YYCURSOR;
+	if (yych <= ',') {
+		if (yych == '+') goto yy33;
+		goto yy18;
+	} else {
+		if (yych <= '-') goto yy33;
+		if (yych <= '/') goto yy18;
+		if (yych <= '9') goto yy34;
+		goto yy18;
+	}
+yy22:
+	yych = *++YYCURSOR;
+	if (yych == '+') goto yy36;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy37;
+	goto yy18;
+yy23:
+	yych = *++YYCURSOR;
+	if (yych == '+') goto yy39;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy40;
+	goto yy18;
+yy24:
+	yych = *++YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych <= '1') goto yy42;
+	goto yy18;
+yy25:
+	yych = *++YYCURSOR;
+	if (yych <= '/') {
+		if (yych <= ',') {
+			if (yych == '+') goto yy43;
+			goto yy18;
+		} else {
+			if (yych <= '-') goto yy44;
+			if (yych <= '.') goto yy45;
+			goto yy18;
+		}
+	} else {
+		if (yych <= 'I') {
+			if (yych <= '9') goto yy46;
+			if (yych <= 'H') goto yy18;
+			goto yy48;
+		} else {
+			if (yych == 'N') goto yy49;
+			goto yy18;
+		}
+	}
+yy26:
+	yych = *++YYCURSOR;
+	if (yych <= ',') {
+		if (yych == '+') goto yy50;
+		goto yy18;
+	} else {
+		if (yych <= '-') goto yy50;
+		if (yych <= '/') goto yy18;
+		if (yych <= '9') goto yy51;
+		goto yy18;
+	}
+yy27:
+	yych = *++YYCURSOR;
+	if (yych <= ',') {
+		if (yych == '+') goto yy53;
+		goto yy18;
+	} else {
+		if (yych <= '-') goto yy53;
+		if (yych <= '/') goto yy18;
+		if (yych <= '9') goto yy54;
+		goto yy18;
+	}
+yy28:
+	yych = *++YYCURSOR;
+	if (yych <= ',') {
+		if (yych == '+') goto yy56;
+		goto yy18;
+	} else {
+		if (yych <= '-') goto yy56;
+		if (yych <= '/') goto yy18;
+		if (yych <= '9') goto yy57;
+		goto yy18;
+	}
+yy29:
+	yych = *++YYCURSOR;
+	if (yych == '+') goto yy59;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy60;
+	goto yy18;
+yy30:
 	yych = *++YYCURSOR;
 	if (yybm[0+yych] & 128) {
-		goto yy20;
+		goto yy31;
 	}
 	goto yy18;
-yy20:
+yy31:
 	++YYCURSOR;
 	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
 	yych = *YYCURSOR;
 	if (yybm[0+yych] & 128) {
-		goto yy20;
+		goto yy31;
 	}
 	if (yych <= '/') goto yy18;
-	if (yych >= ';') goto yy18;
+	if (yych <= ':') goto yy62;
+	goto yy18;
+yy33:
 	yych = *++YYCURSOR;
-	if (yych != '"') goto yy18;
+	if (yych <= '/') goto yy18;
+	if (yych >= ':') goto yy18;
+yy34:
+	++YYCURSOR;
+	if (YYLIMIT <= YYCURSOR) YYFILL(1);
+	yych = *YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy34;
+	if (yych == ';') goto yy63;
+	goto yy18;
+yy36:
+	yych = *++YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych >= ':') goto yy18;
+yy37:
+	++YYCURSOR;
+	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
+	yych = *YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy37;
+	if (yych <= ':') goto yy65;
+	goto yy18;
+yy39:
+	yych = *++YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych >= ':') goto yy18;
+yy40:
+	++YYCURSOR;
+	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
+	yych = *YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy40;
+	if (yych <= ':') goto yy66;
+	goto yy18;
+yy42:
+	yych = *++YYCURSOR;
+	if (yych == ';') goto yy67;
+	goto yy18;
+yy43:
+	yych = *++YYCURSOR;
+	if (yych == '.') goto yy45;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy46;
+	goto yy18;
+yy44:
+	yych = *++YYCURSOR;
+	if (yych <= '/') {
+		if (yych != '.') goto yy18;
+	} else {
+		if (yych <= '9') goto yy46;
+		if (yych == 'I') goto yy48;
+		goto yy18;
+	}
+yy45:
+	yych = *++YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy69;
+	goto yy18;
+yy46:
+	++YYCURSOR;
+	if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
+	yych = *YYCURSOR;
+	if (yych <= ':') {
+		if (yych <= '.') {
+			if (yych <= '-') goto yy18;
+			goto yy69;
+		} else {
+			if (yych <= '/') goto yy18;
+			if (yych <= '9') goto yy46;
+			goto yy18;
+		}
+	} else {
+		if (yych <= 'E') {
+			if (yych <= ';') goto yy71;
+			if (yych <= 'D') goto yy18;
+			goto yy73;
+		} else {
+			if (yych == 'e') goto yy73;
+			goto yy18;
+		}
+	}
+yy48:
+	yych = *++YYCURSOR;
+	if (yych == 'N') goto yy74;
+	goto yy18;
+yy49:
+	yych = *++YYCURSOR;
+	if (yych == 'A') goto yy75;
+	goto yy18;
+yy50:
+	yych = *++YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych >= ':') goto yy18;
+yy51:
+	++YYCURSOR;
+	if (YYLIMIT <= YYCURSOR) YYFILL(1);
+	yych = *YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy51;
+	if (yych == ';') goto yy76;
+	goto yy18;
+yy53:
+	yych = *++YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych >= ':') goto yy18;
+yy54:
+	++YYCURSOR;
+	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
+	yych = *YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy54;
+	if (yych <= ':') goto yy78;
+	goto yy18;
+yy56:
+	yych = *++YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych >= ':') goto yy18;
+yy57:
+	++YYCURSOR;
+	if (YYLIMIT <= YYCURSOR) YYFILL(1);
+	yych = *YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy57;
+	if (yych == ';') goto yy79;
+	goto yy18;
+yy59:
+	yych = *++YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych >= ':') goto yy18;
+yy60:
+	++YYCURSOR;
+	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
+	yych = *YYCURSOR;
+	if (yych <= '/') goto yy18;
+	if (yych <= '9') goto yy60;
+	if (yych <= ':') goto yy81;
+	goto yy18;
+yy62:
+	yych = *++YYCURSOR;
+	if (yych == '"') goto yy82;
+	goto yy18;
+yy63:
+	++YYCURSOR;
+#line 500 "ext/standard/var_unserializer.re"
+	{
+	long id;
+
+ 	*p = YYCURSOR;
+	if (!var_hash) return 0;
+
+	id = parse_iv(start + 2) - 1;
+	if (id == -1 || var_access(var_hash, id, &rval_ref) != SUCCESS) {
+		return 0;
+	}
+
+	if (*rval != NULL) {
+		var_push_dtor_no_addref(var_hash, rval);
+	}
+	*rval = *rval_ref;
+	Z_ADDREF_PP(rval);
+	Z_SET_ISREF_PP(rval);
+
+	return 1;
+}
+#line 899 "ext/standard/var_unserializer.c"
+yy65:
+	yych = *++YYCURSOR;
+	if (yych == '"') goto yy84;
+	goto yy18;
+yy66:
+	yych = *++YYCURSOR;
+	if (yych == '{') goto yy86;
+	goto yy18;
+yy67:
+	++YYCURSOR;
+#line 551 "ext/standard/var_unserializer.re"
+	{
+	*p = YYCURSOR;
+	INIT_PZVAL(*rval);
+	ZVAL_BOOL(*rval, parse_iv(start + 2));
+	return 1;
+}
+#line 917 "ext/standard/var_unserializer.c"
+yy69:
+	++YYCURSOR;
+	if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
+	yych = *YYCURSOR;
+	if (yych <= ';') {
+		if (yych <= '/') goto yy18;
+		if (yych <= '9') goto yy69;
+		if (yych <= ':') goto yy18;
+	} else {
+		if (yych <= 'E') {
+			if (yych <= 'D') goto yy18;
+			goto yy73;
+		} else {
+			if (yych == 'e') goto yy73;
+			goto yy18;
+		}
+	}
+yy71:
+	++YYCURSOR;
+#line 600 "ext/standard/var_unserializer.re"
+	{
+#if SIZEOF_LONG == 4
+use_double:
+#endif
+	*p = YYCURSOR;
+	INIT_PZVAL(*rval);
+	ZVAL_DOUBLE(*rval, zend_strtod((const char *)start + 2, NULL));
+	return 1;
+}
+#line 947 "ext/standard/var_unserializer.c"
+yy73:
+	yych = *++YYCURSOR;
+	if (yych <= ',') {
+		if (yych == '+') goto yy88;
+		goto yy18;
+	} else {
+		if (yych <= '-') goto yy88;
+		if (yych <= '/') goto yy18;
+		if (yych <= '9') goto yy89;
+		goto yy18;
+	}
+yy74:
+	yych = *++YYCURSOR;
+	if (yych == 'F') goto yy91;
+	goto yy18;
+yy75:
+	yych = *++YYCURSOR;
+	if (yych == 'N') goto yy91;
+	goto yy18;
+yy76:
+	++YYCURSOR;
+#line 558 "ext/standard/var_unserializer.re"
+	{
+#if SIZEOF_LONG == 4
+	int digits = YYCURSOR - start - 3;
+
+	if (start[2] == '-' || start[2] == '+') {
+		digits--;
+	}
+
+	/* Use double for large long values that were serialized on a 64-bit system */
+	if (digits >= MAX_LENGTH_OF_LONG - 1) {
+		if (digits == MAX_LENGTH_OF_LONG - 1) {
+			int cmp = strncmp(YYCURSOR - MAX_LENGTH_OF_LONG, long_min_digits, MAX_LENGTH_OF_LONG - 1);
+
+			if (!(cmp < 0 || (cmp == 0 && start[2] == '-'))) {
+				goto use_double;
+			}
+		} else {
+			goto use_double;
+		}
+	}
+#endif
+	*p = YYCURSOR;
+	INIT_PZVAL(*rval);
+	ZVAL_LONG(*rval, parse_iv(start + 2));
+	return 1;
+}
+#line 996 "ext/standard/var_unserializer.c"
+yy78:
+	yych = *++YYCURSOR;
+	if (yych == '"') goto yy92;
+	goto yy18;
+yy79:
+	++YYCURSOR;
+#line 521 "ext/standard/var_unserializer.re"
+	{
+	long id;
+
+ 	*p = YYCURSOR;
+	if (!var_hash) return 0;
+
+	id = parse_iv(start + 2) - 1;
+	if (id == -1 || var_access(var_hash, id, &rval_ref) != SUCCESS) {
+		return 0;
+	}
+
+	if (*rval == *rval_ref) return 0;
+
+	if (*rval != NULL) {
+		var_push_dtor_no_addref(var_hash, rval);
+	}
+	*rval = *rval_ref;
+	Z_ADDREF_PP(rval);
+	Z_UNSET_ISREF_PP(rval);
+
+	return 1;
+}
+#line 1026 "ext/standard/var_unserializer.c"
+yy81:
+	yych = *++YYCURSOR;
+	if (yych == '"') goto yy94;
+	goto yy18;
+yy82:
 	++YYCURSOR;
 #line 708 "ext/standard/var_unserializer.re"
 	{
@@ -745,6 +1140,7 @@ yy20:
 		}
 
 		/* The callback function may have defined the class */
+		BG(serialize_lock)++;
 		if (zend_lookup_class(class_name, len2, &pce TSRMLS_CC) == SUCCESS) {
 			ce = *pce;
 		} else {
@@ -752,6 +1148,7 @@ yy20:
 			incomplete_class = 1;
 			ce = PHP_IC_ENTRY;
 		}
+		BG(serialize_lock)--;
 
 		zval_ptr_dtor(&user_func);
 		zval_ptr_dtor(&arg_func_name);
@@ -781,102 +1178,8 @@ yy20:
 
 	return object_common2(UNSERIALIZE_PASSTHRU, elements);
 }
-#line 785 "ext/standard/var_unserializer.c"
-yy25:
-	yych = *++YYCURSOR;
-	if (yych <= ',') {
-		if (yych != '+') goto yy18;
-	} else {
-		if (yych <= '-') goto yy26;
-		if (yych <= '/') goto yy18;
-		if (yych <= '9') goto yy27;
-		goto yy18;
-	}
-yy26:
-	yych = *++YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych >= ':') goto yy18;
-yy27:
-	++YYCURSOR;
-	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
-	yych = *YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy27;
-	if (yych >= ';') goto yy18;
-	yych = *++YYCURSOR;
-	if (yych != '"') goto yy18;
-	++YYCURSOR;
-#line 699 "ext/standard/var_unserializer.re"
-	{
-    if (!var_hash) return 0;
-
-	INIT_PZVAL(*rval);
-
-	return object_common2(UNSERIALIZE_PASSTHRU,
-			object_common1(UNSERIALIZE_PASSTHRU, ZEND_STANDARD_CLASS_DEF_PTR));
-}
-#line 819 "ext/standard/var_unserializer.c"
-yy32:
-	yych = *++YYCURSOR;
-	if (yych == '+') goto yy33;
-	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy34;
-	goto yy18;
-yy33:
-	yych = *++YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych >= ':') goto yy18;
-yy34:
-	++YYCURSOR;
-	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
-	yych = *YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy34;
-	if (yych >= ';') goto yy18;
-	yych = *++YYCURSOR;
-	if (yych != '{') goto yy18;
-	++YYCURSOR;
-#line 678 "ext/standard/var_unserializer.re"
-	{
-	long elements = parse_iv(start + 2);
-	/* use iv() not uiv() in order to check data range */
-	*p = YYCURSOR;
-    if (!var_hash) return 0;
-
-	if (elements < 0) {
-		return 0;
-	}
-
-	INIT_PZVAL(*rval);
-
-	array_init_size(*rval, elements);
-
-	if (!process_nested_data(UNSERIALIZE_PASSTHRU, Z_ARRVAL_PP(rval), elements, 0)) {
-		return 0;
-	}
-
-	return finish_nested_data(UNSERIALIZE_PASSTHRU);
-}
-#line 861 "ext/standard/var_unserializer.c"
-yy39:
-	yych = *++YYCURSOR;
-	if (yych == '+') goto yy40;
-	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy41;
-	goto yy18;
-yy40:
-	yych = *++YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych >= ':') goto yy18;
-yy41:
-	++YYCURSOR;
-	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
-	yych = *YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy41;
-	if (yych >= ';') goto yy18;
-	yych = *++YYCURSOR;
-	if (yych != '"') goto yy18;
+#line 1182 "ext/standard/var_unserializer.c"
+yy84:
 	++YYCURSOR;
 #line 643 "ext/standard/var_unserializer.re"
 	{
@@ -913,26 +1216,66 @@ yy41:
 	ZVAL_STRINGL(*rval, str, len, 0);
 	return 1;
 }
-#line 917 "ext/standard/var_unserializer.c"
-yy46:
-	yych = *++YYCURSOR;
-	if (yych == '+') goto yy47;
-	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy48;
-	goto yy18;
-yy47:
+#line 1220 "ext/standard/var_unserializer.c"
+yy86:
+	++YYCURSOR;
+#line 678 "ext/standard/var_unserializer.re"
+	{
+	long elements = parse_iv(start + 2);
+	/* use iv() not uiv() in order to check data range */
+	*p = YYCURSOR;
+    if (!var_hash) return 0;
+
+	if (elements < 0) {
+		return 0;
+	}
+
+	INIT_PZVAL(*rval);
+
+	array_init_size(*rval, elements);
+
+	if (!process_nested_data(UNSERIALIZE_PASSTHRU, Z_ARRVAL_PP(rval), elements, 0)) {
+		return 0;
+	}
+
+	return finish_nested_data(UNSERIALIZE_PASSTHRU);
+}
+#line 1244 "ext/standard/var_unserializer.c"
+yy88:
 	yych = *++YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych >= ':') goto yy18;
-yy48:
+	if (yych <= ',') {
+		if (yych == '+') goto yy96;
+		goto yy18;
+	} else {
+		if (yych <= '-') goto yy96;
+		if (yych <= '/') goto yy18;
+		if (yych >= ':') goto yy18;
+	}
+yy89:
 	++YYCURSOR;
-	if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
+	if (YYLIMIT <= YYCURSOR) YYFILL(1);
 	yych = *YYCURSOR;
 	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy48;
-	if (yych >= ';') goto yy18;
+	if (yych <= '9') goto yy89;
+	if (yych == ';') goto yy71;
+	goto yy18;
+yy91:
 	yych = *++YYCURSOR;
-	if (yych != '"') goto yy18;
+	if (yych == ';') goto yy97;
+	goto yy18;
+yy92:
+	++YYCURSOR;
+#line 699 "ext/standard/var_unserializer.re"
+	{
+    if (!var_hash) return 0;
+
+	INIT_PZVAL(*rval);
+
+	return object_common2(UNSERIALIZE_PASSTHRU,
+			object_common1(UNSERIALIZE_PASSTHRU, ZEND_STANDARD_CLASS_DEF_PTR));
+}
+#line 1278 "ext/standard/var_unserializer.c"
+yy94:
 	++YYCURSOR;
 #line 610 "ext/standard/var_unserializer.re"
 	{
@@ -967,162 +1310,13 @@ yy48:
 	ZVAL_STRINGL(*rval, str, len, 1);
 	return 1;
 }
-#line 971 "ext/standard/var_unserializer.c"
-yy53:
-	yych = *++YYCURSOR;
-	if (yych <= '/') {
-		if (yych <= ',') {
-			if (yych == '+') goto yy57;
-			goto yy18;
-		} else {
-			if (yych <= '-') goto yy55;
-			if (yych <= '.') goto yy60;
-			goto yy18;
-		}
-	} else {
-		if (yych <= 'I') {
-			if (yych <= '9') goto yy58;
-			if (yych <= 'H') goto yy18;
-			goto yy56;
-		} else {
-			if (yych != 'N') goto yy18;
-		}
-	}
-	yych = *++YYCURSOR;
-	if (yych == 'A') goto yy76;
-	goto yy18;
-yy55:
-	yych = *++YYCURSOR;
-	if (yych <= '/') {
-		if (yych == '.') goto yy60;
-		goto yy18;
-	} else {
-		if (yych <= '9') goto yy58;
-		if (yych != 'I') goto yy18;
-	}
-yy56:
-	yych = *++YYCURSOR;
-	if (yych == 'N') goto yy72;
-	goto yy18;
-yy57:
-	yych = *++YYCURSOR;
-	if (yych == '.') goto yy60;
-	if (yych <= '/') goto yy18;
-	if (yych >= ':') goto yy18;
-yy58:
-	++YYCURSOR;
-	if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
-	yych = *YYCURSOR;
-	if (yych <= ':') {
-		if (yych <= '.') {
-			if (yych <= '-') goto yy18;
-			goto yy70;
-		} else {
-			if (yych <= '/') goto yy18;
-			if (yych <= '9') goto yy58;
-			goto yy18;
-		}
-	} else {
-		if (yych <= 'E') {
-			if (yych <= ';') goto yy63;
-			if (yych <= 'D') goto yy18;
-			goto yy65;
-		} else {
-			if (yych == 'e') goto yy65;
-			goto yy18;
-		}
-	}
-yy60:
-	yych = *++YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych >= ':') goto yy18;
-yy61:
-	++YYCURSOR;
-	if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
-	yych = *YYCURSOR;
-	if (yych <= ';') {
-		if (yych <= '/') goto yy18;
-		if (yych <= '9') goto yy61;
-		if (yych <= ':') goto yy18;
-	} else {
-		if (yych <= 'E') {
-			if (yych <= 'D') goto yy18;
-			goto yy65;
-		} else {
-			if (yych == 'e') goto yy65;
-			goto yy18;
-		}
-	}
-yy63:
-	++YYCURSOR;
-#line 600 "ext/standard/var_unserializer.re"
-	{
-#if SIZEOF_LONG == 4
-use_double:
-#endif
-	*p = YYCURSOR;
-	INIT_PZVAL(*rval);
-	ZVAL_DOUBLE(*rval, zend_strtod((const char *)start + 2, NULL));
-	return 1;
-}
-#line 1069 "ext/standard/var_unserializer.c"
-yy65:
-	yych = *++YYCURSOR;
-	if (yych <= ',') {
-		if (yych != '+') goto yy18;
-	} else {
-		if (yych <= '-') goto yy66;
-		if (yych <= '/') goto yy18;
-		if (yych <= '9') goto yy67;
-		goto yy18;
-	}
-yy66:
-	yych = *++YYCURSOR;
-	if (yych <= ',') {
-		if (yych == '+') goto yy69;
-		goto yy18;
-	} else {
-		if (yych <= '-') goto yy69;
-		if (yych <= '/') goto yy18;
-		if (yych >= ':') goto yy18;
-	}
-yy67:
-	++YYCURSOR;
-	if (YYLIMIT <= YYCURSOR) YYFILL(1);
-	yych = *YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy67;
-	if (yych == ';') goto yy63;
-	goto yy18;
-yy69:
+#line 1314 "ext/standard/var_unserializer.c"
+yy96:
 	yych = *++YYCURSOR;
 	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy67;
+	if (yych <= '9') goto yy89;
 	goto yy18;
-yy70:
-	++YYCURSOR;
-	if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
-	yych = *YYCURSOR;
-	if (yych <= ';') {
-		if (yych <= '/') goto yy18;
-		if (yych <= '9') goto yy70;
-		if (yych <= ':') goto yy18;
-		goto yy63;
-	} else {
-		if (yych <= 'E') {
-			if (yych <= 'D') goto yy18;
-			goto yy65;
-		} else {
-			if (yych == 'e') goto yy65;
-			goto yy18;
-		}
-	}
-yy72:
-	yych = *++YYCURSOR;
-	if (yych != 'F') goto yy18;
-yy73:
-	yych = *++YYCURSOR;
-	if (yych != ';') goto yy18;
+yy97:
 	++YYCURSOR;
 #line 585 "ext/standard/var_unserializer.re"
 	{
@@ -1139,178 +1333,9 @@ yy73:
 
 	return 1;
 }
-#line 1143 "ext/standard/var_unserializer.c"
-yy76:
-	yych = *++YYCURSOR;
-	if (yych == 'N') goto yy73;
-	goto yy18;
-yy77:
-	yych = *++YYCURSOR;
-	if (yych <= ',') {
-		if (yych != '+') goto yy18;
-	} else {
-		if (yych <= '-') goto yy78;
-		if (yych <= '/') goto yy18;
-		if (yych <= '9') goto yy79;
-		goto yy18;
-	}
-yy78:
-	yych = *++YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych >= ':') goto yy18;
-yy79:
-	++YYCURSOR;
-	if (YYLIMIT <= YYCURSOR) YYFILL(1);
-	yych = *YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy79;
-	if (yych != ';') goto yy18;
-	++YYCURSOR;
-#line 558 "ext/standard/var_unserializer.re"
-	{
-#if SIZEOF_LONG == 4
-	int digits = YYCURSOR - start - 3;
-
-	if (start[2] == '-' || start[2] == '+') {
-		digits--;
-	}
-
-	/* Use double for large long values that were serialized on a 64-bit system */
-	if (digits >= MAX_LENGTH_OF_LONG - 1) {
-		if (digits == MAX_LENGTH_OF_LONG - 1) {
-			int cmp = strncmp(YYCURSOR - MAX_LENGTH_OF_LONG, long_min_digits, MAX_LENGTH_OF_LONG - 1);
-
-			if (!(cmp < 0 || (cmp == 0 && start[2] == '-'))) {
-				goto use_double;
-			}
-		} else {
-			goto use_double;
-		}
-	}
-#endif
-	*p = YYCURSOR;
-	INIT_PZVAL(*rval);
-	ZVAL_LONG(*rval, parse_iv(start + 2));
-	return 1;
-}
-#line 1197 "ext/standard/var_unserializer.c"
-yy83:
-	yych = *++YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych >= '2') goto yy18;
-	yych = *++YYCURSOR;
-	if (yych != ';') goto yy18;
-	++YYCURSOR;
-#line 551 "ext/standard/var_unserializer.re"
-	{
-	*p = YYCURSOR;
-	INIT_PZVAL(*rval);
-	ZVAL_BOOL(*rval, parse_iv(start + 2));
-	return 1;
-}
-#line 1212 "ext/standard/var_unserializer.c"
-yy87:
-	++YYCURSOR;
-#line 544 "ext/standard/var_unserializer.re"
-	{
-	*p = YYCURSOR;
-	INIT_PZVAL(*rval);
-	ZVAL_NULL(*rval);
-	return 1;
-}
-#line 1222 "ext/standard/var_unserializer.c"
-yy89:
-	yych = *++YYCURSOR;
-	if (yych <= ',') {
-		if (yych != '+') goto yy18;
-	} else {
-		if (yych <= '-') goto yy90;
-		if (yych <= '/') goto yy18;
-		if (yych <= '9') goto yy91;
-		goto yy18;
-	}
-yy90:
-	yych = *++YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych >= ':') goto yy18;
-yy91:
-	++YYCURSOR;
-	if (YYLIMIT <= YYCURSOR) YYFILL(1);
-	yych = *YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy91;
-	if (yych != ';') goto yy18;
-	++YYCURSOR;
-#line 521 "ext/standard/var_unserializer.re"
-	{
-	long id;
-
- 	*p = YYCURSOR;
-	if (!var_hash) return 0;
-
-	id = parse_iv(start + 2) - 1;
-	if (id == -1 || var_access(var_hash, id, &rval_ref) != SUCCESS) {
-		return 0;
-	}
-
-	if (*rval == *rval_ref) return 0;
-
-	if (*rval != NULL) {
-		var_push_dtor_no_addref(var_hash, rval);
-	}
-	*rval = *rval_ref;
-	Z_ADDREF_PP(rval);
-	Z_UNSET_ISREF_PP(rval);
-
-	return 1;
-}
-#line 1268 "ext/standard/var_unserializer.c"
-yy95:
-	yych = *++YYCURSOR;
-	if (yych <= ',') {
-		if (yych != '+') goto yy18;
-	} else {
-		if (yych <= '-') goto yy96;
-		if (yych <= '/') goto yy18;
-		if (yych <= '9') goto yy97;
-		goto yy18;
-	}
-yy96:
-	yych = *++YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych >= ':') goto yy18;
-yy97:
-	++YYCURSOR;
-	if (YYLIMIT <= YYCURSOR) YYFILL(1);
-	yych = *YYCURSOR;
-	if (yych <= '/') goto yy18;
-	if (yych <= '9') goto yy97;
-	if (yych != ';') goto yy18;
-	++YYCURSOR;
-#line 500 "ext/standard/var_unserializer.re"
-	{
-	long id;
-
- 	*p = YYCURSOR;
-	if (!var_hash) return 0;
-
-	id = parse_iv(start + 2) - 1;
-	if (id == -1 || var_access(var_hash, id, &rval_ref) != SUCCESS) {
-		return 0;
-	}
-
-	if (*rval != NULL) {
-		var_push_dtor_no_addref(var_hash, rval);
-	}
-	*rval = *rval_ref;
-	Z_ADDREF_PP(rval);
-	Z_SET_ISREF_PP(rval);
-
-	return 1;
-}
-#line 1312 "ext/standard/var_unserializer.c"
+#line 1337 "ext/standard/var_unserializer.c"
 }
-#line 863 "ext/standard/var_unserializer.re"
+#line 865 "ext/standard/var_unserializer.re"
 
 
 	return 0;
diff --git a/ext/standard/var_unserializer.re b/ext/standard/var_unserializer.re
index ce84bf5eb4..9eeba79f3f 100644
--- a/ext/standard/var_unserializer.re
+++ b/ext/standard/var_unserializer.re
@@ -815,6 +815,7 @@ object ":" uiv ":" ["]	{
 		}
 
 		/* The callback function may have defined the class */
+		BG(serialize_lock)++;
 		if (zend_lookup_class(class_name, len2, &pce TSRMLS_CC) == SUCCESS) {
 			ce = *pce;
 		} else {
@@ -822,6 +823,7 @@ object ":" uiv ":" ["]	{
 			incomplete_class = 1;
 			ce = PHP_IC_ENTRY;
 		}
+		BG(serialize_lock)--;
 
 		zval_ptr_dtor(&user_func);
 		zval_ptr_dtor(&arg_func_name);