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authorDmitry Stogov <dmitry@zend.com>2015-04-07 02:35:52 +0300
committerDmitry Stogov <dmitry@zend.com>2015-04-07 02:35:52 +0300
commit55cdde3dd6c986e9e80d2f944ddfaab55c32a93a (patch)
tree5a24ab21eb10f93e6b163f709e28ba88685564bc
parent5bd71e97136e433190c4e9ba45ec25451140fc84 (diff)
downloadphp-git-55cdde3dd6c986e9e80d2f944ddfaab55c32a93a.tar.gz
Fixed bug #69376 (Wrong ref counting).
-rw-r--r--Zend/tests/bug69376.phpt27
-rw-r--r--Zend/tests/bug69376_2.phpt23
-rw-r--r--Zend/zend_hash.c4
3 files changed, 53 insertions, 1 deletions
diff --git a/Zend/tests/bug69376.phpt b/Zend/tests/bug69376.phpt
new file mode 100644
index 0000000000..5722b435c9
--- /dev/null
+++ b/Zend/tests/bug69376.phpt
@@ -0,0 +1,27 @@
+--TEST--
+Bug #69376 (Wrong ref counting)
+--FILE--
+<?php
+function &test() {
+ $var = array();
+ $var[] =& $var;
+
+ return $var;
+};
+
+$a = test();
+$b = $a;
+$b[0] = 123;
+
+print_r($a);
+print_r($b);
+?>
+--EXPECT--
+Array
+(
+ [0] => 123
+)
+Array
+(
+ [0] => 123
+)
diff --git a/Zend/tests/bug69376_2.phpt b/Zend/tests/bug69376_2.phpt
new file mode 100644
index 0000000000..e7614620a5
--- /dev/null
+++ b/Zend/tests/bug69376_2.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Bug #69376 (Wrong ref counting)
+--FILE--
+<?php
+$array = array();
+$array[] = &$array;
+$a = $array;
+unset($array);
+$b = $a;
+$b[0] = 123;
+
+print_r($a);
+print_r($b);
+?>
+--EXPECT--
+Array
+(
+ [0] => 123
+)
+Array
+(
+ [0] => 123
+)
diff --git a/Zend/zend_hash.c b/Zend/zend_hash.c
index 1fd3ccf3d9..efc20baa29 100644
--- a/Zend/zend_hash.c
+++ b/Zend/zend_hash.c
@@ -1541,7 +1541,9 @@ ZEND_API HashTable* ZEND_FASTCALL zend_array_dup(HashTable *source)
q->h = p->h;
q->key = NULL;
if (Z_OPT_REFCOUNTED_P(data)) {
- if (Z_ISREF_P(data) && Z_REFCOUNT_P(data) == 1) {
+ if (Z_ISREF_P(data) && Z_REFCOUNT_P(data) == 1 &&
+ (Z_TYPE_P(Z_REFVAL_P(data)) != IS_ARRAY ||
+ Z_ARRVAL_P(Z_REFVAL_P(data)) != source)) {
ZVAL_COPY(&q->val, Z_REFVAL_P(data));
} else {
ZVAL_COPY(&q->val, data);