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Fixed NULL pointer dereference

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This commit is contained in:
Xinchen Hui 2014-03-05 17:29:29 +08:00
parent 2ee6bc1309
commit 36f01f158c
1 changed files with 10 additions and 7 deletions
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17
Zend/zend_API.c
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@ -3154,19 +3154,20 @@ ZEND_API zend_bool zend_is_callable_ex(zval *callable, zval *object_ptr, uint ch
if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
obj = zend_hash_index_find(Z_ARRVAL_P(callable), 0);
if (UNEXPECTED(Z_ISREF_P(obj))) {
obj = Z_REFVAL_P(obj);
}
method = zend_hash_index_find(Z_ARRVAL_P(callable), 1);
if (UNEXPECTED(Z_ISREF_P(method))) {
method = Z_REFVAL_P(method);
}
}
if (obj && method &&
(Z_TYPE_P(obj) == IS_OBJECT ||
Z_TYPE_P(obj) == IS_STRING) &&
Z_TYPE_P(method) == IS_STRING) {
if (UNEXPECTED(Z_ISREF_P(obj))) {
obj = Z_REFVAL_P(obj);
}
if (UNEXPECTED(Z_ISREF_P(method))) {
method = Z_REFVAL_P(method);
}
if (Z_TYPE_P(obj) == IS_STRING) {
if (callable_name) {
char *ptr;
@ -3233,7 +3234,9 @@ ZEND_API zend_bool zend_is_callable_ex(zval *callable, zval *object_ptr, uint ch
} else {
if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
if (!obj || (Z_TYPE_P(obj) != IS_STRING && Z_TYPE_P(obj) != IS_OBJECT)) {
if (!obj || (Z_ISREF_P(obj)?
(Z_TYPE_P(Z_REFVAL_P(obj)) != IS_STRING && Z_TYPE_P(Z_REFVAL_P(obj)) != IS_OBJECT) :
(Z_TYPE_P(obj) != IS_STRING && Z_TYPE_P(obj) != IS_OBJECT))) {
if (error) zend_spprintf(error, 0, "first array member is not a valid class name or object");
} else {
if (error) zend_spprintf(error, 0, "second array member is not a valid method");