diff options
| -rw-r--r-- | NEWS | 4 | ||||
| -rw-r--r-- | Zend/tests/bug70681.phpt | 11 | ||||
| -rw-r--r-- | Zend/zend_closures.c | 6 |
3 files changed, 21 insertions, 0 deletions
@@ -2,6 +2,10 @@ PHP NEWS ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ?? ??? 2015, PHP 5.6.15 +- Core: + . Fixed bug #70681 (Segfault when binding $this of internal instance method + to null). (Nikita) + - Date: . Fixed bug #70619 (DateTimeImmutable segfault). (Laruence) diff --git a/Zend/tests/bug70681.phpt b/Zend/tests/bug70681.phpt new file mode 100644 index 0000000000..a99180b0ce --- /dev/null +++ b/Zend/tests/bug70681.phpt @@ -0,0 +1,11 @@ +--TEST-- +Bug #70681: Segfault when binding $this of internal instance method to null +--FILE-- +<?php + +$c = (new ReflectionMethod('SplStack', 'count'))->getClosure(new SplStack); +$c = $c->bindTo(null); + +?> +--EXPECTF-- +Warning: Cannot unbind $this of internal method in %s on line %d diff --git a/Zend/zend_closures.c b/Zend/zend_closures.c index 90d7eaf8c0..772eb12ecc 100644 --- a/Zend/zend_closures.c +++ b/Zend/zend_closures.c @@ -88,6 +88,12 @@ ZEND_METHOD(Closure, bind) zend_error(E_WARNING, "Cannot bind an instance to a static closure"); } + if (newthis == NULL && !(closure->func.common.fn_flags & ZEND_ACC_STATIC) + && closure->func.type == ZEND_INTERNAL_FUNCTION) { + zend_error(E_WARNING, "Cannot unbind $this of internal method"); + return; + } + if (scope_arg != NULL) { /* scope argument was given */ if (IS_ZEND_STD_OBJECT(*scope_arg)) { ce = Z_OBJCE_P(scope_arg); |