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Check for null EX(func) in write_property
This can happen if zend_call_function inserted a dummy frame, and we already switched to the dummy frame in leave_helper, and an exception is thrown during CV destruction. Fixes oss-fuzz #25343.
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,25 @@ | ||
--TEST-- | ||
EX(func) can be null during write_property in an edge case | ||
--FILE-- | ||
<?php | ||
class a { | ||
public static $i = 0; | ||
function __destruct() { | ||
if (self::$i++ != 0) throw new Exception; | ||
$b = new a; | ||
echo $b; | ||
} | ||
} | ||
new a; | ||
?> | ||
--EXPECTF-- | ||
Fatal error: Uncaught Error: Object of class a could not be converted to string in %s:%d | ||
Stack trace: | ||
#0 %s(%d): a->__destruct() | ||
#1 {main} | ||
|
||
Next Exception in %s:%d | ||
Stack trace: | ||
#0 %s(%d): a->__destruct() | ||
#1 {main} | ||
thrown in %s on line %d |
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