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Merge branch 'PHP-7.4'

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* PHP-7.4:
  Fix leak when setting cyclic previous exception in finally
This commit is contained in:
Nikita Popov 2020-06-30 12:26:03 +02:00
commit c5e8c9865e
2 changed files with 22 additions and 2 deletions
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20
Zend/tests/exception_set_previous_leak.phpt Normal file
View file

@ -0,0 +1,20 @@
--TEST--
Leak when setting recursive previous exception in finally handling
--FILE--
<?php
try {
try {
throw new Exception("Test");
} catch (Exception $e) {
throw $e;
} finally {
throw $e;
}
} catch (Exception $e2) {
echo $e2->getMessage(), "\n";
}
?>
--EXPECT--
Test

4
Zend/zend_exceptions.c
View file

@ -81,11 +81,11 @@ void zend_exception_set_previous(zend_object *exception, zend_object *add_previo
zval pv, zv, rv;
zend_class_entry *base_ce;
if (exception == add_previous || !add_previous || !exception) {
if (!exception || !add_previous) {
return;
}
if (zend_is_unwind_exit(add_previous)) {
if (exception == add_previous || zend_is_unwind_exit(add_previous)) {
OBJ_RELEASE(add_previous);
return;
}