1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
|
--TEST--
Bug #69970 (Use-after-free vulnerability in spl_recursive_it_move_forward_ex())
--FILE--
<?php
$count = 10;
class RecursiveArrayIteratorIterator extends RecursiveIteratorIterator {
function rewind(): void {
echo "dummy\n";
}
function endChildren(): void {
global $count;
echo $this->getDepth();
if (--$count > 0) {
// Trigger use-after-free
parent::rewind();
}
}
}
$arr = array("a", array("ba", array("bba", "bbb")));
$obj = new RecursiveArrayIterator($arr);
$rit = new RecursiveArrayIteratorIterator($obj);
foreach ($rit as $k => $v) {
echo ($rit->getDepth()) . "$k=>$v\n";
}
?>
--EXPECT--
dummy
00=>a
00=>a
10=>ba
20=>bba
21=>bbb
21010=>ba
20=>bba
21=>bbb
21010=>ba
20=>bba
21=>bbb
21010=>ba
20=>bba
21=>bbb
21
|