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Fix GH-17516: SplFileTempObject::getPathInfo() crash on invalid class. #17517

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Fix GH-17516: SplFileTempObject::getPathInfo() crash on invalid class. #17517

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3 changes: 3 additions & 0 deletions ext/spl/spl_directory.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1368,6 +1368,9 @@ PHP_METHOD(SplFileInfo, getPathInfo)

if (ce == NULL) {
ce = intern->info_class;
} else if (!instanceof_function(ce, spl_ce_SplFileInfo)) {
zend_argument_type_error(1, "must be a class name derived from %s or null, %s given", ZSTR_VAL(spl_ce_SplFileInfo->name), ZSTR_VAL(ce->name));
RETURN_THROWS();
}

path = spl_filesystem_object_get_pathname(intern);
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24 changes: 24 additions & 0 deletions ext/spl/tests/gh17516.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
--TEST--
GH-17516 SplTempFileObject::getPathInfo() crashes on invalid class ID.
--FILE--
<?php
$cls = new SplTempFileObject();
class SplFileInfoChild extends SplFileInfo {}
class BadSplFileInfo {}

var_dump($cls->getPathInfo('SplFileInfoChild'));

try {
$cls->getPathInfo('BadSplFileInfo');
} catch (\TypeError $e) {
echo $e->getMessage();
}
?>
--EXPECT--
object(SplFileInfoChild)#2 (2) {
["pathName":"SplFileInfo":private]=>
string(4) "php:"
["fileName":"SplFileInfo":private]=>
string(4) "php:"
}
SplFileInfo::getPathInfo(): Argument #1 ($class) must be a class name derived from SplFileInfo or null, BadSplFileInfo given
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