Bug #81021 [NEW]: Seg fault while calling closure from Reflection

From: lukin dot andrej at gmail dot com Operating system: Mac OS 11.3.1 PHP version: 8.0.6 Package: Reflection related Bug Type: Bug Bug description:Seg fault while calling closure from Reflection Description: ------------ I'm receiving a seg. fault running the code below. The backtrace is not much informative for this call. (gdb) bt #0 0x00007fff207a5552 in ?? () #1 0x00007ffeefbfe530 in ?? () #2 0x00000001002b8d5c in ?? () #3 0x00007ffeefbfdc80 in ?? () #4 0x00007fff204d6797 in ?? () #5 0x000000000000002e in ?? () #6 0x0000000105f4ba50 in ?? () #7 0x0000000000000019 in ?? () #8 0x0000000105805680 in ?? () #9 0x0000000105f4ba50 in ?? () #10 0x0000000000000000 in ?? () Test script: --------------- class Test { private string $name; public function __construct(string $name) { $this->name = $name; } } $class = new ReflectionClass(Test::class); $instance = \Closure::fromCallable([$class, 'newInstanceWithoutConstructor']); $instance(); Actual result: -------------- (gdb) bt #0 0x00007fff207a5552 in ?? () #1 0x00007ffeefbfe530 in ?? () #2 0x00000001002b8d5c in ?? () #3 0x00007ffeefbfdc80 in ?? () #4 0x00007fff204d6797 in ?? () #5 0x000000000000002e in ?? () #6 0x0000000105f4ba50 in ?? () #7 0x0000000000000019 in ?? () #8 0x0000000105805680 in ?? () #9 0x0000000105f4ba50 in ?? () #10 0x0000000000000000 in ?? () -- Edit bug report at https://bugs.php.net/bug.php?id=81021&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=81021&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=81021&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=81021&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=81021&r=needscript Try newer version: https://bugs.php.net/fix.php?id=81021&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=81021&r=support Expected behavior: https://bugs.php.net/fix.php?id=81021&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=81021&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=81021&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=81021&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=81021&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=81021&r=dst IIS Stability: https://bugs.php.net/fix.php?id=81021&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=81021&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=81021&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=81021&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=81021&r=mysqlcfg