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Bug #76536 PHP crashes with core dump when throwing exception in error handler
Submitted: 2018-06-27 09:36 UTC Modified: -
From: diacomltd at mail dot ru Assigned:
Status: Closed Package: Reproducible crash
PHP Version: 7.2.7 OS: Linux (different vesions)
Private report: No CVE-ID: None
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 [2018-06-27 09:36 UTC] diacomltd at mail dot ru
Description:
------------
PHP crashes with core dump when throwing exception in error handler. The bug reproduces with PHP starting from version 7.1, but not before. Checked under different Linux versions

Came into it when using PHP introspection functions on class with incorrect constants declaration. Don't know if the bug relates to this specific mistake or not. 


Test script:
---------------
class SomeConstants {const SOME_CONSTANT = SOME_NONSENSE;}

function handleError() {throw new ErrorException();}

set_error_handler('handleError');
set_exception_handler('handleError');

$r = new \ReflectionClass(SomeConstants::class);
$r->getConstants();

Expected result:
----------------
Fatal error: Uncaught exception 'ErrorException' in /code/1.php:10
Stack trace:
#0 [internal function]: handleError(Object(ErrorException))
#1 {main}
  thrown in /code/1.php on line 10

Actual result:
--------------
Segmentation fault (core dumped)

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AllCommentsChangesGit/SVN commitsRelated reports
 [2018-06-28 04:39 UTC] laruence@php.net
Automatic comment on behalf of laruence@gmail.com
Revision: http://git.php.net/?p=php-src.git;a=commit;h=1f6b842af430b8cbba0fb1c38a2796ab399171c3
Log: Fixed bug #76536 (PHP crashes with core dump when throwing exception in error handler). (Laruence)
 [2018-06-28 04:39 UTC] laruence@php.net
-Status: Open +Status: Closed
 
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