Bug #65450 [Fbk->NoF]: PHP 5.3.27 segfaults during shutdown

Edit report at https://bugs.php.net/bug.php?id=65450&edit=1 ID: 65450 Updated by: php-bugs@lists.php.net Reported by: jakub dot lopuszanski at nasza-klasa dot pl Summary: PHP 5.3.27 segfaults during shutdown -Status: Feedback +Status: No Feedback Type: Bug Package: CGI/CLI related Operating System: linux PHP Version: Irrelevant Assigned To: cmb Private report: N New Comment: No feedback was provided. The bug is being suspended because we assume that you are no longer experiencing the problem. If this is not the case and you are able to provide the information that was requested earlier, please do so and change the status of the bug back to "Re-Opened". Thank you. Previous Comments: ------------------------------------------------------------------------ [2021-03-31 10:22:29] cmb@php.net Is that still an issue for you with any of the actively supported PHP versions[1]? [1] <https://www.php.net/supported-versions.php> ------------------------------------------------------------------------ [2013-08-14 15:52:27] jakub dot lopuszanski at nasza-klasa dot pl Description: ------------ Follwing script outputs """ X Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 72 bytes) in /home/jlopuszanski/test.php on line 8 B Segmentation fault """ on php 5.3.27. The problem is quite difficult to reproduce, as it greately depends on the filename, length of arguments etc. Therefore I run it in a loop with different length of an argument passed to the script. Sometimes uncommenting the line with echo "Y\n"; (even though it is obviously unreachable) helps to cause the error. Sometimes I have to use ~/test.php or ./test.php instead of test.php as a filename to trigger the Segfault. Once I find a good combination of filename and arguments, the problem is persistent and can be reproduced 100% of times for that combination. Test script: --------------- cat test.php <?php class A{ function __construct(){ register_shutdown_function(array(__CLASS__, 'handle_shutdown')); echo "X\n"; while(1){ $t[]=new B(); } // echo "Y\n"; } static public function handle_shutdown(){ echo "B\n"; $b=new B(); $b=null; } } class B{ } $a=new A(); ?> for((n=0;n<100;++n)); do echo $n; php-5.3.27/bin/php ~/test.php for((i=0;i<n;++i));do echo -n a;done; done Expected result: ---------------- X Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 72 bytes) in /home/jlopuszanski/test.php on line 8 B Actual result: -------------- X Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 72 bytes) in /home/jlopuszanski/test.php on line 8 B Segmentation fault ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=65450&edit=1