Bug #69190 [Com]: after php_request_shutdown segmentation fault

Edit report at https://bugs.php.net/bug.php?id=69190&edit=1 ID: 69190 Comment by: hchinchilla at habitissimo dot com Reported by: tom916 at qq dot comd1234 Summary: after php_request_shutdown segmentation fault Status: No Feedback Type: Bug Package: Unknown/Other Function Operating System: ubuntu 12.04.3 PHP Version: 5.5.22 Block user comment: N Private report: N New Comment: Setting opcache.fast_shutdown=0 as sugested here https://github.com/zendtech/ZendOptimizerPlus/issues/146 seems to have fixed the problem. Previous Comments: ------------------------------------------------------------------------ [2015-04-15 10:48:05] hchinchilla at habitissimo dot com Attaching the contents of a coredump: Core was generated by `php-fpm: pool www '. Program terminated with signal 11, Segmentation fault. #0 0x00000000006bb212 in zend_mm_remove_from_free_list (heap=0x184b300, mm_block=0x2190ce8) at /build/buildd/php5-5.5.23+dfsg/Zend/zend_alloc.c:830 830 /build/buildd/php5-5.5.23+dfsg/Zend/zend_alloc.c: No such file or directory. (gdb) bt #0 0x00000000006bb212 in zend_mm_remove_from_free_list (heap=0x184b300, mm_block=0x2190ce8) at /build/buildd/php5-5.5.23+dfsg/Zend/zend_alloc.c:830 #1 0x00000000006bb3c0 in _zend_mm_free_int (heap=0x184b300, p=0x2190cd8) at /build/buildd/php5-5.5.23+dfsg/Zend/zend_alloc.c:2105 #2 0x00000000006f1d95 in zend_hash_destroy (ht=0xe665b0) at /build/buildd/php5-5.5.23+dfsg/Zend/zend_hash.c:563 #3 0x00000000006d3da3 in shutdown_executor () at /build/buildd/php5-5.5.23+dfsg/Zend/zend_execute_API.c:319 #4 0x00000000006e3925 in zend_deactivate () at /build/buildd/php5-5.5.23+dfsg/Zend/zend.c:946 #5 0x0000000000681217 in php_request_shutdown (dummy=<optimized out>) at /build/buildd/php5-5.5.23+dfsg/main/main.c:1812 #6 0x0000000000466910 in main (argc=<optimized out>, argv=<optimized out>) at /build/buildd/php5-5.5.23+dfsg/sapi/fpm/fpm/fpm_main.c:1981 ------------------------------------------------------------------------ [2015-04-15 10:26:23] hchinchilla at habitissimo dot com Forgot to mention software versions: Ubuntu 12.04.5 LTS PHP 5.5.23-1+deb.sury.org~precise+2 (cli) (built: Mar 24 2015 11:00:01) Copyright (c) 1997-2015 The PHP Group Zend Engine v2.5.0, Copyright (c) 1998-2015 Zend Technologies with Zend OPcache v7.0.4-dev, Copyright (c) 1999-2015, by Zend Technologies ------------------------------------------------------------------------ [2015-04-15 10:25:07] hchinchilla at habitissimo dot com I can reproduce this issue just by executing this script: <?php opcache_reset(); echo "done"; ?> The issue doesn't happen every time, but 2 or 3 executions under load will trigger it for sure. ------------------------------------------------------------------------ [2015-03-15 04:22:18] php-bugs at lists dot php dot net 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. ------------------------------------------------------------------------ [2015-03-05 07:05:01] yohgaki@php.net If you cannot make short script that reproduces this crash, could you try newer PHPs including PHP7?(i.e. git master branch) Short reproducible script is better. Please add module list you've loaded also. ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at https://bugs.php.net/bug.php?id=69190 -- Edit this bug report at https://bugs.php.net/bug.php?id=69190&edit=1