Bug #73667 [Opn]: Segfault when using phpunit with large test suites

From: Date: Wed, 07 Dec 2016 02:54:58 +0000
Subject: Bug #73667 [Opn]: Segfault when using phpunit with large test suites
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-205815@lists.php.net to get a copy of this message
Edit report at https://bugs.php.net/bug.php?id=73667&edit=1

 ID:                 73667
 Updated by:         laruence@php.net
 Reported by:        ilya at antipenko dot pp dot ua
 Summary:            Segfault when using phpunit with large test suites
 Status:             Open
 Type:               Bug
 Package:            Reflection related
 Operating System:   Ubuntu 14.04.5/12.04
 PHP Version:        7.0.13
 Block user comment: N
 Private report:     N

 New Comment:

any chance you could give me a ssh access to a reproducible box? (via mail)

thanks


Previous Comments:
------------------------------------------------------------------------
[2016-12-06 10:24:26] ilya at antipenko dot pp dot ua

Description:
------------
Hello.

I'm getting this segfault on travis-ci (php 7.0.13) when I run unit tests (phpunit 4.8/5.2).
Unfortunately, it's a private repo and I can't reproduce this segfault with synthetic
test.

Also, this segfault disappears after using additional phpunit options (like --testdox)

Also, we are using https://github.com/mybuilder/phpunit-accelerator/blob/master/src/TestListener.php#L46
to cleanup test after it finished. Probably, it can cause lots of reflection usages which causes
memory corruption.

I know, there is a bit of information, but I hope we can found and fix it together.

$ php --version
PHP 7.0.13 (cli) (built: Nov 22 2016 16:40:26) ( ZTS )
Copyright (c) 1997-2016 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2016 Zend Technologies

Actual result:
--------------
(gdb) bt
#0  zend_mm_alloc_small (bin_num=<optimized out>, heap=<optimized out>,
size=<optimized out>) at /tmp/php-build/source/7.0.13/Zend/zend_alloc.c:1295
#1  _emalloc_56 () at /tmp/php-build/source/7.0.13/Zend/zend_alloc.c:2369
#2  0x00000000009495b2 in ZEND_INIT_ARRAY_SPEC_CV_UNUSED_HANDLER (execute_data=0x7fffee01c1a0) at
/tmp/php-build/source/7.0.13/Zend/zend_vm_execute.h:35034
#3  0x00000000009152a0 in execute_ex (ex=<optimized out>) at
/tmp/php-build/source/7.0.13/Zend/zend_vm_execute.h:417
#4  0x00000000008c2ea0 in zend_call_function (fci=0x7fffffff9bf0, fci_cache=0x7fffffff9c40) at
/tmp/php-build/source/7.0.13/Zend/zend_execute_API.c:858
#5  0x000000000071413b in zim_reflection_method_invokeArgs (execute_data=<optimized out>,
return_value=0x7fffee019d20) at /tmp/php-build/source/7.0.13/ext/reflection/php_reflection.c:3346
#6  0x000000000095de47 in ZEND_DO_FCALL_SPEC_HANDLER (execute_data=0x7fffee019b50) at
/tmp/php-build/source/7.0.13/Zend/zend_vm_execute.h:842
#7  0x00000000009152a0 in execute_ex (ex=<optimized out>) at
/tmp/php-build/source/7.0.13/Zend/zend_vm_execute.h:417
#8  0x000000000096d967 in zend_execute (op_array=<optimized out>, return_value=<optimized
out>) at /tmp/php-build/source/7.0.13/Zend/zend_vm_execute.h:458
#9  0x00000000008d27a4 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at
/tmp/php-build/source/7.0.13/Zend/zend.c:1427
#10 0x0000000000865576 in php_execute_script (primary_file=0x7fffffffc1c0) at
/tmp/php-build/source/7.0.13/main/main.c:2494
#11 0x000000000096f6ce in do_cli (argc=7, argv=0x12740d0) at
/tmp/php-build/source/7.0.13/sapi/cli/php_cli.c:974
#12 0x00000000004545f5 in main (argc=7, argv=0x12740d0) at
/tmp/php-build/source/7.0.13/sapi/cli/php_cli.c:1344
(gdb) 



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