Bug #75357 [Opn]: segfault loading WordPress wp-admin

From: Date: Thu, 12 Oct 2017 08:34:41 +0000
Subject: Bug #75357 [Opn]: segfault loading WordPress wp-admin
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=75357&edit=1

 ID:                 75357
 Updated by:         laruence@php.net
 Reported by:        justin at serverpilot dot io
 Summary:            segfault loading WordPress wp-admin
 Status:             Open
 Type:               Bug
 Package:            opcache
 Operating System:   Ubuntu 16.04 x64
 PHP Version:        7.2.0RC3
 Block user comment: N
 Private report:     N

 New Comment:

which version of wordpress are you using?


Previous Comments:
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[2017-10-10 23:56:33] justin at serverpilot dot io

Description:
------------
Loading the WordPress admin interface ("/wp-admin") results in a segfault.

This crash started with RC3 (RC2 worked fine). The problem is still happening with RC4.

Disabling the opcache fixes the problem.

No non-core extensions are loaded.

Only tested with FPM.

I can provide access to a test server, if desired.

Actual result:
--------------
Program received signal SIGSEGV, Segmentation fault.
0x000055ff60010cf0 in ZEND_SUB_LONG_SPEC_TMPVARCV_TMPVARCV_HANDLER () at
/opt/sp/packages/php7.2/build/build/php-7.2.0RC4/Zend/zend_vm_execute.h:54366
54366   /opt/sp/packages/php7.2/build/build/php-7.2.0RC4/Zend/zend_vm_execute.h: No such file or
directory.
(gdb) bt
#0  0x000055ff60010cf0 in ZEND_SUB_LONG_SPEC_TMPVARCV_TMPVARCV_HANDLER () at
/opt/sp/packages/php7.2/build/build/php-7.2.0RC4/Zend/zend_vm_execute.h:54366
#1  execute_ex (ex=0x50) at
/opt/sp/packages/php7.2/build/build/php-7.2.0RC4/Zend/zend_vm_execute.h:63628
#2  0x000055ff6001681e in zend_execute (op_array=0x7fa054473000, op_array@entry=0x7fa0428a1278,
return_value=0x0, return_value@entry=0x7fa05441ceb0)
    at /opt/sp/packages/php7.2/build/build/php-7.2.0RC4/Zend/zend_vm_execute.h:63763
#3  0x000055ff5ff65533 in zend_execute_scripts (type=type@entry=8, retval=0x7fa05441ceb0,
retval@entry=0x0, file_count=file_count@entry=3)
    at /opt/sp/packages/php7.2/build/build/php-7.2.0RC4/Zend/zend.c:1496
#4  0x000055ff5ff00cb0 in php_execute_script (primary_file=0x7fff91746a50) at
/opt/sp/packages/php7.2/build/build/php-7.2.0RC4/main/main.c:2590
#5  0x000055ff5fbbca19 in main (argc=<optimized out>, argv=<optimized out>) at
/opt/sp/packages/php7.2/build/build/php-7.2.0RC4/sapi/fpm/fpm/fpm_main.c:1966


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Edit this bug report at https://bugs.php.net/bug.php?id=75357&edit=1


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