Bug #71662 [Opn->Csd]: Segmentation fault in zend_string_release (s=0x7fe420712a28) zend_string.h:269

From: Date: Fri, 26 Feb 2016 01:03:07 +0000
Subject: Bug #71662 [Opn->Csd]: Segmentation fault in zend_string_release (s=0x7fe420712a28) zend_string.h:269
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=71662&edit=1

 ID:                 71662
 Updated by:         rasmus@php.net
 Reported by:        tom60 at op dot pl
 Summary:            Segmentation fault in zend_string_release
                     (s=0x7fe420712a28) zend_string.h:269
-Status:             Open
+Status:             Closed
 Type:               Bug
 Package:            Reproducible crash
 Operating System:   Debian Jessie
 PHP Version:        7.0.3
-Assigned To:        
+Assigned To:        rasmus
 Block user comment: N
 Private report:     N

 New Comment:

This is fixed in PHP-7.0-head and should be in 7.0.4


Previous Comments:
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[2016-02-25 17:08:08] tom60 at op dot pl

Description:
------------
I'm running PHP 7.0.3 mod_php using Apache 2.4.18. Unfortunately, I'm getting segmentation
faults. When I switch to PHP 5.6.18, everything works fine. I saved the relevant core dump files
from Apache. Unfortunately, I don't know how to trace which Apache requests or what PHP code
triggers the problem.


#0  zend_string_release (s=0x7fe420712a28) at /src/php-7.0.3/Zend/zend_string.h:269
#1  zend_hash_destroy (ht=0x7fe42c1c43c0 <pcre_globals>) at
/src/php-7.0.3/Zend/zend_hash.c:1273
#2  0x00007fe42b867919 in module_destructor (module=module@entry=0x7fe42f16b530) at
/src/php-7.0.3/Zend/zend_API.c:2509
#3  0x00007fe42b86049c in module_destructor_zval (zv=<optimized out>) at
/src/php-7.0.3/Zend/zend.c:615
#4  0x00007fe42b872389 in _zend_hash_del_el_ex (prev=<optimized out>, p=<optimized out>,
idx=<optimized out>, ht=<optimized out>)
    at /src/php-7.0.3/Zend/zend_hash.c:1013
#5  _zend_hash_del_el (p=0x7fe42f1838d0, idx=4, ht=0x7fe42c1cb2c0 <module_registry>) at
/src/php-7.0.3/Zend/zend_hash.c:1037
#6  zend_hash_graceful_reverse_destroy (ht=ht@entry=0x7fe42c1cb2c0 <module_registry>) at
/src/php-7.0.3/Zend/zend_hash.c:1489
#7  0x00007fe42b865ddc in zend_destroy_modules () at /src/php-7.0.3/Zend/zend_API.c:1977
#8  0x00007fe42b861455 in zend_shutdown () at /src/php-7.0.3/Zend/zend.c:840
#9  0x00007fe42b8059cb in php_module_shutdown () at /src/php-7.0.3/main/main.c:2352
#10 0x00007fe42b805a89 in php_module_shutdown_wrapper (sapi_globals=<optimized out>) at
/src/php-7.0.3/main/main.c:2320
#11 0x00007fe42b8f1b51 in php_apache_child_shutdown (tmp=<optimized out>) at
/src/php-7.0.3/sapi/apache2handler/sapi_apache2.c:399
#12 0x00007fe42cdf4fae in run_cleanups (cref=<optimized out>) at memory/unix/apr_pools.c:2352
#13 apr_pool_destroy (pool=0x7fe42f2be8d8) at memory/unix/apr_pools.c:814
#14 0x00007fe42e22975e in clean_child_exit (code=0) at prefork.c:227
#15 0x00007fe42e229c48 in child_main (child_num_arg=544287272, child_bucket=-1104392960) at
prefork.c:744
#16 0x00007fe42e229ff0 in make_child (s=0x7fe42f013248, slot=172, bucket=0) at prefork.c:824
#17 0x00007fe42e22adb5 in perform_idle_server_maintenance (p=<optimized out>) at prefork.c:932
#18 prefork_run (_pconf=0x7fe420712a28, plog=0x7ffebe2c4dac, s=0x7ffebe2c4db0) at prefork.c:1128
#19 0x00007fe42e1ac27e in ap_run_mpm (pconf=0x7fe42efe0138, plog=0x7fe42f019818, s=0x7fe42f013248)
at mpm_common.c:94
#20 0x00007fe42e1a5845 in main (argc=3, argv=0x7ffebe2c5088) at main.c:777



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