Bug #64111 [NEW]: Segfault in gc_zval_possible_root

From: Date: Thu, 31 Jan 2013 11:23:29 +0000
Subject: Bug #64111 [NEW]: Segfault in gc_zval_possible_root
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-176357@lists.php.net to get a copy of this message 
From:             remi
Operating system: GNU/Linux (Fedora 18)
PHP version:      5.4.11
Package:          *General Issues
Bug Type:         Bug
Bug description:Segfault in gc_zval_possible_root

Description:
------------
Running a lot test suite (using phpunit)

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 gc_zval_possible_root at /usr/src/debug/php-5.4.11/Zend/zend_gc.c:143
 #1 zend_hash_destroy at /usr/src/debug/php-5.4.11/Zend/zend_hash.c:560
 #2 _zval_dtor_func at /usr/src/debug/php-5.4.11/Zend/zend_variables.c:45
 #3 _zval_dtor at /usr/src/debug/php-5.4.11/Zend/zend_variables.h:35
 #4 _zval_ptr_dtor at
/usr/src/debug/php-5.4.11/Zend/zend_execute_API.c:438
 #6 destroy_zend_class at /usr/src/debug/php-5.4.11/Zend/zend_opcode.c:278
 #7 zend_hash_apply_deleter at
/usr/src/debug/php-5.4.11/Zend/zend_hash.c:650
 #8 zend_hash_reverse_apply at
/usr/src/debug/php-5.4.11/Zend/zend_hash.c:804
 #9 shutdown_executor at
/usr/src/debug/php-5.4.11/Zend/zend_execute_API.c:305
 #10 zend_deactivate at /usr/src/debug/php-5.4.11/Zend/zend.c:938


At first look, I was thinking to a regression introduced by fix for #63635,
but reverting the fix doesn't resolve the issue.

Full traceback, php 5.4.10:
https://bugzilla.redhat.com/attachment.cgi?id=684984

Full traceback, php 5.4.11:
https://bugzilla.redhat.com/attachment.cgi?id=685073

Short traceback, php 5.4.11 with lot extension disable:
https://bugzilla.redhat.com/attachment.cgi?id=686607

Sorry to not being able to produce a simple reproducer, but I could easily
create a test build and ask the initial reporter to test it.





-- 
Edit bug report at https://bugs.php.net/bug.php?id=64111&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=64111&r=trysnapshot54
Try a snapshot (PHP 5.3):   https://bugs.php.net/fix.php?id=64111&r=trysnapshot53
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=64111&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=64111&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=64111&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=64111&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=64111&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=64111&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=64111&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=64111&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=64111&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=64111&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=64111&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64111&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=64111&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=64111&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=64111&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=64111&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=64111&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=64111&r=mysqlcfg

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