From:             imprec at gmail dot com
Operating system: OSX
PHP version:      5.5.3
Package:          PCNTL related
Bug Type:         Bug
Bug description:pcntl_signal may produce segfault

Description:
------------
Hello,

In a unit test suite, when I call pcntl_signal, I got a segfault :

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x000000179788b729
0x00000001003ec3b2 in zend_objects_store_del_ref ()
(gdb) #0  0x00000001003ec3b2 in zend_objects_store_del_ref ()
No symbol table info available.
#1  0x00000001003b9c7e in _zval_ptr_dtor ()
No symbol table info available.
#2  0x00000001003e5cae in zend_closure_free_storage ()
No symbol table info available.
#3  0x00000001003ec554 in zend_objects_store_del_ref_by_handle_ex ()
No symbol table info available.
#4  0x00000001003ec396 in zend_objects_store_del_ref ()
No symbol table info available.
#5  0x00000001003b9c7e in _zval_ptr_dtor ()
No symbol table info available.
#6  0x00000001003d40b0 in _zend_hash_index_update_or_next_insert ()
No symbol table info available.
#7  0x00000001001c8bfe in zif_pcntl_signal ()
No symbol table info available.
#8  0x00000001003b9524 in dtrace_execute_internal ()
No symbol table info available.
#9  0x000000010043d0c2 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#10 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#11 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#12 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#13 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#14 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#15 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#16 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#17 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#18 0x00000001003bb57a in zend_call_function ()
No symbol table info available.
#19 0x0000000100212268 in zim_reflection_method_invokeArgs ()
No symbol table info available.
#20 0x00000001003b9524 in dtrace_execute_internal ()
No symbol table info available.
#21 0x000000010043d0c2 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#22 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#23 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#24 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#25 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#26 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#27 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#28 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#29 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#30 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#31 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#32 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#33 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#34 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#35 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#36 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#37 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#38 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#39 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#40 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#41 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#42 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#43 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#44 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#45 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#46 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#47 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#48 0x000000010043d036 in zend_do_fcall_common_helper_SPEC ()
No symbol table info available.
#49 0x00000001003ed10a in execute_ex ()
No symbol table info available.
#50 0x00000001003b9458 in dtrace_execute_ex ()
No symbol table info available.
#51 0x00000001003c87ac in zend_execute_scripts ()
No symbol table info available.
#52 0x000000010036e602 in php_execute_script ()
No symbol table info available.
#53 0x0000000100461075 in do_cli ()
No symbol table info available.
#54 0x000000010045fe3d in main ()
No symbol table info available.
(gdb) %                             


The symbol seems not available whereas I compiled my PHP with the
enable-debug 
option :

php --version
PHP 5.5.3 (cli) (built: Aug 26 2013 15:34:46) (DEBUG)
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2013 Zend Technologies

Expected result:
----------------
No seg fault


-- 
Edit bug report at https://bugs.php.net/bug.php?id=65628&edit=1
-- 
Try a snapshot (PHP 5.4):   
https://bugs.php.net/fix.php?id=65628&r=trysnapshot54
Try a snapshot (PHP 5.3):   
https://bugs.php.net/fix.php?id=65628&r=trysnapshot53
Try a snapshot (trunk):     
https://bugs.php.net/fix.php?id=65628&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=65628&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=65628&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=65628&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=65628&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=65628&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=65628&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=65628&r=notwrong
Not enough info:            
https://bugs.php.net/fix.php?id=65628&r=notenoughinfo
Submitted twice:            
https://bugs.php.net/fix.php?id=65628&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=65628&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65628&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=65628&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=65628&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=65628&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=65628&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=65628&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=65628&r=mysqlcfg

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