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Bug #41295 Crash when calling each()
Submitted: 2007-05-05 10:58 UTC Modified: 2007-05-07 12:39 UTC
Votes:2
Avg. Score:3.5 ± 0.5
Reproduced:1 of 2 (50.0%)
Same Version:1 (100.0%)
Same OS:0 (0.0%)
From: php at fiddaman dot net Assigned:
Status: Not a bug Package: Reproducible crash
PHP Version: 5CVS-2007-05-05 (snap) OS: Solaris SPARC 64-bit
Private report: No CVE-ID: None
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 [2007-05-05 10:58 UTC] php at fiddaman dot net 
Description:
------------
I upgraded from 5.2.1 to 5.2.2 and PHP started crashing with my application so I downloaded the latest snapshot and configured with --disable-all with the same result.

Reproduce code:
---------------
<?php

$p = array('id');
print_r(each($p));

?>

Expected result:
----------------
Array
(
    [1] => id
    [value] => id
    [0] => 0
    [key] => 0
)


Actual result:
--------------
Starting program: /data/src/build/php5.2-200705050830/sapi/cli/php /test.php

Program received signal SIGSEGV, Segmentation fault.
0x00000001001081b0 in _zval_ptr_dtor (zval_ptr=0x0)
    at /data/src/build/php5.2-200705050830/Zend/zend_execute_API.c:412
412             (*zval_ptr)->refcount--;
(gdb) where
#0  0x00000001001081b0 in _zval_ptr_dtor (zval_ptr=0x0)
    at /data/src/build/php5.2-200705050830/Zend/zend_execute_API.c:412
#1  0x0000000100147340 in zend_do_fcall_common_helper_SPEC (
    execute_data=0xffffffff7fffeed8)
    at /data/src/build/php5.2-200705050830/Zend/zend_execute.h:155
#2  0x00000001001371d0 in execute (op_array=0xffffffff7ffff0b0)
    at /data/src/build/php5.2-200705050830/Zend/zend_vm_execute.h:92
#3  0x0000000100116b18 in zend_execute_scripts (type=3576176, retval=0x0,
    file_count=3457024) at /data/src/build/php5.2-200705050830/Zend/zend.c:1134
#4  0x00000001000cdac8 in php_execute_script (primary_file=0x0)
    at /data/src/build/php5.2-200705050830/main/main.c:1794
#5  0x00000001001a53f8 in main (argc=0, argv=0x0)
    at /data/src/build/php5.2-200705050830/sapi/cli/php_cli.c:1130

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 [2007-05-05 11:11 UTC] derick@php.net 
Works fine for me on 64bit Linux.
 [2007-05-05 11:43 UTC] tony2001@php.net 
Cannnot reproduce on Linux.
Make sure you don't have any zend_extension's loaded.
What compiler did you use? (GCC 4.0.x and 4.1.1 are known to cause problems on SPARC)
 [2007-05-06 10:45 UTC] redfernpaul1 at mac dot com 
(Have just voted) - and am using Apache 2.2.4 but I am running php 5.2.2. under Win XP SP2 and used installer.msi to install
 [2007-05-06 22:09 UTC] php at fiddaman dot net 
I used gcc 4.1.1 but I've now recompiled with 3.4.6 and it seems fine. Looks like a compiler issue, thanks.
 [2007-05-07 12:39 UTC] tony2001@php.net 
Update GCC to 4.1.2, it should work fine too.
 
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