From:
Operating system: Centos
PHP version: 5.2.17
Package: Streams related
Bug Type: Bug
Bug description:apache randomly segmentation fault when using fopen or
file_get_contents
Description:
------------
Problem exists when I use file_get_contents or fopen
It causes httpd seg fault randomly
Test script:
---------------
<?php
$a =
file_get_contents('http://myproxy.com/get.php?url=http://www.google.pl');
?>
another:
<?php
if(@fopen('http://www.vorbis.com/files/1.0.1/windows/vorbis-tools-1.0.1-win32.zip','r'))
{
echo 'File exists';
}
?>
Actual result:
--------------
#0 0x000000346d07c515 in memcpy () from /lib64/libc.so.6
#1 0x00002b57cd67a531 in _zend_mm_realloc_int (heap=0x55389e0,
p=0x6417690, size=<value optimized out>)
at
/usr/local/directadmin/custombuild/php-5.2.17/Zend/zend_alloc.c:2067
#2 0x00002b57cd66515c in php_stream_wrapper_log_error
(wrapper=0x2b57cdc492a0, options=0, fmt=<value optimized out>)
at
/usr/local/directadmin/custombuild/php-5.2.17/main/streams/streams.c:216
#3 0x00002b57cd629924 in php_stream_url_wrap_http_ex
(wrapper=0x2b57cdc492a0,
path=0x64173b8 "http://myproxy.com/get.php?url=http://www.google.pl";,
mode=0x2b57cd7806ff "rb", options=4, opened_path=0x0,
context=0x6417468, redirect_max=20, flags=1) at
/usr/local/directadmin/custombuild/php-5.2.17/ext/standard/http_fopen_wrapper.c:189
#4 0x00002b57cd62c198 in php_stream_url_wrap_http (wrapper=0x6636f90,
path=0x65f2628 "", mode=0xfffffffffffbbff0 <Address 0xfffffffffffbbff0 out
of bounds>,
options=-17396, opened_path=0x800000000, context=0x63f6a60) at
/usr/local/directadmin/custombuild/php-5.2.17/ext/standard/http_fopen_wrapper.c:782
#5 0x00002b57cd665e4b in _php_stream_open_wrapper_ex (path=0x64173b8
"http://myproxy.com/get.php?url=http://www.google.pl";,
mode=0x2b57cd7806ff "rb", options=4, opened_path=0x0,
context=0x6417468) at
/usr/local/directadmin/custombuild/php-5.2.17/main/streams/streams.c:1827
#6 0x00002b57cd5eba3c in zif_file_get_contents (ht=-842684800,
return_value=0x6417440, return_value_ptr=<value optimized out>,
this_ptr=<value optimized out>,
return_value_used=<value optimized out>) at
/usr/local/directadmin/custombuild/php-5.2.17/ext/standard/file.c:541
#7 0x00002b57cd6b47d2 in zend_do_fcall_common_helper_SPEC
(execute_data=0x7fff8cc6c880) at
/usr/local/directadmin/custombuild/php-5.2.17/Zend/zend_vm_execute.h:200
#8 0x00002b57cd6b398c in execute (op_array=0x63f68a0) at
/usr/local/directadmin/custombuild/php-5.2.17/Zend/zend_vm_execute.h:92
#9 0x00002b57d0125311 in zend_oe () from
/usr/local/lib/ZendOptimizer_5.2.so
#10 0x00002b57cd693edd in zend_execute_scripts (type=8, retval=<value
optimized out>, file_count=3) at
/usr/local/directadmin/custombuild/php-5.2.17/Zend/zend.c:1134
#11 0x00002b57cd65120d in php_execute_script (primary_file=0x7fff8cc6ed70)
at /usr/local/directadmin/custombuild/php-5.2.17/main/main.c:2036
#12 0x00002b57cd718185 in php_handler (r=0x5a20030) at
/usr/local/directadmin/custombuild/php-5.2.17/sapi/apache2handler/sapi_apache2.c:639
#13 0x000000000043fc5a in ap_run_handler (r=0x5a20030) at config.c:157
#14 0x0000000000442ea2 in ap_invoke_handler (r=0x5a20030) at config.c:376
#15 0x0000000000486988 in ap_process_request (r=0x5a20030) at
http_request.c:282
#16 0x0000000000483c8c in ap_process_http_connection (c=0x58b2b80) at
http_core.c:190
#17 0x0000000000446b82 in ap_run_process_connection (c=0x58b2b80) at
connection.c:43
#18 0x00000000004b2610 in child_main (child_num_arg=<value optimized out>)
at prefork.c:662
#19 0x00000000004b28a5 in make_child (s=0x5111500, slot=6) at
prefork.c:763
#20 0x00000000004b30c2 in ap_mpm_run (_pconf=<value optimized out>,
plog=<value optimized out>, s=<value optimized out>) at prefork.c:898
#21 0x000000000042d858 in main (argc=4, argv=0x7fff8cc6f318) at main.c:739
--
Edit bug report at http://bugs.php.net/bug.php?id=54381&edit=1
--
Try a snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=54381&r=trysnapshot52
Try a snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=54381&r=trysnapshot53
Try a snapshot (trunk):
http://bugs.php.net/fix.php?id=54381&r=trysnapshottrunk
Fixed in SVN:
http://bugs.php.net/fix.php?id=54381&r=fixed
Fixed in SVN and need be documented:
http://bugs.php.net/fix.php?id=54381&r=needdocs
Fixed in release:
http://bugs.php.net/fix.php?id=54381&r=alreadyfixed
Need backtrace:
http://bugs.php.net/fix.php?id=54381&r=needtrace
Need Reproduce Script:
http://bugs.php.net/fix.php?id=54381&r=needscript
Try newer version:
http://bugs.php.net/fix.php?id=54381&r=oldversion
Not developer issue:
http://bugs.php.net/fix.php?id=54381&r=support
Expected behavior:
http://bugs.php.net/fix.php?id=54381&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=54381&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=54381&r=submittedtwice
register_globals:
http://bugs.php.net/fix.php?id=54381&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=54381&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=54381&r=dst
IIS Stability:
http://bugs.php.net/fix.php?id=54381&r=isapi
Install GNU Sed:
http://bugs.php.net/fix.php?id=54381&r=gnused
Floating point limitations:
http://bugs.php.net/fix.php?id=54381&r=float
No Zend Extensions:
http://bugs.php.net/fix.php?id=54381&r=nozend
MySQL Configuration Error:
http://bugs.php.net/fix.php?id=54381&r=mysqlcfg
