From:
Operating system: Ubuntu 10.10
PHP version: 5.3.6
Package: Sockets related
Bug Type: Bug
Bug description:Segmentation fault after writing to first socket after closing
of second socket
Description:
------------
BTW, my friend with 5.2.6 says that bug doesn`t reproduces in her, but in
version 5.2.10 it does reproduced, and in version 5.3.3 also reproduced.
Backtrace from GDB:
Starting program: /usr/bin/php memcached.php
[Thread debugging using libthread_db enabled]
[New Thread 0xb7c1cb70 (LWP 11369)]
[Thread 0xb7c1cb70 (LWP 11369) exited]
Program received signal SIGSEGV, Segmentation fault.
0x080ab68a in ?? ()
(gdb) bt
#0 0x080ab68a in ?? ()
#1 0x082c9d0a in ?? ()
#2 0x0823a439 in zif_fwrite ()
#3 0x08334647 in execute_internal ()
#4 0x0092b474 in xdebug_execute_internal (current_execute_data=0x893d5bc,
return_value_used=0) at
/build/buildd/xdebug-2.1.0/build-php5/xdebug.c:1339
#5 0x08360310 in ?? ()
#6 0x08336fde in execute ()
#7 0x0092b123 in xdebug_execute (op_array=0x890bc14) at
/build/buildd/xdebug-2.1.0/build-php5/xdebug.c:1272
#8 0x0830cf06 in zend_execute_scripts ()
#9 0x082b1654 in php_execute_script ()
#10 0x083a41bb in ?? ()
#11 0x00646ce7 in __libc_start_main () from /lib/libc.so.6
#12 0x08066ca1 in _start ()
Test script:
---------------
<?php
$sock = pfsockopen('10.4.8.2', '11211');
$data = "add 1_".md5(time())." 0 10 10\r\n".time()."\r\n";
fwrite($sock, $data);
$sock2 = pfsockopen('10.4.8.2', '11211');
$data2 = "add 2_".md5(time())." 0 10 10\r\n".time()."\r\n";
fwrite($sock2, $data2);
fclose($sock2);
$data = "add 3_".md5(time())." 0 10 10\r\n".time()."\r\n";
fwrite($sock, $data);
Expected result:
----------------
Data normally writed to first socket
Actual result:
--------------
Program received signal SIGSEGV, Segmentation fault.
--
Edit bug report at http://bugs.php.net/bug.php?id=54623&edit=1
--
Try a snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=54623&r=trysnapshot52
Try a snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=54623&r=trysnapshot53
Try a snapshot (trunk):
http://bugs.php.net/fix.php?id=54623&r=trysnapshottrunk
Fixed in SVN:
http://bugs.php.net/fix.php?id=54623&r=fixed
Fixed in SVN and need be documented:
http://bugs.php.net/fix.php?id=54623&r=needdocs
Fixed in release:
http://bugs.php.net/fix.php?id=54623&r=alreadyfixed
Need backtrace:
http://bugs.php.net/fix.php?id=54623&r=needtrace
Need Reproduce Script:
http://bugs.php.net/fix.php?id=54623&r=needscript
Try newer version:
http://bugs.php.net/fix.php?id=54623&r=oldversion
Not developer issue:
http://bugs.php.net/fix.php?id=54623&r=support
Expected behavior:
http://bugs.php.net/fix.php?id=54623&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=54623&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=54623&r=submittedtwice
register_globals:
http://bugs.php.net/fix.php?id=54623&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=54623&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=54623&r=dst
IIS Stability:
http://bugs.php.net/fix.php?id=54623&r=isapi
Install GNU Sed:
http://bugs.php.net/fix.php?id=54623&r=gnused
Floating point limitations:
http://bugs.php.net/fix.php?id=54623&r=float
No Zend Extensions:
http://bugs.php.net/fix.php?id=54623&r=nozend
MySQL Configuration Error:
http://bugs.php.net/fix.php?id=54623&r=mysqlcfg
