#26659 [Fbk->NoF]: two includes & persist-odbc & STDIN fault
ID: 26659
Updated by: sniper@php.net
Reported By: keith at ksmith dot com
-Status: Feedback
+Status: No Feedback
Bug Type: Reproducible crash
Operating System: Slackware 8.1 / Others
PHP Version: 4.3.4
New Comment:
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.
Previous Comments:
------------------------------------------------------------------------
[2003-12-18 03:16:31] sniper@php.net
Please try using this CVS snapshot:
http://snaps.php.net/php4-STABLE-latest.tar.gz
For Windows:
http://snaps.php.net/win32/php4-win32-STABLE-latest.zip
------------------------------------------------------------------------
[2003-12-17 22:57:42] keith at ksmith dot com
chaning to odbc_connect or removing first include_once eliminates the
problem
------------------------------------------------------------------------
[2003-12-17 22:55:22] keith at ksmith dot com
Description:
------------
This is an example of code that will cause PHP to segfault
on exit. It will otherwise perform all functions, the *exit* causes
the segfault
The combination appears to be the use of TWO(2) include files coupled
with a *persistent* odbc connection Run this, type something for input,
that is not a file or hit ctrl-d
Below is segfault2.php:
<?php
function do_nothing() {print "I did nothing\n";}
?>
Does same thing with cgi/sapi && much lighter weight options list, this
was a recent re-compile to see if problem still in 4.3.4. Tested with
4.3.1 cli/cgi also.
Configure Command => './configure' '--prefix=/usr'
'--with-cpdflib'
'--with-db2' '--with-dba' '--enable-dbase' '--with-gdbm'
'--with-ndbm'
'--with-curl' '--with-freetype-dir=/usr/X11R6' '--with-gd'
'--enable-gd-imgstrttf' '--enable-gd-native-ttf'
'--with-imagick=/usr/X11R6' '--with-jpeg-dir=/usr' '--with-mcrypt'
'--with-mhash' '--with-pgsql=/opt/pgsql' '--with-png-dir=/usr'
'--with-tiff-dir=/usr' '--with-unixODBC=/opt/unixODBC'
'--with-xpm-dir=/usr/X11R6' '--enable-bcmath' '--enable-calendar'
'--enable-sysvsem' '--enable-sysvshm' '--with-zlib'
'--with-bz2'
'--enable-ftp' '--disable-url-fopen-wrapper' '--with-openssl'
'--disable-short-tags' '--enable-pcntl'
Reproduce code:
---------------
<?php
include_once("./segfault2.php");
// db_webdoc.inc.php appropriate php wrappings:
// $dsn = "some_dsn";
// $dbuser = "username";
// $dbpass = "password";
$dbcfg = getcwd() . "/includes/db_webdoc.inc.php";
include_once($dbcfg);
$dbh = odbc_pconnect($dsn, $dbuser, $dbpass);
while($fbase = fgets(STDIN, 1024)) {
$fbase = trim($fbase);
clearstatcache();
if(!is_file($fbase)) {
print "No such file: $fbase\n";
break;
}
}
exit(0);
?>
Expected result:
----------------
Should exit with status 0.
Actual result:
--------------
Exits by segfaulting with status 139
------------------------------------------------------------------------
--
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Thread (4 messages)