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Bug #37089 Segmentation Fault on array_pop()
Submitted: 2006-04-15 07:05 UTC Modified: 2006-04-15 11:43 UTC
From: info at mgeiger dot de Assigned:
Status: Not a bug Package: Reproducible crash
PHP Version: 5.1.2 OS: Linux
Private report: No CVE-ID: None
View Developer Edit
 [2006-04-15 07:05 UTC] info at mgeiger dot de 
Description:
------------
The command line php engine creates a segmentation fault when using array_pop(). The Apache module doesn't have this problem.

Reproduce code:
---------------
<?
   $ar = array (345, 567);
   var_dump ($ar);
   $v = array_pop ($ar);
   var_dump ($v);
?>


Actual result:
--------------
# /usr/local/php5/bin/php fehler.php

array(2) {
  [0]=>
  int(345)
  [1]=>
  int(567)
}
Segmentation fault

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 [2006-04-15 07:33 UTC] info at mgeiger dot de 
Here's how I compiled PHP:

export CFLAGS="-march=c3 -O2"
./configure --prefix=/usr/local/php5 --with-apache=../apache_1.3.34/ --disable-ipv6 --with-zlib --with-gd --with-freetype-dir=/usr/include/freetype2 --with-jpeg-dir=/usr/lib --with-png-dir=/usr/lib --enable-gd-native-ttf --with-pdo-pgsql --without-pdo-sqlite --with-pgsql --without-sqlite

gcc version 4.0.2 20050901 (prerelease) (SUSE Linux)
System: SuSE 10.0, Kernel 2.6.16.2


I have a parallel installation of version 4.4.2 where I cannot reproduce this error.

Configuration version 4.4.2:
./configure --with-apache=../apache_1.3.34/ --enable-track-vars --with-gd --with-pgsql --without-mysql --enable-gd-native-ttf --disable-ipv6 --with-zlib --with-freetype-dir=/usr/include/freetype2 --with-jpeg-dir=/usr/lib --with-png-dir=/usr/lib
 [2006-04-15 10:00 UTC] tony2001@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php for Win32

Once you have generated a backtrace, please submit it to this bug
report and change the status back to "Open". Thank you for helping
us make PHP better.

Not reproducible.
 [2006-04-15 11:40 UTC] info at mgeiger dot de 
Uh, looks like I had a kernel problem, my tar also crashed when I tried to recompile php.

Sorry, after a reboot php5 is fine ...   :-)
 [2006-04-15 11:43 UTC] tony2001@php.net 
No bug -> bogus.
 
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