From: cstdenis at ctgameinfo dot com
Operating system: FreeBSD 6.1-RELEASE
PHP version: 5CVS-2006-11-29 (snap)
PHP Bug Type: Filesystem function related
Bug description: file_get_contents causes bus error on certain offsets
Description:
------------
Note: this MAY be the same bug as #37866 but it was closed due to lack of
CVS testing and I can not add a comment to it.
May also be related to #35886 but its marked fixed in cvs and win32 only.
Example background
------------------
karin# ll cache/profiles/c/cstdenis.html
-rw-r--r-- 1 www site5 23177 Nov 28 16:54
cache/profiles/c/cstdenis.html
All tests done via CLI. Not tested under apache
Reproduce code:
---------------
Code
----
<?php
echo file_get_contents('cache/profiles/c/cstdenis.html', false, null,
1399);
?>
outputs contents of file from offset 1399
<?php
echo file_get_contents('cache/profiles/c/cstdenis.html', false, null,
1400);
?>
Bus error
Expected result:
----------------
File contents from offset
Actual result:
--------------
Bus Error
Backtrace of core
-----------------
#0 0x28588322 in memcpy () from /lib/libc.so.6
[New LWP 100443]
(gdb) bt
#0 0x28588322 in memcpy () from /lib/libc.so.6
Cannot access memory at address 0xbfbfd29c
Latest CVS snap still has the same problem.
Backtrace of 5.2.1-dev core
----------------------------
#0 0x2869c329 in memcpy () from /lib/libc.so.6
(gdb) bt
#0 0x2869c329 in memcpy () from /lib/libc.so.6
Cannot access memory at address 0xbfbfd25c
--
Edit bug report at http://bugs.php.net/?id=39673&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=39673&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=39673&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=39673&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=39673&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=39673&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=39673&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=39673&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=39673&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=39673&r=support
Expected behavior: http://bugs.php.net/fix.php?id=39673&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=39673&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=39673&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=39673&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=39673&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=39673&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=39673&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=39673&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=39673&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=39673&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=39673&r=mysqlcfg
