From: arnaud dot lb at gmail dot com
Operating system: Linux 2.6
PHP version: 5.2.4
PHP Bug Type: Zlib Related
Bug description: gzinflate() try to allocate all memory with truncated $data
Description:
------------
gzinflate() try to allocate all memory with truncated $data:
Fatal error: Out of memory (allocated 1074003968) (tried to allocate
2147450880 bytes) in Command line code on line 1
Zlib version: 1.2.3.3
Reproduce code:
---------------
/tmp/php-5.2.4$ ./configure --disable-all --enable-cli --with-zlib && make
-j4
/tmp/php-5.2.4$ sapi/cli/php -d memory_limit=-1 -r '$data =
gzdeflate(file_get_contents("/tmp/yuicompressor-1.0.zip"), 9); echo
"Compressed length: " . strlen($data) . "\n"; gzinflate($data); $data =
substr($data, 0, 65535); echo "Truncated length: " . strlen($data) . "\n";
gzinflate($data);'
Expected result:
----------------
gzinflate() should return FALSE, without eating all memory
Actual result:
--------------
Fatal error: Out of memory (allocated 1074003968) (tried to allocate
2147450880 bytes) in Command line code on line 1
--
Edit bug report at http://bugs.php.net/?id=42663&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=42663&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=42663&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=42663&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=42663&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=42663&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=42663&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=42663&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=42663&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=42663&r=support
Expected behavior: http://bugs.php.net/fix.php?id=42663&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=42663&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=42663&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=42663&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42663&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=42663&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=42663&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=42663&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=42663&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=42663&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=42663&r=mysqlcfg
