From:             geissert at debian dot org
Operating system: linux ia64
PHP version:      5.3.1
PHP Bug Type:     PHAR related
Bug description:  unaligned memory access in phar.c

Description:
------------
There's an unaligned memory access in ext/phar/phar.c's phar_set_32
function.

The following patch fixes it:

--- php.orig/ext/phar/phar.c
+++ php/ext/phar/phar.c
@@ -2491,7 +2491,7 @@ static inline void phar_set_32(char *buf
        *((buffer) + 1) = (unsigned char) (((var) >> 8) & 0xFF);
        *((buffer) + 0) = (unsigned char) ((var) & 0xFF);
 #else
-       *(php_uint32 *)(buffer) = (php_uint32)(var);
+       memcpy(buffer, &var, sizeof(var));
 #endif
 } /* }}} */



-- 
Edit bug report at http://bugs.php.net/?id=50987&edit=1
-- 
Try a snapshot (PHP 5.2):            
http://bugs.php.net/fix.php?id=50987&r=trysnapshot52
Try a snapshot (PHP 5.3):            
http://bugs.php.net/fix.php?id=50987&r=trysnapshot53
Try a snapshot (PHP 6.0):            
http://bugs.php.net/fix.php?id=50987&r=trysnapshot60
Fixed in SVN:                        
http://bugs.php.net/fix.php?id=50987&r=fixed
Fixed in SVN and need be documented: 
http://bugs.php.net/fix.php?id=50987&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=50987&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=50987&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=50987&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=50987&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=50987&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=50987&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=50987&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=50987&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=50987&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=50987&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=50987&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=50987&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=50987&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=50987&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=50987&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=50987&r=mysqlcfg

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