From:             stas
Operating system: *
PHP version:      5.3SVN-2011-01-30 (SVN)
Package:          Zlib related
Bug Type:         Bug
Bug description:ZipArchive segfault with FL_UNCHANGED on empty archive

Description:
------------
>From Maksymilian Arciemowicz:





PoC1:

php -r '$nx=new

ZipArchive();$nx->open("/dev/null");$nx-

>locateName("a",ZIPARCHIVE::FL_UNCHANGED);'



PoC2:

php -r '$nx=new

ZipArchive();$nx->open("empty.zip");$nx->statName("a",ZIPARCHIVE::FL_UNCHANGED);'





Segfault in _zip_name_locate.


-- 
Edit bug report at http://bugs.php.net/bug.php?id=53885&edit=1
-- 
Try a snapshot (PHP 5.2):            
http://bugs.php.net/fix.php?id=53885&r=trysnapshot52
Try a snapshot (PHP 5.3):            
http://bugs.php.net/fix.php?id=53885&r=trysnapshot53
Try a snapshot (trunk):              
http://bugs.php.net/fix.php?id=53885&r=trysnapshottrunk
Fixed in SVN:                        
http://bugs.php.net/fix.php?id=53885&r=fixed
Fixed in SVN and need be documented: 
http://bugs.php.net/fix.php?id=53885&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=53885&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=53885&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=53885&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=53885&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=53885&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=53885&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=53885&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=53885&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=53885&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=53885&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=53885&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=53885&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=53885&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=53885&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=53885&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=53885&r=mysqlcfg

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