[PHP-BUG] Bug #75936 [NEW]: Strpos offset of type long and haystack len of type int

[email protected] ("sed dot baddou at gmail dot com") Thu, 8 Feb 2018 17:12:10 GMT
Newsgroups php.standards
Message-ID <[email protected]>
From:             sed dot baddou at gmail dot com
Operating system: Linux
PHP version:      Irrelevant
Package:          PHP Language Specification
Bug Type:         Bug
Bug description:Strpos offset of type long and haystack len of type int

Description:
------------
While I was reading strpos source code, I stumbeled across multiple
versions where haystack_len is declared as int, while offset is long,
correct me if i'm wrong but if haystack len exceeds intmax value wont it
underflow and give incorrect values.


-- 
Edit bug report at https://bugs.php.net/bug.php?id=75936&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=75936&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=75936&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=75936&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=75936&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=75936&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=75936&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=75936&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=75936&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=75936&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=75936&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=75936&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=75936&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=75936&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75936&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=75936&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=75936&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=75936&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=75936&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=75936&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=75936&r=mysqlcfg