Bug #73155 [NEW]: imagegd2() writes wrong chunk sizes on boundaries

From: cmb Operating system: * PHP version: 5.6Git-2016-09-23 (Git) Package: GD related Bug Type: Bug Bug description:imagegd2() writes wrong chunk sizes on boundaries Description: ------------ imagegd2() writes wrong chunk sizes if the image dimensions are a multiple of the chunk size, albeit the chunks themselves are written as expected. This issue has already been reported as <https://github.com/libgd/libgd/issues/309>, but PHP's bundled libgd is affected as well. -- Edit bug report at https://bugs.php.net/bug.php?id=73155&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73155&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73155&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73155&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73155&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73155&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73155&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73155&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73155&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73155&r=support Expected behavior: https://bugs.php.net/fix.php?id=73155&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73155&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73155&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73155&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73155&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73155&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73155&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73155&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73155&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73155&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73155&r=mysqlcfg