Bug #70064 [NEW]: imagescale(..., IMG_BICUBIC) leaks memory

From: cmb Operating system: * PHP version: 7.0Git-2015-07-13 (Git) Package: GD related Bug Type: Bug Bug description:imagescale(..., IMG_BICUBIC) leaks memory Description: ------------ Apparently, imagescale(..., IMG_BICUBIC) leaks memory. Test script: --------------- <?php $im = imagecreatetruecolor(256, 256); imagescale($im, 32, 32, IMG_BICUBIC); imagedestroy($im); ?> Expected result: ---------------- Actual result: -------------- [Mon Jul 13 15:11:26 2015] Script: '/home/cmb/test.php' /home/cmb/php-src/ext/gd/libgd/gd.c(202) : Freeing 0x7FC6B1657680 (32 bytes), s cript=/home/cmb/test.php /home/cmb/php-src/Zend/zend_alloc.c(2266) : Actual location (location was relaye d) Last leak repeated 255 times [Mon Jul 13 15:11:26 2015] Script: '/home/cmb/test.php' /home/cmb/php-src/ext/gd/libgd/gd.c(193) : Freeing 0x7FC6B165AE00 (2048 bytes), script=/home/cmb/test.php [Mon Jul 13 15:11:26 2015] Script: '/home/cmb/test.php' /home/cmb/php-src/ext/gd/libgd/gd.c(194) : Freeing 0x7FC6B165B800 (2048 bytes), script=/home/cmb/test.php [Mon Jul 13 15:11:26 2015] Script: '/home/cmb/test.php' /home/cmb/php-src/ext/gd/libgd/gd.c(201) : Freeing 0x7FC6B1680000 (128 bytes), script=/home/cmb/test.php /home/cmb/php-src/Zend/zend_alloc.c(2266) : Actual location (location was relaye d) Last leak repeated 255 times === Total 514 memory leaks detected === -- Edit bug report at https://bugs.php.net/bug.php?id=70064&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70064&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70064&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70064&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=70064&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=70064&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=70064&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=70064&r=needscript Try newer version: https://bugs.php.net/fix.php?id=70064&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=70064&r=support Expected behavior: https://bugs.php.net/fix.php?id=70064&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=70064&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=70064&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=70064&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70064&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=70064&r=dst IIS Stability: https://bugs.php.net/fix.php?id=70064&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=70064&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=70064&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=70064&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=70064&r=mysqlcfg