Bug #69024 [Com]: imagescale segfault with palette based image

Edit report at https://bugs.php.net/bug.php?id=69024&edit=1 ID: 69024 Comment by: gmblar+php at gmail dot com Reported by: gmblar+php at gmail dot com Summary: imagescale segfault with palette based image Status: Open Type: Bug Package: GD related Operating System: MacOSX 10.10.2 PHP Version: 5.6.5 Block user comment: N Private report: N New Comment: Same with PHP 5.6.5-1~dotdeb.1 on debian 7.6 Program received signal SIGSEGV, Segmentation fault. 0x00007ffff3f41bf1 in ?? () from /usr/lib/php5/20131226/gd.so (gdb) bt #0 0x00007ffff3f41bf1 in ?? () from /usr/lib/php5/20131226/gd.so #1 0x00007ffff3f18f1e in ?? () from /usr/lib/php5/20131226/gd.so #2 0x00000000006c9919 in dtrace_execute_internal () #3 0x000000000077d1e1 in ?? () #4 0x0000000000743a88 in execute_ex () #5 0x00000000006c97ed in dtrace_execute_ex () #6 0x00000000006dc028 in zend_execute_scripts () #7 0x000000000067796c in php_execute_script () #8 0x0000000000780783 in ?? () #9 0x0000000000433b7f in ?? () #10 0x00007ffff503eeed in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 #11 0x0000000000433c15 in _start () Previous Comments: ------------------------------------------------------------------------ [2015-02-11 01:33:21] gmblar+php at gmail dot com Description: ------------ imagescale segfault with palette based image. Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000000 0x0000000100f7843f in gdImageScaleTwoPass () (gdb) bt #0 0x0000000100f7843f in gdImageScaleTwoPass () #1 0x0000000100f5e3ba in zif_imagescale () #2 0x0000000100ac4bb0 in xdebug_execute_internal () #3 0x000000010023fe24 in zend_do_fcall_common_helper_SPEC () #4 0x00000001001fd5f6 in execute_ex () #5 0x0000000100ac48b9 in xdebug_execute_ex () #6 0x00000001001d64b2 in zend_execute_scripts () #7 0x000000010017ec27 in php_execute_script () #8 0x000000010025f6be in do_cli () #9 0x000000010025e354 in main () Test script: --------------- <?php $image = imagecreate(256, 256); imagescale($image, 32, 32, IMG_BICUBIC); Expected result: ---------------- Nothing Actual result: -------------- Segmentation fault: 11 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=69024&edit=1