Bug #54013 [Opn]: ReflectionParam for duplicate parameter contains garbage

Edit report at http://bugs.php.net/bug.php?id=54013&edit=1 ID: 54013 Updated by: cataphract@php.net Reported by: arjen at react dot nl Summary: ReflectionParam for duplicate parameter contains garbage Status: Open Type: Bug -Package: Reflection related +Package: Scripting Engine problem PHP Version: 5.3.5 Block user comment: N Private report: N New Comment: This appears to be unrelated to reflection. Omitting the reflection part, valgrind says: ==6643== Invalid read of size 1 ==6643== at 0x4C25FF8: memcpy (mc_replace_strmem.c:497) ==6643== by 0x6A8717: _estrndup (zend_alloc.c:2497) ==6643== by 0x6B5D18: zend_do_receive_arg (zend_compile.c:1512) ==6643== by 0x696369: zendparse (zend_language_parser.y:457) ==6643== by 0x6A04F1: compile_file (zend_language_scanner.l:364) ==6643== by 0x566250: phar_compile_file (phar.c:3393) ==6643== by 0x6C43D8: zend_execute_scripts (zend.c:1186) ==6643== by 0x671DC6: php_execute_script (main.c:2268) ==6643== by 0x74EA6A: main (php_cli.c:1193) ==6643== Address 0x6fe0470 is 0 bytes inside a block of size 2 free'd ==6643== at 0x4C240FD: free (vg_replace_malloc.c:366) ==6643== by 0x6ACD95: lookup_cv (zend_compile.c:273) ==6643== by 0x6AED32: fetch_simple_variable_ex (zend_compile.c:388) ==6643== by 0x69632B: zendparse (zend_language_parser.y:457) ==6643== by 0x6A04F1: compile_file (zend_language_scanner.l:364) ==6643== by 0x566250: phar_compile_file (phar.c:3393) ==6643== by 0x6C43D8: zend_execute_scripts (zend.c:1186) ==6643== by 0x671DC6: php_execute_script (main.c:2268) ==6643== by 0x74EA6A: main (php_cli.c:1193) ==6643== Previous Comments: ------------------------------------------------------------------------ [2011-02-14 14:52:45] arjen at react dot nl Related to http://bugs.php.net/bug.php?id=43512 ------------------------------------------------------------------------ [2011-02-14 14:52:23] arjen at react dot nl Description: ------------ ReflectionParam object for 2nd parameter contains random value for name property. Test script: --------------- <?php class a { function b($a, $a) { $params = func_get_args(); var_dump($params, $a); } } $c = new a; $c->b('waa?', 'meukee!'); $reflectionClass = new ReflectionClass($c); $params = $reflectionClass->getMethod('b')->getParameters(); var_dump($params); Expected result: ---------------- array 0 => string 'waa?' (length=4) 1 => string 'meukee!' (length=7) string 'meukee!' (length=7) array 0 => & object(ReflectionParameter)[4] public 'name' => string 'a' (length=1) 1 => & object(ReflectionParameter)[5] public 'name' => string 'a' (length=1) or exception/error.. Actual result: -------------- array 0 => string 'waa?' (length=4) 1 => string 'meukee!' (length=7) string 'meukee!' (length=7) array 0 => & object(ReflectionParameter)[4] public 'name' => string 'a' (length=1) 1 => & object(ReflectionParameter)[5] public 'name' => string '<<insert random byte here>>' (length=1) ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/bug.php?id=54013&edit=1