#32955 [Ver->Bgs]: Variable variables in globals.

ID: 32955 Updated by: tony2001@php.net Reported By: isset at yandex dot ru -Status: Verified +Status: Bogus Bug Type: Reproducible crash Operating System: Windows, Linux PHP Version: 5.0.4 New Comment: Duplicate of bug #29707. Previous Comments: ------------------------------------------------------------------------ [2005-05-05 19:36:22] tony2001@php.net Reproducible with 5.0 and 4.3, HEAD is working fine. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1076963104 (LWP 16032)] 0x081ea2aa in zend_pzval_unlock_func (z=0x1) at /usr/src/dev/clean/php-src_5_0/Zend/zend_execute.c:66 66 z->refcount--; (gdb) bt #0 0x081ea2aa in zend_pzval_unlock_func (z=0x1) at /usr/src/dev/clean/php-src_5_0/Zend/zend_execute.c:66 #1 0x081ea3a9 in _get_zval_ptr (node=0x82d47c4, Ts=0xbfffc9d0, should_free=0xbfffc98c) at /usr/src/dev/clean/php-src_5_0/Zend/zend_execute.c:101 #2 0x081e1238 in zend_fetch_var_address (opline=0x82d47ac, Ts=0xbfffc9d0, type=1) at /usr/src/dev/clean/php-src_5_0/Zend/zend_execute.c:747 #3 0x081e3b63 in zend_fetch_w_handler (execute_data=0xbfffcb30, opline=0x82d47ac, op_array=0x82d4b00) at /usr/src/dev/clean/php-src_5_0/Zend/zend_execute.c:2043 #4 0x081e2a14 in execute (op_array=0x82d4b00) at /usr/src/dev/clean/php-src_5_0/Zend/zend_execute.c:1417 #5 0x081e5c17 in zend_do_fcall_common_helper (execute_data=0xbfffccc0, opline=0x82d32c0, op_array=0x82cee2c) at /usr/src/dev/clean/php-src_5_0/Zend/zend_execute.c:2767 #6 0x081e612c in zend_do_fcall_handler (execute_data=0xbfffccc0, opline=0x82d32c0, op_array=0x82cee2c) at /usr/src/dev/clean/php-src_5_0/Zend/zend_execute.c:2872 #7 0x081e2a14 in execute (op_array=0x82cee2c) at /usr/src/dev/clean/php-src_5_0/Zend/zend_execute.c:1417 #8 0x081bf0b6 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/src/dev/clean/php-src_5_0/Zend/zend.c:1076 #9 0x0817e530 in php_execute_script (primary_file=0xbffff0e0) at /usr/src/dev/clean/php-src_5_0/main/main.c:1638 #10 0x081ee703 in main (argc=2, argv=0xbffff1b4) at /usr/src/dev/clean/php-src_5_0/sapi/cli/php_cli.c:946 ------------------------------------------------------------------------ [2005-05-05 14:39:55] isset at yandex dot ru Description: ------------ Variable variables in globals. Crash. See reproduce code. Reproduce code: --------------- <?php $var[1] = "user"; $var[2] = "name"; function check($var) { global $$var[1][$var[2]]; // <- Segmentation fault echo $$var[1][$var[2]]; } check($var); ?> ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=32955&edit=1