#40621 [NEW]: Crash when constructor called inappropriately (statically)

From: sean@php.net Operating system: Linux PHP version: 5.2.1 PHP Bug Type: Reproducible crash Bug description: Crash when constructor called inappropriately (statically) Description: ------------ PHP 5.2.x (tried 5.2.1, 5.2.0) crashes if a constructor is called statically from within the host class. Code explains this better. I realize I'm not SUPPOSED to do this, but I did it accidentally (I made a mistake). I expect the error message. It shouldn't, however, crash. Reproduce code: --------------- php -r 'class Foo { private function __construct() { } function get() { self::__construct(); } } Foo::get();' Expected result: ---------------- E_FATAL Here's 5.1.6: Fatal error: Non-static method Foo::__construct() cannot be called statically in Command line code on line 1 In 5.2.0, this was downgraded to E_STRICT, which I suspect is why it crashes (E_FATAL would have bailed, E_STRICT tries to run this messed up code). Actual result: -------------- here's the backtrace: (gdb) run -r 'class Foo { private function __construct() { } function get() { self::__construct(); } } Foo::get();' Starting program: /usr/local/bin/php -r 'class Foo { private function __construct() { } function get() { self::__construct(); } } Foo::get();' [Thread debugging using libthread_db enabled] [New Thread -1214503248 (LWP 28107)] Strict Standards: Non-static method Foo::get() should not be called statically in Command line code on line 1 Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1214503248 (LWP 28107)] 0x083c425c in zend_get_class_entry (zobject=0x0) at /home/sean/downloads/php-5.2.1/Zend/zend_API.c:248 248 if (Z_OBJ_HT_P(zobject)->get_class_entry) { (gdb) bt #0 0x083c425c in zend_get_class_entry (zobject=0x0) at /home/sean/downloads/php-5.2.1/Zend/zend_API.c:248 #1 0x083ec877 in ZEND_INIT_STATIC_METHOD_CALL_SPEC_UNUSED_HANDLER ( execute_data=0xbfd5e800) at /home/sean/downloads/php-5.2.1/Zend/zend_vm_execute.h:1222 #2 0x083e7fc3 in execute (op_array=0xb798f330) at /home/sean/downloads/php-5.2.1/Zend/zend_vm_execute.h:92 #3 0x083e85ed in zend_do_fcall_common_helper_SPEC (execute_data=0xbfd5e980) at /home/sean/downloads/php-5.2.1/Zend/zend_vm_execute.h:234 #4 0x083e90c0 in ZEND_DO_FCALL_BY_NAME_SPEC_HANDLER (execute_data=0xbfd5e980) at /home/sean/downloads/php-5.2.1/Zend/zend_vm_execute.h:322 #5 0x083e7fc3 in execute (op_array=0xb798d7fc) at /home/sean/downloads/php-5.2.1/Zend/zend_vm_execute.h:92 #6 0x083b6e79 in zend_eval_string ( str=0xbfd5f911 "class Foo { private function __construct() { } function get() { self::__construct(); } } Foo::get();", retval_ptr=0x0, string_name=0x8522074 "Command line code") at /home/sean/downloads/php-5.2.1/Zend/zend_execute_API.c:1151 #7 0x083b7012 in zend_eval_string_ex ( str=0xbfd5f911 "class Foo { private function __construct() { } function get() { self::__construct(); } } Foo::get();", retval_ptr=0x0, string_name=0x8522074 "Command line code", handle_exceptions=1) at /home/sean/downloads/php-5.2.1/Zend/zend_execute_API.c:1185 #8 0x0843d555 in main (argc=3, argv=0xbfd5ed14) at /home/sean/downloads/php-5.2.1/sapi/cli/php_cli.c:1153 -- Edit bug report at http://bugs.php.net/?id=40621&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40621&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40621&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40621&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=40621&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=40621&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=40621&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=40621&r=needscript Try newer version: http://bugs.php.net/fix.php?id=40621&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=40621&r=support Expected behavior: http://bugs.php.net/fix.php?id=40621&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=40621&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=40621&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=40621&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40621&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=40621&r=dst IIS Stability: http://bugs.php.net/fix.php?id=40621&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=40621&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=40621&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=40621&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=40621&r=mysqlcfg