PHP 4.0 Bug #3779: Crash in syntax hilighter

From: stas@zend.com Operating system: Linux PHP version: 4.0 Latest CVS (09/03/2000) PHP Bug Type: Reproduceable crash Bug description: Crash in syntax hilighter Syntax hilighter crashes with the following dump: Program received signal SIGSEGV, Segmentation fault. 0x808eb68 in _efree (ptr=0x839a30c) at ../../Zend/zend_alloc.c:186 186 REMOVE_POINTER_FROM_LIST(p); (gdb) where #0 0x808eb68 in _efree (ptr=0x839a30c) at ../../Zend/zend_alloc.c:186 #1 0x80f1603 in zend_highlight (syntax_highlighter_ini=0xbfffc8b4) at ../../Zend/zend_highlight.c:152 #2 0x809f7a1 in highlight_string (str=0x83785bc, syntax_highlighter_ini=0xbfffc8b4) at ../../Zend/zend-scanner.l:626 #3 0x80be46f in php_if_highlight_string (ht=1, return_value=0x8394a4c, this_ptr=0x0, return_value_used=0) at /home/php/php4/ext/standard/basic_functions.c:1210 #4 0x80ec259 in execute (op_array=0x82ce468) at ../../Zend/zend_execute.c:1598 #5 0x80ec431 in execute (op_array=0x82e0fc0) at ../../Zend/zend_execute.c:1637 #6 0x80ec431 in execute (op_array=0x81d65e4) at ../../Zend/zend_execute.c:1637 #7 0x8088495 in php_execute_script (primary_file=0xbffffa84) at /home/php/php4/./main.c:1146 #8 0x80a2b03 in apache_php_module_main (r=0x81d056c, fd=20, display_source_mode=0) at /home/php/php4/sapi/apache/sapi_apache.c:88 #9 0x8084421 in send_php (r=0x81d056c, display_source_mode=0, filename=0x81d11d4 "/home/httpd/html/zend/codex.php") at mod_php4.c:491 #10 0x808446e in send_parsed_php (r=0x81d056c) at mod_php4.c:503 #11 0x80fb503 in ap_invoke_handler (r=0x81d056c) at http_config.c:508 #12 0x810e7a9 in process_request_internal (r=0x81d056c) at http_request.c:1214 #13 0x810e80c in ap_process_request (r=0x81d056c) at http_request.c:1230 #14 0x810620e in child_main (child_num_arg=0) at http_main.c:4035 #15 0x810639c in make_child (s=0x81969bc, slot=0, now=952591512) (gdb) info locals ptr = (void *) 0x839a30c p = (zend_mem_header *) 0x839a300