Re: bison 1.875 causes segfault

I am not seeing this problem with Apache 1.3, PHP_4_3 or php5-HEAD and tru64, nor with the cli. What platform are you seeing it on ? Could it be any unitilized or buffer overflow issue ? Dave ----- Original Message ----- From: "Sebastian Bergmann" <sebastian@php.net> To: <internals@lists.php.net> Sent: Friday, March 28, 2003 2:56 AM Subject: [PHP-DEV] bison 1.875 causes segfault > Building PHP with bison versions up to 1.75 works fine, but both > bison 1.875 and 1.875a cause a segfault during the startup of PHP. > > Backtrace: > > Program received signal SIGSEGV, Segmentation fault. > 0x081919b4 in ini_parse () at Zend/zend_ini_parser.c:1042 > 1042 YYSTACK_RELOCATE (yyss); > (gdb) bt > #0 0x081919b4 in ini_parse () at Zend/zend_ini_parser.c:1042 > #1 0x08191831 in zend_parse_ini_file (fh=0xbffff430, > unbuffered_errors=1 '\001', > ini_parser_cb=0x816b336 <php_config_ini_parser_cb>, arg=0x8315a40) > at /usr/src/php5/Zend/zend_ini_parser.y:156 > #2 0x0816bc64 in php_init_config () at /usr/src/php5/main/php_ini.c:420 > #3 0x081670ee in php_module_startup (sf=0x82561c0, additional_modules=0x0, > num_additional_modules=0) at /usr/src/php5/main/main.c:1284 > #4 0x081d10fe in main (argc=1, argv=0xbffff744) > at /usr/src/php5/sapi/cli/php_cli.c:589 > #5 0x402419ed in __libc_start_main () from /lib/libc.so.6 > > The differences between the parsers generated by bison 1.75 and > bison 1.875a can be seen here > > > http://www.sebastian-bergmann.de/stuff/diff-zend_ini_parser.c > > http://www.sebastian-bergmann.de/stuff/diff-zend_language_parser.c > > I also brought this up on the bison mailinglist last night, maybe > some kind sould from there can help. > > For the time beeing I think it would best to bail out on bison > versions greater than 1.75 in configure. > > Greetings, > Sebastian > > -- > Sebastian Bergmann > http://sebastian-bergmann.de/ > http://phpOpenTracker.de/ > > Did I help you? Consider a gift: > http://wishlist.sebastian-bergmann.de/ > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > >