Re: PHP 4.0 Bug #7802 Updated: get_meta_tags() segfaults on certain sites

Hi - I am using this script to query inappropriate sites (that have been logged as viewed by our users) and generate a list of keywords for those sites. As a result, the following URL (that causes a segfault) appears to be an adult site: http://151.196.200.20 This seems to crash consistantly. Thanks !! Erik Monson On Tue, 14 Nov 2000, you wrote: > ID: 7802 > Updated by: stas > Reported By: erik.monson@gte.net > Status: Feedback > Bug Type: *URL Functions > Assigned To: > Comments: > > Can you please give one example of URL where this function > crashes? > > > Previous Comments: > --------------------------------------------------------------------------- > > [2000-11-14 04:54:26] erik.monson@gte.net > I am running the php CGI in shell scripts. > > A database SELECT downloads a list of websites (that are known to exist) and feeds each IP > address like so: > > > $meta_data = get_meta_tags(http://$url); > > And it frequently segfaults - often when it reaches the same site. Could it be a problem with > the URL? Here is the backtrace on the core from gdb: > > Core was generated by `php -q ./test.sh'. > Program terminated with signal 11, Segmentation fault. > Reading symbols from /lib/libpam.so.0...done. > Reading symbols from /lib/libdl.so.2...done. > Reading symbols from /usr/lib/libsnmp.so.0...done. > Reading symbols from /usr/lib/libz.so.1...done. > Reading symbols from /usr/lib/libpng.so.2...done. > Reading symbols from /usr/lib/libgd.so.1...done. > Reading symbols from /lib/libresolv.so.2...done. > Reading symbols from /lib/libm.so.6...done. > Reading symbols from /lib/libcrypt.so.1...done. > Reading symbols from /lib/libnsl.so.1...done. > Reading symbols from /lib/libc.so.6...done. > Reading symbols from /lib/ld-linux.so.2...done. > Reading symbols from /usr/lib/gconv/ISO8859-1.so...done. > Reading symbols from /lib/libnss_files.so.2...done. > Reading symbols from /lib/libnss_nisplus.so.2...done. > Reading symbols from /lib/libnss_nis.so.2...done. > Reading symbols from /lib/libnss_dns.so.2...done. > #0 0x80f6a5b in zend_hash_find (ht=0x81e9d34, arKey=0x81db49c "keywords", > nKeyLength=9, pData=0xbfffd720) at zend_hash.c:859 > 859 if ((p->h == h) && (p->nKeyLength == nKeyLength)) { > (gdb) > (gdb) > (gdb) > (gdb) > (gdb) > (gdb) > (gdb) bt > #0 0x80f6a5b in zend_hash_find (ht=0x81e9d34, arKey=0x81db49c "keywords", > nKeyLength=9, pData=0xbfffd720) at zend_hash.c:859 > #1 0x812d1a6 in zend_fetch_dimension_address_inner (ht=0x81e9d34, > op2=0x81df108, Ts=0xbfffd7c4, type=0) at ./zend_execute.c:521 > #2 0x8124767 in zend_fetch_dimension_address (result=0x81df0e8, > op1=0x81df0f8, op2=0x81df108, Ts=0xbfffd7c4, type=0) > at ./zend_execute.c:665 > #3 0x8126890 in execute (op_array=0x81d18fc) at ./zend_execute.c:1185 > #4 0x80f1ed4 in zend_execute_scripts (type=8, file_count=3) at zend.c:717 > #5 0x806090f in php_execute_script (primary_file=0xbffff8e4) at main.c:1200 > #6 0x805e82c in main (argc=3, argv=0xbffff974) at cgi_main.c:715 > (gdb) quit > > PHP was compiled with the following 'configure' flags: > > ./configure --with-mysql --with-gd --with-snmp --enable-debug --enable-track-vars > > Thanks in advance !! > > Erik Monson > erik.monson@gte.net > > --------------------------------------------------------------------------- > > > Full Bug description available at: http://bugs.php.net/?id=7802 --