PHP 4.0 Bug #5769: gzopen causes segmentation fault

From: danbeck@scott.net Operating system: Redhat 6.1 PHP version: 4.0.1pl2 PHP Bug Type: Reproduceable crash Bug description: gzopen causes segmentation fault Calling gzopen in a php4 shell script causes a segmentation fault. Here is a backtrace that I generated: GNU gdb 4.18 Copyright 1998 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux"... warning: core file may not match specified executable file. Core was generated by `php4 -q ./weblog_traffic.php -d 20000723 -n dealnews.com -l /www/logs/dealnews/'. Program terminated with signal 11, Segmentation fault. Reading symbols from /usr/lib/libgdbm.so.2...done. Reading symbols from /lib/libpam.so.0...done. Reading symbols from /lib/libdl.so.2...done. Reading symbols from /usr/lib/libz.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 /lib/libnss_files.so.2...done. Reading symbols from /usr/lib/gconv/ISO8859-1.so...done. #0 0x80614c8 in php_fopen_url_wrapper (path=0x819715c "/www/logs/dealnews/weblogs//20000723_access.log.gz", mode=0x8161b7c "r", options=4, issock=0x0, socketd=0x0, opened_path=0x0) at fopen-wrappers.c:1014 1014 *issock = 0; (gdb) bt #0 0x80614c8 in php_fopen_url_wrapper (path=0x819715c "/www/logs/dealnews/weblogs//20000723_access.log.gz", mode=0x8161b7c "r", options=4, issock=0x0, socketd=0x0, opened_path=0x0) at fopen-wrappers.c:1014 #1 0x8060190 in php_fopen_wrapper (path=0x819715c "/www/logs/dealnews/weblogs//20000723_access.log.gz", mode=0x8161b7c "r", options=4, issock=0x0, socketd=0x0, opened_path=0x0) at fopen-wrappers.c:259 #2 0x80af941 in php_gzopen_wrapper (path=0x819715c "/www/logs/dealnews/weblogs//20000723_access.log.gz", mode=0x8161b7c "r", options=4) at zlib.c:157 #3 0x80afeae in php_if_gzopen (ht=2, return_value=0x8188664, this_ptr=0x0, return_value_used=1) at zlib.c:254 #4 0x80dfbdc in execute (op_array=0x812f534) at ./zend_execute.c:1558 #5 0x805e05b in php_execute_script (primary_file=0xbffffa94) at main.c:1168 #6 0x805caa9 in main (argc=9, argv=0xbffffaf4) at cgi_main.c:664