PHP 4.0 Bug #5434: PHP crashes frequently

From: ilmar@kuusalu.edu.ee Operating system: RedHat 6.2 on i686, Linux 2.2.16 PHP version: 4.0.1pl2 PHP Bug Type: Other Bug description: PHP crashes frequently PHP crashes frequently (document contains no data in netscape and segmentation fault (11) in error_log). If I try to run the same script again, it usually sucseeds. Script contains no syntax errors. PHP configure line: ./configure --with-mysql --with-apxs --disable-debug --enable-track-vars --with-gd=/usr Apache 1.3.12-2 was installed from rh6.2 cd. php.ini contains these lines: zend_optimizer.optimization_level=7 zend_extension="/usr/local/Zend/lib/ZendOptimizer.so" Zend optimizer is RC1-Linux-glibc2.1 (no debugging symbols found)... (gdb) run -X Starting program: /usr/sbin/httpd -X Program received signal SIGSEGV, Segmentation fault. 0x676e6974 in ?? () (gdb) bt #0 0x676e6974 in ?? () #1 0x402a1e77 in php_session_track_init () at session.c:387 #2 0x402a1ee4 in _php_session_decode ( val=0x8109d54 "kasutaja_nr|s:1:\"1\";url|s:22:\"/it/helpdesk/tabel.php\";", vallen=54) at session.c:405 #3 0x402a3e6f in php_if_session_decode (ht=1, return_value=0x810c68c, this_ptr=0x0, return_value_used=0) at session.c:1195 #4 0x403c7023 in zend_oe_ex () from /usr/local/Zend/lib/ZendOptimizer.so #5 0x403bdef3 in zend_oe () from /usr/local/Zend/lib/ZendOptimizer.so #6 0x40270d27 in php_execute_script (primary_file=0xbffff608) at main.c:1157 #7 0x4026da50 in apache_php_module_main (r=0x80e9e2c, fd=19, display_source_mode=0) at sapi_apache.c:93 #8 0x4026e343 in send_php (r=0x80e9e2c, display_source_mode=0, filename=0x80eb9e4 "/home/httpd/html/kaskkirjad/kaskkirjad.php") at mod_php4.c:515 #9 0x4026e384 in send_parsed_php (r=0x80e9e2c) at mod_php4.c:527 #10 0x805345e in ap_invoke_handler () from /usr/local/Zend/lib/ZendOptimizer.so #11 0x80618fb in ap_some_auth_required () from /usr/local/Zend/lib/ZendOptimizer.so #12 0x8061958 in ap_process_request () from /usr/local/Zend/lib/ZendOptimizer.so #13 0x805b940 in ap_child_terminate () from /usr/local/Zend/lib/ZendOptimizer.so #14 0x805baa7 in ap_child_terminate () from /usr/local/Zend/lib/ZendOptimizer.so #15 0x805bba8 in ap_child_terminate () from /usr/local/Zend/lib/ZendOptimizer.so #16 0x805c058 in ap_child_terminate () from /usr/local/Zend/lib/ZendOptimizer.so #17 0x805c65f in main () from /usr/local/Zend/lib/ZendOptimizer.so #18 0x400be9cb in __libc_start_main (main=0x805c3e0 <main>, argc=2, argv=0xbffff7e4, init=0x804f014 <_init>, fini=0x807b99c <_fini>, rtld_fini=0x4000ae60 <_dl_fini>, stack_end=0xbffff7dc) at ../sysdeps/generic/libc-start.c:92