zend coredumps

what can be causing this? it looks like it happens when addslashes() is used on binary data but I have no prove of this yet.... the output generated is: X-Powered-By: PHP/4.0RC2-dev Content-type: text/html [Sun Apr 30 12:49:08 2000] Script: 'picscan.php' --------------------------------------- zend_execute_API.c(237) : Block 0x08178000 status: zend_variables.c(62) : Actual location (location was relayed)

Beginning:      OK (allocated on string.c:1658, 4443 bytes)
      End:      Overflown (magic=0x5A5A5A5A instead of 0x2A8FCC84)
                At least 4 bytes overflown

--------------------------------------- [Sun Apr 30 12:49:08 2000] Script: 'picscan.php' --------------------------------------- zend_execute_API.c(237) : Block 0x0817B000 status: zend_variables.c(62) : Actual location (location was relayed)

Beginning:      Overrun (magic=0x5A5A5A5A, expected=0x7312F8DC)
      End:      Unknown

--------------------------------------- [Sun Apr 30 12:49:11 2000] Script: 'picscan.php' --------------------------------------- zend_execute_API.c(237) : Block 0x0BD7F000 status: zend_variables.c(62) : Actual location (location was relayed)

Beginning:      OK (allocated on string.c:1658, 65915 bytes)
      End:      Overflown (magic=0x5A5A5A5A instead of 0x2A8FCC84)
                At least 4 bytes overflown

--------------------------------------- [script continues....] Segmentation fault (core dumped) the backtrace of the coredump: dev# gdb php4 -c php4.core GDB is free software and you are welcome to 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. GDB 4.16 (i386-unknown-freebsd), Copyright 1996 Free Software Foundation, Inc... Core was generated by `php4'. Program terminated with signal 11, Segmentation fault. Reading symbols from /web/server/mysql/lib/mysql/libmysqlclient.so.4.0...done. Reading symbols from /usr/lib/libm.so.2...done. Reading symbols from /usr/lib/libcrypt.so.2...done. Reading symbols from /usr/lib/libc.so.3...done. Reading symbols from /usr/libexec/ld-elf.so.1...done. #0 shutdown_memory_manager (silent=1, clean_cache=0) at zend_alloc.c:376

376                                             if (!iterator->cached

(gdb) bt #0 shutdown_memory_manager (silent=1, clean_cache=0) at zend_alloc.c:376 #1 0x8083476 in php_request_shutdown (dummy=0x0) at main.c:681 #2 0x80592a2 in main (argc=2, argv=0xefbfdc18) at cgi_main.c:623 #3 0x8058915 in _start () -- Paul Jongsma WEBtic Internet Consultancy @ http://www.webtic.nl/