[PHP-DEV] PHP 4.0 Bug #6647 Updated: crypt() function causes Arithmetic exception From: gallen <email protected>
Date: 12/20/00

ID: 6647
User Update by: gallen <email protected>
Old-Status: Feedback
Status: Open
Bug Type: Reproduceable crash
Description: crypt() function causes Arithmetic exception

No Good - PHP 4.0.4 causes Apache to core dump!
(see below)

(543 / 43) [/usr/local/src/apache/php-4.0.4]$: gdb /usr/local/www/bin/httpd httpd.core
GNU gdb 4.18
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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.
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This GDB was configured as "i386-unknown-freebsd"...
(no debugging symbols found)...
Core was generated by `httpd'.
Program terminated with signal 8, Floating point exception.
Reading symbols from /usr/lib/libcrypt.so.2...(no debugging symbols found)...
done.
Reading symbols from /usr/local/BerkeleyDB.3.1/lib/libdb-3.1.so...
(no debugging symbols found)...done.
Reading symbols from /usr/lib/libc.so.3...(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_vhost_alias.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_env.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_log_config.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_mime_magic.so...
(no debugging symbols found)...done.
---Type <return> to continue, or q <return> to quit---bt
Reading symbols from /usr/local/www/libexec/mod_mime.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_negotiation.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_status.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_info.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_include.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_autoindex.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_dir.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_cgi.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_asis.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_imap.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_actions.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_speling.so...
---Type <return> to continue, or q <return> to quit---
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_userdir.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_alias.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_rewrite.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_access.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_auth.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_auth_anon.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_auth_dbm.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_auth_db.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_digest.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/libproxy.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_cern_meta.so...
(no debugging symbols found)...done.
---Type <return> to continue, or q <return> to quit---
Reading symbols from /usr/local/www/libexec/mod_expires.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_headers.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_usertrack.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_unique_id.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/mod_setenvif.so...
(no debugging symbols found)...done.
Reading symbols from /usr/local/www/libexec/libphp4.so...
done.
Reading symbols from /usr/lib/libpam.so.1...done.
Reading symbols from /usr/home/pgsql/lib/libpq.so.2...done.
Reading symbols from /usr/lib/libm.so.2...done.
Reading symbols from /usr/libexec/ld-elf.so.1...done.
#0 0x282c3342 in php_minit_crypt (type=1, module_number=2) at crypt.c:109
109 srand48((unsigned int) time(0) * getpid() * (php_combined_lcg() * 10000.0));
(gdb)
(gdb)

Previous Comments:
---------------------------------------------------------------------------

[2000-11-21 04:23:40] sniper <email protected>
Could you try latest snapshot from http://snaps.php.net/
as I think this is fixed..

--Jani

---------------------------------------------------------------------------

[2000-10-12 12:37:43] gallen <email protected>
Still broken in version 4.0.3

Crypt() works in 4.0.1pl2 under FreeBSD 3.4 but causes
Arithmetic exception in Version 4.0.2 and 4.0.3.

---------------------------------------------------------------------------

[2000-09-10 00:05:39] gallen <email protected>
BTW, The crypt function works fine in FreeBSD 4.0 with/4.0.2

GDB Output
-----------
Program received signal SIGFPE, Arithmetic exception.
0x282d1139 in php_if_crypt (ht=1, return_value=0x81038cc, this_ptr=0x0,
    return_value_used=1) at crypt.c:153
153 srand48((unsigned int) time(0) * getpid() * (php_combine---Type <return> to continue, or
 q <return> to quit---
d_lcg() * 10000.0));
(gdb) bt
#0 0x282d1139 in php_if_crypt (ht=1, return_value=0x81038cc, this_ptr=0x0,
    return_value_used=1) at crypt.c:153
#1 0x2826c22a in execute (op_array=0x812568c) at ./zend_execute.c:1519
#2 0x282785db in zend_execute_scripts (type=8, file_count=3) at zend.c:712
#3 0x28287324 in php_execute_script (primary_file=0xbfbfda40) at main.c:1173
#4 0x282841b9 in apache_php_module_main (r=0x8132034, display_source_mode=0)
    at sapi_apache.c:89
#5 0x28284a71 in send_php (r=0x8132034, display_source_mode=0, filename=0x0)
    at mod_php4.c:503
#6 0x28284aa4 in send_parsed_php (r=0x8132034) at mod_php4.c:514
#7 0x805371f in ap_invoke_handler ()
#8 0x8066401 in process_request_internal ()
#9 0x8066460 in ap_process_request ()
#10 0x805dda9 in child_main ()
#11 0x805df34 in make_child ()
#12 0x805e08f in startup_children ()
#13 0x805e640 in standalone_main ()
#14 0x805ee9f in main ()
#15 0x804e881 in _start ()

Configure
----------
CPPFLAGS="-I/usr/local/include/gd/ -I/usr/local/BerkeleyDB.3.1/include/"
        LDFLAGS=-L/usr/local/BerkeleyDB.3.1/lib/
         ./configure --with-apxs=/usr/local/www/bin/apxs
        --disable-debug
        --with-pgsql=/usr/home/pgsql
        --with-xml
        --enable-track-vars
        --enable-trans-sid
        --with-db3=/usr/local/BerkeleyDB.3.1
        --with-mcrypt
        --enable-ftp

HTML 

----
<html>
<head>
   <title>test crypt</title>
</head>
<body>
<?php
echo "Current PHP version: ".phpversion()."<br>";
        $rc = crypt("password");
        echo "rc=$rc<br>n";
echo phpinfo();
?>
</body>
</html>

---------------------------------------------------------------------------

Full Bug description available at: http://bugs.php.net/?id=6647

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