From: [EMAIL PROTECTED]
Operating system: Linux (Redhat 7.3)
PHP version: 4.3.0RC3
PHP Bug Type: Reproducible crash
Bug description: Child segfault running mash()
PHP 4.3.0RC3 compiled --with-mhash (not dso) using mhash
0.8.17 segfaults when running this script:
<?
$passwd="password";
echo "Hashing of $passwd: " .
base64_encode(mhash(MHASH_MD5, $passwd)) . "<br>";
?>
(Does not segfault with MHASH_SHA1)
Apache 1.3.27
mod_ssl 2.8.11
PHP 4.3.0RC3
glibc 2.2.25-40
gcc-2.96-112
mhash 0.8.17 (static)
php ./configure:
./configure --prefix=/usr --exec-prefix=/usr
--bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc
--datadir=/usr/share --includedir=/usr/include
--libdir=/usr/lib --libexecdir=/usr/libexec
--localstatedir=/var --sharedstatedir=/usr/com
--mandir=/usr/share/man --infodir=/usr/share/info
--with-config-file-path=/etc --with-dom=/usr
--with-exec-dir=/usr/bin --with-gettext
--with-regex=system --with-layout=GNU
--enable-magic-quotes --without-oci8 --with-mhash
--with-imap=shared --with-openssl --with-imap-ssl
--with-kerberos=/usr/kerberos --with-ldap=shared
--with-mysql=shared,/usr --with-apxs=/usr/sbin/apxs
--enable-debug --with-zlib
Backtrace:
Program received signal SIGSEGV, Segmentation fault.
0x4207af66 in chunk_free () from /lib/i686/libc.so.6
(gdb) bt
#0 0x4207af66 in chunk_free () from /lib/i686/libc.so.6
#1 0x4207ad14 in free () from /lib/i686/libc.so.6
#2 0x4033795a in mhash_free (ptr=0x81ca550) at
mhash.c:548
#3 0x4070dace in zif_mhash (ht=2, return_value=0x81d20bc,
this_ptr=0x0,
return_value_used=1) at
/usr/src/redhat/php-4.3.0RC3/ext/mhash/mhash.c:185
#4 0x4080a65b in execute (op_array=0x81cd79c)
at
/usr/src/redhat/php-4.3.0RC3/Zend/zend_execute.c:1596
#5 0x407f879c in zend_execute_scripts (type=8,
retval=0x0, file_count=3)
at /usr/src/redhat/php-4.3.0RC3/Zend/zend.c:864
#6 0x407c106b in php_execute_script
(primary_file=0xbffff6f0)
at /usr/src/redhat/php-4.3.0RC3/main/main.c:1552
#7 0x4080f63a in apache_php_module_main (r=0x808ced8,
display_source_mode=0)
at
/usr/src/redhat/php-4.3.0RC3/sapi/apache/sapi_apache.c:55
#8 0x40810504 in send_php (r=0x808ced8,
display_source_mode=0,
filename=0x808e9e0
"/var/www/modesmail/admin/phpcrash.php")
at
/usr/src/redhat/php-4.3.0RC3/sapi/apache/mod_php4.c:556
#9 0x40810571 in send_parsed_php (r=0x808ced8)
at
/usr/src/redhat/php-4.3.0RC3/sapi/apache/mod_php4.c:571
#10 0x080547dd in ap_invoke_handler ()
#11 0x0806769c in process_request_internal ()
#12 0x08067713 in ap_process_request ()
#13 0x0805f867 in child_main ()
#14 0x0805fa0a in make_child ()
#15 0x0805fb4d in startup_children ()
#16 0x080601a0 in standalone_main ()
#17 0x08060aa3 in main ()
#18 0x42017589 in __libc_start_main () from
/lib/i686/libc.so.6
--
Edit bug report at http://bugs.php.net/?id=21105&edit=1
--
Try a CVS snapshot: http://bugs.php.net/fix.php?id=21105&r=trysnapshot
Fixed in CVS: http://bugs.php.net/fix.php?id=21105&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=21105&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=21105&r=needtrace
Try newer version: http://bugs.php.net/fix.php?id=21105&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=21105&r=support
Expected behavior: http://bugs.php.net/fix.php?id=21105&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=21105&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=21105&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=21105&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=21105&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=21105&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=21105&r=isapi
