ID: 14546
Updated by: yohgaki
Reported By: [EMAIL PROTECTED]
Old Status: Closed
Status: Open
Bug Type: Reproducible crash
Operating System: RedHat Linux 7.0
PHP Version: 4.1.0
New Comment:

Another report for this bug. Let's reopen this one.
---
Hello ,

I have similar problem with this code on Apache1.3.22+php4.1.0 linux
2.4.16 RH6.2.  I think this is critical problem.

I configure PHP with:

CC=gcc2.95.3 \
CXX=gcc2.95.3 \
./configure \
--prefix=/usr/local/php \
--with-apxs=/usr/local/httpd/bin/apxs \
--with-config-file-path=/usr/local/php/etc \
--enable-track-vars \
--enable-magic-quotes \
--enable-safe-mode \
--enable-memory-limit \
--enable-sysvshm \
--enable-sysvsem \
--enable-shmop \
--enable-sockets \
--enable-wddx \
--enable-xslt \
--enable-ctype \
--enable-bcmath \
--enable-mailparse \
--enable-ftp \
--with-gd=/export/work/gd-1.8.4-gif \
--with-jpeg-dir=/export/work/jpeg-6b \
--with-png-dir=/export/work/libpng-1.0.9 \
--with-ttf=/export/work/freetype-1.3.1 \
--with-mysql=/usr/local/mysql \
--with-openssl=/usr/local/ssl \
--with-epipe \
--with-mcrypt \
--with-mhash \
--with-zlib \
--with-mm \
--with-xmlrpc \
--with-iconv \
--with-curl \
--with-bz2 \
--with-gmp  \
--with-ldap \
--with-xml  \
--with-zip  \
--with-gettext \
--with-dom \
--with-xslt-sablot \
"$@"

aucu> I am using Apache 1.3.22 and PHP 4.1.0 on RedHat Linux 7.0.
aucu> When I view the following script, or any similar scripts with user
aucu> authentication features, the page comes up as "can't be displayed", a look
aucu> in the error_log shows the error "child pid 25693 exit signal Segmentation
aucu> fault (11)" (obviously a different pid each time).

aucu> The script is:
aucu> <?php
aucu> if(!isset($PHP_AUTH_USER)) {
aucu> header("WWW-Authenticate: Basic realm=\"My Realm\"");
aucu> header("HTTP/1.0 401 Unauthorized");
aucu> echo "Text to send if user hits Cancel button\n";
aucu> exit;
aucu> } else {
aucu> echo "<p>Hello $PHP_AUTH_USER.</p>";
aucu> echo "<p>You entered $PHP_AUTH_PW as your password.</p>";
aucu> }
?>>

aucu> My PHP configure line was:
aucu> ./configure --prefix=/opt/server/php --with-mysql=/opt/server/mysql
aucu> --enable-ftp --enable-safe-mode --enable-track-vars
aucu> --with-apache=../apache_1.3.22

aucu> My Apache configure line was:
aucu> ./configure --prefix=/opt/server/httpd
aucu> --activate-module=src/modules/php4/libphp4.a
aucu> --activate-module=src/modules/perl/libperl.a

aucu> GDB Backtrace:
aucu> Program received signal SIGSEGV, Segmentation fault.
aucu> 0x80f99ee in _efree ()
aucu> (gdb) bt
aucu> #0  0x80f99ee in _efree ()
aucu> #1  0x80934e3 in sapi_add_header_ex ()
aucu> #2  0x80bedd0 in zif_header ()
aucu> #3  0x811fbff in execute ()
aucu> #4  0x8106179 in zend_execute_scripts ()
aucu> #5  0x8091395 in php_execute_script ()
aucu> #6  0x810e2a2 in apache_php_module_main ()
aucu> #7  0x808e91e in php_restore_umask ()
aucu> #8  0x808e979 in php_restore_umask ()
aucu> #9  0x8145059 in ap_invoke_handler ()
aucu> #10 0x8159ce7 in ap_some_auth_required ()
aucu> #11 0x8159d48 in ap_process_request ()
aucu> #12 0x8150e69 in ap_child_terminate ()
aucu> #13 0x8151014 in ap_child_terminate ()
aucu> #14 0x8151184 in ap_child_terminate ()
aucu> #15 0x81517fd in ap_child_terminate ()
aucu> #16 0x815207b in main ()
aucu> #17 0x400d4790 in __libc_start_main (main=0x8151cd4 <main>, argc=2,
aucu> ubp_av=0xbffffaf4,
aucu> init=0x8074e90 <_init>, fini=0x820675c <_fini>, rtld_fini=0x4000d35c
aucu> <_dl_fini>,
aucu> stack_end=0xbffffaec) at ../sysdeps/generic/libc-start.c:111



Best regards,
 Andrew Sitnikov                         
 e-mail : [EMAIL PROTECTED]
GSM    : (+372) 56491109




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

[2001-12-16 08:45:24] [EMAIL PROTECTED]

Well I recompiled with --enable-debug to do as you said, and it now seems to work and 
doesn't crash.

This was with EXACTLY the same options as the first time when it didn't work (except 
--enable-debug). I guess I can only put it down to RedHat 7.0, not the best of 
releases, we intend to upgrade it as soon as we get a chance.

Thanks for your time anyway.

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

[2001-12-16 08:01:31] [EMAIL PROTECTED]

feedback

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

[2001-12-16 08:01:20] [EMAIL PROTECTED]

Can you compile PHP with --enable-debug, and create a new backtrace? THis gives us 
more information (you can do a
'bt full' too, which fives even more useful information.

Derick

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

[2001-12-16 07:57:50] [EMAIL PROTECTED]

May be related to 14534


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

[2001-12-16 07:56:55] [EMAIL PROTECTED]

As a test, I downgraded back to PHP 4.0.6, with identical compile options as before in 
both Apache and PHP and the problem does not occur, so it appears to be PHP 4.1.0 
specific.

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

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the rest of the comments, please view the bug report online at
    http://bugs.php.net/?id=14546


Edit this bug report at http://bugs.php.net/?id=14546&edit=1


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