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Bug #22893 session_start() causes apache segfault/crash
Submitted: 2003-03-26 05:34 UTC Modified: 2003-04-23 04:32 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:0 (0.0%)
From: juvenal dot jr at uol dot com dot br Assigned:
Status: Not a bug Package: Session related
PHP Version: 4.3.1 OS: Red Hat 7.3
Private report: No CVE-ID: None
View Developer Edit
 [2003-03-26 05:34 UTC] juvenal dot jr at uol dot com dot br 
I'm having a problem here with PHP 4.3.1 and RH 7.3 with the latest packages from RHN (apache-1.3.27-2, glibc-2.2.5-43), and a kernel with SGI XFS patches applied (kernel-2.4.18-4SGI_XFS_1.1). When compiled with --disable-debug, I got the Segmentation fault problem with session_start(), but when I use --enable-debug on compile, the SEGV simply vanishes. I'd like to ask if there is another way to get important info to fix it (I cannot use the --enable-debug version on the production server because I need Zend Optimizer and Zend Debugger, and they only work with the --disable-debug version of PHP).
I'm available to solve this with you, as this is my primary concern now.
I'm waiting your answer.

Cheers,

Juvenal A. Silva Jr.

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 [2003-03-26 05:53 UTC] magnus@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php4-STABLE-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-STABLE-latest.zip

And what compiler and version of it are you using ?
 [2003-03-26 06:40 UTC] juvenal dot jr at uol dot com dot br 
I tried the standard one with RH 7.3 (gcc-2.96.110) and the updated RHN (gcc-2.96-113). Both gave me the same results.
 [2003-03-26 09:29 UTC] iliaa@php.net 
Does the crash occur when you do not use Zend Optimizer and Zend Debugger?
 [2003-03-26 09:30 UTC] magnus@php.net 
Try the snapshot.
 [2003-03-26 10:13 UTC] juvenal dot jr at uol dot com dot br 
To iliaa@php.net:
It happen with and/or without Zend Optimizer and Debugger.

To magnus@php.net:
I'm compiling it right now. As soon as I test it, I'll put another comment.
 [2003-03-26 10:29 UTC] juvenal dot jr at uol dot com dot br 
I just installed the CVS-STABLE snapshot, but the results remain the same. A Segmentation Fault on session_start() only when the file exists (the session was already created).
The problem occurs with and/or without Zend Optimizer/Debugger.
What else can I do try/do?
 [2003-03-27 03:43 UTC] magnus@php.net 
What's your configure line ?
 [2003-03-27 06:52 UTC] sniper@php.net 
See http://gcc.gnu.org/gcc-2.96.html and upgrade to an official version first..
 [2003-03-27 07:36 UTC] juvenal dot jr at uol dot com dot br 
My configure line is:
configure
        --prefix=/usr \
        --with-config-file-path=/etc \
        --disable-debug \
        --enable-pic \
        --disable-rpath \
        --enable-safe-mode \
        --enable-inline-optimization \
        --enable-memory-limit \
        --enable-zend-multibyte \
        --enable-shared \
        --enable-libgcc \
        --enable-sigchild \
        --with-tsrm-pthreads \
        --with-layout=GNU \
        --enable-dbase \
        --enable-bcmath \
        --enable-exif \
        --enable-ftp \
        --enable-magic-quotes \
        --enable-safe-mode \
        --enable-sockets \
        --enable-sysvmsg \
        --enable-sysvsem \
        --enable-sysvshm \
        --enable-discard-path \
        --enable-track-vars \
        --enable-trans-sid \
        --enable-yp \
        --enable-wddx \
        --enable-bcmath \
        --enable-shmop \
        --enable-versioning \
        --enable-calendar \
        --enable-dbx \
        --enable-dio \
        --enable-mbstring \
        --enable-mbregex \
        --enable-thread-safety \
        --with-openssl \
        --with-qtdom \
        --with-readline \
        --with-zlib \
        --with-bz2 \
        --with-db3 \
        --with-flatfile \
        --with-curl \
        --with-dom=/usr \
        --with-exec-dir=/usr/bin \
        --with-freetype-dir=/usr \
        --with-png-dir=/usr \
        --with-gd \
        --enable-gd-native-ttf \
        --with-ttf \
        --with-gdbm \
        --with-gettext \
        --with-ncurses \
        --with-gmp \
        --with-iconv \
        --with-jpeg-dir=/usr \
        --with-mm \
        --with-png \
        --with-pspell \
        --with-regex=system \
        --with-xml \
        --with-expat-dir=/usr \
        --with-imap=shared \
        --with-imap-ssl \
        --with-kerberos=/usr/kerberos \
        --with-ldap=shared \
        --with-snmp=shared \
        --enable-ucd-snmp-hack \
        --with-mysql=shared,/usr \
        --with-pgsql=shared \
        --with-unixODBC=shared \
        --with-informix=shared,/opt/informix \
        --enable-force-cgi-redirect \
        --with-apxs=/usr/sbin/apxs
 [2003-03-27 07:47 UTC] juvenal dot jr at uol dot com dot br 
To sniper@php.net:

I'm not sure if I can change the compiler to 2.95 or 3.0, since all other packages, including the kernel and glibc main lib where compiled with the gcc 2.96.
It'll be a great effort to change everything, and I'll be out of the standard RH distribution (something that I'm avoiding). Is there another option?
 [2003-03-28 06:50 UTC] juvenal dot jr at uol dot com dot br 
Any other options to try? Do you find any fix for this?

Cheers,

Juvenal A. Silva Jr.
 [2003-04-23 04:32 UTC] sniper@php.net 
No other options, 2.96 is borked.
 
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