PHP :: Bug #16801 :: httpd segementation fault at statup

Bug #16801

httpd segementation fault at statup

Submitted:

2002-04-24 13:43 UTC

Modified:

2002-06-27 22:31 UTC

Votes:	8
Avg. Score:	5.0 ± 0.0
Reproduced:	7 of 7 (100.0%)
Same Version:	6 (85.7%)
Same OS:	4 (57.1%)

From:

alexandre dot ghisoli at ycom dot ch

Assigned:

yohgaki (profile)

Status:

Not a bug

Package:

Apache related

PHP Version:

4.2.0

OS:

Linux 2.4.18

Private report:

CVE-ID:

None

View Developer Edit

[2002-04-24 13:43 UTC] alexandre dot ghisoli at ycom dot ch

I started with the new PHP 4.2.0
I use the same build script (protopkg on Slackware) to build
4.1.2 and 4.2.0.

Then, 4.2.0 make a seg fault at startup, I dont know exactly
where.



There is the configure part :

./configure  \
                --prefix=/usr/local	\
		--with-config-file-path=/usr/local/etc/apache	\
		--with-apxs=/usr/local/apache/sbin/apxs	\
		--enable-discard-path	\
		--disable-debug		\
		--enable-track-vars	\
		--enable-trans-sid	\
		--enable-memory-limit	\
		--enable-versioning	\
		--with-openssl		\
		--enable-calendar	\
		--with-bz2		\
		--with-ftp		\
		--with-gd=/usr		\
		--enable-gd-native-ttf	\
		--with-gmp 		\
		--with-xml=shared 	\
		--enable-socket		\
		--with-regex=php	\
		--enable-sysvsem	\
                --enable-sysvshm	\
		--with-ldap		\
		--with-pgsql		\
		--with-mysql		\
		--with-db2		\
		--with-db3		\
		--with-mm		\
		--with-snmp=/usr/local	\
		--with-gettext=/usr	\
		--with-zlib=/usr	\
		--with-imap-ssl=/usr/local	\
		--with-jpeg-dir=/usr/lib	\
                --with-png-dir=/usr/lib		\
                --with-xpm-dir=/usr/X11R6	\
                --with-freetype-dir=/usr/X11R6	\
                --with-ldap=/usr/local		\
                --enable-locale			\
		--with-mcrypt=/usr/local/lib	\
                i686-pc-linux-gnu



The GDB Backtrace :(gdb) run -X
Starting program: /usr/local/apache/sbin/httpd -X

Program received signal SIGSEGV, Segmentation fault.
strcmp (p1=0x0, p2=0x0) at ../sysdeps/generic/strcmp.c:38
38      ../sysdeps/generic/strcmp.c: No such file or directory.
(gdb) bt
#0  strcmp (p1=0x0, p2=0x0) at ../sysdeps/generic/strcmp.c:38
#1  0x4058e2e0 in OBJ_NAME_new_index () from
/usr/local/pgsql/lib/libpq.so.2
Cannot access memory at address 0x1


It seems to be PostgreSQL related, but the same configure
script on same machine for 4.1.2 is okay.

Thanx
     --Alexandre

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[2002-04-24 13:46 UTC] alexandre dot ghisoli at ycom dot ch

Ah, Potgresql is :

postgres@evo-147:...DATABASES/postgresql% psql -V
psql (PostgreSQL) 7.2b3

Regards

[2002-04-24 14:54 UTC] derick@php.net

Assigning to Yasuo.

Derick

[2002-04-24 17:33 UTC] yohgaki@php.net

Could you add --enable-debug in your configure option (w/o any compiler optimization option) and take backtrace again?

Could you paste short & complete script reproduces this segfault?

[2002-04-25 03:33 UTC] alexandre dot ghisoli at ycom dot ch

OOps, 

The module as been compiled with --enable-debug for the
backtrace.

So, this segfault appear at startup !
When I do a apachectl start, it crashes !

If I remove the AddModule directive in httpd.conf, it's
working, apache starts, but I cannot use php, heh.

[2002-04-25 11:22 UTC] j dot richter at wallstreet-develop dot de

It seems to be an openssl problem. I have the same problem, but without openssl it works ( but I don't know why :-( )

Regards : Janko

[2002-04-29 07:06 UTC] vincent at yoric dot net

i am using redhat6.2 with kernel 2.2.19

segfault appear at startup too. here's my configure script which i used for 4.1.2 and 4.0.6

./configure --with-mysql --enable-track-vars=yes --enable-bcmath=yes \
--enable-memory-limit=yes --with-imap=../imap-2001a --enable-debug=no \
--with-apxs --with-config-file-path=/etc/httpd --enable-sockets \
--with-openssl --with-pdflib=/usr/local --with-zlib-dir=/usr --with-zlib=/usr \
--with-gd=/usr --enable-gd-native-tt --with-ttf=/usr \
--with-png-dir=/usr --with-tiff-dir=/usr --with-jpeg-dir=/usr

[2002-04-30 02:28 UTC] yohgaki@php.net

Alexandre,

What happens if you remove SSL option from libpq?
It sounds like you have SSL support in your libpq.

[2002-05-06 09:24 UTC] alexandre dot ghisoli at ycom dot ch

Hi yohgaki, 

Yes, I've SSL enable in Postgres, and this is the same version that use for PHP.

After some search, it seems to be db3 related, conflict between the Glibc version and a fresh one (Berckley-sleepycat) that I use on somes systems (for Squid).

But, I dont know why 4.1.2 can safely link, and 4.2.0 don't ....


Can close this bug for me :-)

Thanks for your time.

       --Alexandre

[2002-06-27 22:31 UTC] sniper@php.net

Closed per user request.

[2002-10-06 22:56 UTC] sierra2 at webrausch dot de

Confirmed.
I encountered exactly the same bug. I'm using Apache+PHP+PostgreSQL and tried upgrading openssl. PHP was compiled with "--with-openssl --with-pgsql" as well, and the PostgreSQL I was using was built with the ssl option before.

Tracked down the problem to not having rebuilt PostgreSQL with the new openssl version as well before using it with PHP and Apache, thus probably creating a version conflict of openssl in the resulting apache binary. I wonder why the build didn't fail ?

However, I now rebuilt PostgreSQL first, afterwards PHP and apache, everything works fine now.

Had to do a 'make clean' in PHP before recompiling, otherwise it wouldn't use the new PostgreSQL build.
cu, Andre

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