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Bug #26410 child pid 15598 exit signal Segmentation fault (11)
Submitted: 2003-11-25 12:22 UTC Modified: 2003-12-01 03:17 UTC
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: miguelangel dot gonzalez at itesm dot mx Assigned:
Status: No Feedback Package: Reproducible crash
PHP Version: 4.3.4 OS: AIX 4.3.3 maintenance 10
Private report: No CVE-ID: None
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From: miguelangel dot gonzalez at itesm dot mx
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 [2003-11-25 12:22 UTC] miguelangel dot gonzalez at itesm dot mx
Hi, i got the problem of the segmentation fault.
I'm running Apache 1.3.29 with php 4.3.4, and compiling with postgresql-7.3.4, perl-5.8.0, mysql-standard-4.0.16.

Whe running a product from (issuetracker 4.0.1) i got the error.
With other php pages works correct.
The page i got is blank and the error in log is this:
[Mon Nov 24 14:51:27 2003] [notice] child pid 26790 exit signal Segmentation fault (11)

I have tried with recent snapshots, but the problem persist.

Here are my configure lines for apache and PHP.
./configure --with-apache=../apache_1.3.29 \
       --with-pgsql=/usr/local/pgsql \
       --with-mysql=/usr/local/mysql \
       --with-oracle=/u00/app/oracle/product/8.1.7 \
       --enable-sigchild --enable-debug 

 cd apache_1.3.x
       ./configure --prefix=/usr/local/apache \
            --with-perl=/usr/local/bin \

Thanks in advance.     

Reproduce code:
The url is

Expected result:
I expect a login page.

Actual result:
I got blank page and the error in log.
Here is the backtrace.

Core was generated by `httpd'.
Program terminated with signal 11, Segmentation fault.
#0  0xd016dd54 in leftmost () from /usr/lib/libc.a(shr.o)
(gdb) bt
#0  0xd016dd54 in leftmost () from /usr/lib/libc.a(shr.o)
#1  0xd016f9d8 in malloc_y () from /usr/lib/libc.a(shr.o)
#2  0xd016cd9c in malloc () from /usr/lib/libc.a(shr.o)
#3  0x1018bff0 in ?? ()
(gdb) quit


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 [2003-11-25 14:24 UTC]
Not enough information was provided for us to be able
to handle this bug. Please re-read the instructions at

If you can provide more information, feel free to add it
to this bug and change the status back to "Open".

Thank you for your interest in PHP.

 [2003-11-25 15:33 UTC] miguelangel dot gonzalez at itesm dot mx
Hi, thanks for answer.
Don't know what specific information i have to provide, but i'll try.
The issuetraker is a helpdesk environment developed in PHP.
When i tried to acces de login page (index.php), i got a blanck page telling me that it could no be accesible.
But if i access other php pages, they work well.
When i view the apache logs to see what happend, i see the "child pid 15598 exit signal Segmentation fault (11)" error. I did the backtrace as is described here, maybe it doesn't show so much information..
I worked in php.ini changin register_globals = off, and the like, but the problem persist, even if i tried with snapshots of php from here. The problem shows also in version lowers than 4.3.4 of php.
I put a directory with the php files here:
i'm not an expert in php, maybe it has something to do with sessions or something like that.
Hope it helps, if not, let me know what other nformation do you need.
 [2003-11-25 15:34 UTC] miguelangel dot gonzalez at itesm dot mx
I forgot, i renamed the index.php (which is the one is crashing i think) to start.php in order to let you access the complete directory.
Thanks in advande.
 [2003-11-25 15:43 UTC]
We're busy people who can't start installing every single PHP app out there and start digging which part of it MIGHT be causing some crash in an OS we haven't got access to.

So you need to come up with the shortest possible example script that we can use to see which might be the reason for the crash. And to get better GDB output, compile PHP with --enable-debug (use fresh sources!)

 [2003-12-01 03:17 UTC]
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.

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