RE: [PHP-DEV] PHP 4.0 Bug #9136: simple script with infinite function calls causes seg fault
| From: | Sean R. Bright | Date: | Tue, 06 Feb 2001 23:10:32 +0000 |
| Subject: | RE: [PHP-DEV] PHP 4.0 Bug #9136: simple script with infinite function calls causes seg fault | ||
| References: | 1 | Groups: | php.dev |
| Request: | Send a blank email to php-dev+get-45891@lists.php.net to get a copy of this message | ||
Dear Zak:
Because I don't consider it a problem that needs solving. I am probably
overlooking some notoriously famous algorithm, but I can't think of a valid
reason for such functionality to exist unless someone is purposely trying to
bring a system to its knees.
Sean
> -----Original Message-----
> From: Zak Greant [mailto:zak@nucleus.com]
> Sent: Tuesday, February 06, 2001 5:40 PM
> To: elixer@erols.com; php-dev@lists.php.net
> Subject: Re: [PHP-DEV] PHP 4.0 Bug #9136: simple script with infinite
> function calls causes seg fault
>
>
> Dear Sean,
>
> Your resume indicates that you have a wealth of skills that
> can be applied
> to this problem. It would also seem that you understand the
> open source
> ethic. Why would you not look at solving the problem yourself?
>
> --zak
>
>
>
> ----- Original Message -----
> From: "Sean R. Bright" <elixer@erols.com>
> To: <php-dev@lists.php.net>
> Sent: Tuesday, February 06, 2001 3:17 PM
> Subject: RE: [PHP-DEV] PHP 4.0 Bug #9136: simple script with infinite
> function calls causes seg fault
>
>
> > <sarcasm>
> > Yes, I found this feature of PHP quite useful when I wanted
> to crash the
> > server. There are many places on the web that you can
> download these
> very
> > useful applications that call functions infinitely. The
> applications for
> > this type of code are innumerable.
> > </sarcasm>
> >
> > Sean
> > --
> > ===================================================================
> > Sean Bright
> > elixer@erols.com / sean@seanbright.com /
> > http://www.seanbright.com/
> > ===================================================================
> >
> > > -----Original Message-----
> > > From: nathan@synop.com [mailto:nathan@synop.com]
> > > Sent: Tuesday, February 06, 2001 5:18 PM
> > > To: php-dev@lists.php.net
> > > Subject: [PHP-DEV] PHP 4.0 Bug #9136: simple script with infinite
> > > function calls causes seg fault
> > >
> > >
> > > From: nathan@synop.com
> > > Operating system: red hat 7.0
> > > PHP version: 4.0.4pl1
> > > PHP Bug Type: Reproduceable crash
> > > Bug description: simple script with infinite function calls
> > > causes seg fault
> > >
> > > -------------------
> > > <%
> > >
> > > function a () {
> > > b();
> > > }
> > >
> > > function b () {
> > > a();
> > > }
> > >
> > > a();
> > >
> > > %>
> > >
> > > <h1>done</h1>
> > > ---------------------
> > >
> > > The simple script above causes a seg fault. If you need more
> > > info on configuration etc please mail me. We made this
> > > simple example from a more compilcated instance. This bug
> > > was also present in 4.0.3pl1, we upgraded to try and stop the
> > > seg fault...
> > >
> > > thanks!
> > >
> > >
> > > --
> > > Edit Bug report at:
> > > http://bugs.php.net/?id=9136&edit=1
> > >
> > >
> > >
> > > --
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