Re: lua brocken in nse script

[Seth Graham <sadgart () gmail com>]

Hi Patrick,

2010/9/1 Patrick Donnelly <batrick () batbytes com>

> Hello Seth,
>
> On Wed, Sep 1, 2010 at 7:24 AM, Seth Graham <sadgart () gmail com> wrote:
> > Hi to everybody,
> >
> > I'm working in a litlle nse script to find proxys with method CONNECT
> > available. I've test it with some parameters contexts and it works fine,
> > but when it's working with a very large ip range it crash. I don't know
> if
> > it is a nse engine problem (with multithreading maybe?), a problem in my
> > litle script or in lua libraries.
>
> I'm unable to reproduce this problem. I suspect your Nmap is
> configured/compiled improperly. Usually when there are GC segfaults it
> results from two different Lua installations being linked to (usually
> dynamic and static linking). Although, I find this unlikely
> considering where the fault occurred.

I saw from the output that you are using Gentoo. Are you using the
> installation provided by Gentoo or did you compile Nmap yourself? If
> you did it yourself, what options did you use for configure? Did you
> install Lua yourself? Is there anything else peculiar about your
> installation?
>
> --
> - Patrick Donnelly

Yes, I use gentoo and for default my gcc CFLAGS optimizations are set to
-02, configuring nmap 5.21-r1 (with gentoo patches, I attach these) with lua
and ssl support and lua libaries dinamically.

With this optimizations compilation flags all my system is working fine (-02
is not so hard to break code usually), include nmap 'kernel'. If I launch
the same comand withouth NSE (nmap -n -sS -PS8080 -iR 0 -p 8080) it works
fine.

I have compiled nmap with -01 CFLAGS for test, and NSE break another time
with the attached debug file (nse-01.debug). And without any optimization
and too break (nse.debug).

In last, I have compiled nmap 5.35DC1 normally and it works fine.

Cheers,
Seth

Attachment: nse-01.debug
Description:

Attachment: nse.debug
Description:

Attachment: nse.debug
Description:

Attachment: nmap-5.21-openssl-1.patch
Description:

Attachment: nmap-5.21-python.patch
Description:

_______________________________________________
Sent through the nmap-dev mailing list
http://cgi.insecure.org/mailman/listinfo/nmap-dev
Archived at http://seclists.org/nmap-dev/