[Samba] stack smashing problem
idra at samba.org
Mon May 15 01:44:26 GMT 2006
On Sun, 2006-05-14 at 18:01 -0700, Jeremy Allison wrote:
> On Mon, May 15, 2006 at 12:07:10AM +0200, Matthias et Laura wrote:
> > Hi all,
> > I have a problem with my smbd daemon, on a hardened linux from scratch
> > server :
> > kernel 22.214.171.124
> > glibc 2.3.6 with fstack protector
> > grsecurity 2.1.8 patch
> > gcc 3.4.5 with stack smashing protector
> > samba 3.0.22
> > When starting smbd, I do not have any problem, the daemon is running,
> > but all his childs die.
> > I have the following log message, repeated several times :
> > smbd: stack smashing attack in function open_sockets_smbd()
> > So it seems that the open_sockets_smbd function does something that the
> > stack smashing protection find weird.
> > Do you have any idea ?
> More details please. What is the "stack smashing protector" and
> what does it do ?
One of the many "security" techniques to prevent stack overflow attacks
A couple of pointers from a quick search on the mighty Google from
Samba Team GPL Compliance Officer
email: idra at samba.org
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