[Samba] stack smashing problem

[Jeremy Allison]

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 2.6.24.6
> 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 ?

Jeremy.