Re: Dangerous use of alloca

[Justus Winter]

Hi,

Quoting Agustina Arzille (2016-03-15 14:11:27)
> Hello, everyone.
> 
> I was browsing some gnumach source files, and noticed some dangerous use
> of the gcc builtin 'alloca'. In the file kern/bootstrap.c, lines 212 and
> 228, we have the following statement:
> 
> memcpy (alloca (len), ...)

Good catch.  However, alloca is dangerous even if used correctly, and
is best be avoided.  Would you be so kind to prepare a patch to that
end?

Thanks,
Justus