Port-powerpc archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: Empty bootargs ....



> Excerpts from netbsd: 19-Dec-96 Re: Empty bootargs .... 
> ws%kurt.tools.de@localhost (858*)
> 
> > >     for (cp = bootpath + strlen(bootpath) + 1; --cp >= bootpath;) {
> 
> > Hmm, arguably this isn't unsafe, as the boot code guarrantees that the
> > arguments are not empty.
> 
> Worse than that, the change above doesn't fix the problem any way :-(

I found that it was necessary to copy the string passed into a different
buffer in initppc. Otherwise the string being accessed was from the
memory space of the boot program not the kernels memory space.
(Ok,  as I recall it was on the stack and stack not 1-1 on my system ...)

Dale



Home | Main Index | Thread Index | Old Index