[PATCH] linux,tce-size property is 32 bits

Nathan Lynch ntl at pobox.com
Fri Oct 6 00:32:44 EST 2006

Benjamin Herrenschmidt wrote:
> On Wed, 2006-10-04 at 22:28 -0500, Nathan Lynch wrote:
> > The "linux,tce-size" property is only 32 bits (see
> > prom_initialize_tce_table() in arch/powerpc/kernel/prom_init.c).
> > Treating it as an unsigned long in iommu_table_setparms() leads to
> > access beyond the end of the property's buffer, so we pass garbage to
> > the memset() in that function.
> Probably needs to go into stable as well. Do you know if RHEL5 is
> affected too ?

AFAICT this was introduced by the "Constify & voidify get_property()"
series which went in post-2.6.18 so no backport for -stable is
needed.  Not sure about RHEL5.

More information about the Linuxppc-dev mailing list