> Please cc the guilty parties when sending patches like this.
Crud, sorry about that.
Can we add a comment at the end of include/linux/auxvec.h that says you
need to update this? Then plebs like me are less likely to miss it in
future.
Mikey
> Also, just out of interest, please describe how this bug affected
> things. Did we overflow the saved_auxv[] array, or what? Also, how
> does this change affect architectures that _don't_ have that
> ELF_HWCAP2 thing, ie everything but powerpc?
>
> Acks, people?
>
> Linus
>
> On Mon, Dec 23, 2013 at 9:49 AM, Ard Biesheuvel
> <ard.biesheuvel@xxxxxxxxxx> wrote:
> > Commit 2171364d1a92 (powerpc: Add HWCAP2 aux entry) introduced a new
> > AT_ auxv entry type AT_HWCAP2 but failed to update AT_VECTOR_SIZE_BASE
> > accordingly.
> >
> > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> > Fixes: 2171364d1a92 (powerpc: Add HWCAP2 aux entry)
> > Cc: stable@xxxxxxxxxxxxxxx
> > ---
> >
> > include/linux/auxvec.h | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h
> > index 669fef5..3e0fbe4 100644
> > --- a/include/linux/auxvec.h
> > +++ b/include/linux/auxvec.h
> > @@ -3,6 +3,6 @@
> >
> > #include <uapi/linux/auxvec.h>
> >
> > -#define AT_VECTOR_SIZE_BASE 19 /* NEW_AUX_ENT entries in auxiliary table */
> > +#define AT_VECTOR_SIZE_BASE 20 /* NEW_AUX_ENT entries in auxiliary table */
> > /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */
> > #endif /* _LINUX_AUXVEC_H */
> > --
> > 1.8.3.2
> >
>
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