On (10/21/15 08:57), Steffen Klassert wrote: > > --- a/net/xfrm/xfrm_user.c > > +++ b/net/xfrm/xfrm_user.c > > @@ -2659,7 +2659,7 @@ static int xfrm_notify_sa(struct xfrm_state *x, const > > struct km_event *c) > > if (attr == NULL) > > goto out_free_skb; > > > > - p = nla_data(attr); > > + p = PTR_ALIGN(nla_data(attr), __alignof__(*p)); > > Hm, this breaks userspace notifications on 64-bit systems. > Userspace expects this to be aligned to 4, with your patch > it is aligned to 8 on 64-bit. > > Without your patch I get the correct notification when deleting a SA: >
But __alignof__(*p) is 8 on sparc, and without the patch I get all types of unaligned access. So what do you suggest as the fix? (and openswan/pluto dont flag any errors with the patch, which is a separate bug). --Sowmini -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
