On Tuesday, January 3, 2017 2:09:16 PM CET Andy Lutomirski wrote: > > > >> When > >> ADDR_LIMIT_EXPLICIT is in effect, prctl can set a 64-bit numeric > >> limit. If ADDR_LIMIT_EXPLICIT is cleared, the prctl value stops being > >> settable and reading it via prctl returns whatever is implied by the > >> other personality bits. > > > > I don't see anything wrong with it, but I'm a bit confused now > > what this would be good for, compared to using just prctl. > > > > Is this about setuid clearing the personality but not the prctl, > > or something else? > > It's to avid ambiguity as to what happens if you set ADDR_LIMIT_32BIT > and use the prctl. ISTM it would be nice for the semantics to be > fully defined in all cases. > Ok, got it. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
