Messages in this thread | | | Date | Tue, 12 Dec 2017 08:08:31 -0800 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH tip/core/rcu 02/20] torture: Prepare scripting for shift from %p to %pK |
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On Mon, Dec 11, 2017 at 11:59:30AM -0800, Kees Cook wrote: > On Sun, Dec 10, 2017 at 1:47 PM, Paul E. McKenney > <paulmck@linux.vnet.ibm.com> wrote: > > On Sun, Dec 10, 2017 at 12:39:11PM -0800, Linus Torvalds wrote: > >> I'd rather make %pK act more like %p than have gratuitous differences. > > The feature that paranoid folks currently depend on is getting a value > entirely zeroed out with %pK (which is the least possible info leak > risk). The hashed %p is almost just as good except that identical > hashes are still usable to confirm matching values (but the cases > where this would be useful to an attacker are hopefully approaching > zero). > > > So it looks like I should drop the three patches in my tree that convert > > %p to %pK. > > > > Any objections? > > Sounds good. If they're still useful when hashed, keep the %p. If you > want to remove them because they're sensitive, just remove them > instead of adding new %pK users.
OK, I have dropped those three patches.
Thanx, Paul
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