On Fri, Apr 7, 2017 at 3:12 PM, Andrew Morton <[email protected]> wrote: > On Fri, 7 Apr 2017 14:53:23 -0700 Kees Cook <[email protected]> wrote: > >> > Eddie Kovsky (2): >> > module: verify address is read-only >> > extable: verify address is read-only >> > >> > include/linux/kernel.h | 2 ++ >> > include/linux/module.h | 12 ++++++++++++ >> > kernel/extable.c | 29 +++++++++++++++++++++++++++ >> > kernel/module.c | 53 >> > ++++++++++++++++++++++++++++++++++++++++++++++++++ >> > 4 files changed, 96 insertions(+) >> >> Andrew, do you have these in your mailbox (it went to lkml), or should >> I resend them directly to you? Since they depend on the >> __start_ro_after_init naming fixes in -mm, it seemed like it'd be best >> to carry these two patches there. If so, please consider them both: >> >> Acked-by: Kees Cook <[email protected]> >> >> (And, from the thread on the module patch, Jessica has Acked that one too.) > > Well I grabbed them, but the patches don't actually do anything - they > add interfaces with no users. What's the plan here?
I'd like to have a way for interfaces (especially the various *_register()) to be able to check that a structure is either const or __ro_after_init. My expectation is to add those and similar sanity-checks now that we can do so. -Kees -- Kees Cook Pixel Security
