Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1439637

Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support

Show all headers | View raw

On Fri, 8 Jul 2016, Kees Cook wrote:

> Is check_valid_pointer() making sure the pointer is within the usable
> size? It seemed like it was checking that it was within the slub
> object (checks against s->size, wants it above base after moving
> pointer to include redzone, etc).

check_valid_pointer verifies that a pointer is pointing to the start of an
object. It is used to verify the internal points that SLUB used and
should not be modified to do anything different.

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy  support Christoph Lameter <cl@linux.com> - 2016-07-08 15:50 +0200
  Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Kees Cook <keescook@chromium.org> - 2016-07-08 18:10 +0200
    Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy  support Christoph Lameter <cl@linux.com> - 2016-07-08 18:30 +0200
      Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Kees Cook <keescook@chromium.org> - 2016-07-08 19:50 +0200
        Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Kees Cook <keescook@chromium.org> - 2016-07-08 22:50 +0200
          Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Valdis.Kletnieks@vt.edu - 2016-07-09 08:20 +0200
            Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Kees Cook <keescook@chromium.org> - 2016-07-09 19:10 +0200
          Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy  support Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-07-11 08:10 +0200

csiph-web