Hi,
Please pull these hardened usercopy fixes for v4.8-rc4.
Thanks!
-Kees
The following changes since commit ef0e1ea8856bed6ff8394d3dfe77f2cab487ecea:
Merge tag 'arc-4.8-rc4-fixes' of
git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc (2016-08-22 17:53:02
-0500)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git
tags/usercopy-v4.8-rc4
for you to fetch changes up to 94cd97af690dd9537818dc9841d0ec68bb1dd877:
usercopy: fix overlap check for kernel text (2016-08-22 19:10:51 -0700)
----------------------------------------------------------------
Fixes for hardened usercopy:
- avoid signed math problems on unexpected compilers
- avoid false positives at very end of kernel text range checks
----------------------------------------------------------------
Eric Biggers (1):
usercopy: avoid potentially undefined behavior in pointer math
Josh Poimboeuf (1):
usercopy: fix overlap check for kernel text
mm/usercopy.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--
Kees Cook
Nexus Security
