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(parent: 073fcda) | patch
BACKPORT: arm64/uaccess: Enable hardened usercopy
authorKees Cook <keescook@chromium.org>
Thu, 23 Jun 2016 22:59:42 +0000 (15:59 -0700)
committerSami Tolvanen <samitolvanen@google.com>
Tue, 6 Sep 2016 15:54:13 +0000 (15:54 +0000)
commit2f40fdd6bc0e1beca522657d3c9242e7b25917a2
treef3c16e0e47dfceed5da449b3e9f6d21e26587211tree | snapshot (tar.gz zip)
parent073fcda55b357777cc3edaa2e67060cd8d78dbb3commit | diff
BACKPORT: arm64/uaccess: Enable hardened usercopy

Enables CONFIG_HARDENED_USERCOPY checks on arm64. As done by KASAN in -next,
renames the low-level functions to __arch_copy_*_user() so a static inline
can do additional work before the copy.

Signed-off-by: Kees Cook <keescook@chromium.org>
Change-Id: I1286cae8e6ffcf12ea54ddd62f1a6d2ce742c8d0
(cherry picked from commit faf5b63e294151d6ac24ca6906d6f221bd3496cd)
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
arch/arm64/Kconfig diff | blob | blame | history
arch/arm64/include/asm/uaccess.h diff | blob | blame | history
arch/arm64/kernel/arm64ksyms.c diff | blob | blame | history
arch/arm64/lib/copy_from_user.S diff | blob | blame | history
arch/arm64/lib/copy_to_user.S diff | blob | blame | history