diff options
| author | Kees Cook <keescook@chromium.org> | 2016-06-23 15:59:42 -0700 |
|---|---|---|
| committer | Sami Tolvanen <samitolvanen@google.com> | 2016-09-06 15:54:13 +0000 |
| commit | 2f40fdd6bc0e1beca522657d3c9242e7b25917a2 (patch) | |
| tree | f3c16e0e47dfceed5da449b3e9f6d21e26587211 /arch/arm64/kernel | |
| parent | 073fcda55b357777cc3edaa2e67060cd8d78dbb3 (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>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/arm64ksyms.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/kernel/arm64ksyms.c b/arch/arm64/kernel/arm64ksyms.c index 3b6d8cc9dfe0..c654df05b7d7 100644 --- a/arch/arm64/kernel/arm64ksyms.c +++ b/arch/arm64/kernel/arm64ksyms.c @@ -33,8 +33,8 @@ EXPORT_SYMBOL(copy_page); EXPORT_SYMBOL(clear_page); /* user mem (segment) */ -EXPORT_SYMBOL(__copy_from_user); -EXPORT_SYMBOL(__copy_to_user); +EXPORT_SYMBOL(__arch_copy_from_user); +EXPORT_SYMBOL(__arch_copy_to_user); EXPORT_SYMBOL(__clear_user); EXPORT_SYMBOL(__copy_in_user); |