Commit 00a4f836 authored by Kees Cook's avatar Kees Cook
Browse files

Makefile: Enable -Wzero-length-bounds 



With all known internal zero-length accesses fixed, it is possible to
enable -Wzero-length-bounds globally. Since this is included by default
in -Warray-bounds, we just need to stop disabling it.

Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: linux-kbuild@vger.kernel.org
Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Reviewed-by: default avatarNick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/lkml/CAKwvOd=bcs5W6eEDXGn5ROR2EuMiSp_2e6sLFxak=KK6yLWcvA@mail.gmail.com
parent e6148767

Makefile

+0 −1
Original line number Original line Diff line number Diff line
@@ -951,7 +951,6 @@ KBUILD_CFLAGS += $(call cc-option, -Wcast-function-type) 
KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)

KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)





# We'll want to enable this eventually, but it's not going away for 5.7 at least

# We'll want to enable this eventually, but it's not going away for 5.7 at least

KBUILD_CFLAGS += $(call cc-disable-warning, zero-length-bounds)

KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)

KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)





# Another good warning that we'll want to enable eventually

# Another good warning that we'll want to enable eventually