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[v3,5/5] Makefile: Enable -Wzero-length-bounds

Message ID 20210827163015.3141722-6-keescook@chromium.org (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

Kees Cook Aug. 27, 2021, 4:30 p.m. UTC 
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: Kees Cook <keescook@chromium.org>
---
 Makefile | 1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/Makefile b/Makefile
index 8e7e73a642e2..8e732e875e78 100644
--- a/Makefile
+++ b/Makefile
@@ -994,7 +994,6 @@  KBUILD_CFLAGS += -Wno-pointer-sign
 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
-KBUILD_CFLAGS += $(call cc-disable-warning, zero-length-bounds)
 KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)
 
 # Another good warning that we'll want to enable eventually