Thread (152 messages) 152 messages, 21 authors, 2021-08-13
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Revisions (2)
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  2. v2 [diff vs current]

[PATCH 61/64] Makefile: Enable -Warray-bounds

From: Kees Cook <hidden>
Date: 2021-07-27 21:08:47
Also in: dri-devel, linux-hardening, linux-kbuild, linux-staging, linux-wireless, lkml, netdev
Subsystem: kernel build + files below scripts/ (unless maintained elsewhere), the rest · Maintainers: Nathan Chancellor, Nicolas Schier, Linus Torvalds

With the recent fixes for flexible arrays and expanded FORTIFY_SOURCE
coverage, it is now possible to enable -Warray-bounds. Since both
GCC and Clang include -Warray-bounds in -Wall, we just need to stop
disabling it.

Co-developed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kees Cook <redacted>
---
 Makefile | 1 -
 1 file changed, 1 deletion(-)
diff --git a/Makefile b/Makefile
index 6f781a199624..77d01ba3d4e1 100644
--- a/Makefile
+++ b/Makefile
@@ -1089,7 +1089,6 @@ 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, array-bounds)
 KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)
 
 # Another good warning that we'll want to enable eventually
-- 
2.30.2
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