diff options
| author | Kees Cook <keescook@chromium.org> | 2023-04-04 19:23:59 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2023-05-16 13:57:14 -0700 |
| commit | 2d47c6956ab3c8b580a59d7704aab3e2a4882b6c (patch) | |
| tree | a7ba0b39fcc87447ba745221e110aed69f62d680 /scripts/Makefile.ubsan | |
| parent | f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6 (diff) | |
| download | lwn-2d47c6956ab3c8b580a59d7704aab3e2a4882b6c.tar.gz lwn-2d47c6956ab3c8b580a59d7704aab3e2a4882b6c.zip | |
ubsan: Tighten UBSAN_BOUNDS on GCC
The use of -fsanitize=bounds on GCC will ignore some trailing arrays,
leaving a gap in coverage. Switch to using -fsanitize=bounds-strict to
match Clang's stricter behavior.
Cc: Marco Elver <elver@google.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Tom Rix <trix@redhat.com>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Miroslav Benes <mbenes@suse.cz>
Cc: linux-kbuild@vger.kernel.org
Cc: llvm@lists.linux.dev
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230405022356.gonna.338-kees@kernel.org
Diffstat (limited to 'scripts/Makefile.ubsan')
| -rw-r--r-- | scripts/Makefile.ubsan | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan index 7099c603ff0a..4749865c1b2c 100644 --- a/scripts/Makefile.ubsan +++ b/scripts/Makefile.ubsan @@ -2,7 +2,7 @@ # Enable available and selected UBSAN features. ubsan-cflags-$(CONFIG_UBSAN_ALIGNMENT) += -fsanitize=alignment -ubsan-cflags-$(CONFIG_UBSAN_ONLY_BOUNDS) += -fsanitize=bounds +ubsan-cflags-$(CONFIG_UBSAN_BOUNDS_STRICT) += -fsanitize=bounds-strict ubsan-cflags-$(CONFIG_UBSAN_ARRAY_BOUNDS) += -fsanitize=array-bounds ubsan-cflags-$(CONFIG_UBSAN_LOCAL_BOUNDS) += -fsanitize=local-bounds ubsan-cflags-$(CONFIG_UBSAN_SHIFT) += -fsanitize=shift |