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authorKees Cook2023-04-04 19:23:59 -0700
committerKees Cook2023-05-16 13:57:14 -0700
commit2d47c6956ab3c8b580a59d7704aab3e2a4882b6c (patch)
treea7ba0b39fcc87447ba745221e110aed69f62d680 /scripts
parentf1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6 (diff)
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')
-rw-r--r--scripts/Makefile.ubsan2
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