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a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Clang changed the way it enables UBSan trapping mode. Update the Makefile logic to discover it. Suggested-by: Fangrui Song Link: https://lore.kernel.org/lkml/CAFP8O3JivZh+AAV7N90Nk7U2BHRNST6MRP0zHtf= Q-Vj0m4+pDA@mail.gmail.com/ Reviewed-by: Fangrui Song Reviewed-by: Justin Stitt Cc: Nathan Chancellor Cc: Masahiro Yamada Cc: Nicolas Schier Cc: Nick Desaulniers Cc: Bill Wendling Cc: linux-kbuild@vger.kernel.org Cc: llvm@lists.linux.dev Signed-off-by: Kees Cook --- scripts/Makefile.ubsan | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan index 4749865c1b2c..7cf42231042b 100644 --- a/scripts/Makefile.ubsan +++ b/scripts/Makefile.ubsan @@ -10,6 +10,6 @@ ubsan-cflags-$(CONFIG_UBSAN_DIV_ZERO) +=3D -fsanitize=3D= integer-divide-by-zero ubsan-cflags-$(CONFIG_UBSAN_UNREACHABLE) +=3D -fsanitize=3Dunreachable ubsan-cflags-$(CONFIG_UBSAN_BOOL) +=3D -fsanitize=3Dbool ubsan-cflags-$(CONFIG_UBSAN_ENUM) +=3D -fsanitize=3Denum -ubsan-cflags-$(CONFIG_UBSAN_TRAP) +=3D -fsanitize-undefined-trap-on-error +ubsan-cflags-$(CONFIG_UBSAN_TRAP) +=3D $(call cc-option,-fsanitize-trap= =3Dundefined,-fsanitize-undefined-trap-on-error) =20 export CFLAGS_UBSAN :=3D $(ubsan-cflags-y) --=20 2.34.1