Messages in this thread | | | From | Nick Desaulniers <> | Date | Tue, 17 Oct 2023 08:24:02 -0700 | Subject | Re: [tip: x86/bugs] x86/retpoline: Ensure default return thunk isn't used at runtime |
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+ Marco, Dmitry
On Mon, Oct 16, 2023 at 10:28 PM Josh Poimboeuf <jpoimboe@kernel.org> wrote: > > On Tue, Oct 17, 2023 at 04:31:09AM +0000, Kaplan, David wrote: > > Perhaps another option would be to not compile these two files with KCSAN, as they are already excluded from KASAN and GCOV it looks like. > > I think the latter would be the easy fix, does this make it go away?
Yeah, usually when I see the other sanitizers being disabled on a per object basis, I think "where there's smoke, there's fire."
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Reported-by: Nathan Chancellor <nathan@kernel.org> Closes: https://lore.kernel.org/lkml/20231016214810.GA3942238@dev-arch.thelio-3990X/
> > diff --git a/init/Makefile b/init/Makefile > index ec557ada3c12..cbac576c57d6 100644 > --- a/init/Makefile > +++ b/init/Makefile > @@ -60,4 +60,5 @@ include/generated/utsversion.h: FORCE > $(obj)/version-timestamp.o: include/generated/utsversion.h > CFLAGS_version-timestamp.o := -include include/generated/utsversion.h > KASAN_SANITIZE_version-timestamp.o := n > +KCSAN_SANITIZE_version-timestamp.o := n > GCOV_PROFILE_version-timestamp.o := n > diff --git a/scripts/Makefile.vmlinux b/scripts/Makefile.vmlinux > index 3cd6ca15f390..c9f3e03124d7 100644 > --- a/scripts/Makefile.vmlinux > +++ b/scripts/Makefile.vmlinux > @@ -19,6 +19,7 @@ quiet_cmd_cc_o_c = CC $@ > > ifdef CONFIG_MODULES > KASAN_SANITIZE_.vmlinux.export.o := n > +KCSAN_SANITIZE_.vmlinux.export.o := n > GCOV_PROFILE_.vmlinux.export.o := n > targets += .vmlinux.export.o > vmlinux: .vmlinux.export.o >
-- Thanks, ~Nick Desaulniers
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