| Message ID | 20240130233140.work.887-kees@kernel.org (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | cca5efe77a6a2d02b3da4960f799fa233e460ab1 |
| Headers | show |
| Series | LoongArch: vDSO: Disable UBSAN instrumentation | expand |
Queued, thanks. Huacai On Wed, Jan 31, 2024 at 7:31 AM Kees Cook <keescook@chromium.org> wrote: > > The vDSO executes in userspace, so the kernel's UBSAN should not > instrument it. Solves these kind of build errors: > > loongarch64-linux-ld: arch/loongarch/vdso/vgettimeofday.o: in function `vdso_shift_ns': > lib/vdso/gettimeofday.c:23:(.text+0x3f8): undefined reference to `__ubsan_handle_shift_out_of_bounds' > > Reported-by: kernel test robot <lkp@intel.com> > Closes: https://lore.kernel.org/oe-kbuild-all/202401310530.lZHCj1Zl-lkp@intel.com/ > Cc: Huacai Chen <chenhuacai@kernel.org> > Cc: WANG Xuerui <kernel@xen0n.name> > Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> > Cc: Nathan Chancellor <nathan@kernel.org> > Cc: Masahiro Yamada <masahiroy@kernel.org> > Cc: Fangrui Song <maskray@google.com> > Cc: loongarch@lists.linux.dev > Signed-off-by: Kees Cook <keescook@chromium.org> > --- > arch/loongarch/vdso/Makefile | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/loongarch/vdso/Makefile b/arch/loongarch/vdso/Makefile > index c74c9921304f..f597cd08a96b 100644 > --- a/arch/loongarch/vdso/Makefile > +++ b/arch/loongarch/vdso/Makefile > @@ -2,6 +2,7 @@ > # Objects to go into the VDSO. > > KASAN_SANITIZE := n > +UBSAN_SANITIZE := n > KCOV_INSTRUMENT := n > > # Include the generic Makefile to check the built vdso. > -- > 2.34.1 >
diff --git a/arch/loongarch/vdso/Makefile b/arch/loongarch/vdso/Makefile index c74c9921304f..f597cd08a96b 100644 --- a/arch/loongarch/vdso/Makefile +++ b/arch/loongarch/vdso/Makefile @@ -2,6 +2,7 @@ # Objects to go into the VDSO. KASAN_SANITIZE := n +UBSAN_SANITIZE := n KCOV_INSTRUMENT := n # Include the generic Makefile to check the built vdso.
The vDSO executes in userspace, so the kernel's UBSAN should not instrument it. Solves these kind of build errors: loongarch64-linux-ld: arch/loongarch/vdso/vgettimeofday.o: in function `vdso_shift_ns': lib/vdso/gettimeofday.c:23:(.text+0x3f8): undefined reference to `__ubsan_handle_shift_out_of_bounds' Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202401310530.lZHCj1Zl-lkp@intel.com/ Cc: Huacai Chen <chenhuacai@kernel.org> Cc: WANG Xuerui <kernel@xen0n.name> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Fangrui Song <maskray@google.com> Cc: loongarch@lists.linux.dev Signed-off-by: Kees Cook <keescook@chromium.org> --- arch/loongarch/vdso/Makefile | 1 + 1 file changed, 1 insertion(+)