The UBSAN instrumentation cannot work in the vDSO since it is executing in userspace, so disable it in the Makefile. Fixes the build failures such as:
arch/sparc/vdso/vclock_gettime.c:217: undefined reference to `__ubsan_handle_shift_out_of_bounds' Signed-off-by: Kees Cook <[email protected]> --- Cc: "David S. Miller" <[email protected]> Cc: Andreas Larsson <[email protected]> Cc: Masahiro Yamada <[email protected]> Cc: Sam Ravnborg <[email protected]> Cc: Helge Deller <[email protected]> Cc: Guo Ren <[email protected]> Cc: [email protected] --- arch/sparc/vdso/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile index 7f5eedf1f5e0..e8aef2c8ae99 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -2,6 +2,7 @@ # # Building vDSO images for sparc. # +UBSAN_SANITIZE := n # files to link into the vdso vobjs-y := vdso-note.o vclock_gettime.o -- 2.34.1
