Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.15 21/34] sparc: vdso: Disable UBSAN instrumentation | Date | Fri, 29 Mar 2024 08:47:22 -0400 |
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From: Kees Cook <keescook@chromium.org>
[ Upstream commit d4be85d068b4418c341f79b654399f7f0891069a ]
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'
Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://lore.kernel.org/all/20240224073617.GA2959352@ravnborg.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/sparc/vdso/Makefile | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile index c5e1545bc5cf9..d0f6487d1e790 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -2,6 +2,7 @@ # # Building vDSO images for sparc. # +UBSAN_SANITIZE := n VDSO64-$(CONFIG_SPARC64) := y VDSOCOMPAT-$(CONFIG_COMPAT) := y -- 2.43.0
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