--- zzzz-none-000/linux-4.4.271/drivers/firmware/efi/libstub/Makefile	2021-06-03 06:22:09.000000000 +0000
+++ maple-fsgw-759/linux-4.4.271/drivers/firmware/efi/libstub/Makefile	2023-12-20 10:37:08.000000000 +0000
@@ -23,6 +23,9 @@
 GCOV_PROFILE			:= n
 KASAN_SANITIZE			:= n
 
+# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
+KCOV_INSTRUMENT			:= n
+
 lib-y				:= efi-stub-helper.o
 
 # include the stub's generic dependencies from lib/ when building for ARM/arm64