Doing all*config builds attempts build as much as possible. UBSAN_TRAP
effectively short-circuits lib/usban.c, so it should be disabled for
COMPILE_TEST so that the lib/ubsan.c code gets built.

Signed-off-by: Kees Cook <[email protected]>
---
 lib/Kconfig.ubsan | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
index 1fc07f936e06..b5b9da0b635a 100644
--- a/lib/Kconfig.ubsan
+++ b/lib/Kconfig.ubsan
@@ -14,6 +14,7 @@ if UBSAN
 
 config UBSAN_TRAP
        bool "On Sanitizer warnings, abort the running kernel code"
+       depends on !COMPILE_TEST
        depends on $(cc-option, -fsanitize-undefined-trap-on-error)
        help
          Building kernels with Sanitizer features enabled tends to grow
-- 
2.25.1

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