diff mbox series

[v2,4/7] ubsan: Disable UBSAN_TRAP for all*config

Message ID 20201203004437.389959-5-keescook@chromium.org (mailing list archive)
State New, archived
Headers show
Series Clean up UBSAN Makefile | expand

Commit Message

Kees Cook Dec. 3, 2020, 12:44 a.m. UTC 
Doing all*config builds attempts to 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.

Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
---
 lib/Kconfig.ubsan | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
index 4190a99b1eaa..6e8b67d4b0d9 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