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| author | Thomas Weißschuh <linux@weissschuh.net> | 2025-04-19 13:46:24 +0300 |
|---|---|---|
| committer | Thomas Weißschuh <linux@weissschuh.net> | 2025-04-19 15:18:16 +0300 |
| commit | 8509b5c9fa981f7e17874605af86d26159310d3c (patch) | |
| tree | 7b0852afc79f32b355e440cca130e5de6098e685 | |
| parent | 6478251f95121ae4b66e987c98482e0d0b149e5d (diff) | |
| download | linux-8509b5c9fa981f7e17874605af86d26159310d3c.tar.xz | |
selftests/nolibc: enable UBSAN if available
UBSAN detects undefined behaviour at runtime.
To avoid introduction of new UB, enable UBSAN for nolibc-test.
By signalling detected errors through traps no runtime dependency
is necessary.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250419-nolibc-ubsan-v2-7-060b8a016917@weissschuh.net
| -rw-r--r-- | tools/testing/selftests/nolibc/Makefile | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile index aa05c1faac20..94f3e8be7a68 100644 --- a/tools/testing/selftests/nolibc/Makefile +++ b/tools/testing/selftests/nolibc/Makefile @@ -189,9 +189,10 @@ ifeq ($(origin XARCH),command line) CFLAGS_XARCH = $(CFLAGS_$(XARCH)) endif CFLAGS_STACKPROTECTOR ?= $(call cc-option,-mstack-protector-guard=global $(call cc-option,-fstack-protector-all)) +CFLAGS_SANITIZER ?= $(call cc-option,-fsanitize=undefined -fsanitize-trap=all) CFLAGS ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wextra \ $(call cc-option,-fno-stack-protector) $(call cc-option,-Wmissing-prototypes) \ - $(CFLAGS_XARCH) $(CFLAGS_STACKPROTECTOR) $(CFLAGS_EXTRA) + $(CFLAGS_XARCH) $(CFLAGS_STACKPROTECTOR) $(CFLAGS_SANITIZER) $(CFLAGS_EXTRA) LDFLAGS := LIBGCC := -lgcc |