Merge tag 'kbuild-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy...

[sfrench/cifs-2.6.git] / include / linux / compiler_types.h

diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index fb8888678687cdb0359be60026bdab5c84514d2b..2abaa3a825a9ec3f86a69e6e9cf169ad9614b20c 100644 (file)
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -282,11 +282,18 @@ struct ftrace_likely_data {
 #define __no_sanitize_or_inline __always_inline
 #endif
 
+/* Do not trap wrapping arithmetic within an annotated function. */
+#ifdef CONFIG_UBSAN_SIGNED_WRAP
+# define __signed_wrap __attribute__((no_sanitize("signed-integer-overflow")))
+#else
+# define __signed_wrap
+#endif
+
 /* Section for code which can't be instrumented at all */
 #define __noinstr_section(section)                                     \
        noinline notrace __attribute((__section__(section)))            \
        __no_kcsan __no_sanitize_address __no_profile __no_sanitize_coverage \
-       __no_sanitize_memory
+       __no_sanitize_memory __signed_wrap
 
 #define noinstr __noinstr_section(".noinstr.text")