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diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h
--- a/sys/sys/cdefs.h
+++ b/sys/sys/cdefs.h
@@ -712,21 +712,33 @@
* GCC has the nosanitize attribute, but as a function attribute only, and
* warns on use as a variable attribute.
*/
-#if __has_attribute(no_sanitize) && defined(__clang__)
+#if __has_feature(address_sanitizer) && defined(__clang__)
#ifdef _KERNEL
-#define __nosanitizeaddress __attribute__((no_sanitize("kernel-address")))
-#define __nosanitizememory __attribute__((no_sanitize("kernel-memory")))
+#define __nosanitizeaddress __attribute__((no_sanitize("kernel-address")))
#else
-#define __nosanitizeaddress __attribute__((no_sanitize("address")))
-#define __nosanitizememory __attribute__((no_sanitize("memory")))
+#define __nosanitizeaddress __attribute__((no_sanitize("address")))
#endif
-#define __nosanitizecoverage __attribute__((no_sanitize("coverage")))
-#define __nosanitizethread __attribute__((no_sanitize("thread")))
#else
-#define __nosanitizeaddress
-#define __nosanitizecoverage
-#define __nosanitizememory
-#define __nosanitizethread
+#define __nosanitizeaddress
+#endif
+#if __has_feature(coverage_sanitizer) && defined(__clang__)
+#define __nosanitizecoverage __attribute__((no_sanitize("coverage")))
+#else
+#define __nosanitizecoverage
+#endif
+#if __has_feature(memory_sanitizer) && defined(__clang__)
+#ifdef _KERNEL
+#define __nosanitizememory __attribute__((no_sanitize("kernel-memory")))
+#else
+#define __nosanitizememory __attribute__((no_sanitize("memory")))
+#endif
+#else
+#define __nosanitizememory
+#endif
+#if __has_feature(thread_sanitizer) && defined(__clang__)
+#define __nosanitizethread __attribute__((no_sanitize("thread")))
+#else
+#define __nosanitizethread
#endif
/*

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