diff --git a/sys/kern/subr_asan.c b/sys/kern/subr_asan.c
--- a/sys/kern/subr_asan.c
+++ b/sys/kern/subr_asan.c
@@ -44,6 +44,7 @@
 #include <sys/sysctl.h>
 
 #include <machine/asan.h>
+#include <machine/bus.h>
 
 /* ASAN constants. Part of the compiler ABI. */
 #define KASAN_SHADOW_MASK		(KASAN_SHADOW_SCALE - 1)
@@ -1017,6 +1018,32 @@
 ASAN_BUS_SET_FUNC(multi_stream, 4, uint32_t)
 ASAN_BUS_SET_FUNC(region_stream, 4, uint32_t)
 
+#define	ASAN_BUS_PEEK_FUNC(width, type)					\
+	int kasan_bus_space_peek_##width(bus_space_tag_t tag,		\
+	    bus_space_handle_t hnd, bus_size_t offset, type *valuep)	\
+	{								\
+		return (bus_space_peek_##width(tag, hnd, offset,	\
+		    valuep));						\
+	}
+
+ASAN_BUS_PEEK_FUNC(1, uint8_t)
+ASAN_BUS_PEEK_FUNC(2, uint16_t)
+ASAN_BUS_PEEK_FUNC(4, uint32_t)
+ASAN_BUS_PEEK_FUNC(8, uint64_t)
+
+#define	ASAN_BUS_POKE_FUNC(width, type)					\
+	int kasan_bus_space_poke_##width(bus_space_tag_t tag,		\
+	    bus_space_handle_t hnd, bus_size_t offset, type value)	\
+	{								\
+		return (bus_space_poke_##width(tag, hnd, offset,	\
+		    value));						\
+	}
+
+ASAN_BUS_POKE_FUNC(1, uint8_t)
+ASAN_BUS_POKE_FUNC(2, uint16_t)
+ASAN_BUS_POKE_FUNC(4, uint32_t)
+ASAN_BUS_POKE_FUNC(8, uint64_t)
+
 /* -------------------------------------------------------------------------- */
 
 void __asan_register_globals(struct __asan_global *, size_t);