diff --git a/tools/testing/selftests/bpf/bpf_kfuncs.h b/tools/testing/selftests/bpf/bpf_kfuncs.h
index 0cd4111f954cdab34c30cf37c76bcedb32e61745..14ebe7d9e1a3652e6fb95f2383a5c6b9ece834fb 100644
--- a/tools/testing/selftests/bpf/bpf_kfuncs.h
+++ b/tools/testing/selftests/bpf/bpf_kfuncs.h
@@ -9,7 +9,7 @@ struct bpf_sock_addr_kern;
  *  Error code
  */
 extern int bpf_dynptr_from_skb(struct __sk_buff *skb, __u64 flags,
-    struct bpf_dynptr *ptr__uninit) __ksym;
+    struct bpf_dynptr *ptr__uninit) __ksym __weak;
 
 /* Description
  *  Initializes an xdp-type dynptr
@@ -17,7 +17,7 @@ extern int bpf_dynptr_from_skb(struct __sk_buff *skb, __u64 flags,
  *  Error code
  */
 extern int bpf_dynptr_from_xdp(struct xdp_md *xdp, __u64 flags,
-			       struct bpf_dynptr *ptr__uninit) __ksym;
+			       struct bpf_dynptr *ptr__uninit) __ksym __weak;
 
 /* Description
  *  Obtain a read-only pointer to the dynptr's data
@@ -26,7 +26,7 @@ extern int bpf_dynptr_from_xdp(struct xdp_md *xdp, __u64 flags,
  *  buffer if unable to obtain a direct pointer
  */
 extern void *bpf_dynptr_slice(const struct bpf_dynptr *ptr, __u32 offset,
-			      void *buffer, __u32 buffer__szk) __ksym;
+			      void *buffer, __u32 buffer__szk) __ksym __weak;
 
 /* Description
  *  Obtain a read-write pointer to the dynptr's data
@@ -35,13 +35,13 @@ extern void *bpf_dynptr_slice(const struct bpf_dynptr *ptr, __u32 offset,
  *  buffer if unable to obtain a direct pointer
  */
 extern void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr *ptr, __u32 offset,
-			      void *buffer, __u32 buffer__szk) __ksym;
+			      void *buffer, __u32 buffer__szk) __ksym __weak;
 
-extern int bpf_dynptr_adjust(const struct bpf_dynptr *ptr, __u32 start, __u32 end) __ksym;
-extern bool bpf_dynptr_is_null(const struct bpf_dynptr *ptr) __ksym;
-extern bool bpf_dynptr_is_rdonly(const struct bpf_dynptr *ptr) __ksym;
-extern __u32 bpf_dynptr_size(const struct bpf_dynptr *ptr) __ksym;
-extern int bpf_dynptr_clone(const struct bpf_dynptr *ptr, struct bpf_dynptr *clone__init) __ksym;
+extern int bpf_dynptr_adjust(const struct bpf_dynptr *ptr, __u32 start, __u32 end) __ksym __weak;
+extern bool bpf_dynptr_is_null(const struct bpf_dynptr *ptr) __ksym __weak;
+extern bool bpf_dynptr_is_rdonly(const struct bpf_dynptr *ptr) __ksym __weak;
+extern __u32 bpf_dynptr_size(const struct bpf_dynptr *ptr) __ksym __weak;
+extern int bpf_dynptr_clone(const struct bpf_dynptr *ptr, struct bpf_dynptr *clone__init) __ksym __weak;
 
 /* Description
  *  Modify the address of a AF_UNIX sockaddr.