diff --git a/tools/bpf/bpftool/btf_dumper.c b/tools/bpf/bpftool/btf_dumper.c
index 4e896d8a2416e..89715c32a1a38 100644
--- a/tools/bpf/bpftool/btf_dumper.c
+++ b/tools/bpf/bpftool/btf_dumper.c
@@ -38,7 +38,9 @@ static int dump_prog_id_as_func_ptr(const struct btf_dumper *d,
 	__u32 info_len = sizeof(info);
 	const char *prog_name = NULL;
 	struct btf *prog_btf = NULL;
-	struct bpf_func_info finfo;
+	/* Initialize finfo to silence -Wuninitialized-const-pointer warning
+	 * in clang >= 21. */
+	struct bpf_func_info finfo = {};
 	__u32 finfo_rec_size;
 	char prog_str[1024];
 	int err;
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 9722d841abc05..1e2801c82330c 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -2262,7 +2262,9 @@ static void profile_print_readings(void)
 
 static char *profile_target_name(int tgt_fd)
 {
-	struct bpf_func_info func_info;
+	/* Initialize func_info to silence -Wuninitialized-const-pointer
+	 * warning in clang >= 21. */
+	struct bpf_func_info func_info = {};
 	struct bpf_prog_info info = {};
 	__u32 info_len = sizeof(info);
 	const struct btf_type *t;