1 files changed, 24 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/snprintf_btf_void.c b/tools/testing/selftests/bpf/progs/snprintf_btf_void.c
new file mode 100644
index 000000000000..44af80fbbb80
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/snprintf_btf_void.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "btf_ptr.h"
+#include <bpf/bpf_helpers.h>
+
+__u32 type_id;
+/* A buffer we own to render the selected type from, kept in bounds. */
+char obj[256];
+char out[64];
+long ret;
+
+SEC("raw_tp/sys_enter")
+int dump_type(void *ctx)
+{
+	struct btf_ptr ptr = {
+		.ptr = obj,
+		.type_id = type_id,
+		.flags = 0,
+	};
+
+	ret = bpf_snprintf_btf(out, sizeof(out), &ptr, sizeof(ptr), 0);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";