1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index c8ae6ab31651..1b9b18e5b03c 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -760,6 +760,22 @@ struct bpf_prog *bpf_prog_ksym_find(unsigned long addr)
 	       NULL;
 }
 
+bool bpf_has_frame_pointer(unsigned long ip)
+{
+	struct bpf_ksym *ksym;
+	unsigned long offset;
+
+	guard(rcu)();
+
+	ksym = bpf_ksym_find(ip);
+	if (!ksym || !ksym->fp_start || !ksym->fp_end)
+		return false;
+
+	offset = ip - ksym->start;
+
+	return offset >= ksym->fp_start && offset < ksym->fp_end;
+}
+
 const struct exception_table_entry *search_bpf_extables(unsigned long addr)
 {
 	const struct exception_table_entry *e = NULL;