diff --git a/scripts/basop_create_ignorelist_for_ubsan.py b/scripts/basop_create_ignorelist_for_ubsan.py
new file mode 100644
index 0000000000000000000000000000000000000000..7369fc6c9f59730027337a26d6d1bf64e4945040
--- /dev/null
+++ b/scripts/basop_create_ignorelist_for_ubsan.py
@@ -0,0 +1,9 @@
+import pathlib
+
+all_c_files = pathlib.Path(".").glob("lib_*/*.c")
+ivas_c_files = pathlib.Path(".").glob("lib_*/ivas*.c")
+non_ivas_c_files = sorted(set(all_c_files) - set(ivas_c_files))
+
+with open("ubsan_ignorelist.txt", "w") as f:
+    for cfile in non_ivas_c_files:
+        print(f"src:{cfile}", file=f)