diff --git a/tests/files/README b/tests/files/README
index 1e14378a..734b828b 100644
--- a/tests/files/README
+++ b/tests/files/README
@@ -256,3 +256,8 @@
     the end of the file). The Check type is None to nullify certain
     simple size-based sanity checks in a Block decoder.
 
+    bad-1-lzma2-11.xz has LZMA2 stream that lacks the end of
+    payload marker. When Compressed Size bytes have been decoded,
+    Uncompressed Size bytes of output will have been produced but
+    the LZMA2 decoder doesn't indicate end of stream.
+
diff --git a/tests/files/bad-1-lzma2-11.xz b/tests/files/bad-1-lzma2-11.xz
new file mode 100644
index 00000000..ce857b67
Binary files /dev/null and b/tests/files/bad-1-lzma2-11.xz differ