From e8a0ce643a5e00e768f31387000cdddb2a93cb44 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Fri, 31 May 2019 17:49:37 +0200
Subject: [PATCH] tag/Generic: fail if InputStream is not seekable

---
 src/tag/Generic.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/tag/Generic.cxx b/src/tag/Generic.cxx
index d810d0cb7..e564730c6 100644
--- a/src/tag/Generic.cxx
+++ b/src/tag/Generic.cxx
@@ -31,6 +31,9 @@
 bool
 ScanGenericTags(InputStream &is, TagHandler &handler)
 {
+	if (!is.IsSeekable())
+		return false;
+
 	if (tag_ape_scan2(is, handler))
 		return true;