From fa9bf5afc88accdb727fd61da5f311e871b7759b Mon Sep 17 00:00:00 2001
From: Marcos Pinto <markybob@dipconsultants.com>
Date: Mon, 1 Oct 2007 02:20:03 +0000
Subject: [PATCH] add valid fast check

---
 libtorrent/src/peer_connection.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libtorrent/src/peer_connection.cpp b/libtorrent/src/peer_connection.cpp
index 535a90142..5ef96ec5b 100755
--- a/libtorrent/src/peer_connection.cpp
+++ b/libtorrent/src/peer_connection.cpp
@@ -1597,6 +1597,15 @@ namespace libtorrent
 			&& t->have_piece(index))
 			return;
 
+		if (index < 0 || index >= int(m_have_piece.size()))
+		{
+#ifdef TORRENT_VERBOSE_LOGGING
+			(*m_logger) << time_now_string() << " <== INVALID_ALLOWED_FAST [ " << index << " | s: "
+				<< int(m_have_piece.size()) << " ]\n";
+#endif
+			return;
+		}
+
 		m_allowed_fast.push_back(index);
 
 		// if the peer has the piece and we want
@@ -3021,3 +3030,4 @@ namespace libtorrent
 	}
 }
 
+