From: Matt Joiner <anacrolix@gmail.com>
Date: Tue, 24 Mar 2015 05:46:34 +0000 (+1100)
Subject: Fix crash from bad metadata_size in extended handshake
X-Git-Tag: v1.0.0~1251
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=03e69c5464b3b92defdfd8b4e8b69661221f8170;p=btrtrc.git

Fix crash from bad metadata_size in extended handshake
---

diff --git a/torrent.go b/torrent.go
index b2eebdca..0f302c72 100644
--- a/torrent.go
+++ b/torrent.go
@@ -346,7 +346,7 @@ func (t *torrent) setMetadataSize(bytes int64) {
 	if t.MetaData != nil {
 		return
 	}
-	if bytes > 10000000 { // 10MB, pulled from my ass.
+	if bytes <= 0 || bytes > 10000000 { // 10MB, pulled from my ass.
 		return
 	}
 	t.MetaData = make([]byte, bytes)