torrentfs: Reading an offset past the end of a file caused out of bounds panic

2014-06-26 01:36:25 +10:00 · 2014-06-26 01:36:25 +10:00 · c509f0b1ea
parent e7cb8a138b
commit c509f0b1ea
1 changed files with 2 additions and 2 deletions
--- a/fs/torrentfs.go
+++ b/fs/torrentfs.go
@ -56,8 +56,8 @@ func (fn fileNode) Read(req *fuse.ReadRequest, resp *fuse.ReadResponse, intr fus
 	if int64(fn.size)-req.Offset < int64(size) {
 		size = int(int64(fn.size) - req.Offset)
 	}
-	if size == 0 {
-		return nil
+	if size < 0 {
+		size = 0
 	}
 	infoHash := torrent.BytesInfoHash(fn.metaInfo.InfoHash)
 	torrentOff := fn.TorrentOffset + req.Offset