From: Laurent Aimar <fenrir@videolan.org>
Date: Mon, 12 Sep 2011 18:50:13 +0000 (+0200)
Subject: Check for invalid packet size in the smacker demuxer.
X-Git-Tag: v0.8b1~1523
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e055932f5636a82275837968eea9c8fcb5bca474;p=platform%2Fupstream%2Flibav.git

Check for invalid packet size in the smacker demuxer.

Signed-off-by: Martin Storsjö <martin@martin.st>
---

diff --git a/libavformat/smacker.c b/libavformat/smacker.c
index 2749466..cff1af6 100644
--- a/libavformat/smacker.c
+++ b/libavformat/smacker.c
@@ -304,6 +304,8 @@ static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
             }
             flags >>= 1;
         }
+        if (frame_size < 0)
+            return AVERROR_INVALIDDATA;
         if (av_new_packet(pkt, frame_size + 768))
             return AVERROR(ENOMEM);
         if(smk->frm_size[smk->cur_frame] & 1)