X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fsmacker.c;h=995ef41a4e6c28d4d9d6a8a4f50ef669e55e0a1d;hb=34d2bf30a082d489487493df40496cc18ca4300b;hp=274946696c94d0c8be7b9bcbb674d6eb19736200;hpb=47a8589f7bc69d1a29da1dfdfbd0dfa78a9e31fd;p=ffmpeg

diff --git a/libavformat/smacker.c b/libavformat/smacker.c
index 274946696c9..995ef41a4e6 100644
--- a/libavformat/smacker.c
+++ b/libavformat/smacker.c
@@ -304,7 +304,9 @@ static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
             }
             flags >>= 1;
         }
-        if (av_new_packet(pkt, frame_size + 768))
+        if (frame_size < 0)
+            return AVERROR_INVALIDDATA;
+        if (av_new_packet(pkt, frame_size + 769))
             return AVERROR(ENOMEM);
         if(smk->frm_size[smk->cur_frame] & 1)
             palchange |= 2;