Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: [email protected]
---
libavcodec/indeo5.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavcodec/indeo5.c b/libavcodec/indeo5.c
index dc5f6f0..d731c4b 100644
--- a/libavcodec/indeo5.c
+++ b/libavcodec/indeo5.c
@@ -520,6 +520,12 @@ static int decode_mb_info(IVI45DecContext *ctx,
IVIBandDesc *band,
mv_x += IVI_TOSIGNED(mv_delta);
mb->mv_x = mv_x;
mb->mv_y = mv_y;
+ if (mv_x < 0 || mv_y < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid mv %d %d\n",
+ mv_x, mv_y);
+ mb->mv_x = mb->mv_y = 0;
+ return AVERROR_INVALIDDATA;
+ }
}
}
}
--
1.8.2.1
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