[FFmpeg-devel] [PATCH] smc: check for frame dimensions

[Xiao Yang]

---
 libavcodec/smc.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libavcodec/smc.c b/libavcodec/smc.c
index 3cb4834..fc1d308 100644
--- a/libavcodec/smc.c
+++ b/libavcodec/smc.c
@@ -421,6 +421,13 @@ static av_cold int smc_decode_init(AVCodecContext *avctx)
     s->avctx = avctx;
     avctx->pix_fmt = AV_PIX_FMT_PAL8;
 
+    if (!avctx->width || !avctx->height ||
+        (avctx->width & 1) || (avctx->height & 1)) {
+        av_log(avctx, AV_LOG_ERROR, "Invalid video dimensions: %dx%d\n",
+               avctx->width, avctx->height);
+        return AVERROR(EINVAL);
+    }
+
     s->frame = av_frame_alloc();
     if (!s->frame)
         return AVERROR(ENOMEM);
-- 
1.7.9.5