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-rw-r--r--libavcodec/hnm4video.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/hnm4video.c b/libavcodec/hnm4video.c
index 678d283d47..f394032288 100644
--- a/libavcodec/hnm4video.c
+++ b/libavcodec/hnm4video.c
@@ -453,7 +453,9 @@ static av_cold int hnm_decode_init(AVCodecContext *avctx)
hnm->buffer2 = av_mallocz(avctx->width * avctx->height);
hnm->processed = av_mallocz(avctx->width * avctx->height);
- if (!hnm->buffer1 || !hnm->buffer2 || !hnm->processed) {
+ if ( !hnm->buffer1 || !hnm->buffer2 || !hnm->processed
+ || avctx->width * avctx->height == 0
+ || avctx->height % 2) {
av_log(avctx, AV_LOG_ERROR, "av_mallocz() failed\n");
av_freep(&hnm->buffer1);
av_freep(&hnm->buffer2);