Fixes null pointer dereference
Fixes: ficvf.avi
Found-by: Piotr Bandurski <ami_st...@o2.pl>
Signed-off-by: Michael Niedermayer <michae...@gmx.at>
---
libavcodec/fic.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/libavcodec/fic.c b/libavcodec/fic.c
index d08d240..5615e69 100644
--- a/libavcodec/fic.c
+++ b/libavcodec/fic.c
@@ -282,8 +282,13 @@ static int fic_decode_frame(AVCodecContext *avctx, void
*data,
av_log(avctx, AV_LOG_WARNING, "Invalid FIC Header.\n");
/* Is it a skip frame? */
- if (src[17])
+ if (src[17]) {
+ if (!ctx->final_frame) {
+ av_log(avctx, AV_LOG_WARNING, "Initial frame is skipped\n");
+ return AVERROR_INVALIDDATA;
+ }
goto skip;
+ }
nslices = src[13];
if (!nslices) {
--
1.7.9.5
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