virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-21 10:55:51 +02:00
Code Issues Releases Activity

avcodec/fic: Check if a frame is available before using it

Browse Source 
Fixes null pointer dereference
Fixes: ficvf.avi
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-08-14 05:32:44 +02:00
parent fccd85b9f3
commit 1b5ec6a0c3
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libavcodec/fic.c
View File

@ -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) {