xenia-project/FFmpeg
1
0
Fork 0
mirror of https://github.com/xenia-project/FFmpeg.git synced 2024-11-24 03:59:43 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

avcodec/kgv1dec: Check that there is enough input for maximum RLE compression

Browse Source 
Fixes: Timeout
Fixes: 4271/clusterfuzz-testcase-4676667768307712

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-11-22 20:14:54 +01:00
parent 38f966b222
commit 3aad94bf2b
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
libavcodec/kgv1dec.c
View File

@ -62,6 +62,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
h = (buf[1] + 1) * 8;
buf += 2;
if (avpkt->size < 2 + w*h / 513)
return AVERROR_INVALIDDATA;
if (w != avctx->width || h != avctx->height) {
av_freep(&c->frame_buffer);
av_freep(&c->last_frame_buffer);