RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-23 15:53:08 +00:00
Code Issues Projects Releases Wiki Activity

avcodec/vb: Check input packet size to be large enough to contain flags

Browse Source 
Fixes: Timeout (->9sec)
Fixes: 16292/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VB_fuzzer-5747063496638464

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 2019-08-12 00:21:49 +02:00
parent 37bc8e3249
commit dea2591d4f
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/vb.c
View File

@ -199,6 +199,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
uint32_t size;
int offset = 0;
if (avpkt->size < 2)
return AVERROR_INVALIDDATA;
bytestream2_init(&c->stream, avpkt->data, avpkt->size);
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)