RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avcodec/y41pdec: Fix width in input buffer size check 

Fixes: out of array read
Fixes: 1437/clusterfuzz-testcase-minimized-4569970002362368

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-10 14:33:27 +02:00
parent 2b06f2d2e2
commit 3d8d372947
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/y41pdec.c
View File

@ -43,7 +43,7 @@ static int y41p_decode_frame(AVCodecContext *avctx, void *data,
uint8_t *y, *u, *v;
int i, j, ret;
if (avpkt->size < 3LL * avctx->height * avctx->width / 2) {
if (avpkt->size < 3LL * avctx->height * FFALIGN(avctx->width, 8) / 2) {
av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n");
return AVERROR(EINVAL);
}