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avcodec/nuv: rtjpeg with dimensions less than 16 would result in no decoded pixels thus reject it

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Fixes: Timeout
Fixes: 6297/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-4882404863901696

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 939440ad1a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-02-27 15:17:12 +01:00
parent e623800387
commit f4fe702258
1 changed files with 3 additions and 0 deletions
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3
libavcodec/nuv.c
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@ -199,6 +199,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
case NUV_RTJPEG_IN_LZO: case NUV_RTJPEG_IN_LZO:
case NUV_RTJPEG: case NUV_RTJPEG:
keyframe = !buf[2]; keyframe = !buf[2];
if (c->width < 16 || c->height < 16) {
return AVERROR_INVALIDDATA;
}
break; break;
case NUV_COPY_LAST: case NUV_COPY_LAST:
keyframe = 0; keyframe = 0;