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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-05-01 20:12:12 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-05-09 22:07:26 +0200 |
| commit | c7f95d2bd938b440f1d9310ce4785a28dcb44a09 (patch) | |
| tree | e9ca56f5aa4bac7d6fb953f7498494bd839148e4 /libavcodec | |
| parent | 8d77debf7dab556b93ea9e936a7762b8e31420ac (diff) | |
| download | ffmpeg-c7f95d2bd938b440f1d9310ce4785a28dcb44a09.tar.gz | |
avcodec/fic: Check input size against minimal frame size
Fixes: Timeout (22sec ->54ms)
Fixes: 14439/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FIC_fuzzer-5660988231122944
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/fic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/fic.c b/libavcodec/fic.c index 65d102b86b..540078eda1 100644 --- a/libavcodec/fic.c +++ b/libavcodec/fic.c @@ -356,7 +356,7 @@ static int fic_decode_frame(AVCodecContext *avctx, void *data, sdata = src + tsize + FIC_HEADER_SIZE + 4 * nslices; msize = avpkt->size - nslices * 4 - tsize - FIC_HEADER_SIZE; - if (msize <= 0) { + if (msize <= ctx->aligned_width/8 * (ctx->aligned_height/8) / 8) { av_log(avctx, AV_LOG_ERROR, "Not enough frame data to decode.\n"); return AVERROR_INVALIDDATA; } |