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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-10-15 23:40:21 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-11-09 15:57:33 +0100 |
| commit | 03ea8d8cd45e55eeb9675c38184dc2149710a557 (patch) | |
| tree | 5bf67f77c9ffd55f6829e69de1ee43d665f8c73e | |
| parent | 2a8785966ca18bac2dae6de66df4d92f7f66b6a3 (diff) | |
| download | ffmpeg-streaming-03ea8d8cd45e55eeb9675c38184dc2149710a557.zip ffmpeg-streaming-03ea8d8cd45e55eeb9675c38184dc2149710a557.tar.gz | |
avcodec/dstdec: Check read_table() for failure
Fixes: Timeout (too long -> 42sec)
Fixes: 18181/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5736646250594304
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/dstdec.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libavcodec/dstdec.c b/libavcodec/dstdec.c index 48271b1..e0519d2 100644 --- a/libavcodec/dstdec.c +++ b/libavcodec/dstdec.c @@ -302,11 +302,15 @@ static int decode_frame(AVCodecContext *avctx, void *data, /* Filter Coef Sets (10.12) */ - read_table(gb, &s->fsets, fsets_code_pred_coeff, 7, 9, 1, 0); + ret = read_table(gb, &s->fsets, fsets_code_pred_coeff, 7, 9, 1, 0); + if (ret < 0) + return ret; /* Probability Tables (10.13) */ - read_table(gb, &s->probs, probs_code_pred_coeff, 6, 7, 0, 1); + ret = read_table(gb, &s->probs, probs_code_pred_coeff, 6, 7, 0, 1); + if (ret < 0) + return ret; /* Arithmetic Coded Data (10.11) */ |
