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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-08-28 00:17:41 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-08-30 16:18:37 +0200 |
| commit | 659658d08bb2e7219001795c78efd24f381446e2 (patch) | |
| tree | d417b522e25c2b2e143cdaf783a94a9fdeb1a3da | |
| parent | b54c7797c515dd050a39d8d00e75eab726c3c7c3 (diff) | |
| download | ffmpeg-659658d08bb2e7219001795c78efd24f381446e2.tar.gz | |
avcodec/cfhd: Check transform type
Fixes: out of array access
Fixes: 24823/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-4855119863349248
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/cfhd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/cfhd.c b/libavcodec/cfhd.c index d014aa2bb7..ea35f03869 100644 --- a/libavcodec/cfhd.c +++ b/libavcodec/cfhd.c @@ -490,6 +490,10 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame, av_log(avctx, AV_LOG_ERROR, "Invalid transform type\n"); ret = AVERROR(EINVAL); break; + } else if (data == 1) { + av_log(avctx, AV_LOG_ERROR, "unsupported transform type\n"); + ret = AVERROR_PATCHWELCOME; + break; } s->transform_type = data; av_log(avctx, AV_LOG_DEBUG, "Transform type %"PRIu16"\n", data); |