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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-09-30 18:54:07 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-10-04 02:16:11 +0200 |
| commit | d662143f064636f11d92083cd9aa4f907cf97d59 (patch) | |
| tree | ff96368cf21cdb2792a490c02e41a507d5130d25 | |
| parent | 44874b4f5ec2c605c70393573b9d85540ebc2d81 (diff) | |
| download | ffmpeg-d662143f064636f11d92083cd9aa4f907cf97d59.tar.gz | |
avcodec/dxv: Check for end of input in dxv_decompress_dxt5()
Fixes: Timeout
Fixes: 3291/clusterfuzz-testcase-4630024655208448
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/dxv.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c index 6f3c075d06..529e211258 100644 --- a/libavcodec/dxv.c +++ b/libavcodec/dxv.c @@ -197,6 +197,8 @@ static int dxv_decompress_dxt5(AVCodecContext *avctx) AV_WL32(ctx->tex_data + 4 * pos, prev); pos++; } else { + if (bytestream2_get_bytes_left(gbc) < 1) + return AVERROR_INVALIDDATA; if (state == 0) { value = bytestream2_get_le32(gbc); state = 16; |