avcodec/vp9: Check in decode_tiles() if there is data remaining
Fixes: Timeout Fixes: 9330/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-5707345857347584 Fixes: 9775/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-5643845344690176 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -1306,6 +1306,9 @@ static int decode_tiles(AVCodecContext *avctx,
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decode_sb_mem(td, row, col, lflvl_ptr,
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yoff2, uvoff2, BL_64X64);
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} else {
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if (vpX_rac_is_end(td->c)) {
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return AVERROR_INVALIDDATA;
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}
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decode_sb(td, row, col, lflvl_ptr,
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yoff2, uvoff2, BL_64X64);
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}
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