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avcodec/msp2dec: Check available space in RLE decoder
Fixes: out of array read Fixes: 32968/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSP2_fuzzer-5315296027082752 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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@ -71,6 +71,7 @@ static int msp2_decode_frame(AVCodecContext *avctx,
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while (bytestream2_get_bytes_left(&gb) && x < width) {
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int size = bytestream2_get_byte(&gb);
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if (size) {
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size = FFMIN(size, bytestream2_get_bytes_left(&gb));
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memcpy(p->data[0] + y * p->linesize[0] + x, gb.buffer, FFMIN(size, width - x));
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bytestream2_skip(&gb, size);
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} else {
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