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avcodec/wavpack: Fix integer overflow
Fixes: runtime error: signed integer overflow: 227511904 + 1964113935 cannot be represented in type 'int'
Fixes: 2331/clusterfuzz-testcase-minimized-6182185830711296
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 24e95f9d4d
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
@ -219,7 +219,7 @@ static int wv_get_value(WavpackFrameContext *ctx, GetBitContext *gb,
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INC_MED(1);
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DEC_MED(2);
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} else {
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base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2);
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base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2U);
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add = GET_MED(2) - 1;
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INC_MED(0);
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INC_MED(1);
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