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avutil/tx_template: Use more unsigned ints to avoid undefined overflows

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Fixes: signed integer overflow: 574590586 - -1875616554 cannot be represented in type 'int'
Fixes: 53914/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5037125846564864

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-12-06 23:44:37 +01:00
parent eb0455d646
commit 9f04055669
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GPG Key ID: B18E8928B3948D64
1 changed files with 2 additions and 2 deletions
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libavutil/tx_template.c
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@ -659,7 +659,7 @@ static void TX_NAME(ff_tx_fft8_ns)(AVTXContext *s, void *_dst,
{
TXComplex *src = _src;
TXComplex *dst = _dst;
TXSample t1, t2, t3, t4, t5, t6, r0, i0, r1, i1;
TXUSample t1, t2, t3, t4, t5, t6, r0, i0, r1, i1;
const TXSample cos = TX_TAB(ff_tx_tab_8)[1];
TX_NAME(ff_tx_fft4_ns)(s, dst, src, stride);
@ -680,7 +680,7 @@ static void TX_NAME(ff_tx_fft16_ns)(AVTXContext *s, void *_dst,
TXComplex *dst = _dst;
const TXSample *cos = TX_TAB(ff_tx_tab_16);
TXSample t1, t2, t3, t4, t5, t6, r0, i0, r1, i1;
TXUSample t1, t2, t3, t4, t5, t6, r0, i0, r1, i1;
TXSample cos_16_1 = cos[1];
TXSample cos_16_2 = cos[2];
TXSample cos_16_3 = cos[3];