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avcodec/takdec: Fixes: integer overflow in AV_SAMPLE_FMT_U8P output

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Fixes: runtime error: signed integer overflow: 2147483543 + 128 cannot be represented in type 'int'
Fixes: 2234/clusterfuzz-testcase-minimized-6266896041115648

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 27c2006805)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2017-06-18 14:37:19 +02:00
parent e46f8c96d0
commit d5abcaacb3
1 changed files with 1 additions and 1 deletions
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2
libavcodec/takdec.c
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@@ -878,7 +878,7 @@ static int tak_decode_frame(AVCodecContext *avctx, void *data,
uint8_t *samples = (uint8_t *)frame->extended_data[chan]; uint8_t *samples = (uint8_t *)frame->extended_data[chan];
int32_t *decoded = s->decoded[chan]; int32_t *decoded = s->decoded[chan];
for (i = 0; i < s->nb_samples; i++) for (i = 0; i < s->nb_samples; i++)
samples[i] = decoded[i] + 0x80; samples[i] = decoded[i] + 0x80U;
} }
break; break;
case AV_SAMPLE_FMT_S16P: case AV_SAMPLE_FMT_S16P: