[FFmpeg-cvslog] avcodec/takdec: Fixes: integer overflow in AV_SAMPLE_FMT_U8P output

[Michael Niedermayer]

ffmpeg | branch: release/2.8 | Michael Niedermayer <michael at niedermayer.cc> | Sun Jun 18 14:37:19 2017 +0200| [5aa7d228cbad009939f8d4d6739bb456472a0297] | committer: Michael Niedermayer

avcodec/takdec: Fixes: integer overflow in AV_SAMPLE_FMT_U8P output

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 at niedermayer.cc>
(cherry picked from commit 27c20068054d8c6786833234f7b6db19f1e98362)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5aa7d228cbad009939f8d4d6739bb456472a0297
---

 libavcodec/takdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/takdec.c b/libavcodec/takdec.c
index 97cdb622c8..fd4c6483d2 100644
--- a/libavcodec/takdec.c
+++ b/libavcodec/takdec.c
@@ -884,7 +884,7 @@ static int tak_decode_frame(AVCodecContext *avctx, void *data,
             uint8_t *samples = (uint8_t *)frame->extended_data[chan];
             int32_t *decoded = s->decoded[chan];
             for (i = 0; i < s->nb_samples; i++)
-                samples[i] = decoded[i] + 0x80;
+                samples[i] = decoded[i] + 0x80U;
         }
         break;
     case AV_SAMPLE_FMT_S16P: