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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-10 19:02:05 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-23 13:15:17 +0200 |
| commit | cd300c5601ed483b0e225e490520e39957e2d0ea (patch) | |
| tree | 5488edc1c0fc495926dc004e939b08184a8788e3 | |
| parent | 889450b2b27f22f7ce7a897fc7e169191643976d (diff) | |
| download | ffmpeg-cd300c5601ed483b0e225e490520e39957e2d0ea.tar.gz | |
avcodec/eatqi: Fix runtime error: signed integer overflow: 4466147 * 1075 cannot be represented in type 'int'
Fixes: 1443/clusterfuzz-testcase-minimized-4826998612426752
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a8de60ba2740185c53cabbee6c00ed67a0d530e2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/eatqi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c index 864291a95c..2c92d5027d 100644 --- a/libavcodec/eatqi.c +++ b/libavcodec/eatqi.c @@ -93,7 +93,7 @@ static inline void tqi_idct_put(TqiContext *t, AVFrame *frame, int16_t (*block)[ static void tqi_calculate_qtable(MpegEncContext *s, int quant) { - const int qscale = (215 - 2*quant)*5; + const int64_t qscale = (215 - 2*quant)*5; int i; s->intra_matrix[0] = (ff_inv_aanscales[0]*ff_mpeg1_default_intra_matrix[0])>>11; for(i=1; i<64; i++) |