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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-10 19:02:05 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-16 16:00:23 +0200 |
| commit | e4def6e0b6085db85765d734b1044638d0e884ba (patch) | |
| tree | e23a6e04e59d6cc939c2c07b3d463eb55ce57bc3 | |
| parent | 159e5ba8d79a909583b7489ec17ccbbf787a3750 (diff) | |
| download | ffmpeg-e4def6e0b6085db85765d734b1044638d0e884ba.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 8fd5cdb17f..92b23d009c 100644 --- a/libavcodec/eatqi.c +++ b/libavcodec/eatqi.c @@ -112,7 +112,7 @@ static inline void tqi_idct_put(AVCodecContext *avctx, AVFrame *frame, static void tqi_calculate_qtable(TqiContext *t, int quant) { - const int qscale = (215 - 2*quant)*5; + const int64_t qscale = (215 - 2*quant)*5; int i; t->intra_matrix[0] = (ff_inv_aanscales[0] * ff_mpeg1_default_intra_matrix[0]) >> 11; |