ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed May 10 19:02:05 2017 +0200| [a8de60ba2740185c53cabbee6c00ed67a0d530e2] | committer: Michael Niedermayer
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 <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a8de60ba2740185c53cabbee6c00ed67a0d530e2 --- libavcodec/eatqi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c index f5ecacb984..725289448a 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; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
