From d66193252b4067144f11211f8f3e1d5a50146235 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 21 May 2017 02:46:55 +0200 Subject: [PATCH] avcodec/takdec: Fix runtime error: left shift of negative value -63 Fixes: 1713/clusterfuzz-testcase-minimized-5791887476654080 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/takdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/takdec.c b/libavcodec/takdec.c index 31d703135a..9a13b8efbe 100644 --- a/libavcodec/takdec.c +++ b/libavcodec/takdec.c @@ -862,7 +862,7 @@ static int tak_decode_frame(AVCodecContext *avctx, void *data, if (s->sample_shift[chan] > 0) for (i = 0; i < s->nb_samples; i++) - decoded[i] <<= s->sample_shift[chan]; + decoded[i] *= 1 << s->sample_shift[chan]; } }