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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-05 18:01:25 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-05 18:33:38 +0200 |
| commit | 9fac508ca46f93450ec232299dfd15ac70b6f326 (patch) | |
| tree | 078ec05eb7572582352b3f1975e31088acfc950c | |
| parent | 3c085c1ba56dfa33742e3b764c5272aca515a23c (diff) | |
| download | ffmpeg-9fac508ca46f93450ec232299dfd15ac70b6f326.tar.gz | |
avcodec/wnv1: Fix runtime error: left shift of negative value -1
Fixes: 1338/clusterfuzz-testcase-minimized-6485546354343936
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/wnv1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wnv1.c b/libavcodec/wnv1.c index 9ff99b2f98..126c01a02d 100644 --- a/libavcodec/wnv1.c +++ b/libavcodec/wnv1.c @@ -52,7 +52,7 @@ static inline int wnv1_get_code(WNV1Context *w, int base_value) if (v == 15) return ff_reverse[get_bits(&w->gb, 8 - w->shift)]; else - return base_value + ((v - 7) << w->shift); + return base_value + ((v - 7U) << w->shift); } static int decode_frame(AVCodecContext *avctx, |