diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-03-01 18:32:09 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 04:41:33 +0300 |
| commit | 718c1433d9805776fa96303a99e5ccf03e8c276a (patch) | |
| tree | ef05163846bb153cee916f402ae585ddab51e120 /libavcodec/mjpegdec.c | |
| parent | b9cc73fafbf7b4c696eb8bb1f53ba9d806f5cc4d (diff) | |
avcodec/mjpegdec: Fix runtime error: left shift of negative value -511
Fixes: 693/clusterfuzz-testcase-6109776066904064
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 4b72d5cd6f9341dcafdbc1b9030166aa987b8304)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/mjpegdec.c')
| -rw-r--r-- | libavcodec/mjpegdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index fa6018dc90..826c037682 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -1151,7 +1151,7 @@ static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s, int predictor, if (s->interlaced && s->bottom_field) ptr16 += linesize >> 1; pred &= mask; - *ptr16= pred + (dc << point_transform); + *ptr16= pred + ((unsigned)dc << point_transform); } if (++x == h) { x = 0; |