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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-28 20:47:59 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-07-19 02:49:04 +0200 |
| commit | 7807d2478bfde81a34412dd4f51cc0a9f3a6760f (patch) | |
| tree | 9165ff09271084f88353436a716de3bf3d3478ea | |
| parent | cc9082dce19cc45bc8dbe7aee4efa86c56e2e319 (diff) | |
| download | ffmpeg-7807d2478bfde81a34412dd4f51cc0a9f3a6760f.tar.gz | |
avcodec/cfhd: Fix invalid left shift of negative value
Fixes: runtime error: left shift of negative value -1
Fixes: 2395/clusterfuzz-testcase-minimized-6540529313513472
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c709f009dad20d99b28918f4f8d7cd394b838def)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/cfhd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/cfhd.c b/libavcodec/cfhd.c index f596554e1b..b14de9ec04 100644 --- a/libavcodec/cfhd.c +++ b/libavcodec/cfhd.c @@ -631,7 +631,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame, output = s->plane[plane].subband[0]; for (i = 0; i < lowpass_height * 2; i++) { for (j = 0; j < lowpass_width * 2; j++) - output[j] <<= 2; + output[j] *= 4; output += lowpass_width * 2; } |