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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-02 18:34:09 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-12-02 00:28:59 +0100 |
| commit | b9e9c5cee03ff9a092f9d8f13df22d91979c24e3 (patch) | |
| tree | fa67061086db66f04778238a548ea0795fdb70ce | |
| parent | b45971a955572390dca2c180c3477995152447df (diff) | |
| download | ffmpeg-b9e9c5cee03ff9a092f9d8f13df22d91979c24e3.tar.gz | |
avcodec/cngdec: Fix integer clipping
Fixes: runtime error: value -36211.7 is outside the range of representable values of type 'short'
Fixes: 2992/clusterfuzz-testcase-6649611793989632
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 51090133b31bc719ea868db15d3ee38e9dbe90f1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/cngdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/cngdec.c b/libavcodec/cngdec.c index 0251086042..a3fabf90e3 100644 --- a/libavcodec/cngdec.c +++ b/libavcodec/cngdec.c @@ -147,7 +147,7 @@ static int cng_decode_frame(AVCodecContext *avctx, void *data, return ret; buf_out = (int16_t *)frame->data[0]; for (i = 0; i < avctx->frame_size; i++) - buf_out[i] = p->filter_out[i + p->order]; + buf_out[i] = av_clip_int16(p->filter_out[i + p->order]); memcpy(p->filter_out, p->filter_out + avctx->frame_size, p->order * sizeof(*p->filter_out)); |