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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-20 20:22:26 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-21 00:40:20 +0100 |
| commit | e04108dfa6d13d171b0e1b5646cc10ce51050bed (patch) | |
| tree | af8cc5680f76f1c7674d3052c859ca3f475bfd92 /libavcodec | |
| parent | 4614bf2caf67a89c2d833b3368f325eab54582bc (diff) | |
| download | ffmpeg-e04108dfa6d13d171b0e1b5646cc10ce51050bed.tar.gz | |
avcodec/dca_xll: signed integer overflow: 255251 * 32768 cannot be represented in type 'int'
Fixes: 627/clusterfuzz-testcase-5020897033322496
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/dca_xll.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/dca_xll.c b/libavcodec/dca_xll.c index 1320aaf28f..435f84ed7e 100644 --- a/libavcodec/dca_xll.c +++ b/libavcodec/dca_xll.c @@ -1446,11 +1446,11 @@ int ff_dca_xll_filter_frame(DCAXllDecoder *s, AVFrame *frame) if (frame->format == AV_SAMPLE_FMT_S16P) { int16_t *plane = (int16_t *)frame->extended_data[i]; for (k = 0; k < nsamples; k++) - plane[k] = av_clip_int16(samples[k] * (1 << shift)); + plane[k] = av_clip_int16(samples[k] * (SUINT)(1 << shift)); } else { int32_t *plane = (int32_t *)frame->extended_data[i]; for (k = 0; k < nsamples; k++) - plane[k] = clip23(samples[k] * (1 << shift)) * (1 << 8); + plane[k] = clip23(samples[k] * (SUINT)(1 << shift)) * (1 << 8); } } |