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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-12 13:13:46 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 12:20:16 +0200 |
| commit | bec98cd8bd9626657f03e117858e0e270db7d4e7 (patch) | |
| tree | b54d70c6162beb0d6533b8bcd4acbc4a8815f45d /libavcodec/g723_1dec.c | |
| parent | 2964778d7ea8514ada3badd1afb7432b69cff346 (diff) | |
| download | ffmpeg-bec98cd8bd9626657f03e117858e0e270db7d4e7.tar.gz | |
avcodec/g723_1dec: Fix runtime error: left shift of negative value -1
Fixes: 1504/clusterfuzz-testcase-minimized-6249212138225664
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 c4c0245686bc2fcc545644101c7b328fed71f268)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/g723_1dec.c')
| -rw-r--r-- | libavcodec/g723_1dec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/g723_1dec.c b/libavcodec/g723_1dec.c index 6d452df189..89089f5f64 100644 --- a/libavcodec/g723_1dec.c +++ b/libavcodec/g723_1dec.c @@ -695,13 +695,13 @@ static int estimate_sid_gain(G723_1_Context *p) if (y <= 0) { t = seg * 32 + (val + 1 << seg2); t = t * t - x; - val = (seg2 - 1 << 4) + val; + val = (seg2 - 1) * 16 + val; if (t >= y) val++; } else { t = seg * 32 + (val - 1 << seg2); t = t * t - x; - val = (seg2 - 1 << 4) + val; + val = (seg2 - 1) * 16 + val; if (t >= y) val--; } |