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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-05 19:28:56 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 00:21:49 +0200 |
| commit | 2adf20b3da90b56c6f4e0576342cf7d4f2b30fdd (patch) | |
| tree | c7868eee42c2353560c9cf559ab968825b4ae350 | |
| parent | b80d4f58d8983dc0d3da0037be3dcbbe892d2e2c (diff) | |
| download | ffmpeg-2adf20b3da90b56c6f4e0576342cf7d4f2b30fdd.tar.gz | |
avcodec/nellymoser: Fix multiple left shift of negative value -8591
Fixes: 1342/clusterfuzz-testcase-minimized-5490842129137664
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 0953736b7e97f6e121a0587a95434bf1857a27da)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/nellymoser.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/nellymoser.c b/libavcodec/nellymoser.c index 027726e0ba..5ff6583c5e 100644 --- a/libavcodec/nellymoser.c +++ b/libavcodec/nellymoser.c @@ -84,7 +84,7 @@ const int16_t ff_nelly_delta_table[32] = { static inline int signed_shift(int i, int shift) { if (shift > 0) - return i << shift; + return (unsigned)i << shift; return i >> -shift; } @@ -108,7 +108,7 @@ static int headroom(int *la) return 31; } l = 30 - av_log2(FFABS(*la)); - *la <<= l; + *la *= 1<<l; return l; } |