diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-06 19:11:46 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 12:20:15 +0200 |
| commit | f20c485e4e4185a849e6d15b240459f4385966b3 (patch) | |
| tree | 2d28c3713ad0acb4e4631edaef5560c442513e3d /libavcodec | |
| parent | db835412058f60b0221469c7b4bba4aa779b6245 (diff) | |
| download | ffmpeg-f20c485e4e4185a849e6d15b240459f4385966b3.tar.gz | |
avcodec/hq_hqa: Fix runtime error: left shift of negative value -207
Fixes: 1375/clusterfuzz-testcase-minimized-6070134701555712
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 1283c4244767bd19918f355c31d702a94ee0cc1b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/hq_hqa.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/hq_hqa.c b/libavcodec/hq_hqa.c index 5cf5fcfe2b..80dc6b5d40 100644 --- a/libavcodec/hq_hqa.c +++ b/libavcodec/hq_hqa.c @@ -68,11 +68,11 @@ static int hq_decode_block(HQContext *c, GetBitContext *gb, int16_t block[64], memset(block, 0, 64 * sizeof(*block)); if (!is_hqa) { - block[0] = get_sbits(gb, 9) << 6; + block[0] = get_sbits(gb, 9) * 64; q = ff_hq_quants[qsel][is_chroma][get_bits(gb, 2)]; } else { q = ff_hq_quants[qsel][is_chroma][get_bits(gb, 2)]; - block[0] = get_sbits(gb, 9) << 6; + block[0] = get_sbits(gb, 9) * 64; } for (;;) { |