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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-06 19:11:46 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 03:41:33 +0200 |
| commit | d68870a606054534ae783747d6a4d4fae22f63fa (patch) | |
| tree | e3da36e9474f6d5aa9a10f884f3b715bb73095b3 | |
| parent | afbe970534ebeab60f373f91a6e576c92c98c5a2 (diff) | |
| download | ffmpeg-d68870a606054534ae783747d6a4d4fae22f63fa.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>
| -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 3ef83d4eb4..b5113f3ca9 100644 --- a/libavcodec/hq_hqa.c +++ b/libavcodec/hq_hqa.c @@ -67,11 +67,11 @@ 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 (;;) { |