diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-21 17:32:56 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-16 16:00:22 +0200 |
| commit | f0f4b66dff89fc3a26fd2e2cfa69d7f597636be5 (patch) | |
| tree | a3e6cd398bc01a3ea9dd8bf6c28e0b00be955c03 | |
| parent | d837140eb4e0d81ca737b4dc379b579cec9ebe62 (diff) | |
| download | ffmpeg-f0f4b66dff89fc3a26fd2e2cfa69d7f597636be5.tar.gz | |
avcodec/ituh263dec: Fix runtime error: left shift of negative value -22
Fixes: 639/clusterfuzz-testcase-5143866241974272
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 631f7484918a9e7260377c3cea878be708609e64)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/ituh263dec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/ituh263dec.c b/libavcodec/ituh263dec.c index 5e3c0eac07..228f6ace49 100644 --- a/libavcodec/ituh263dec.c +++ b/libavcodec/ituh263dec.c @@ -524,7 +524,7 @@ retry: }else{ level = SHOW_UBITS(re, &s->gb, 5); SKIP_CACHE(re, &s->gb, 5); - level |= SHOW_SBITS(re, &s->gb, 6)<<5; + level |= SHOW_SBITS(re, &s->gb, 6) * (1<<5); SKIP_COUNTER(re, &s->gb, 5 + 6); } } |