diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-06 19:07:59 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-17 20:35:19 +0200 |
| commit | 6f57b9d7151d6fe9a3d8704fd2080754aa3a3966 (patch) | |
| tree | a04f801dd9a1f1960bf61580af5f9fc3944582dd /libavcodec | |
| parent | 9f4e2b15e0d8cf1892029b7a470908c0e740f23a (diff) | |
| download | ffmpeg-6f57b9d7151d6fe9a3d8704fd2080754aa3a3966.tar.gz | |
avcodec/mss3: Change types in rac_get_model_sym() to match the types they are initialized from
Fixes integer overflow
Fixes: 1372/clusterfuzz-testcase-minimized-5712192982745088
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 2ef0f392711445e173a56b2c073dedb021ae3783)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/mss3.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/mss3.c b/libavcodec/mss3.c index 01941967a5..8344bfe8a7 100644 --- a/libavcodec/mss3.c +++ b/libavcodec/mss3.c @@ -356,8 +356,9 @@ static int rac_get_model2_sym(RangeCoder *c, Model2 *m) static int rac_get_model_sym(RangeCoder *c, Model *m) { - int prob, prob2, helper, val; + int val; int end, end2; + unsigned prob, prob2, helper; prob = 0; prob2 = c->range; |