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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-06 19:07:59 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 03:41:33 +0200 |
| commit | afbe970534ebeab60f373f91a6e576c92c98c5a2 (patch) | |
| tree | f4c99ca25c5a63f9b77a6c0af63421f3d06fa580 | |
| parent | b9289fad4b0b132ccb4ec71543a79240016ecd6a (diff) | |
| download | ffmpeg-afbe970534ebeab60f373f91a6e576c92c98c5a2.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>
| -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; |