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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-06 19:07:59 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 00:21:49 +0200 |
| commit | 99bedf74acda5d62b2955e0f09b76d24723ab502 (patch) | |
| tree | 9efd728a8b1913f0af0bf33ffcf287ac3d187543 | |
| parent | 2ff5e3f54e9543065bfb2a2a56f1696a7f885b52 (diff) | |
| download | ffmpeg-99bedf74acda5d62b2955e0f09b76d24723ab502.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 7f3801774a..81b7e2017c 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; |