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avcodec/mss3: Change types in rac_get_model_sym() to match the types they are initialized from

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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>
This commit is contained in:
Michael Niedermayer 2017-05-06 19:07:59 +02:00
parent 7b6a51f59c
commit 2ef0f39271
1 changed files with 2 additions and 1 deletions
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3
libavcodec/mss3.c
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@ -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;