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avcodec/truemotion1: Fix multiple runtime error: signed integer overflow: 1246906962 * 2 cannot be represented in type 'int'

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Fixes: 1616/clusterfuzz-testcase-minimized-5119196578971648

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 5ea6bc2a166edac37042f2bbc28eb603a0fbeccb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-16 03:04:26 +02:00
parent cd4674f608
commit e05148dfe6
1 changed files with 2 additions and 2 deletions
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4
libavcodec/truemotion1.c
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@ -180,7 +180,7 @@ static int make_ydt15_entry(int p1, int p2, int16_t *ydt)
lo += (lo * 32) + (lo * 1024); lo += (lo * 32) + (lo * 1024);
hi = ydt[p2]; hi = ydt[p2];
hi += (hi * 32) + (hi * 1024); hi += (hi * 32) + (hi * 1024);
return (lo + (hi * (1 << 16))) * 2; return (lo + (hi * (1U << 16))) * 2;
} }
static int make_cdt15_entry(int p1, int p2, int16_t *cdt) static int make_cdt15_entry(int p1, int p2, int16_t *cdt)
@ -190,7 +190,7 @@ static int make_cdt15_entry(int p1, int p2, int16_t *cdt)
b = cdt[p2]; b = cdt[p2];
r = cdt[p1] * 1024; r = cdt[p1] * 1024;
lo = b + r; lo = b + r;
return (lo + (lo * (1 << 16))) * 2; return (lo + (lo * (1U << 16))) * 2;
} }
#if HAVE_BIGENDIAN #if HAVE_BIGENDIAN