mirror of https://git.ffmpeg.org/ffmpeg.git
avutil/integer: Fix integer overflow in av_mul_i()
Found-by: fate
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3cc3cb663b
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
parent
d2ce6472a7
commit
b8aa7b9a6d
|
@ -74,7 +74,7 @@ AVInteger av_mul_i(AVInteger a, AVInteger b){
|
|||
|
||||
if(a.v[i])
|
||||
for(j=i; j<AV_INTEGER_SIZE && j-i<=nb; j++){
|
||||
carry= (carry>>16) + out.v[j] + a.v[i]*b.v[j-i];
|
||||
carry= (carry>>16) + out.v[j] + a.v[i]*(unsigned)b.v[j-i];
|
||||
out.v[j]= carry;
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue