This basically checks if a pixel that was coded with prediction
and residual could have been stored using a previous case.
This avoids basically a string of 0 symbols stored in less than
50 bytes to hit a O(n²) codepath.
Fixes: Timeout (too slow to wait -> immedeatly)
Fixes:
8668/clusterfuzz-test
mån 2019-09-09 klockan 22:16 +0200 skrev Michael Niedermayer:
> This basically checks if a pixel that was coded with prediction
> and residual could have been stored using a previous case.
> This avoids basically a string of 0 symbols stored in less than
> 50 bytes to hit a O(n²) codepath.
>
> Fix
On Mon, Sep 09, 2019 at 11:03:48PM +0200, Tomas Härdin wrote:
> mån 2019-09-09 klockan 22:16 +0200 skrev Michael Niedermayer:
> > This basically checks if a pixel that was coded with prediction
> > and residual could have been stored using a previous case.
> > This avoids basically a string of 0 sy
