On Tue, Jan 22, 2019 at 10:29 AM Mahesh Bandewar (महेश बंडेवार) <mahe...@google.com> wrote:
> > The idea behind the fix is very simple and it is to create a dst-only > (unregistered) device with a very low MTU and use it instead of 'lo' > while invalidating the dst. This would make it *not* forward packets > to driver which might need fragmentation. > We tested the 2 patches many times and including an overnight test. I can confirm that the oversize UDP packets are no longer seen with the patches applied. However, I don't see the blackhole xmit function getting called to free the SKBs though. Thanks.