On Tue, Jun 26, 2018 at 02:11:59PM +0100, Luca Boccassi wrote:
> Hello,
>
> Please consider backporting to 4.9.y the following commit from DaveM
> [CC'ed]:
>
> f4eb17e1efe538d4da7d574bedb00a8dafcc26b7 ("Revert "sit: reload iphdr in ipip6_rcv"")
>
> It cherry-picks cleanly and builds fine.
>
> The original commit was introduced and reverted in v4.12-rc5, but only
> the original made its way into the 4.9 stable release (v4.9.94).
>
> It causes a regression: pings to v6 hosts over a SIT tunnel do not work
> anymore, and the following error appears in dmesg:
>
> kernel: sit: non-ECT from 0.0.0.0 with TOS=0xd
>
> This was also reported and reverted downstream by Ubuntu:
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772775
Now applied, thanks.
greg k-h
