From: John Hurley <john.hur...@netronome.com> Date: Mon, 24 Jun 2019 23:13:34 +0100
> These patches aim to prevent act_mirred causing stack overflow events from > recursively calling packet xmit or receive functions. Such events can > occur with poor TC configuration that causes packets to travel in loops > within the system. > > Florian Westphal advises that a recursion crash and packets looping are > separate issues and should be treated as such. David Miller futher points > out that pcpu counters cannot track the precise skb context required to > detect loops. Hence these patches are not aimed at detecting packet loops, > rather, preventing stack flows arising from such loops. Series applied, thanks.