From: David S. Miller Date: Fri, 28 Jun 2019 21:36:25 +0000 (-0700) Subject: Merge branch 'mirred-recurse' X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=8747d82d3c32df488ea0fe9b86bdb53a8a04a7b8;p=openwrt%2Fstaging%2Fblogic.git Merge branch 'mirred-recurse' John Hurley says: ==================== Track recursive calls in TC act_mirred 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. ==================== Signed-off-by: David S. Miller --- 8747d82d3c32df488ea0fe9b86bdb53a8a04a7b8