[ sorry for the delay; was on PTO for a couple weeks ] On 6/24/20 10:32 AM, Brian Rak wrote: > Hi, > > We're hitting an issue where the kernel with either hang indefinitely or > immediately crash when IPv6 nexthops are used along with the `rpfilter` > ip6tables module. The following commands trigger this issue 100% of the > time for us: > > ip -6 route del default; ip -6 route del default; # repeat as necessary > to remove all existing default routes > ip6tables -t mangle -I PREROUTING 1 -m rpfilter --invert -j DROP > ip nexthop add id 999 via 2001:19f0:1000:8080::1 dev eno1 > ip -6 route add default nhid 999
Thanks for the steps to reproduce; very helpful. I think I found the problem; do you build your kernels to test a patch?
