On Mon, Sep 25, 2017 at 7:07 PM, Martin KaFai Lau <ka...@fb.com> wrote:
> I am probably still missing something. > > Considering the del operation should be under the writer lock, > if rt->rt6i_node should be NULL (for rt that has already been > removed from fib6), why this WARN_ON() is triggered? > > An example may help. > Look at the stack trace, you'll find the answers... ip6_link_failure() -> ip6_del_rt() Note that rt might have been deleted from the _tree_ already.
