On Tue, Feb 28, 2017 at 3:09 PM, David Ahern <d...@cumulusnetworks.com> wrote: > On 2/28/17 5:10 AM, Eric Dumazet wrote: >> David, rt->rt6i_idev can be NULL. > > Do you know of an example where rt6i_idev can be NULL - besides the > null_entry rt which is null only because of init order?
I might have been mistaken, but many points in net/ipv6/route.c test rt->rt6i_idev being NULL or not before dereferencing it. Maybe other rts (other than null_entry) share this property.
