On Fri, Jul 28, 2017 at 06:00:47PM +0200, Michał Mirosław wrote: > Dear NetDevs, > > Before I go to bisecting, have you seen a following NULL dereference, > yet? Where should I start looking? It is triggered by deleting netns > (cut-down script attached - triggers every time). This was working > correctly under v4.11.x.
Thanks for the report. I just reproduced this on my system. I believe the problem is a missing NULL check for 'in_dev' in call_fib_nh_notifiers(). I'll test a fix.
