Re: [Bug 199643] New: UBSAN: Undefined behaviour in ./include/net/route.h:240:2

[David Miller]

From: Jakub Kicinski <jakub.kicin...@netronome.com>
Date: Thu, 7 Jun 2018 17:06:23 -0700

> [  293.213661]  ip_send_unicast_reply+0x1b67/0x1d0e

This calls ip_setup_cork() which can NULL out the 'rt' route
pointer.  Hmmm... :-/