On Thu, Oct 12, 2017 at 11:52 AM, Eric Valette <eric.valette@xxxxxxx> wrote: > Hi, > > Just compiled a fresh 4.9.55, with same .config, same user space than 4.9.54 > and discovered I had no network because ifup fails because dhcp cleint > fails. As everything is identical, 4.9.54 still works, I guess one patch in > net/core/... did break something. > > ifup eth0 > Internet Systems Consortium DHCP Client 4.3.5 > Copyright 2004-2016 Internet Systems Consortium. > All rights reserved. > For info, please visit https://www.isc.org/software/dhcp/ > > Can't install packet filter program: Cannot allocate memory > <===== > If you think you have received this message due to a bug rather > than a configuration issue please read the section on submitting > bugs on either our web page at www.isc.org or in the README file > before submitting a bug. These pages explain the proper > process and the information we find helpful for debugging.. > > exiting. > ifup: failed to bring up eth0 > > Ps: CC me I'm not subscribed > Please revert commit 345c66695569db83eed100723e4df72cb54df7de Author: Eric Dumazet <edumazet@xxxxxxxxxx> Date: Mon Oct 2 12:20:51 2017 -0700 socket, bpf: fix possible use after free This will fix the problem. thanks, -- Shuah