(Cc'ing netdev and the author Eric) On Thu, Oct 12, 2017 at 10:57 AM, Shuah Khan <shuahkhan@xxxxxxxxx> wrote: > 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