On Thu, Oct 12, 2017 at 11:18 PM, Andreas Radke <andreas.radke@xxxxxxxxxxx> wrote: > Building the 4.9.x kernel package for Arch Linux 4.9.55 gives this IPv4 error here: > > Job for dhcpd4.service failed because the control process exited with error code. > See "systemctl status dhcpd4.service" and "journalctl -xe" for details. > root@server64:/root # systemctl status dhcpd4.service > ● dhcpd4.service - IPv4 DHCP server > Loaded: loaded (/usr/lib/systemd/system/dhcpd4.service; enabled; vendor preset: disabled) > Active: failed (Result: exit-code) since Thu 2017-10-12 17:09:38 CEST; 8s ago > Process: 638 ExecStart=/usr/bin/dhcpd -4 -q -user dhcp -cf /etc/dhcpd.conf -pf /run/dhcpd4.pid (code=exited, status=1/FAILURE) > > Okt 12 17:09:38 server64 dhcpd[638]: If you think you have received this message due to a bug rather > Okt 12 17:09:38 server64 dhcpd[638]: than a configuration issue please read the section on submitting > Okt 12 17:09:38 server64 dhcpd[638]: bugs on either our web page at www.isc.org or in the README file > Okt 12 17:09:38 server64 dhcpd[638]: before submitting a bug. These pages explain the proper > Okt 12 17:09:38 server64 dhcpd[638]: process and the information we find helpful for debugging. > Okt 12 17:09:38 server64 dhcpd[638]: > Okt 12 17:09:38 server64 dhcpd[638]: exiting. > Okt 12 17:09:38 server64 systemd[1]: dhcpd4.service: Control process exited, code=exited status=1 > Okt 12 17:09:38 server64 systemd[1]: dhcpd4.service: Failed with result 'exit-code'. > Okt 12 17:09:38 server64 systemd[1]: Failed to start IPv4 DHCP server. > > journalctl -xe > Okt 12 17:09:37 server64 systemd[1]: Starting IPv4 DHCP server... > -- Subject: Unit dhcpd4.service has begun start-up > -- Defined-By: systemd > -- Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel > -- > -- Unit dhcpd4.service has begun starting up. > Okt 12 17:09:38 server64 dhcpd[638]: Internet Systems Consortium DHCP Server 4.3.6 > Okt 12 17:09:38 server64 dhcpd[638]: Copyright 2004-2017 Internet Systems Consortium. > Okt 12 17:09:38 server64 dhcpd[638]: All rights reserved. > Okt 12 17:09:38 server64 dhcpd[638]: For info, please visit https://www.isc.org/software/dhcp/ > Okt 12 17:09:38 server64 dhcpd[638]: Source compiled to use binary-leases > Okt 12 17:09:38 server64 dhcpd[638]: Wrote 0 deleted host decls to leases file. > Okt 12 17:09:38 server64 dhcpd[638]: Wrote 0 new dynamic host decls to leases file. > Okt 12 17:09:38 server64 dhcpd[638]: Wrote 16 leases to leases file. > Okt 12 17:09:38 server64 dhcpd[638]: Can't install packet filter program: Cannot allocate memory > Okt 12 17:09:38 server64 dhcpd[638]: > Okt 12 17:09:38 server64 dhcpd[638]: If you think you have received this message due to a bug rather > Okt 12 17:09:38 server64 dhcpd[638]: than a configuration issue please read the section on submitting > Okt 12 17:09:38 server64 dhcpd[638]: bugs on either our web page at www.isc.org or in the README file > Okt 12 17:09:38 server64 dhcpd[638]: before submitting a bug. These pages explain the proper > Okt 12 17:09:38 server64 dhcpd[638]: process and the information we find helpful for debugging. > Okt 12 17:09:38 server64 dhcpd[638]: > Okt 12 17:09:38 server64 dhcpd[638]: exiting. > Okt 12 17:09:38 server64 systemd[1]: dhcpd4.service: Control process exited, code=exited status=1 > Okt 12 17:09:38 server64 systemd[1]: dhcpd4.service: Failed with result 'exit-code'. > Okt 12 17:09:38 server64 systemd[1]: Failed to start IPv4 DHCP server. > -- Subject: Unit dhcpd4.service has failed pls try revert: commit 02f7e4101092b88e57c73171174976c8a72a3eba Author: Eric Dumazet <edumazet@xxxxxxxxxx> Date: Mon Oct 2 12:20:51 2017 -0700 socket, bpf: fix possible use after free which caused a obvious issue in __sk_attach_prog(): atomic_set(&fp->refcnt, 0); <---- if (!sk_filter_charge(sk, fp)) { kfree(fp); return -ENOMEM; } bool sk_filter_charge(struct sock *sk, struct sk_filter *fp) { if (!atomic_inc_not_zero(&fp->refcnt)) <---- return false; if (!__sk_filter_charge(sk, fp)) { sk_filter_release(fp); return false; } > > > All works well with version 4.9.54 here. Holding back 4.9.55 for now. > > -Andy > Arch Linux