Probably a good idea to cc: this to the kernel list :-) I suspect it's intentional but with the planned changes for iptables etc to be backed by bpf in the upstream kernel sometime in the future it's likely going to need to be reviewed. Peter On Tue, Aug 7, 2018 at 10:25 PM, Timothée Ravier <tim@xxxxxxxx> wrote: > Booting Fedora with Secure Boot enabled will result in Lockdown being enabled at boot time. This will completly disable the BPF system call for all users [1][2]. > > Unfortunately, this breaks the IPAddressAllow & IPAddressDeny systemd feature [3][4][5]. > > I don't have a solution for this, but as far as I understand, this will also prevent other BPF use-cases (for example: Cilium on Fedora CoreOS). > > [1] https://src.fedoraproject.org/rpms/kernel/blob/master/f/efi-lockdown.patch#_1525 > [2] https://git.kernel.org/pub/scm/linux/kernel/git/jforbes/linux.git/commit/?h=lockdown&id=0eb0d0851747787f7182b3e9d0d38edb5925a678 > [3] https://github.com/systemd/systemd/blob/master/src/core/bpf-firewall.c > [4] https://github.com/systemd/systemd/blob/master/NEWS#L1192 > [5] https://www.freedesktop.org/software/systemd/man/systemd.resource-control.html#IPAddressAllow=ADDRESS%5B/PREFIXLENGTH%5D%E2%80%A6 > _______________________________________________ > devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx > Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx/message/ZMEWJMQH6DDMV3AZ4IG7LOYMMIETCH42/ _______________________________________________ kernel mailing list -- kernel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to kernel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/kernel@xxxxxxxxxxxxxxxxxxxxxxx/message/RUWDEDQHS5I47YBPEZVEKXNU2BAX2SLU/
