Re: [PATCH net-next v2 0/4] ipv6: Disable IPv6 Destination Options RX processing by default
From: Jakub Kicinski <kuba@kernel.org>
Date: 2026-01-09 19:50:16
On Thu, 8 Jan 2026 09:14:52 -0800 Tom Herbert wrote:
This patchset set changes the interpretation of the Destination Options and Hop-by-Hop Options sysctl limits, net.ipv6.max_dst_opts_number and net.ipv6.max_dst_opts_number to mean that when the sysctl is zero processing of the associated extension header is disabled such that packets received with the extension header are dropped.
Hi Tom! Unfortunately, this breaks GRE: https://netdev.bots.linux.dev/contest.html?pw-n=0&branch=net-next-2026-01-09--18-00&pw-n=0&pass=0