Hi Charles, On Sun, Jul 13, 2025 at 08:41:39AM +0200, rough.rock3...@datachamp.fr wrote: > Hi Salvatore, > > Thank you for your guidance and for pointing out the relevant commit. > > I have tested, checking out from tag 6.1.134: > - With the revert of commit b88786ea2c8f ("tunnels: Accept PACKET_HOST in > skb_tunnel_check_pmtu()"): the issue does not appear and everything works as > expected > - With the commit included (no revert), the issue reappears exactly as before. > > This confirms that the regression is directly linked to this commit. > > Is there anything else I can do or provide to help with the resolution?
Btw, reported upstream (you are in CC) but there is need that you answer details on the setup and/or standalone reproducer. So any help you can provide there would be great. Regards, Salvatore