[6.5] please apply f5f80e32de12

Hi!

Is the queue for 6.5 open already? :)

Please apply commit f5f80e32de12 ("ipv6: remove hard coded limitation on ipv6_pinfo") to 6.5, it mistakenly went via -next. It's in Linus's tree now.

Discussions:

https://lore.kernel.org/all/CABq1_viq9yMo9wZ2XkLg_45FaOcwL93qVhqFUZ9wTygKagnszg@mail.gmail.com/
https://lore.kernel.org/netdev/CANn89iLTn6vv9=PvAUccpRNNw6CKcXktixusDpqxqvo+UeLviQ@mail.gmail.com/T/#mb8dca9fc9491cc78fca691e64e601301ec036ce7

Fixes fe79bd65c819 ("net/tcp: refactor tcp_inet6_sk()")