From: Eric Dumazet
Date: Mon, 30 Jul 2018 21:50:29 -0700
> ip_frag_queue() might call pskb_pull() on one skb that
> is already in the fragment queue.
>
> We need to take care of possible truesize change, or we
> might have an imbalance of the netns frags memory usage.
>
> IPv6 is immune to this
ip_frag_queue() might call pskb_pull() on one skb that
is already in the fragment queue.
We need to take care of possible truesize change, or we
might have an imbalance of the netns frags memory usage.
IPv6 is immune to this bug, because RFC5722, Section 4,
amended by Errata ID 3089 states :
W