Re: [PATCH] tcp: release sk_frag.page in tcp_disconnect

From: Li RongQing <redacted>
Date: Fri, 26 Jan 2018 16:40:41 +0800

socket can be disconnected and gets transformed back to a listening
socket, if sk_frag.page is not released, which will be cloned into
a new socket by sk_clone_lock, but the reference count of this page
is increased, lead to a use after free or double free issue

Signed-off-by: Li RongQing <redacted>
Cc: Eric Dumazet <edumazet@google.com>

Applied and queued up for -stable, thank you.