netdev - [PATCH 4.19 0/5] inet6: Backport complete patchset for inet6_destroy

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Date:   Thu, 20 Apr 2023 11:12:18 +0800
From:   Ziyang Xuan <william.xuanziyang@...wei.com>
To:     <gregkh@...uxfoundation.org>, <stable@...r.kernel.org>,
        <davem@...emloft.net>, <kuznet@....inr.ac.ru>,
        <yoshfuji@...ux-ipv6.org>, <dsahern@...nel.org>, <kuba@...nel.org>,
        <kuniyu@...zon.com>
CC:     <netdev@...r.kernel.org>
Subject: [PATCH 4.19 0/5] inet6: Backport complete patchset for inet6_destroy_sock() call modification

4.19 LTS has backported commit ca43ccf41224 ("dccp/tcp: Avoid negative
sk_forward_alloc by ipv6_pinfo.pktoptions.") and commit 62ec33b44e0f ("net:
Remove WARN_ON_ONCE(sk->sk_forward_alloc) from sk_stream_kill_queues()."),
but these are incomplete. There are some patches that have not been
backported including key pre-patches commit d38afeec26ed ("tcp/udp:
Call inet6_destroy_sock() in IPv6 sk->sk_destruct().") and commit
b5fc29233d28 ("inet6: Remove inet6_destroy_sock() in
sk->sk_prot->destroy()."). Without them, there are some memory leak bugs.

Backport complete patchset for inet6_destroy_sock() call modification.

Kuniyuki Iwashima (5):
  udp: Call inet6_destroy_sock() in setsockopt(IPV6_ADDRFORM).
  tcp/udp: Call inet6_destroy_sock() in IPv6 sk->sk_destruct().
  inet6: Remove inet6_destroy_sock() in sk->sk_prot->destroy().
  dccp: Call inet6_destroy_sock() via sk->sk_destruct().
  sctp: Call inet6_destroy_sock() via sk->sk_destruct().

 include/net/ipv6.h       |  2 ++
 include/net/udp.h        |  2 +-
 include/net/udplite.h    |  8 --------
 net/dccp/dccp.h          |  1 +
 net/dccp/ipv6.c          | 15 ++++++++-------
 net/dccp/proto.c         |  8 +++++++-
 net/ipv4/udp.c           |  9 ++++++---
 net/ipv4/udplite.c       |  8 ++++++++
 net/ipv6/af_inet6.c      | 15 ++++++++++++++-
 net/ipv6/ipv6_sockglue.c | 20 ++++++++------------
 net/ipv6/ping.c          |  6 ------
 net/ipv6/raw.c           |  2 --
 net/ipv6/tcp_ipv6.c      |  8 +-------
 net/ipv6/udp.c           | 17 ++++++++++++++---
 net/ipv6/udp_impl.h      |  1 +
 net/ipv6/udplite.c       |  9 ++++++++-
 net/l2tp/l2tp_ip6.c      |  2 --
 net/sctp/socket.c        | 29 +++++++++++++++++++++--------
 18 files changed, 100 insertions(+), 62 deletions(-)

-- 
2.25.1