From: Jakub Kicinski <kuba@kernel.org>
Date: Wed, 12 Aug 2026 01:32:18 +0000 (-0700)
Subject: Merge tag 'nf-26-08-10' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
X-Git-Tag: v7.2~27^2~7
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=7b53449540502cb21b32bca62a6258e22cd97bbe;p=thirdparty%2Fkernel%2Fstable.git

Merge tag 'nf-26-08-10' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

Pablo Neira Ayuso says:

====================
Netfilter/IPVS fixes for net

The following patchset contains Netfilter/IPVS fixes for net. Still
large batch for this late -rc cycle but at least half of these fixes
in this batch have been cooking for several weeks before:

1) Fix race between ipset list:set GC and swap, use write_lock instead
   of rcu read lock section when accessing the index to ensure
   interference with ip_set_swap(), from Xiang Mei.

2) Release template conntrack in bridge conntrack when packet is
   neither IPv4 nor IPv6 before setting skb as untracked.
   From Zhiling Zou.

3) A series of 3 patches for IPVS to address sashiko reports:
   Schedulers read destination overload state while connection
   accounting and destination configuration can update it concurrently.
   The first patch adds a single total connection counter. The second
   patch uses it to identify threshold crossings precisely, and updates
   OVERLOAD at the crossings and on a threshold edit under dst_lock.
   The third patch moves configuration-controlled AVAILABLE to a
   separate cflags word, so it cannot clobber OVERLOAD through an
   unrelated read-modify-write update.

4) Log invalid packets in TCP and SCTP connection tracking to address
   a deadlock when nfnetlink_log is used as logging backend and the
   nfnetlink_log conntrack glue support is used. From Zihan Xi.

5) Wait for rcu grace period before releasing pernet state in
   nfnetlink_log, otherwise packets can end up access already released
   memory, triggering UaF. From Florian Westphal.

6) IPVS needs to reset IP information in control buffer in skbuff when
   encapsulating IP packets in ICMP, from Kyle Zeng.

7) IPVS needs to validate ihl field of inner headers in when handling
   ICMP response, from Julian Anastasov.

8) Remove a WARN_ON_ONCE reachable from the nf_tables hardware offload
   when triggering ENOMEM on GFP_KERNEL allocation,
   from Alexey Velichayshiy.

9) Publish reply tuple into the flowtable hashtable first, otherwise
   GC might walk over a released tuple when insertion of the original
   tuple fail. From Jeremy Jean.

10) Elide counter increment when replacing an ipset element,
    from Florian Westphal.

11) Remove unneeded ipset accounting resets on destruction/flush,
    from Florian Westphal.

* tag 'nf-26-08-10' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  netfilter: ipset: let destroy callbacks adjust ext mem size
  netfilter: ipset: fix list type element drift bug
  netfilter: flowtable: publish GC-visible tuple last
  netfilter: nf_tables_offload: suppress WARN_ON_ONCE for ENOMEM in abort path
  ipvs: revalidate ihl to prevent out-of-bounds access
  ipvs: clear IPv4 options after rebasing tunnel ICMP errors
  netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state
  netfilter: nf_conntrack: defer invalid log until after unlock
  ipvs: separate destination availability state
  ipvs: properly update the overload flag on dest edit
  ipvs: add totalconns for dest
  netfilter: bridge: release template ct on non-IP path
  netfilter: ipset: fix refcount race between list:set GC and swap
====================

Link: https://patch.msgid.link/20260810190621.894119-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

7b53449540502cb21b32bca62a6258e22cd97bbe