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Date:   Sat, 04 Sep 2021 01:30:06 +0000
To:     Pablo Neira Ayuso <>
Subject: Re: [PATCH net 1/5] netfilter: nft_ct: protect
 nft_ct_pcpu_template_refcnt with mutex


This series was applied to netdev/net.git (refs/heads/master):

On Fri,  3 Sep 2021 18:30:16 +0200 you wrote:
> From: Pavel Skripkin <>
> Syzbot hit use-after-free in nf_tables_dump_sets. The problem was in
> missing lock protection for nft_ct_pcpu_template_refcnt.
> Before commit f102d66b335a ("netfilter: nf_tables: use dedicated
> mutex to guard transactions") all transactions were serialized by global
> mutex, but then global mutex was changed to local per netnamespace
> commit_mutex.
> [...]

Here is the summary with links:
  - [net,1/5] netfilter: nft_ct: protect nft_ct_pcpu_template_refcnt with mutex
  - [net,2/5] netfilter: conntrack: sanitize table size default settings
  - [net,3/5] netfilter: conntrack: switch to siphash
  - [net,4/5] netfilter: refuse insertion if chain has grown too large
  - [net,5/5] netfilter: socket: icmp6: fix use-after-scope

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