netdev - Re: [PATCH net 1/9] netfilter: nf_tables: fix false-positive lockdep splat

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Date: Wed, 16 Aug 2023 10:20:22 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Florian Westphal <fw@...len.de>
Cc: netdev@...r.kernel.org, pabeni@...hat.com, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, netfilter-devel@...r.kernel.org
Subject: Re: [PATCH net 1/9] netfilter: nf_tables: fix false-positive lockdep
 splat

Hello:

This series was applied to netdev/net.git (main)
by Florian Westphal <fw@...len.de>:

On Wed, 16 Aug 2023 00:29:51 +0200 you wrote:
> ->abort invocation may cause splat on debug kernels:
> 
> WARNING: suspicious RCU usage
> net/netfilter/nft_set_pipapo.c:1697 suspicious rcu_dereference_check() usage!
> [..]
> rcu_scheduler_active = 2, debug_locks = 1
> 1 lock held by nft/133554: [..] (nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid
> [..]
>  lockdep_rcu_suspicious+0x1ad/0x260
>  nft_pipapo_abort+0x145/0x180
>  __nf_tables_abort+0x5359/0x63d0
>  nf_tables_abort+0x24/0x40
>  nfnetlink_rcv+0x1a0a/0x22c0
>  netlink_unicast+0x73c/0x900
>  netlink_sendmsg+0x7f0/0xc20
>  ____sys_sendmsg+0x48d/0x760
> 
> [...]

Here is the summary with links:
  - [net,1/9] netfilter: nf_tables: fix false-positive lockdep splat
    https://git.kernel.org/netdev/net/c/b9f052dc68f6
  - [net,2/9] netfilter: nf_tables: fix kdoc warnings after gc rework
    https://git.kernel.org/netdev/net/c/08713cb006b6
  - [net,3/9] netfilter: nf_tables: deactivate catchall elements in next generation
    https://git.kernel.org/netdev/net/c/90e5b3462efa
  - [net,4/9] netfilter: nf_tables: don't fail inserts if duplicate has expired
    https://git.kernel.org/netdev/net/c/7845914f45f0
  - [net,5/9] netfilter: set default timeout to 3 secs for sctp shutdown send and recv state
    https://git.kernel.org/netdev/net/c/9bfab6d23a28
  - [net,6/9] ipvs: fix racy memcpy in proc_do_sync_threshold
    https://git.kernel.org/netdev/net/c/5310760af1d4
  - [net,7/9] netfilter: nf_tables: fix GC transaction races with netns and netlink event exit path
    https://git.kernel.org/netdev/net/c/6a33d8b73dfa
  - [net,8/9] netfilter: nf_tables: GC transaction race with netns dismantle
    https://git.kernel.org/netdev/net/c/02c6c24402bf
  - [net,9/9] netfilter: nft_dynset: disallow object maps
    https://git.kernel.org/netdev/net/c/23185c6aed1f

You are awesome, thank you!
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