netdev - Re: [PATCH net] net: fib: avoid warn splat in flow dissector

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Message-Id: 
 <169348202260.28655.16047640718927905946.git-patchwork-notify@kernel.org>
Date: Thu, 31 Aug 2023 11:40:22 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Florian Westphal <fw@...len.de>
Cc: netdev@...r.kernel.org, sdf@...gle.com, dsahern@...nel.org,
 idosch@...dia.com
Subject: Re: [PATCH net] net: fib: avoid warn splat in flow dissector

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Wed, 30 Aug 2023 13:00:37 +0200 you wrote:
> New skbs allocated via nf_send_reset() have skb->dev == NULL.
> 
> fib*_rules_early_flow_dissect helpers already have a 'struct net'
> argument but its not passed down to the flow dissector core, which
> will then WARN as it can't derive a net namespace to use:
> 
>  WARNING: CPU: 0 PID: 0 at net/core/flow_dissector.c:1016 __skb_flow_dissect+0xa91/0x1cd0
>  [..]
>   ip_route_me_harder+0x143/0x330
>   nf_send_reset+0x17c/0x2d0 [nf_reject_ipv4]
>   nft_reject_inet_eval+0xa9/0xf2 [nft_reject_inet]
>   nft_do_chain+0x198/0x5d0 [nf_tables]
>   nft_do_chain_inet+0xa4/0x110 [nf_tables]
>   nf_hook_slow+0x41/0xc0
>   ip_local_deliver+0xce/0x110
>   ..
> 
> [...]

Here is the summary with links:
  - [net] net: fib: avoid warn splat in flow dissector
    https://git.kernel.org/netdev/net/c/8aae7625ff3f

You are awesome, thank you!
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