netdev - Re: [PATCH net] neigh: make sure used and confirmed times are valid

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Date:   Mon, 06 Feb 2023 09:10:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Julian Anastasov <ja@....bg>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org,
        zhangchangzhong@...wei.com, yuehaibing@...wei.com
Subject: Re: [PATCH net] neigh: make sure used and confirmed times are valid

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Thu,  2 Feb 2023 17:25:51 +0200 you wrote:
> Entries can linger in cache without timer for days, thanks to
> the gc_thresh1 limit. As result, without traffic, the confirmed
> time can be outdated and to appear to be in the future. Later,
> on traffic, NUD_STALE entries can switch to NUD_DELAY and start
> the timer which can see the invalid confirmed time and wrongly
> switch to NUD_REACHABLE state instead of NUD_PROBE. As result,
> timer is set many days in the future. This is more visible on
> 32-bit platforms, with higher HZ value.
> 
> [...]

Here is the summary with links:
  - [net] neigh: make sure used and confirmed times are valid
    https://git.kernel.org/netdev/net/c/c1d2ecdf5e38

You are awesome, thank you!
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