netdev - Re: [PATCH] neighbour: Prevent Race condition in neighbour subsytem

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Date:   Wed, 21 Apr 2021 21:50:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Chinmay Agarwal <chinagar@...eaurora.org>
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        xiyou.wangcong@...il.com, chinmay.12cs207@...il.com,
        sharathv@...eaurora.org
Subject: Re: [PATCH] neighbour: Prevent Race condition in neighbour subsytem

Hello:

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

On Thu, 22 Apr 2021 01:12:22 +0530 you wrote:
> Following Race Condition was detected:
> 
> <CPU A, t0>: Executing: __netif_receive_skb() ->__netif_receive_skb_core()
> -> arp_rcv() -> arp_process().arp_process() calls __neigh_lookup() which
> takes a reference on neighbour entry 'n'.
> Moves further along, arp_process() and calls neigh_update()->
> __neigh_update(). Neighbour entry is unlocked just before a call to
> neigh_update_gc_list.
> 
> [...]

Here is the summary with links:
  - neighbour: Prevent Race condition in neighbour subsytem
    https://git.kernel.org/netdev/net/c/eefb45eef5c4

You are awesome, thank you!
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