netdev - Re: [PATCH net] net: igmp: fix data-race in igmp_ifc_timer

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Date:   Tue, 10 Aug 2021 11:00:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        edumazet@...gle.com, syzkaller@...glegroups.com
Subject: Re: [PATCH net] net: igmp: fix data-race in igmp_ifc_timer_expire()

Hello:

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

On Tue, 10 Aug 2021 02:45:47 -0700 you wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> Fix the data-race reported by syzbot [1]
> Issue here is that igmp_ifc_timer_expire() can update in_dev->mr_ifc_count
> while another change just occured from another context.
> 
> in_dev->mr_ifc_count is only 8bit wide, so the race had little
> consequences.
> 
> [...]

Here is the summary with links:
  - [net] net: igmp: fix data-race in igmp_ifc_timer_expire()
    https://git.kernel.org/netdev/net/c/4a2b285e7e10

You are awesome, thank you!
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