netdev - Re: [PATCH net-next] ipv6/addrconf: ensure addrconf_verify

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Message-Id: <164511661005.9378.5051264826164600253.git-patchwork-notify@kernel.org>
Date:   Thu, 17 Feb 2022 16:50:10 +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,
        dsahern@...nel.org, edumazet@...gle.com, syzkaller@...glegroups.com
Subject: Re: [PATCH net-next] ipv6/addrconf: ensure addrconf_verify_rtnl() has
 completed

Hello:

This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Wed, 16 Feb 2022 10:20:37 -0800 you wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> Before freeing the hash table in addrconf_exit_net(),
> we need to make sure the work queue has completed,
> or risk NULL dereference or UAF.
> 
> Thus, use cancel_delayed_work_sync() to enforce this.
> We do not hold RTNL in addrconf_exit_net(), making this safe.
> 
> [...]

Here is the summary with links:
  - [net-next] ipv6/addrconf: ensure addrconf_verify_rtnl() has completed
    https://git.kernel.org/netdev/net-next/c/be6b41c15dc0

You are awesome, thank you!
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