netdev - Re: [PATCH net-next] mld: fix suspicious RCU usage in __ipv6_dev_mc

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Date:   Fri, 16 Apr 2021 22:50:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Taehee Yoo <ap420073@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        dsahern@...nel.org, yoshfuji@...ux-ipv6.org, edumazet@...gle.com
Subject: Re: [PATCH net-next] mld: fix suspicious RCU usage in __ipv6_dev_mc_dec()

Hello:

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

On Fri, 16 Apr 2021 14:16:06 +0000 you wrote:
> __ipv6_dev_mc_dec() internally uses sleepable functions so that caller
> must not acquire atomic locks. But caller, which is addrconf_verify_rtnl()
> acquires rcu_read_lock_bh().
> So this warning occurs in the __ipv6_dev_mc_dec().
> 
> Test commands:
>     ip netns add A
>     ip link add veth0 type veth peer name veth1
>     ip link set veth1 netns A
>     ip link set veth0 up
>     ip netns exec A ip link set veth1 up
>     ip a a 2001:db8::1/64 dev veth0 valid_lft 2 preferred_lft 1
> 
> [...]

Here is the summary with links:
  - [net-next] mld: fix suspicious RCU usage in __ipv6_dev_mc_dec()
    https://git.kernel.org/netdev/net-next/c/aa8caa767e31

You are awesome, thank you!
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