From: Cong Wang <xiyou.wangcong@gmail.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Linux Kernel Network Developers <netdev@vger.kernel.org>,
Baozeng Ding <sploving1@gmail.com>,
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Subject: Re: [Patch net] ipv6: fix a potential deadlock in do_ipv6_setsockopt()
Date: Wed, 19 Oct 2016 16:41:44 -0700 [thread overview]
Message-ID: <CAM_iQpXNbc1pphwfvUoFXE318pgVZdkvHWKG98kUyntUno3Cqw@mail.gmail.com> (raw)
In-Reply-To: <1476920329.5650.77.camel@edumazet-glaptop3.roam.corp.google.com>
On Wed, Oct 19, 2016 at 4:38 PM, Eric Dumazet <eric.dumazet@gmail.com> wrote:
>> diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
>> index 46ad699..b8c8d20 100644
>> --- a/net/ipv6/af_inet6.c
>> +++ b/net/ipv6/af_inet6.c
>> @@ -414,7 +414,9 @@ int inet6_release(struct socket *sock)
>> return -EINVAL;
>>
>> /* Free mc lists */
>> + rtnl_lock();
>
> Certainly not.
>
> Some people want IPv6 being reasonably fast.
Oh, good catch, I should move the 'if' check out too...
prev parent reply other threads:[~2016-10-19 23:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-19 18:20 [Patch net] ipv6: fix a potential deadlock in do_ipv6_setsockopt() Cong Wang
2016-10-19 23:38 ` Eric Dumazet
2016-10-19 23:41 ` Cong Wang [this message]
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