linux-kernel - Re: BUG: IPv4: Attempt to release TCP socket in state 1

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Date:	Thu, 14 Mar 2013 23:56:26 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	dormando <dormando@...ia.net>
Cc:	Cong Wang <xiyou.wangcong@...il.com>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: BUG: IPv4: Attempt to release TCP socket in state 1

On Thu, 2013-03-14 at 14:21 -0700, dormando wrote:
> >
> > diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
> > index 68f6a94..1d4d97e 100644
> > --- a/net/ipv4/af_inet.c
> > +++ b/net/ipv4/af_inet.c
> > @@ -141,8 +141,9 @@ void inet_sock_destruct(struct sock *sk)
> >  	sk_mem_reclaim(sk);
> >
> >  	if (sk->sk_type == SOCK_STREAM && sk->sk_state != TCP_CLOSE) {
> > -		pr_err("Attempt to release TCP socket in state %d %p\n",
> > -		       sk->sk_state, sk);
> > +		pr_err("Attempt to release TCP socket family %d in state %d %p\n",
> > +		       sk->sk_family, sk->sk_state, sk);
> > +		WARN_ON_ONCE(1);
> >  		return;
> >  	}
> >  	if (!sock_flag(sk, SOCK_DEAD)) {
> 
> [58377.436522] IPv4: Attempt to release TCP socket family 2 in state 1
> ffff8813fbad9500

There is no stack information on the WARN_ON_ONCE(1) ?


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