netdev - Re: [Patch net] tipc: orphan sock in tipc

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Date:   Wed, 05 Sep 2018 22:15:04 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     xiyou.wangcong@...il.com
Cc:     netdev@...r.kernel.org, tipc-discussion@...ts.sourceforge.net,
        jon.maloy@...csson.com, ying.xue@...driver.com
Subject: Re: [Patch net] tipc: orphan sock in tipc_release()

From: Cong Wang <xiyou.wangcong@...il.com>
Date: Mon,  3 Sep 2018 19:12:41 -0700

> Before we unlock the sock in tipc_release(), we have to
> detach sk->sk_socket from sk, otherwise a parallel
> tipc_sk_fill_sock_diag() could stil read it after we
> free this socket.
> 
> Fixes: c30b70deb5f4 ("tipc: implement socket diagnostics for AF_TIPC")
> Reported-and-tested-by: syzbot+48804b87c16588ad491d@...kaller.appspotmail.com
> Cc: Jon Maloy <jon.maloy@...csson.com>
> Cc: Ying Xue <ying.xue@...driver.com>
> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>

Applied and queued up for -stable, thanks.