netdev - Re: [PATCH] connector: fix unsafe usage of ->real

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Message-Id: <20190308.150731.2076404649275002151.davem@davemloft.net>
Date:   Fri, 08 Mar 2019 15:07:31 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     lirongqing@...du.com
Cc:     netdev@...r.kernel.org, zbr@...emap.net
Subject: Re: [PATCH] connector: fix unsafe usage of ->real_parent

From: Li RongQing <lirongqing@...du.com>
Date: Wed,  6 Mar 2019 14:46:27 +0800

> proc_exit_connector() uses ->real_parent lockless. This is not
> safe that its parent can go away at any moment, so use RCU to
> protect it, and ensure that this task is not released.
 ...
> Fixes: b086ff87251b4a4 ("connector: add parent pid and tgid to coredump and exit events")
> Signed-off-by: Zhang Yu <zhangyu31@...du.com>
> Signed-off-by: Li RongQing <lirongqing@...du.com>

Applied and queued up for -stable, thanks.