linux-kernel - Re: [PATCH] netns: dangling pointer on netns bind mount point.

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Message-ID: <20200407031318.GY23230@ZenIV.linux.org.uk>
Date:   Tue, 7 Apr 2020 04:13:18 +0100
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Levi <ppbuk5246@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org, gnault@...hat.com,
        nicolas.dichtel@...nd.com, edumazet@...gle.com,
        lirongqing@...du.com, tglx@...utronix.de, johannes.berg@...el.com,
        dhowells@...hat.com, daniel@...earbox.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH] netns: dangling pointer on netns bind mount point.

On Tue, Apr 07, 2020 at 04:05:04AM +0100, Al Viro wrote:

> Could you post a reproducer, preferably one that would trigger an oops
> on mainline?

BTW, just to make sure - are we talking about analysis of existing
oops, or is it "never seen it happen, but looks like it should be
triggerable" kind of situation?