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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 20/21] phonet: exit_net cleanup check added
Date: Sun, 05 Nov 2017 21:48:21 +0900 (KST)
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From: Vasily Averin <vvs@virtuozzo.com>
Date: Sun, 5 Nov 2017 13:52:25 +0300

> I doubt that pointer to freed net have value for someone except
> developers, on the other hand it helps to speed up the problem
> investigation.

Any kernel pointer printed has value to attackers.