netdev - Re: [PATCH net] net: avoid NULL deref in inet_ctl_sock

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Message-ID: <CACT4Y+ZW6P5mbE_XtbaP=LYvBnX9__YLDO13F29=Kww7iEUmgw@mail.gmail.com>
Date:	Mon, 2 Nov 2015 18:59:32 +0100
From:	Dmitry Vyukov <dvyukov@...gle.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net] net: avoid NULL deref in inet_ctl_sock_destroy()

On Mon, Nov 2, 2015 at 6:00 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
> On Mon, 2015-11-02 at 17:53 +0100, Hannes Frederic Sowa wrote:
>> On Mon, Nov 2, 2015, at 16:50, Eric Dumazet wrote:
>> > From: Eric Dumazet <edumazet@...gle.com>
>> >
>> > Under low memory conditions, tcp_sk_init() and icmp_sk_init()
>> > can both iterate on all possible cpus and call inet_ctl_sock_destroy(),
>> > with eventual NULL pointer.
>> >
>> > Signed-off-by: Eric Dumazet <edumazet@...gle.com>
>> > Reported-by: Dmitry Vyukov <dvyukov@...gle.com>
>>
>> Eric, was this a private report or some of those floating around
>> publicly?
>
> Dmitry Vyukov filled two internal bug reports at Google,
> not sure if he mentioned the issue elsewhere.

No, I did not.
Can I now?

> Google-Bug-Id: 25415196
> Google-Bug-Id: 25416355
>
> (But you do not have access to them)
>
>
>
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