netdev - Re: struct pid memory leak

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Message-ID: <CANn89i+KfDVX8SO3mLnh8naXGb3WiM80=aBuhQKBVstZyfS_xg@mail.gmail.com>
Date:	Sat, 23 Jan 2016 18:50:11 -0800
From:	Eric Dumazet <edumazet@...gle.com>
To:	Willy Tarreau <w@....eu>
Cc:	Dmitry Vyukov <dvyukov@...gle.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	netdev <netdev@...r.kernel.org>,
	Rainer Weikusat <rweikusat@...ileactivedefense.com>,
	Michal Hocko <mhocko@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Vladimir Davydov <vdavydov@...tuozzo.com>,
	Johannes Weiner <hannes@...xchg.org>,
	LKML <linux-kernel@...r.kernel.org>,
	syzkaller <syzkaller@...glegroups.com>,
	Kostya Serebryany <kcc@...gle.com>,
	Alexander Potapenko <glider@...gle.com>,
	Sasha Levin <sasha.levin@...cle.com>
Subject: Re: struct pid memory leak

On Sat, Jan 23, 2016 at 6:38 PM, Willy Tarreau <w@....eu> wrote:
> On Sun, Jan 24, 2016 at 03:11:45AM +0100, Willy Tarreau wrote:
>> It doesn't report this on 3.10.
>
> To be more precise, kmemleak reports the issue on 3.13 and not on 3.12.
> I'm not sure if it's reliable enough to run a bisect though.
>
> Willy
>

I have the leak on linux-3.11.

I believe even linux-3.3 gets the leak, although I had to wait about
one hour to be confident the leak was there.