From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: torvalds@linux-foundation.org, ebiederm@xmission.com,
mingo@elte.hu, opurdila@ixiacom.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.cz,
netdev@vger.kernel.org, stable@kernel.org
Subject: Re: [PATCH 2/2] net: deinit automatic LIST_HEAD
Date: Fri, 18 Feb 2011 12:14:31 -0800 (PST) [thread overview]
Message-ID: <20110218.121431.183035903.davem@davemloft.net> (raw)
In-Reply-To: <1298019559.2595.92.camel@edumazet-laptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 18 Feb 2011 09:59:19 +0100
> commit 9b5e383c11b08784 (net: Introduce
> unregister_netdevice_many()) left an active LIST_HEAD() in
> rollback_registered(), with possible memory corruption.
>
> Even if device is freed without touching its unreg_list (and therefore
> touching the previous memory location holding LISTE_HEAD(single), better
> close the bug for good, since its really subtle.
>
> (Same fix for default_device_exit_batch() for completeness)
>
> Reported-by: Michal Hocko <mhocko@suse.cz>
> Reported-by: Eric W. Biderman <ebiderman@xmission.com>
> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied.
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next prev parent reply other threads:[~2011-02-18 20:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20110216185234.GA11636@tiehlicka.suse.cz>
[not found] ` <20110216193700.GA6377@elte.hu>
[not found] ` <AANLkTinDxxbVjrUViCs=UaMD9Wg9PR7b0ShNud5zKE3w@mail.gmail.com>
[not found] ` <AANLkTi=xnbcs5BKj3cNE_aLtBO7W5m+2uaUacu7M8g_S@mail.gmail.com>
[not found] ` <20110217090910.GA3781@tiehlicka.suse.cz>
[not found] ` <AANLkTikPKpNHxDQAYBd3fiQsmVozLtCVDsNn=+eF_q2r@mail.gmail.com>
[not found] ` <20110217163531.GF14168@elte.hu>
[not found] ` <m1pqqqfpzh.fsf@fess.ebiederm.org>
[not found] ` <AANLkTinB=EgDGNv-v-qD-MvHVAmstfP_CyyLNhhotkZx@mail.gmail.com>
[not found] ` <m1sjvm822m.fsf@fess.ebiederm.org>
[not found] ` <AANLkTimzP0UNRXutkt1zJ+OGhmeg6ga87HFyMuZQmpMj@mail.gmail.com>
[not found] ` <20110217.203647.193696765.davem@davemloft.net>
[not found] ` <1298010320.2642.7.camel@edumazet-laptop>
[not found] ` <1298014191.2642.11.camel@edumazet-laptop>
2011-02-18 8:54 ` [PATCH 1/2] net: dont leave active on stack LIST_HEAD Eric Dumazet
2011-02-18 20:14 ` David Miller
[not found] ` <m17hcx7wca.fsf@fess.ebiederm.org>
2011-02-18 8:59 ` [PATCH 2/2] net: deinit automatic LIST_HEAD Eric Dumazet
2011-02-18 20:14 ` David Miller [this message]
[not found] ` <20110218122938.GB26779@tiehlicka.suse.cz>
[not found] ` <20110218162623.GD4862@tiehlicka.suse.cz>
[not found] ` <AANLkTimO=M5xG_mnDBSxPKwSOTrp3JhHVBa8=wHsiVHY@mail.gmail.com>
2011-02-18 18:08 ` BUG: Bad page map in process udevd (anon_vma: (null)) in 2.6.38-rc4 Eric W. Biederman
2011-02-18 18:48 ` Linus Torvalds
2011-02-18 19:01 ` Arnaldo Carvalho de Melo
2011-02-18 19:11 ` Arnaldo Carvalho de Melo
2011-02-18 20:38 ` Eric W. Biederman
2011-02-19 8:35 ` [PATCH] tcp: fix inet_twsk_deschedule() Eric Dumazet
2011-02-20 2:59 ` David Miller
2011-02-18 19:13 ` BUG: Bad page map in process udevd (anon_vma: (null)) in 2.6.38-rc4 Eric Dumazet
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