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From: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
To: Andrey Ryabinin <aryabinin@virtuozzo.com>,
	"David S. Miller" <davem@davemloft.net>
Cc: Cong Wang <cwang@twopensource.com>,
	hideaki.yoshifuji@miraclelinux.com,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	James Morris <jmorris@namei.org>,
	Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
	Patrick McHardy <kaber@trash.net>,
	netdev <netdev@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ipv6/addrlabel: fix ip6addrlbl_get()
Date: Tue, 22 Dec 2015 17:04:22 +0900	[thread overview]
Message-ID: <56790406.5080206@miraclelinux.com> (raw)
In-Reply-To: <CAHA+R7OBGDZAFog7yrcJ4VPORE3ahgqMaZZs1B0XLwBh14Jg9g@mail.gmail.com>

Cong Wang wrote:
> On Mon, Dec 21, 2015 at 1:54 AM, Andrey Ryabinin
> <aryabinin@virtuozzo.com> wrote:
>> ip6addrlbl_get() has never worked. If ip6addrlbl_hold() succeeded,
>> ip6addrlbl_get() will exit with '-ESRCH'. If ip6addrlbl_hold() failed,
>> ip6addrlbl_get() will use about to be free ip6addrlbl_entry pointer.
>>
>> Fix this by inverting ip6addrlbl_hold() check.
>>
>> Fixes: 2a8cc6c89039 ("[IPV6] ADDRCONF: Support RFC3484 configurable address selection policy table.")
>> Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
> 
> Good catch!
> 
> Reviewed-by: Cong Wang <cwang@twopensource.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

-- 
Hideaki Yoshifuji <hideaki.yoshifuji@miraclelinux.com>
Technical Division, MIRACLE LINUX CORPORATION

  reply	other threads:[~2015-12-22  8:04 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-21  9:54 [PATCH] ipv6/addrlabel: fix ip6addrlbl_get() Andrey Ryabinin
2015-12-21 19:37 ` Cong Wang
2015-12-22  8:04   ` YOSHIFUJI Hideaki [this message]
2015-12-22 20:58 ` David Miller

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