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From: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
To: Eric Dumazet <eric.dumazet@gmail.com>,
	"jon.maloy@ericsson.com" <jon.maloy@ericsson.com>,
	"ying.xue@windriver.com" <ying.xue@windriver.com>,
	"davem@davemloft.net" <davem@davemloft.net>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"tipc-discussion@lists.sourceforge.net" 
	<tipc-discussion@lists.sourceforge.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] tipc: ensure skb->lock is initialised
Date: Mon, 8 Jul 2019 20:43:47 +0000	[thread overview]
Message-ID: <361940337b0d4833a5634ddd1e1896a9@svr-chch-ex1.atlnz.lc> (raw)
In-Reply-To: 2298b9eb-100f-6130-60c4-0e5e2c7b84d1@gmail.com

On 8/07/19 8:18 PM, Eric Dumazet wrote:
> 
> 
> On 7/8/19 12:53 AM, Chris Packham wrote:
>> tipc_named_node_up() creates a skb list. It passes the list to
>> tipc_node_xmit() which has some code paths that can call
>> skb_queue_purge() which relies on the list->lock being initialised.
>> Ensure tipc_named_node_up() uses skb_queue_head_init() so that the lock
>> is explicitly initialised.
>>
>> Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
> 
> I would rather change the faulty skb_queue_purge() to __skb_queue_purge()
> 

Makes sense. I'll look at that for v2.

  reply	other threads:[~2019-07-08 20:43 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-07 22:53 [PATCH] tipc: ensure skb->lock is initialised Chris Packham
2019-07-08  8:18 ` Eric Dumazet
2019-07-08 20:43   ` Chris Packham [this message]
2019-07-08 21:13     ` Chris Packham
2019-07-09  7:30       ` Eric Dumazet
2019-07-09 13:25         ` Jon Maloy
2019-07-09 13:45           ` Eric Dumazet
2019-07-09 20:15             ` Jon Maloy
2019-07-10  8:00               ` Eric Dumazet
2019-07-10 13:10                 ` Jon Maloy
2019-07-10 20:58                   ` Chris Packham
2019-07-11 12:55                     ` Jon Maloy

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