netdev - Re: [PATCH net,v3] ipv4: igmp: fix refcnt uaf issue when receiving igmp query packet

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Message-ID: <CANn89i+Ne=v7i97r6Zo3gSPaUBZt=c2ZroCwv9bXisva+j5nQw@mail.gmail.com>
Date: Thu, 23 Nov 2023 09:04:36 +0100
From: Eric Dumazet <edumazet@...gle.com>
To: Zhengchao Shao <shaozhengchao@...wei.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, dsahern@...nel.org, 
	kuba@...nel.org, pabeni@...hat.com, weiyongjun1@...wei.com, 
	yuehaibing@...wei.com
Subject: Re: [PATCH net,v3] ipv4: igmp: fix refcnt uaf issue when receiving
 igmp query packet

On Thu, Nov 23, 2023 at 8:01 AM Zhengchao Shao <shaozhengchao@...wei.com> wrote:
>
> When I perform the following test operations:
> 1.ip link add br0 type bridge
> 2.brctl addif br0 eth0
> 3.ip addr add 239.0.0.1/32 dev eth0
> 4.ip addr add 239.0.0.1/32 dev br0
> 5.ip addr add 224.0.0.1/32 dev br0

> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>