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

From: [email-masked]
Date: Fri, 24 Nov 2023 15:30:25 +0000

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <[email-masked]>:

On Thu, 23 Nov 2023 15:13:14 +0800 you 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
> 6.while ((1))
>     do
>         ifconfig br0 up
>         ifconfig br0 down
>     done
> 7.send IGMPv2 query packets to port eth0 continuously. For example,
> ./mausezahn ethX -c 0 "01 00 5e 00 00 01 00 72 19 88 aa 02 08 00 45 00 00
> 1c 00 01 00 00 01 02 0e 7f c0 a8 0a b7 e0 00 00 01 11 64 ee 9b 00 00 00 00"
> 
> [...]

Here is the summary with links:
  - [net,v3] ipv4: igmp: fix refcnt uaf issue when receiving igmp query packet
    https://git.kernel.org/netdev/net/c/e2b706c69190

You are awesome, thank you!
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