Re: [PATCH net] amt: use ipv6_hdr() in amt_mldv1_leave_handler()

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Wed, 11 Nov 2026 11:11:47 +0800 you wrote:
> In amt_mldv1_leave_handler(), which handles IPv6 MLDv1 Done
> (ICMPV6_MGM_REDUCTION) messages, the source address is mistakenly
> extracted via ip_hdr(skb)->saddr into host.ip4 instead of copying the
> IPv6 source address from ipv6_hdr(skb)->saddr into host.ip6 as
> amt_mldv1_report_handler() does.
> 
> Because amt_lookup_group() compares the full union amt_addr for v6
> groups, looking up the group with a 32-bit IPv4 header slice fails to
> match the group entry created by amt_mldv1_report_handler(). As a
> result, amt_del_group() is not called when an MLDv1 listener leaves,
> and the AMT relay continues forwarding multicast traffic until the
> group timer expires.
> 
> [...]

Here is the summary with links:
  - [net] amt: use ipv6_hdr() in amt_mldv1_leave_handler()
    https://git.kernel.org/netdev/net/c/6730fe495c35

You are awesome, thank you!
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