Re: [PATCH net] ipv6: account route exceptions to the netns of their dst

[patchwork-bot+netdevbpf@kernel.org]

Hello:

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

On Fri, 16 Oct 2026 11:15:56 +0200 you wrote:
> rt6_insert_exception() and rt6_remove_exception() update
> rt6_stats->fib_rt_cache of dev_net(rt6i->dst.dev), but the device of an
> exception dst can move to another netns while the exception is still in
> its bucket.
> 
> This happens when the bucket is flushed from an RCU callback, for
> instance from nexthop_free_rcu() for the nh_info of a replaced nexthop,
> whose exceptions still point to live routes. If the device moves to
> another netns before that callback runs, the decrement hits the other
> netns, whose u32 counter underflows in /proc/net/rt6_stats, while the
> counter of the original netns never goes back down.
> 
> [...]

Here is the summary with links:
  - [net] ipv6: account route exceptions to the netns of their dst
    https://git.kernel.org/netdev/net/c/8ff017b891e8

You are awesome, thank you!
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