Re: [PATCH net] ipv4: fib: free fib_alias with kfree_rcu() on insert error path

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:

On Sat,  4 Jul 2026 10:14:21 -0700 you wrote:
> fib_table_insert() publishes new_fa into the leaf's fa_list with
> fib_insert_alias() before calling the fib entry notifiers. When a
> notifier fails, the error path removes new_fa with fib_remove_alias()
> (hlist_del_rcu) and frees it right away with kmem_cache_free().
> 
> fib_table_lookup() walks that list under rcu_read_lock() only, so a
> concurrent lookup that already reached new_fa keeps reading it after the
> free:
> 
> [...]

Here is the summary with links:
  - [net] ipv4: fib: free fib_alias with kfree_rcu() on insert error path
    https://git.kernel.org/netdev/net/c/f2f152e94a67

You are awesome, thank you!
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