Re: [PATCH] net: microchip: vcap: stop scanning after deleting key field

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@xxxxxxxxxxxxx>:

On Thu, 24 Sep 2026 23:39:36 -0700 you wrote:
> The only call outside the KUnit tests is in
> sparx5_tc_add_rule_copy(), which passes a fixed key list with no
> duplicate entries. Therefore, the potential double-free is not
> currently reachable in tree.
> 
> However, vcap_filter_rule_keys() is exported and does not require its
> key list entries to be unique. If a future or external caller supplies
> the same key at another position that the inner loop visits, it calls
> list_del() and kfree() a second time on the freed field, leading to a
> potential double-free.
> 
> [...]

Here is the summary with links:
  - net: microchip: vcap: stop scanning after deleting key field
    https://git.kernel.org/netdev/net/c/99b43ede9e35

You are awesome, thank you!
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