Re: [PATCH net] net: openvswitch: remove misbehaving actions length check
From: patchwork-bot+netdevbpf
Date: Thu Mar 13 2025 - 05:40:28 EST
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:
On Sat, 8 Mar 2025 01:45:59 +0100 you wrote:
> The actions length check is unreliable and produces different results
> depending on the initial length of the provided netlink attribute and
> the composition of the actual actions inside of it. For example, a
> user can add 4088 empty clone() actions without triggering -EMSGSIZE,
> on attempt to add 4089 such actions the operation will fail with the
> -EMSGSIZE verdict. However, if another 16 KB of other actions will
> be *appended* to the previous 4089 clone() actions, the check passes
> and the flow is successfully installed into the openvswitch datapath.
>
> [...]
Here is the summary with links:
- [net] net: openvswitch: remove misbehaving actions length check
https://git.kernel.org/netdev/net/c/a1e64addf3ff
You are awesome, thank you!
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