Thread (5 messages) 5 messages, 5 authors, 8h ago

Re: [PATCH net] net: openvswitch: reject oversized nested action attrs

From: patchwork-bot+netdevbpf@kernel.org
Date: 2026-07-11 11:20:29
Also in: stable

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni [off-list ref]:

On Mon, 06 Jul 2026 09:44:10 +0000 you wrote:
Open vSwitch stores generated flow actions as nlattrs, whose nla_len
field is u16. Commit a1e64addf3ff ("net: openvswitch: remove
misbehaving actions length check") allowed the total sw_flow_actions
stream to grow beyond 64 KiB, which is valid, but also removed the last
guard preventing a generated nested action attribute from exceeding
U16_MAX.

[...]
Here is the summary with links:
  - [net] net: openvswitch: reject oversized nested action attrs
    https://git.kernel.org/netdev/net/c/3f1f75536668

You are awesome, thank you!
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