Re: [PATCH net v3] mptcp: only set DATA_FIN when a mapping is present

[patchwork-bot+netdevbpf]

Hello:

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

On Thu,  9 Jul 2026 15:19:25 -0400 you wrote:
> mptcp_get_options() clears only the status group of struct
> mptcp_options_received; data_seq, subflow_seq and data_len are filled in
> by mptcp_parse_option() exclusively inside the DSS mapping block, which
> runs only when the DSS M (mapping present) bit is set.
> 
> A peer can send a DSS option with the DATA_FIN flag set but the mapping
> bit clear. The parser then records mp_opt->data_fin while leaving
> data_len and data_seq uninitialized. For a zero-length segment
> mptcp_incoming_options() evaluates
> 
> [...]

Here is the summary with links:
  - [net,v3] mptcp: only set DATA_FIN when a mapping is present
    https://git.kernel.org/netdev/net/c/b2ff91b752b0

You are awesome, thank you!
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