Re: [net-next v1] tcp: don't free a FIN sk_buff in tcp_remove_empty_skb()

patchwork-bot+netdevbpf
2021-10-26T12:20:12Z

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@davemloft.net>:

On Mon, 25 Oct 2021 10:59:03 +1100 you wrote:
> v1: Implement a more general statement as recommended by Eric Dumazet. The
> sequence number will be advanced, so this check will fix the FIN case and
> other cases.
>
> A customer reported sockets stuck in the CLOSING state. A Vmcore revealed that
> the write_queue was not empty as determined by tcp_write_queue_empty() but the
> sk_buff containing the FIN flag had been freed and the socket was zombied in
> that state. Corresponding pcaps show no FIN from the Linux kernel on the wire.
>
> [...]

Here is the summary with links:
- [net-next,v1] tcp: don't free a FIN sk_buff in tcp_remove_empty_skb()
https://git.kernel.org/netdev/net-next/c/cf12e6f91246

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.