Messages in this thread | | | Subject | Re: [net-next v1] tcp: don't free a FIN sk_buff in tcp_remove_empty_skb() | From | patchwork-bot+netdevbpf@kernel ... | Date | Tue, 26 Oct 2021 12:20:06 +0000 |
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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
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