CVE ID:	CVE-2024-26708
Description:	In the Linux kernel, the following vulnerability has been resolved: mptcp: really cope with fastopen race Fastopen and PM-trigger subflow shutdown can race, as reported by syzkaller. In my first attempt to close such race, I missed the fact that the subflow status can change again before the subflow_state_change callback is invoked. Address the issue additionally copying with all the states directly reachable from TCP_FIN_WAIT1.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2024-26708 https://git.kernel.org/stable/c/337cebbd850f94147cee05252778f8f78b8c337f https://git.kernel.org/stable/c/337cebbd850f94147cee05252778f8f78b8c337f https://git.kernel.org/stable/c/4bfe217e075d04e63c092df9d40c608e598c2ef2 https://git.kernel.org/stable/c/4bfe217e075d04e63c092df9d40c608e598c2ef2 https://git.kernel.org/stable/c/e158fb9679d15a2317ec13b4f6301bd26265df2f https://git.kernel.org/stable/c/e158fb9679d15a2317ec13b4f6301bd26265df2f