In the Linux kernel, the following vulnerability has been resolved: printk: Don't WARN on kthread_run failure. Since __kthread_create_on_node() returns -EINTR upon SIGKILL, we should not use WARN_ON() in order to catch kthread_run() failure.
https://git.kernel.org/stable/c/72dd0ec09e7cc98ed58ddeac26575e5d1ab8a93d
https://git.kernel.org/stable/c/4e676279798148382497d0e38c0bd51115e64be1