tty: fix deadlock caused by calling printk() under tty_port->lock
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.318 by commit 4af21b12a60ed2d3642284f4f85b42d7dc6ac246, it was introduced in version v4.9.117 by commit d83904cb2eb2c4d937eaf15032214b0578f25099. For more details please see the references link.