tty: ttybuffer: Fix the softlockup issue in flushto_ldisc
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 v4.14.256 by commit 4c1623651a0936ee197859824cdae6ebbd04d3ed. For more details please see the references link.