watchdog: Fix possible use-after-free by calling deltimersync()
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 v4.14.240 by commit 8bec568d7518b1504a602ed5376bb322e4dbb270. For more details please see the references link.