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 v4.19.198 by commit ecd620e0fb1ff7f78fdb593379b2e6938c99707a. For more details please see the references link.