nilfs2: fix shift-out-of-bounds/overflow in nilfssb2bad_offset()
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 v4.9.337 by commit 6b0ea3df56cccd53398d0289f399f19d43136b2e. For more details please see the references link.