NFSv4: Fix a NULL pointer dereference in pnfsmarkmatchinglsegsreturn()
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 v4.9.271 by commit 4e1ba532dbc1a0e19fc2458d74ab8d98680c4e42, it was introduced in version v4.9.269 by commit 80e34f4957ec3010c85f9bb0b568a8d46acdf535. For more details please see the references link.