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 v4.19.193 by commit 39785761feadf261bc5101372b0b0bbaf6a94494, it was introduced in version v4.19.191 by commit 9ffa7967f9379a0a1b924e9ffeda709d72237da7. For more details please see the references link.