Machine can bugcheck with this stack trace:
nt!KeBugCheckEx
nt!ExFreePoolWithTag+0xffffffff`ffffec6a
srvnet!SrvLibLookasideDirectFreeBuffer+0x2d
srv!SrvFreeNonPagedPool+0x22
srv!SrvDereferenceRfcb+0x18c
srv!SrvOplockBreakNotification+0x94
srv!WorkerThread+0xcd
nt!PspSystemThreadStartup+0x57
nt!KxStartSystemThread+0x16
nt!KeBugCheckEx
nt!ExFreePoolWithTag+0xffffffff`ffffec6a
srvnet!SrvLibLookasideDirectFreeBuffer+0x2d
srv!SrvFreeNonPagedPool+0x22
srv!SrvDereferenceRfcb+0x18c
srv!SrvOplockBreakNotification+0x94
srv!WorkerThread+0xcd
nt!PspSystemThreadStartup+0x57
nt!KxStartSystemThread+0x16