INVALID_PROCESS_ATTACH_ATTEMPT bugcheck during testbot runs

*** Fatal System Error: 0x00000005

                       (0xB1D8B570,0xB2675D88,0x00000001,0x00000000)



Entered debugger on embedded INT3 at 0x0008:0x809411cc.

kdb:>

 bt

Eip:

<NTOSKRNL.EXE:1411cd (:0 (RtlpBreakWithStatusInstruction))>

Frames:

<NTOSKRNL.EXE:823ed (ntoskrnl/ke/bug.c:1100 (KeBugCheckWithTf))>

<NTOSKRNL.EXE:829c4 (ntoskrnl/ke/bug.c:1456 (KeBugCheckEx))>

<NTOSKRNL.EXE:86f11 (ntoskrnl/ke/procobj.c:542 (KeAttachProcess))>

<NTOSKRNL.EXE:d969a (ntoskrnl/mm/marea.c:596 (MmDeleteProcessAddressSpace))>

<NTOSKRNL.EXE:101d57 (ntoskrnl/ps/kill.c:354 (PspDeleteProcess))>

<NTOSKRNL.EXE:f01c3 (ntoskrnl/ob/oblife.c:211 (ObpDeleteObject))>

<NTOSKRNL.EXE:f672f (ntoskrnl/ob/obref.c:237 (ObfDereferenceObject))>

<NTOSKRNL.EXE:9ff41 (ntoskrnl/mm/ARM3/expool.c:2302 (ExFreePoolWithTag))>

<NTOSKRNL.EXE:6c01e (ntoskrnl/io/iomgr/irp.c:1644 (IoFreeIrp))>

<NTOSKRNL.EXE:5f42c (ntoskrnl/io/iomgr/file.c:1334 (IopDeleteFile))>

<NTOSKRNL.EXE:f01c3 (ntoskrnl/ob/oblife.c:211 (ObpDeleteObject))>

<NTOSKRNL.EXE:f672f (ntoskrnl/ob/obref.c:237 (ObfDereferenceObject))>

<NTOSKRNL.EXE:ec03c (ntoskrnl/ob/obhandle.c:767 (ObpCloseHandleTableEntry))>

<NTOSKRNL.EXE:ed85a (ntoskrnl/ob/obhandle.c:1771 (ObpCloseHandle))>

<NTOSKRNL.EXE:ef765 (ntoskrnl/ob/obhandle.c:3395 (NtClose))>

<NTOSKRNL.EXE:126ac4 (ntoskrnl/include/internal/i386/ke.h:706 (KiSystemServiceHandler))>

<NTOSKRNL.EXE:3d1f (:0 (KiSystemService))>

<NTOSKRNL.EXE:1228 (:0 (ZwClose))>

<NTOSKRNL.EXE:6bd6b (ntoskrnl/io/iomgr/irp.c:1223 (IofCallDriver))>

<NTOSKRNL.EXE:5f3ab (ntoskrnl/io/iomgr/file.c:1321 (IopDeleteFile))>

<NTOSKRNL.EXE:f01c3 (ntoskrnl/ob/oblife.c:211 (ObpDeleteObject))>

<NTOSKRNL.EXE:f672f (ntoskrnl/ob/obref.c:237 (ObfDereferenceObject))>

<NTOSKRNL.EXE:ec03c (ntoskrnl/ob/obhandle.c:767 (ObpCloseHandleTableEntry))>

<NTOSKRNL.EXE:ec083 (ntoskrnl/ob/obhandle.c:1927 (ObpCloseHandleCallback))>

<NTOSKRNL.EXE:31f43 (ntoskrnl/ex/handle.c:1211 (ExSweepHandleTable))>

<NTOSKRNL.EXE:edd61 (ntoskrnl/ob/obhandle.c:2182 (ObKillProcess))>

<NTOSKRNL.EXE:10141c (ntoskrnl/ps/kill.c:837 (PspExitThread))>

<NTOSKRNL.EXE:1018ce (ntoskrnl/ps/kill.c:940 (PsExitSpecialApc))>

<NTOSKRNL.EXE:80a3a (ntoskrnl/ke/apc.c:474 (KiDeliverApc))>

<NTOSKRNL.EXE:123f55 (ntoskrnl/include/internal/i386/ke.h:776 (KiServiceExit))>

<NTOSKRNL.EXE:126b8b (ntoskrnl/ke/i386/traphdlr.c:1751 (KiSystemServiceHandler))>

<NTOSKRNL.EXE:3da9 (:0 (KiFastCallEntry))>