Occasional KERNEL_SECURITY_CHECK_FAILURE bugcheck in MmDeleteProcessAddressSpace

*** Fatal System Error: 0x00000139

                       (0x00000003,0xF6F8591C,0xF6F858C4,0x00000000)



Entered debugger on embedded INT3 at 0x0008:0x8094b198.

kdb:>

 bt

Eip:

<NTOSKRNL.EXE:14b199 (:0 (RtlpBreakWithStatusInstruction))>

Frames:

<NTOSKRNL.EXE:8cb5d (ntoskrnl/ke/bug.c:1098 (KeBugCheckWithTf))>

<NTOSKRNL.EXE:134789 (ntoskrnl/ke/i386/traphdlr.c:1511 (KiRaiseSecurityCheckFailureHandler))>

<NTOSKRNL.EXE:3969 (:0 (KiRaiseSecurityCheckFailure))>

<NTOSKRNL.EXE:e4b1d (include/crt/mingw32/intrin_x86.h:1502 (MmDeleteProcessAddressSpace))>

<NTOSKRNL.EXE:10e9ff (ntoskrnl/ps/kill.c:354 (PspDeleteProcess))>

<NTOSKRNL.EXE:fbb99 (ntoskrnl/ob/oblife.c:211 (ObpDeleteObject))>

<NTOSKRNL.EXE:10244f (ntoskrnl/ob/obref.c:237 (ObfDereferenceObject))>

<NTOSKRNL.EXE:aae41 (ntoskrnl/mm/ARM3/expool.c:2302 (ExFreePoolWithTag))>

<NTOSKRNL.EXE:ab895 (ntoskrnl/mm/ARM3/expool.c:2503 (ExFreePool))>

<npfs.sys:6fdd (drivers/filesystems/npfs/secursup.c:53 (NpFreeClientSecurityContext))>

<npfs.sys:70d1 (drivers/filesystems/npfs/secursup.c:76 (NpUninitializeSecurity))>

<npfs.sys:803c (drivers/filesystems/npfs/statesup.c:326 (NpSetClosingPipeState))>

<npfs.sys:113b (drivers/filesystems/npfs/cleanup.c:47 (NpCommonCleanup))>

<npfs.sys:11eb (drivers/filesystems/npfs/cleanup.c:66 (NpFsdCleanup))>

<NTOSKRNL.EXE:757a4 (ntoskrnl/io/iomgr/irp.c:1221 (IofCallDriver))>

<NTOSKRNL.EXE:67820 (ntoskrnl/io/iomgr/file.c:1964 (IopCloseFile))>

<NTOSKRNL.EXE:f7549 (ntoskrnl/ob/obhandle.c:619 (ObpDecrementHandleCount))>

<NTOSKRNL.EXE:f77df (ntoskrnl/ob/obhandle.c:746 (ObpCloseHandleTableEntry))>

<NTOSKRNL.EXE:f915c (ntoskrnl/ob/obhandle.c:1745 (ObpCloseHandle))>

<NTOSKRNL.EXE:fb087 (ntoskrnl/ob/obhandle.c:3297 (NtClose))>--- Press q to abort, any other key to continue ---