*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
Use !analyze -v to get detailed debugging information.
BugCheck 19, {20, fffffa8017b96100, fffffa8017b96120, 4020010}
*** WARNING: Unable to verify timestamp for mwac.sys
*** ERROR: Module load completed but symbols could not be loaded for mwac.sys
Probably caused by : fwpkclnt.sys ( fwpkclnt!FwpsConstructIpHeaderForTransportPacket0+20a )
Followup: MachineOwner
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4: kd> !analyze -v
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
BAD_POOL_HEADER (19)
The pool is already corrupt at the time of the current request.
This may or may not be due to the caller.
The internal pool links must be walked to figure out a possible cause of
the problem, and then special pool applied to the suspect tags or the driver
verifier to a suspect driver.
Arguments:
Arg1: 0000000000000020, a pool block header size is corrupt.
Arg2: fffffa8017b96100, The pool entry we were looking for within the page.
Arg3: fffffa8017b96120, The next pool entry.
Arg4: 0000000004020010, (reserved)
Debugging Details:
------------------
BUGCHECK_STR: 0x19_20
POOL_ADDRESS: GetPointerFromAddress: unable to read from fffff80003709100
GetUlongFromAddress: unable to read from fffff800037091c0
fffffa8017b96100 Nonpaged pool
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: WIN7_DRIVER_FAULT
PROCESS_NAME: mbamservice.ex
CURRENT_IRQL: 0
LAST_CONTROL_TRANSFER: from fffff80003604cae to fffff800034da1c0
STACK_TEXT:
fffff880`0e672258 fffff800`03604cae : 00000000`00000019 00000000`00000020 fffffa80`17b96100 fffffa80`17b96120 : nt!KeBugCheckEx
fffff880`0e672260 fffff880`01f290bd : 00000000`00000008 00000000`0000000c 00000000`676e7049 fffffa80`1826888c : nt!ExDeferredFreePool+0x12da
fffff880`0e672310 fffff880`01db904a : 00000000`00000000 fffff880`01db50c3 00000000`00000000 fffffa80`1bc1b430 : tcpip!IppInspectBuildHeaders+0x65d
fffff880`0e6725f0 fffff880`0b460109 : 00000000`00000000 00000000`00000014 00000000`00000000 fffffa80`1c5cab00 : fwpkclnt!FwpsConstructIpHeaderForTransportPacket0+0x20a
fffff880`0e672690 00000000`00000000 : 00000000`00000014 00000000`00000000 fffffa80`1c5cab00 fffffa80`1c5cab14 : mwac+0x6109
STACK_COMMAND: kb
FOLLOWUP_IP:
fwpkclnt!FwpsConstructIpHeaderForTransportPacket0+20a
fffff880`01db904a 85c0 test eax,eax
SYMBOL_STACK_INDEX: 3
SYMBOL_NAME: fwpkclnt!FwpsConstructIpHeaderForTransportPacket0+20a
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: fwpkclnt
IMAGE_NAME: fwpkclnt.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 50e4f5c8
FAILURE_BUCKET_ID: X64_0x19_20_fwpkclnt!FwpsConstructIpHeaderForTransportPacket0+20a
BUCKET_ID: X64_0x19_20_fwpkclnt!FwpsConstructIpHeaderForTransportPacket0+20a
Followup: MachineOwner
---------