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sys: FspFsvrtDeleteVolume: delay delete the volume to avoid crashes in fltmgr.sys; using FspDeviceRetain() instead of ObReferenceObject() appears to completely resolve the fltmgr.sys crash

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This commit is contained in:
Bill Zissimopoulos
2015-12-14 15:56:44 -08:00
parent aee12e1c5f
commit a3312ad2f1
4 changed files with 123 additions and 6 deletions
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11
src/sys/driver.h
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@ -479,6 +479,17 @@ BOOLEAN FspValidRelativeSecurityDescriptor(
NTSTATUS FspSecuritySubjectContextAccessCheck(
PSECURITY_DESCRIPTOR SecurityDescriptor, ACCESS_MASK DesiredAccess, KPROCESSOR_MODE AccessMode);
/* delayed work queue */
typedef struct
{
KTIMER Timer;
KDPC Dpc;
WORK_QUEUE_ITEM WorkQueueItem;
} FSP_WORK_ITEM_WITH_DELAY;
VOID FspInitializeWorkItemWithDelay(FSP_WORK_ITEM_WITH_DELAY *WorkItem,
PWORKER_THREAD_ROUTINE Routine, PVOID Context);
VOID FspQueueWorkItemWithDelay(FSP_WORK_ITEM_WITH_DELAY *WorkItem, LARGE_INTEGER Timeout);
/* debug */
#if DBG
BOOLEAN HasDbgBreakPoint(const char *Function);