Index: ntoskrnl/ob/oblife.c
===================================================================
--- ntoskrnl/ob/oblife.c	(révision 57355)
+++ ntoskrnl/ob/oblife.c	(copie de travail)
@@ -1429,7 +1429,7 @@
     POBJECT_HEADER ObjectHeader = NULL;
     POBJECT_HANDLE_ATTRIBUTE_INFORMATION HandleFlags;
     POBJECT_BASIC_INFORMATION BasicInfo;
-    ULONG InfoLength;
+    ULONG InfoLength = 0;
     PVOID Object = NULL;
     NTSTATUS Status;
     KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
Index: ntoskrnl/ob/oblink.c
===================================================================
--- ntoskrnl/ob/oblink.c	(révision 57355)
+++ ntoskrnl/ob/oblink.c	(copie de travail)
@@ -595,7 +595,12 @@
             ExAllocatePoolWithTag(PagedPool,
                                   CapturedLinkTarget.MaximumLength,
                                   TAG_SYMLINK_TARGET);
-        if (!SymbolicLink->LinkTarget.Buffer) return STATUS_NO_MEMORY;
+        if (!SymbolicLink->LinkTarget.Buffer)
+        {
+            /* Dereference the symbolic link object and fail */
+            ObDereferenceObject(SymbolicLink);
+            return STATUS_NO_MEMORY;
+        }
 
         /* Copy it */
         RtlCopyMemory(SymbolicLink->LinkTarget.Buffer,
Index: ntoskrnl/ob/obsdcach.c
===================================================================
--- ntoskrnl/ob/obsdcach.c	(révision 57355)
+++ ntoskrnl/ob/obsdcach.c	(copie de travail)
@@ -427,7 +427,7 @@
             *OutputSecurityDescriptor = &SdHeader->SecurityDescriptor;
             
             /* Free anything that we may have had to create */
-            if (NewHeader) ExFreePool(NewHeader);
+            if (NewHeader) ExFreePoolWithTag(NewHeader, TAG_OB_SD_CACHE);
             return STATUS_SUCCESS;
         }
         
Index: ntoskrnl/ob/obsecure.c
===================================================================
--- ntoskrnl/ob/obsecure.c	(révision 57355)
+++ ntoskrnl/ob/obsecure.c	(copie de travail)
@@ -217,7 +217,7 @@
 {
     POBJECT_HEADER ObjectHeader;
     POBJECT_TYPE ObjectType;
-    PSECURITY_DESCRIPTOR SecurityDescriptor;
+    PSECURITY_DESCRIPTOR SecurityDescriptor = NULL;
     BOOLEAN SdAllocated;
     BOOLEAN Result = TRUE;
     ACCESS_MASK GrantedAccess = 0;
@@ -280,7 +280,7 @@
 {
     POBJECT_HEADER ObjectHeader;
     POBJECT_TYPE ObjectType;
-    PSECURITY_DESCRIPTOR SecurityDescriptor;
+    PSECURITY_DESCRIPTOR SecurityDescriptor = NULL;
     BOOLEAN SdAllocated;
     BOOLEAN Result;
     ACCESS_MASK GrantedAccess = 0;
@@ -338,7 +338,7 @@
 {
     POBJECT_HEADER ObjectHeader;
     POBJECT_TYPE ObjectType;
-    PSECURITY_DESCRIPTOR SecurityDescriptor;
+    PSECURITY_DESCRIPTOR SecurityDescriptor = NULL;
     BOOLEAN SdAllocated;
     BOOLEAN Result;
     ACCESS_MASK GrantedAccess = 0;
Index: ntoskrnl/po/power.c
===================================================================
--- ntoskrnl/po/power.c	(révision 57355)
+++ ntoskrnl/po/power.c	(copie de travail)
@@ -79,11 +79,11 @@
     PIO_STACK_LOCATION IrpSp;
     PIRP Irp;
     NTSTATUS Status;
-    
+
     KeInitializeEvent(&Event,
                       NotificationEvent,
                       FALSE);
-    
+
     Irp = IoBuildSynchronousFsdRequest(IRP_MJ_POWER,
                                        DeviceObject,
                                        NULL,
@@ -91,13 +91,14 @@
                                        NULL,
                                        &Event,
                                        &IoStatusBlock);
-    
+    if (!Irp) return STATUS_INSUFFICIENT_RESOURCES;
+
     IrpSp = IoGetNextIrpStackLocation(Irp);
     IrpSp->MinorFunction = IRP_MN_QUERY_POWER;
     IrpSp->Parameters.Power.Type = SystemPowerState;
     IrpSp->Parameters.Power.State.SystemState = SystemState;
     IrpSp->Parameters.Power.ShutdownType = PowerAction;
-    
+
     Status = PoCallDriver(DeviceObject, Irp);
     if (Status == STATUS_PENDING)
     {
@@ -108,7 +109,7 @@
                               NULL);
         Status = IoStatusBlock.Status;
     }
-    
+
     return Status;
 }
 
@@ -120,11 +121,11 @@
     PIO_STACK_LOCATION IrpSp;
     PIRP Irp;
     NTSTATUS Status;
-    
+
     KeInitializeEvent(&Event,
                       NotificationEvent,
                       FALSE);
-    
+
     Irp = IoBuildSynchronousFsdRequest(IRP_MJ_POWER,
                                        DeviceObject,
                                        NULL,
@@ -132,13 +133,14 @@
                                        NULL,
                                        &Event,
                                        &IoStatusBlock);
-    
+    if (!Irp) return STATUS_INSUFFICIENT_RESOURCES;
+
     IrpSp = IoGetNextIrpStackLocation(Irp);
     IrpSp->MinorFunction = IRP_MN_SET_POWER;
     IrpSp->Parameters.Power.Type = SystemPowerState;
     IrpSp->Parameters.Power.State.SystemState = SystemState;
     IrpSp->Parameters.Power.ShutdownType = PowerAction;
-    
+
     Status = PoCallDriver(DeviceObject, Irp);
     if (Status == STATUS_PENDING)
     {
@@ -149,7 +151,7 @@
                               NULL);
         Status = IoStatusBlock.Status;
     }
-    
+
     return Status;
 }