- Add another paramter to IopCleanupFailedIrp to free an optional buffer being specified to it. This way we don't leak some allocated buffers when IRP allocation fails.

- Create inlined IopUnQueueIrpFromThread to match IopQueueIrpToThread.

svn path=/trunk/; revision=23352

reactos/ntoskrnl/KrnlFun.c

@@ -10,7 +10,6 @@
 //
 // Io:
 //  - See why queueing IRPs and cancelling them causes crashes.
-//  - Add another parameter to IopCleanupFailedIrp.
 //  - Add Access Checks in IopParseDevice.
 //  - Add validation checks in IoCreateFile.
 //  - Add probe/alignment checks for Query/Set routines.

reactos/ntoskrnl/include/internal/io.h

@@ -666,7 +666,8 @@ NTSTATUS
 NTAPI
 IopCleanupFailedIrp(
     IN PFILE_OBJECT FileObject,
-    IN PKEVENT EventObject
+    IN PKEVENT EventObject,
+    IN PVOID Buffer OPTIONAL
 );
 
 VOID

reactos/ntoskrnl/include/internal/io_x.h

@@ -43,6 +43,15 @@ IopQueueIrpToThread(IN PIRP Irp)
     KeLowerIrql(OldIrql);
 }
 
+VOID
+FORCEINLINE
+IopUnQueueIrpFromThread(IN PIRP Irp)
+{
+    /* Remove it from the list and reset it */
+    RemoveEntryList(&Irp->ThreadListEntry);
+    InitializeListHead(&Irp->ThreadListEntry);
+}
+
 VOID
 static __inline
 IopUpdateOperationCount(IN IOP_TRANSFER_TYPE Type)

reactos/ntoskrnl/io/iomgr/file.c

@@ -404,8 +404,7 @@ IopParseDevice(IN PVOID ParseObject,
         FileObject->Event.Header.SignalState = 1;
 
         /* Now that we've signaled the events, de-associate the IRP */
-        //RemoveEntryList(&Irp->ThreadListEntry);
-        //InitializeListHead(&Irp->ThreadListEntry);
+        //IopUnQueueIrpFromThread(Irp);
 
         /* Check if the IRP had an input buffer */
         if ((Irp->Flags & IRP_BUFFERED_IO) &&
@@ -795,7 +794,7 @@ IopSecurityFile(IN PVOID ObjectBody,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, NULL);
 
     /* Set the IRP */
     Irp->Tail.Overlay.OriginalFileObject = FileObject;

reactos/ntoskrnl/io/iomgr/iofunc.c

@@ -346,7 +346,7 @@ IopDeviceFsIoControl(IN HANDLE DeviceHandle,
                                         FALSE,
                                         EventObject,
                                         IoStatusBlock);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, Event);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, Event, NULL);
 
     /* Set some extra settings */
     Irp->Tail.Overlay.AuxiliaryBuffer = (PVOID) NULL;
@@ -415,7 +415,7 @@ IopQueryDeviceInformation(IN PFILE_OBJECT FileObject,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, NULL);
 
     /* Set the IRP */
     Irp->Tail.Overlay.OriginalFileObject = FileObject;
@@ -673,7 +673,7 @@ IoSetInformation(IN PFILE_OBJECT FileObject,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, NULL);
 
     /* Set the IRP */
     Irp->Tail.Overlay.OriginalFileObject = FileObject;
@@ -887,7 +887,7 @@ NtFlushBuffersFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, TRUE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, Event);
 
     /* Set up the IRP */
     Irp->Flags = (LocalEvent) ? IRP_SYNCHRONOUS_API : 0;
@@ -1017,7 +1017,7 @@ NtNotifyChangeDirectoryFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, Event);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, Event, NULL);
 
     /* Set up the IRP */
     Irp->RequestorMode = PreviousMode;
@@ -1165,7 +1165,7 @@ NtLockFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, Event);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, Event, NULL);
 
     /* Set up the IRP */
     Irp->RequestorMode = PreviousMode;
@@ -1366,7 +1366,7 @@ NtQueryDirectoryFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, TRUE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, EventHandle);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, EventHandle, AuxBuffer);
 
     /* Set up the IRP */
     Irp->RequestorMode = PreviousMode;
@@ -1587,7 +1587,7 @@ NtQueryInformationFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, Event);
 
     /* Set the IRP */
     Irp->Tail.Overlay.OriginalFileObject = FileObject;
@@ -1882,7 +1882,7 @@ NtReadFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, NULL);
 
     /* Set the IRP */
     Irp->Tail.Overlay.OriginalFileObject = FileObject;
@@ -2129,7 +2129,7 @@ NtSetInformationFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, TRUE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, Event);
 
     /* Set the IRP */
     Irp->Tail.Overlay.OriginalFileObject = FileObject;
@@ -2463,7 +2463,7 @@ NtUnlockFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, Event);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, Event);
 
     /* Set up the IRP */
     Irp->RequestorMode = PreviousMode;
@@ -2693,7 +2693,7 @@ NtWriteFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, NULL);
 
     /* Set the IRP */
     Irp->Tail.Overlay.OriginalFileObject = FileObject;
@@ -2885,7 +2885,7 @@ NtQueryVolumeInformationFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, Event);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, Event);
 
     /* Set up the IRP */
     Irp->RequestorMode = PreviousMode;
@@ -3035,7 +3035,7 @@ NtSetVolumeInformationFile(IN HANDLE FileHandle,
 
     /* Allocate the IRP */
     Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
-    if (!Irp) return IopCleanupFailedIrp(FileObject, Event);
+    if (!Irp) return IopCleanupFailedIrp(FileObject, NULL, Event);
 
     /* Set up the IRP */
     Irp->RequestorMode = PreviousMode;

reactos/ntoskrnl/io/iomgr/irp.c

@@ -43,13 +43,17 @@ IopAbortIrpKernelApc(IN PKAPC Apc)
 NTSTATUS
 NTAPI
 IopCleanupFailedIrp(IN PFILE_OBJECT FileObject,
-                    IN PKEVENT EventObject)
+                    IN PKEVENT EventObject OPTIONAL,
+                    IN PVOID Buffer OPTIONAL)
 {
     PAGED_CODE();
 
     /* Dereference the event */
     if (EventObject) ObDereferenceObject(EventObject);
 
+    /* Free a buffer, if any */
+    if (Buffer) ExFreePool(Buffer);
+
     /* If this was a file opened for synch I/O, then unlock it */
     if (FileObject->Flags & FO_SYNCHRONOUS_IO) IopUnlockFileObject(FileObject);
 
@@ -348,8 +352,7 @@ IopCompleteRequest(IN PKAPC Apc,
         }
 
         /* Now that we've signaled the events, de-associate the IRP */
-        RemoveEntryList(&Irp->ThreadListEntry);
-        InitializeListHead(&Irp->ThreadListEntry);
+        IopUnQueueIrpFromThread(Irp);
 
         /* Now check if a User APC Routine was requested */
         if (Irp->Overlay.AsynchronousParameters.UserApcRoutine)
@@ -447,8 +450,7 @@ IopCompleteRequest(IN PKAPC Apc,
         }
 
         /* Now that we've signaled the events, de-associate the IRP */
-        RemoveEntryList(&Irp->ThreadListEntry);
-        InitializeListHead(&Irp->ThreadListEntry);
+        IopUnQueueIrpFromThread(Irp);
 
         /* Free the IRP as well */
         IoFreeIrp(Irp);