[tfaber] 75084: [KMTESTS:MM] - Test unaligned address and addresses close to MmHighestUserAddress in MmMapLockedPagesSpecifyCache test CORE-13444 - Ros-diffs

18 Jun 2017

Author: tfaber
Date: Sun Jun 18 08:00:29 2017
New Revision: 75084
URL: http://svn.reactos.org/svn/reactos?rev=75084&view=rev
Log:
[KMTESTS:MM]
- Test unaligned address and addresses close to MmHighestUserAddress in MmMapLockedPagesSpecifyCache test
CORE-13444
Modified:
    trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache.h
    trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_drv.c
    trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_user.c
Modified: trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache.h
URL: http://svn.reactos.org/svn/reactos/trunk/rostests/kmtests/ntos_mm/MmMapLocke...
==============================================================================

--- trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache.h	[iso-8859-1] (original)
+++ trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache.h	[iso-8859-1] Sun Jun 18 08:00:29 2017
@@ -14,6 +14,7 @@
     USHORT Length;
     PVOID Buffer;
     BOOLEAN Cached;
+    NTSTATUS Status;
 } QUERY_BUFFER, *PQUERY_BUFFER;
typedef struct _READ_BUFFER
@@ -25,6 +26,7 @@
#define IOCTL_QUERY_BUFFER 1
 #define IOCTL_READ_BUFFER  2
+#define IOCTL_CLEAN        3
#define WRITE_PATTERN 0xA4A5A6A7
Modified: trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_drv.c
URL: http://svn.reactos.org/svn/reactos/trunk/rostests/kmtests/ntos_mm/MmMapLocke...
==============================================================================
--- trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_drv.c	[iso-8859-1] (original)
+++ trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_drv.c	[iso-8859-1] Sun Jun 18 08:00:29 2017
@@ -121,7 +121,7 @@
TestCleanEverything();
-            ok(ExGetPreviousMode() == UserMode, "Not comming from umode!\n");
+            ok(ExGetPreviousMode() == UserMode, "Not coming from umode!\n");
             if (!skip(Buffer && InLength >= sizeof(QUERY_BUFFER) && *OutLength >= sizeof(QUERY_BUFFER), "Cannot read/write from/to buffer!\n"))
             {
                 PQUERY_BUFFER QueryBuffer;
@@ -178,15 +178,26 @@
                             SehStatus = STATUS_SUCCESS;
                             _SEH2_TRY
                             {
-                                CurrentUser = MmMapLockedPagesSpecifyCache(CurrentMdl, UserMode, CacheType, NULL, FALSE, NormalPagePriority);
+                                CurrentUser = MmMapLockedPagesSpecifyCache(CurrentMdl, UserMode, CacheType, QueryBuffer->Buffer, FALSE, NormalPagePriority);
                             }
                             _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
                             {
                                 SehStatus = _SEH2_GetExceptionCode();
                             }
                             _SEH2_END;
-                            ok_eq_hex(SehStatus, STATUS_SUCCESS);
-                            ok(CurrentUser != NULL, "MmMapLockedPagesSpecifyCache failed!\n");
+                            if (QueryBuffer->Status != -1)
+                            {
+                                ok_eq_hex(SehStatus, QueryBuffer->Status);
+                                if (NT_SUCCESS(QueryBuffer->Status))
+                                {
+                                    ok(CurrentUser != NULL, "MmMapLockedPagesSpecifyCache failed!\n");
+                                }
+                                else
+                                {
+                                    ok(CurrentUser == NULL, "MmMapLockedPagesSpecifyCache succeeded!\n");
+                                }
+                            }
+                            QueryBuffer->Status = SehStatus;
                         }
                         else
                         {
@@ -208,7 +219,7 @@
             ok_eq_size(*OutLength, 0);
             ok(CurrentMdl != NULL, "MDL is not in use!\n");
-            if (!skip(Buffer && InLength >= sizeof(QUERY_BUFFER), "Cannot read from buffer!\n"))
+            if (!skip(Buffer && InLength >= sizeof(READ_BUFFER), "Cannot read from buffer!\n"))
             {
                 PREAD_BUFFER ReadBuffer;
@@ -237,6 +248,11 @@
break;
         }
+        case IOCTL_CLEAN:
+        {
+            TestCleanEverything();
+            break;
+        }
         default:
             ok(0, "Got an unknown message! DeviceObject=%p, ControlCode=%lu, Buffer=%p, In=%lu, Out=%lu bytes\n",
                     DeviceObject, ControlCode, Buffer, InLength, *OutLength);
Modified: trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_user.c
URL: http://svn.reactos.org/svn/reactos/trunk/rostests/kmtests/ntos_mm/MmMapLocke...
==============================================================================
--- trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_user.c	[iso-8859-1] (original)
+++ trunk/rostests/kmtests/ntos_mm/MmMapLockedPagesSpecifyCache_user.c	[iso-8859-1] Sun Jun 18 08:00:29 2017
@@ -6,8 +6,12 @@
  */
#include <kmt_test.h>
+#include <ndk/exfuncs.h>
#include "MmMapLockedPagesSpecifyCache.h"
+
+#define ALIGN_DOWN_BY(size, align) \
+        ((ULONG_PTR)(size) & ~((ULONG_PTR)(align) - 1))
#define SET_BUFFER_LENGTH(Var, Length)         \
 {                                              \
@@ -20,6 +24,7 @@
     QueryBuffer.Length = BufferLength;                         \
     QueryBuffer.Buffer = NULL;                                 \
     QueryBuffer.Cached = UseCache;                             \
+    QueryBuffer.Status = STATUS_SUCCESS;                       \
 }
#define FILL_READ_BUFFER(QueryBuffer, ReadBuffer)               \
@@ -78,6 +83,9 @@
     DWORD Length;
     USHORT i;
     USHORT BufferLength;
+    SYSTEM_BASIC_INFORMATION BasicInfo;
+    NTSTATUS Status;
+    ULONG_PTR HighestAddress;
KmtLoadDriver(L"MmMapLockedPagesSpecifyCache", FALSE);
     KmtOpenDriver();
@@ -180,31 +188,92 @@
// more than 2 pages
     SET_BUFFER_LENGTH(BufferLength, 2 * 4096 + 2048);
-    QueryBuffer.Length = BufferLength;
-    QueryBuffer.Buffer = NULL;
-    QueryBuffer.Cached = FALSE;
-    Length = sizeof(QUERY_BUFFER);
-    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER), &Length) == ERROR_SUCCESS, "\n");
-    ok_eq_int(QueryBuffer.Length, BufferLength);
-    ok(QueryBuffer.Buffer != NULL, "Buffer is NULL\n");
-    CHECK_ALLOC(QueryBuffer.Buffer, BufferLength);
-
-    Length = 0;
-    FILL_READ_BUFFER(QueryBuffer, ReadBuffer);
-    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER), &Length) == ERROR_SUCCESS, "\n");
-
-    QueryBuffer.Length = BufferLength;
-    QueryBuffer.Buffer = NULL;
-    QueryBuffer.Cached = TRUE;
-    Length = sizeof(QUERY_BUFFER);
-    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER), &Length) == ERROR_SUCCESS, "\n");
-    ok_eq_int(QueryBuffer.Length, BufferLength);
-    ok(QueryBuffer.Buffer != NULL, "Buffer is NULL\n");
-    CHECK_ALLOC(QueryBuffer.Buffer, BufferLength);
-
-    Length = 0;
-    FILL_READ_BUFFER(QueryBuffer, ReadBuffer);
-    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER), &Length) == ERROR_SUCCESS, "\n");
+    FILL_QUERY_BUFFER(QueryBuffer, BufferLength, FALSE);
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER), &Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Buffer != NULL, "Buffer is NULL\n");
+    CHECK_ALLOC(QueryBuffer.Buffer, BufferLength);
+
+    Length = 0;
+    FILL_READ_BUFFER(QueryBuffer, ReadBuffer);
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER), &Length) == ERROR_SUCCESS, "\n");
+
+    FILL_QUERY_BUFFER(QueryBuffer, BufferLength, TRUE);
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER), &Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Buffer != NULL, "Buffer is NULL\n");
+    CHECK_ALLOC(QueryBuffer.Buffer, BufferLength);
+
+    Length = 0;
+    FILL_READ_BUFFER(QueryBuffer, ReadBuffer);
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER), &Length) == ERROR_SUCCESS, "\n");
+
+    // ask for a specific address (we know that ReadBuffer.Buffer is free)
+    SET_BUFFER_LENGTH(BufferLength, 4096);
+    FILL_QUERY_BUFFER(QueryBuffer, BufferLength, FALSE);
+    QueryBuffer.Buffer = ReadBuffer.Buffer;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER), &Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Buffer == ReadBuffer.Buffer, "Buffer is NULL\n");
+    CHECK_ALLOC(QueryBuffer.Buffer, BufferLength);
+
+    Length = 0;
+    FILL_READ_BUFFER(QueryBuffer, ReadBuffer);
+    ok(KmtSendBufferToDriver(IOCTL_READ_BUFFER, &ReadBuffer, sizeof(READ_BUFFER), &Length) == ERROR_SUCCESS, "\n");
+
+    // ask for an unaligned address
+    SET_BUFFER_LENGTH(BufferLength, 4096);
+    FILL_QUERY_BUFFER(QueryBuffer, BufferLength, FALSE);
+    QueryBuffer.Buffer = (PVOID)((ULONG_PTR)ReadBuffer.Buffer + 2048);
+    QueryBuffer.Status = STATUS_INVALID_ADDRESS;
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER), &Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Buffer == NULL, "Buffer is %p\n", QueryBuffer.Buffer);
+
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_CLEAN, NULL, 0, &Length) == ERROR_SUCCESS, "\n");
+
+    // get system info for MmHighestUserAddress
+    Status = NtQuerySystemInformation(SystemBasicInformation,
+                                      &BasicInfo,
+                                      sizeof(BasicInfo),
+                                      NULL);
+    ok_eq_hex(Status, STATUS_SUCCESS);
+    trace("MaximumUserModeAddress: %lx\n", BasicInfo.MaximumUserModeAddress);
+    HighestAddress = ALIGN_DOWN_BY(BasicInfo.MaximumUserModeAddress, PAGE_SIZE);
+
+    // near MmHighestUserAddress
+    SET_BUFFER_LENGTH(BufferLength, 4096);
+    FILL_QUERY_BUFFER(QueryBuffer, BufferLength, FALSE);
+    QueryBuffer.Buffer = (PVOID)(HighestAddress - 15 * PAGE_SIZE); // 7ffe0000
+    QueryBuffer.Status = STATUS_INVALID_ADDRESS;
+    trace("QueryBuffer.Buffer %p\n", QueryBuffer.Buffer);
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER), &Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Buffer == NULL, "Buffer is %p\n", QueryBuffer.Buffer);
+
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_CLEAN, NULL, 0, &Length) == ERROR_SUCCESS, "\n");
+
+    // far enough away from MmHighestUserAddress
+    SET_BUFFER_LENGTH(BufferLength, 4096);
+    FILL_QUERY_BUFFER(QueryBuffer, BufferLength, FALSE);
+    QueryBuffer.Buffer = (PVOID)(HighestAddress - 16 * PAGE_SIZE); // 7ffdf000
+    QueryBuffer.Status = -1;
+    trace("QueryBuffer.Buffer %p\n", QueryBuffer.Buffer);
+    Length = sizeof(QUERY_BUFFER);
+    ok(KmtSendBufferToDriver(IOCTL_QUERY_BUFFER, &QueryBuffer, sizeof(QUERY_BUFFER), &Length) == ERROR_SUCCESS, "\n");
+    ok_eq_int(QueryBuffer.Length, BufferLength);
+    ok(QueryBuffer.Status == STATUS_SUCCESS ||
+       QueryBuffer.Status == STATUS_CONFLICTING_ADDRESSES, "Status = %lx\n", QueryBuffer.Status);
+
+    Length = 0;
+    ok(KmtSendBufferToDriver(IOCTL_CLEAN, NULL, 0, &Length) == ERROR_SUCCESS, "\n");
KmtCloseDriver();
     KmtUnloadDriver();

    