rostests/kmtests/rtl/RtlException.c

   1 /*
   2  * PROJECT:         ReactOS kernel-mode tests
   3  * LICENSE:         GPLv2+ - See COPYING in the top level directory
   4  * PURPOSE:         Kernel-Mode Test Suite Exception test
   5  * PROGRAMMER:      Thomas Faber <thomas.faber@reactos.org>
   6  */
   7
   8 #include <kmt_test.h>
   9
  10 START_TEST(RtlException)
  11 {
  12     PCHAR Buffer[128];
  13
  14     /* Access a valid pointer - must not trigger SEH */
  15     KmtStartSeh()
  16         RtlFillMemory(Buffer, sizeof(Buffer), 0x12);
  17     KmtEndSeh(STATUS_SUCCESS);
  18
  19     /* Read from a NULL pointer - must cause an access violation */
  20     KmtStartSeh()
  21         (void)*(volatile CHAR *)NULL;
  22     KmtEndSeh(STATUS_ACCESS_VIOLATION);
  23
  24     /* Write to a NULL pointer - must cause an access violation */
  25     KmtStartSeh()
  26         *(volatile CHAR *)NULL = 5;
  27     KmtEndSeh(STATUS_ACCESS_VIOLATION);
  28
  29     /* TODO: Find where MmBadPointer is defined - gives an unresolved external */
  30 #if 0 //def KMT_KERNEL_MODE
  31     /* Read from MmBadPointer - must cause an access violation */
  32     KmtStartSeh()
  33         (void)*(volatile CHAR *)MmBadPointer;
  34     KmtEndSeh(STATUS_ACCESS_VIOLATION);
  35
  36     /* Write to MmBadPointer - must cause an access violation */
  37     KmtStartSeh()
  38         *(volatile CHAR *)MmBadPointer = 5;
  39     KmtEndSeh(STATUS_ACCESS_VIOLATION);
  40 #endif
  41
  42     /* We cannot test this in kernel mode easily - the stack is just "somewhere"
  43      * in system space, and there's no guard page below it */
  44 #if CORE_6640_IS_FIXED
  45 #ifdef KMT_USER_MODE
  46     /* Overflow the stack - must cause a special exception */
  47     KmtStartSeh()
  48         PCHAR Pointer;
  49
  50         while (1)
  51         {
  52             Pointer = _alloca(1024);
  53             *Pointer = 5;
  54         }
  55     KmtEndSeh(STATUS_STACK_OVERFLOW);
  56 #endif
  57 #endif /* CORE_6640_IS_FIXED */
  58 }