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