[Bug 38159] New: NULL pointer dereferencing

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=38159

            Bug ID: 38159
           Summary: NULL pointer dereferencing
           Product: Wine
           Version: 1.7.37
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: kernel32
          Assignee: wine-bugs at winehq.org
          Reporter: isakov-sl at bk.ru
      Distribution: ---

File /dlls/krnl386.exe16/int2f.c
Lines 1026-1034

           if (!driver_request) {
               /* FIXME - to be deleted ?? */
               ERR("ES:BX==0 ! SEGFAULT ?\n");
               ERR("-->BX=0x%04x, ES=0x%04x, DS=0x%04x, CX=0x%04x\n",
                   BX_reg(context), context->SegEs, context->SegDs,
CX_reg(context));
               driver_request[4] |= 0x80;
               driver_request[3] = 5;  /* bad request length */
               return;
           }

If  driver_request == NULL then driver_request[4] will be NULL pointer
dereferencing.

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