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- Fixed the setting of the page protection for ntoskrnl.

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The image is loaded without the size of the bss section.
  Pages after the bss section may not be changed.

svn path=/trunk/; revision=11182
This commit is contained in:
Hartmut Birr 2004-10-04 17:27:13 +00:00
parent a573c6ea80
commit 49871ae71b
1 changed files with 9 additions and 2 deletions
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11
reactos/ntoskrnl/ldr/loader.c
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@ -1,4 +1,4 @@
/* $Id: loader.c,v 1.146 2004/09/28 20:16:24 hbirr Exp $ /* $Id: loader.c,v 1.147 2004/10/04 17:27:13 hbirr Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -666,7 +666,7 @@ LdrLookupPageProtection(PVOID PageStart,
ULONG Length; ULONG Length;
PVOID BaseAddress; PVOID BaseAddress;
for (Idx = 0; Idx < PEFileHeader->NumberOfSections; Idx++) for (Idx = 0; Idx < PEFileHeader->NumberOfSections && (!Write || !Execute); Idx++)
{ {
Characteristics = PESectionHeaders[Idx].Characteristics; Characteristics = PESectionHeaders[Idx].Characteristics;
if (!(Characteristics & IMAGE_SECTION_NOLOAD)) if (!(Characteristics & IMAGE_SECTION_NOLOAD))
@ -1111,6 +1111,13 @@ LdrSafePEProcessModule(PVOID ModuleLoadBase,
MmSetPageProtect(NULL, PageAddress, Protect); MmSetPageProtect(NULL, PageAddress, Protect);
PageAddress = (PVOID)((ULONG_PTR)PageAddress + PAGE_SIZE); PageAddress = (PVOID)((ULONG_PTR)PageAddress + PAGE_SIZE);
} }
if (DriverBase == ModuleLoadBase &&
Characteristics & IMAGE_SECTION_CHAR_BSS)
{
/* For ntoskrnl, we must stop after the bss section */
break;
}
} }
return DriverBase; return DriverBase;