[tfaber] 63630: [RTL] - Apply Wine commit 5b0fcb06 (ntdll: Avoid crashing on an empty resource directory.) by Alexandre Julliard

Author: tfaber
Date: Sun Jun 22 18:44:21 2014
New Revision: 63630

URL: http://svn.reactos.org/svn/reactos?rev=63630&view=rev
Log:
[RTL]
- Apply Wine commit 5b0fcb06 (ntdll: Avoid crashing on an empty resource directory.) by Alexandre Julliard

Modified:
    trunk/reactos/dll/ntdll/rtl/libsupp.c
    trunk/reactos/ntoskrnl/rtl/libsupp.c

Modified: trunk/reactos/dll/ntdll/rtl/libsupp.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/ntdll/rtl/libsupp.c?rev...
==============================================================================
--- trunk/reactos/dll/ntdll/rtl/libsupp.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/ntdll/rtl/libsupp.c	[iso-8859-1] Sun Jun 22 18:44:21 2014
@@ -430,6 +430,7 @@

root = RtlImageDirectoryEntryToData( BaseAddress, TRUE, IMAGE_DIRECTORY_ENTRY_RESOURCE, &size );
     if (!root) return STATUS_RESOURCE_DATA_NOT_FOUND;
+    if (size < sizeof(*resdirptr)) return STATUS_RESOURCE_DATA_NOT_FOUND;
     resdirptr = root;

if (!level--) goto done;

Modified: trunk/reactos/ntoskrnl/rtl/libsupp.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/rtl/libsupp.c?rev=...
==============================================================================
--- trunk/reactos/ntoskrnl/rtl/libsupp.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/rtl/libsupp.c	[iso-8859-1] Sun Jun 22 18:44:21 2014
@@ -695,6 +695,7 @@

root = RtlImageDirectoryEntryToData( BaseAddress, TRUE, IMAGE_DIRECTORY_ENTRY_RESOURCE, &size );
     if (!root) return STATUS_RESOURCE_DATA_NOT_FOUND;
+    if (size < sizeof(*resdirptr)) return STATUS_RESOURCE_DATA_NOT_FOUND;
     resdirptr = root;

if (!level--) goto done;