[PATCH] [Kernel]: resource browsing
Eric Pouech
eric.pouech at wanadoo.fr
Wed Mar 29 13:23:18 CST 2006
- try to be a bit more strict when checking for resource
mapping in exception handler (and prevent some
exceptions while in exception handler)
A+
---
dlls/kernel/except.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/dlls/kernel/except.c b/dlls/kernel/except.c
index 1c97a2e..95c5ce9 100644
--- a/dlls/kernel/except.c
+++ b/dlls/kernel/except.c
@@ -403,7 +403,7 @@ inline static BOOL check_resource_write(
if (!rec->ExceptionInformation[0]) return FALSE; /* not a write access */
addr = (void *)rec->ExceptionInformation[1];
if (!VirtualQuery( addr, &info, sizeof(info) )) return FALSE;
- if (info.State == MEM_FREE) return FALSE;
+ if (info.State == MEM_FREE || !(info.Type & MEM_IMAGE)) return FALSE;
if (!(rsrc = RtlImageDirectoryEntryToData( (HMODULE)info.AllocationBase, TRUE,
IMAGE_DIRECTORY_ENTRY_RESOURCE, &size )))
return FALSE;
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