ntdll: Avoid crashing on an empty resource directory.

5b0fcb06 · Alexandre Julliard · b9251bcd · 5b0fcb06
Commit 5b0fcb06 authored Sep 24, 2009 by Alexandre Julliard
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resource.c dlls/ntdll/resource.c +1 -0

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--- a/dlls/ntdll/resource.c
+++ b/dlls/ntdll/resource.c
@@ -186,6 +186,7 @@ static NTSTATUS find_entry( HMODULE hmod, const LDR_RESOURCE_INFO *info,

    root = RtlImageDirectoryEntryToData( hmod, 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;