ntdll: Fix memory corruption in RtlSetBits.

a8a97091 · Aleksey Bragin · Alexandre Julliard · e5ad41bc · a8a97091
Commit a8a97091 authored Dec 26, 2008 by Aleksey Bragin Committed by Alexandre Julliard Dec 27, 2008
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rtlbitmap.c dlls/ntdll/rtlbitmap.c +2 -1

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--- a/dlls/ntdll/rtlbitmap.c
+++ b/dlls/ntdll/rtlbitmap.c
@@ -170,7 +170,8 @@ VOID WINAPI RtlSetBits(PRTL_BITMAP lpBits, ULONG ulStart, ULONG ulCount)
  }

  /* Set remaining bits, if any */
-  *lpOut |= NTDLL_maskBits[ulCount & 0x7];
+  if (ulCount & 0x7)
+    *lpOut |= NTDLL_maskBits[ulCount & 0x7];
 }

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