[prev in list] [next in list] [prev in thread] [next in thread]
List: wine-devel
Subject: [PATCH] ntdll: Only set owned bits in RTL_BITMAP
From: janisozaur () gmail ! com
Date: 2018-06-30 20:22:15
Message-ID: 20180630202215.4789-1-janisozaur+git () gmail ! com
[Download RAW message or body]
From: Michał Janiszewski <janisozaur@gmail.com>
Signed-off-by: Michał Janiszewski <janisozaur@gmail.com>
---
dlls/ntdll/rtlbitmap.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/dlls/ntdll/rtlbitmap.c b/dlls/ntdll/rtlbitmap.c
index 318f6fcbd4..c3e9385ec0 100644
--- a/dlls/ntdll/rtlbitmap.c
+++ b/dlls/ntdll/rtlbitmap.c
@@ -157,7 +157,8 @@ VOID WINAPI RtlSetBits(PRTL_BITMAP lpBits, ULONG ulStart, ULONG ulCount)
USHORT initialWord = NTDLL_maskBits[ulCount] << (ulStart & 7);
*lpOut++ |= (initialWord & 0xff);
- *lpOut |= (initialWord >> 8);
+ if (lpOut < ((BYTE *)lpBits->Buffer) + (lpBits->SizeOfBitMap / 8))
+ *lpOut |= (initialWord >> 8);
return;
}
}
@@ -218,7 +219,8 @@ VOID WINAPI RtlClearBits(PRTL_BITMAP lpBits, ULONG ulStart, ULONG ulCount)
USHORT initialWord = ~(NTDLL_maskBits[ulCount] << (ulStart & 7));
*lpOut++ &= (initialWord & 0xff);
- *lpOut &= (initialWord >> 8);
+ if (lpOut < ((BYTE *)lpBits->Buffer) + (lpBits->SizeOfBitMap / 8))
+ *lpOut &= (initialWord >> 8);
return;
}
}
--
2.17.1
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic