From: Thomas Faber <thomas.faber@reactos.org>
Date: Sun, 3 Jul 2016 08:22:43 +0000 (+0000)
Subject: [NTOS:OB]
X-Git-Tag: ReactOS-0.4.2~228
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=869afd10104c935e4d137e036779d3f0eb2d97b0

[NTOS:OB]
- Use SEH to access the link target buffer in NtQuerySymbolicLinkObject
CORE-11509

svn path=/trunk/; revision=71769
---

diff --git a/reactos/ntoskrnl/ob/oblink.c b/reactos/ntoskrnl/ob/oblink.c
index c94f85029b3..6a4eac8bd2d 100644
--- a/reactos/ntoskrnl/ob/oblink.c
+++ b/reactos/ntoskrnl/ob/oblink.c
@@ -603,9 +603,18 @@ NtCreateSymbolicLinkObject(OUT PHANDLE LinkHandle,
         }
 
         /* Copy it */
-        RtlCopyMemory(SymbolicLink->LinkTarget.Buffer,
-                      CapturedLinkTarget.Buffer,
-                      CapturedLinkTarget.MaximumLength);
+        _SEH2_TRY
+        {
+            RtlCopyMemory(SymbolicLink->LinkTarget.Buffer,
+                          CapturedLinkTarget.Buffer,
+                          CapturedLinkTarget.MaximumLength);
+        }
+        _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+        {
+            ObDereferenceObject(SymbolicLink);
+            _SEH2_YIELD(return _SEH2_GetExceptionCode());
+        }
+        _SEH2_END;
 
         /* Initialize the remaining name, dos drive index and target object */
         SymbolicLink->LinkTargetObject = NULL;