sys: driver.inf: PnpLockdown=1

Some third party filters send us security descriptors in absolute rather
than self-relative format. Handle this case by converting them to self-
relative format ourselves.

Changelog.md

@@ -1,6 +1,26 @@
 # Changelog
 
 
+## v2.1 (2025)
+
+- [FIX] Fixes a compatibility problem with certain AntiVirus products (e.g. Trend Micro).
+
+- [FIX] Fixes a couple of rare BSODs on recent versions of Windows 11. See commits a482183, a2cd697 for details.
+
+- [FIX] Fixes a rare problem when using `NtCreateFile` to perform "relative" opens on a network drive (see GitHub issue #561).
+
+- [FIX] Fixes a racing issue with two processes competing to start the FSD discovered during testing.
+
+
+## v2.1B2 (2024 Beta2)
+
+- [FIX] Fixes a rare BSOD on recent versions of Windows. See commit a482183 for details.
+
+- [FIX] Fixes a rare problem when using `NtCreateFile` to perform "relative" opens on a network drive (see GitHub issue #561).
+
+- [FIX] Fixes a racing issue with two processes competing to start the FSD discovered during testing.
+
+
 ## v2.1B1 (2024 Beta1)
 
 - [FIX] Fixes a rare BSOD on recent versions of Windows. See commit a482183 for details.

Contributors.asciidoc

@@ -67,6 +67,7 @@ CONTRIBUTOR LIST
 |John Oberschelp                                                |john at oberschelp.net
 |John Tyner                                                     |jtyner at gmail.com
 |Konstantinos Karakostas                                        |noiredev at protonmail.com
+|Naoki Ikeguchi                                                 |me at s6n.jp
 |Paweł Wegner (Google LLC, https://google.com)                  |lemourin at google.com
 |Pedro Frejo (Arpa System, https://arpasystem.com)              |pedro.frejo at arpasystem.com
 |Ronny Chan                                                     |ronny at ronnychan.ca

build/VStudio/build.common.props

@@ -3,7 +3,7 @@
     <Import Project="$(MsbuildThisFileDirectory)\build.version.props" />
     <ItemDefinitionGroup>
         <ClCompile>
-            <PreprocessorDefinitions>NTDDI_VERSION=0x06010000;_WIN32_WINNT=0x0601;MyProductName=$(MyProductName);MyProductFileName=$(MyProductFileName);MyDescription=$(MyDescription);MyCompanyName=$(MyCompanyName);MyCopyright=$(MyCopyright);MyProductVersion=$(MyProductVersion);MyProductStage=$(MyProductStage);MyVersion=$(MyVersion);MyVersionWithCommas=$(MyVersionWithCommas);MyFullVersion=$(MyFullVersion);MyFspFsctlDeviceClassGuid=$(MyFspFsctlDeviceClassGuid);MyFspFsvrtDeviceClassGuid=$(MyFspFsvrtDeviceClassGuid);MyFsctlRegisterPath=$(MyFsctlRegisterPath);MyNpRegisterPath=$(MyNpRegisterPath);MyEventLogRegisterPath=$(MyEventLogRegisterPath)</PreprocessorDefinitions>
+            <PreprocessorDefinitions>NTDDI_VERSION=$(MyNtddiVersion);_WIN32_WINNT=$(MyWin32Version);MyProductName=$(MyProductName);MyProductFileName=$(MyProductFileName);MyDescription=$(MyDescription);MyCompanyName=$(MyCompanyName);MyCopyright=$(MyCopyright);MyProductVersion=$(MyProductVersion);MyProductStage=$(MyProductStage);MyVersion=$(MyVersion);MyVersionWithCommas=$(MyVersionWithCommas);MyFullVersion=$(MyFullVersion);MyFspFsctlDeviceClassGuid=$(MyFspFsctlDeviceClassGuid);MyFspFsvrtDeviceClassGuid=$(MyFspFsvrtDeviceClassGuid);MyFsctlRegisterPath=$(MyFsctlRegisterPath);MyNpRegisterPath=$(MyNpRegisterPath);MyEventLogRegisterPath=$(MyEventLogRegisterPath)</PreprocessorDefinitions>
         </ClCompile>
         <ResourceCompile>
             <PreprocessorDefinitions>MyProductName=$(MyProductName);MyProductFileName=$(MyProductFileName);MyDescription=$(MyDescription);MyCompanyName=$(MyCompanyName);MyCopyright=$(MyCopyright);MyProductVersion=$(MyProductVersion);MyProductStage=$(MyProductStage);MyVersion=$(MyVersion);MyVersionWithCommas=$(MyVersionWithCommas);MyFullVersion=$(MyFullVersion);MyFspFsctlDeviceClassGuid=$(MyFspFsctlDeviceClassGuid);MyFspFsvrtDeviceClassGuid=$(MyFspFsvrtDeviceClassGuid);MyFsctlRegisterPath=$(MyFsctlRegisterPath);MyNpRegisterPath=$(MyNpRegisterPath);MyEventLogRegisterPath=$(MyEventLogRegisterPath)</PreprocessorDefinitions>

build/VStudio/build.version.props

@@ -20,8 +20,8 @@
 
         <MyCanonicalVersion>2.1</MyCanonicalVersion>
 
-        <MyProductVersion>2024 Beta1</MyProductVersion>
+        <MyProductVersion>2025</MyProductVersion>
-        <MyProductStage>Beta</MyProductStage>
+        <MyProductStage>Gold</MyProductStage>
 
         <MyCrossCert>DigiCertGlobalG3CodeSigningECCSHA3842021CA1.cer</MyCrossCert>
         <MyCertIssuer>DigiCert</MyCertIssuer>
@@ -72,5 +72,22 @@
         <MyFsctlRegisterPath>"."</MyFsctlRegisterPath>
         <MyNpRegisterPath>"."</MyNpRegisterPath>
         <MyEventLogRegisterPath>"."</MyEventLogRegisterPath>
+
+        <!--
+            Target SDK/WDK version
+
+            For VS2019 builds (supports Win7/Win8/Win10+ x86/x64/a64):
+                MyTargetPlatformVersion = 10.0.19041.0
+                MyNtddiVersion = 0x06010000
+                MyWin32Version = 0x0601
+
+            For latest SDK/WDK builds (supports Win10+ x64/a64):
+                MyTargetPlatformVersion = $(LatestTargetPlatformVersion)
+                MyNtddiVersion = 0x0A000006
+                MyWin32Version = 0x0A00
+        -->
+        <MyTargetPlatformVersion>10.0.19041.0</MyTargetPlatformVersion>
+        <MyNtddiVersion>0x06010000</MyNtddiVersion>
+        <MyWin32Version>0x0601</MyWin32Version>
     </PropertyGroup>
 </Project>

build/VStudio/installer/CustomActions/CustomActions.cpp

@@ -1,7 +1,7 @@
 /**
  * @file CustomActions.cpp
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

build/VStudio/installer/CustomActions/CustomActions.vcxproj

@@ -15,7 +15,7 @@
     <ProjectGuid>{95C223E6-B5F1-4FD0-9376-41CDBC824445}</ProjectGuid>
     <RootNamespace>CustomActions</RootNamespace>
     <Keyword>Win32Proj</Keyword>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(MyTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">

build/VStudio/testing/fsbench.vcxproj

@@ -31,7 +31,7 @@
     <ProjectGuid>{C4E1E9E5-0959-488E-8C6A-C327CC81BEFB}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>fsbench</RootNamespace>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(MyTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">

build/VStudio/testing/fscrash.vcxproj

@@ -31,7 +31,7 @@
     <ProjectGuid>{10757011-749D-4954-873B-AE38D8145472}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>fscrash</RootNamespace>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(MyTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">

build/VStudio/testing/memfs.vcxproj

@@ -31,7 +31,7 @@
     <ProjectGuid>{AA7190E8-877F-4827-8CDD-E0D85F83C8C1}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>memfs</RootNamespace>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(MyTargetPlatformVersion)</WindowsTargetPlatformVersion>
     <ProjectName>memfs</ProjectName>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />

build/VStudio/testing/winfsp-tests.vcxproj

@@ -31,7 +31,7 @@
     <ProjectGuid>{262DF8CC-E7A8-4460-A22C-683CBA322C32}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>winfsptests</RootNamespace>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(MyTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">

build/VStudio/tools/fsptool.vcxproj

@@ -31,7 +31,7 @@
     <ProjectGuid>{1E997BEC-1642-4A5C-B252-852DA094E11E}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>fsptool</RootNamespace>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(MyTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">

build/VStudio/tools/launchctl.vcxproj

@@ -31,7 +31,7 @@
     <ProjectGuid>{264A5D09-126F-4760-A3F1-4B3B95C925AA}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>launchctl</RootNamespace>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(MyTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">

build/VStudio/tools/launcher.vcxproj

@@ -31,7 +31,7 @@
     <ProjectGuid>{6CDF9411-B852-4EAC-822D-8F930675F17B}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>launcher</RootNamespace>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(MyTargetPlatformVersion)</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">

build/VStudio/winfsp_dll.vcxproj

@@ -163,7 +163,7 @@ copy /b $(OutDir)fuse3-$(MyProductFileArch).pc + %(FullPath) $(OutDir)fuse3-$(My
     <ProjectGuid>{4A7C0B21-9E10-4C81-92DE-1493EFCF24EB}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>winfspdll</RootNamespace>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(MyTargetPlatformVersion)</WindowsTargetPlatformVersion>
     <ProjectName>winfsp.dll</ProjectName>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />

build/VStudio/winfsp_sys.vcxproj

@@ -35,7 +35,7 @@
     <Configuration>Debug</Configuration>
     <Platform Condition="'$(Platform)' == ''">Win32</Platform>
     <RootNamespace>winfsp</RootNamespace>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>$(MyTargetPlatformVersion)</WindowsTargetPlatformVersion>
     <ProjectName>winfsp.sys</ProjectName>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />

ext/tlib/callstack.c

@@ -1,7 +1,7 @@
 /**
  * @file tlib/callstack.c
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 #include <tlib/callstack.h>

ext/tlib/callstack.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/callstack.h
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 #ifndef TLIB_CALLSTACK_H_INCLUDED

ext/tlib/injected/allfunc.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injected/allfunc.h
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 #ifndef TLIB_INJECTED_ALLFUNC_H_INCLUDED

ext/tlib/injected/curlfunc.c

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injected/curlfunc.c
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 #include <tlib/injected/curlfunc.h>

ext/tlib/injected/curlfunc.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injected/curlfunc.h
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 #ifndef TLIB_INJECTED_CURLFUNC_H_INCLUDED

ext/tlib/injected/stdfunc.c

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injected/stdfunc.c
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 #include <tlib/injected/stdfunc.h>

ext/tlib/injected/stdfunc.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injected/stdfunc.h
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 #ifndef TLIB_INJECTED_STDFUNC_H_INCLUDED

ext/tlib/injection.c

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injection.c
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 #include <tlib/injection.h>

ext/tlib/injection.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/injection.h
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 /* NOTE: This header may usefully be included multiple times.

ext/tlib/testsuite.c

@@ -1,7 +1,7 @@
 /**
  * @file tlib/testsuite.c
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 #include <tlib/testsuite.h>

ext/tlib/testsuite.h

@@ -1,7 +1,7 @@
 /**
  * @file tlib/testsuite.h
  *
- * @copyright 2014-2024 Bill Zissimopoulos
+ * @copyright 2014-2025 Bill Zissimopoulos
  */
 
 #ifndef TLIB_TESTSUITE_H_INCLUDED

inc/fuse/fuse.h

@@ -6,7 +6,7 @@
  *     FUSE: Filesystem in Userspace
  *     Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/fuse/fuse_common.h

@@ -6,7 +6,7 @@
  *     FUSE: Filesystem in Userspace
  *     Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/fuse/fuse_opt.h

@@ -6,7 +6,7 @@
  *     FUSE: Filesystem in Userspace
  *     Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/fuse/winfsp_fuse.h

@@ -2,7 +2,7 @@
  * @file fuse/winfsp_fuse.h
  * WinFsp FUSE compatible API.
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -27,6 +27,7 @@
 #include <stdint.h>
 #if !defined(WINFSP_DLL_INTERNAL)
 #include <stdlib.h>
+#include <string.h>
 #endif
 
 #ifdef __cplusplus

inc/fuse3/fuse.h

@@ -6,7 +6,7 @@
  *     FUSE: Filesystem in Userspace
  *     Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/fuse3/fuse_common.h

@@ -6,7 +6,7 @@
  *     FUSE: Filesystem in Userspace
  *     Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/fuse3/fuse_opt.h

@@ -2,7 +2,7 @@
  * @file fuse3/fuse_opt.h
  * WinFsp FUSE3 compatible API.
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/fuse3/winfsp_fuse.h

@@ -2,7 +2,7 @@
  * @file fuse3/winfsp_fuse.h
  * WinFsp FUSE3 compatible API.
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/winfsp/fsctl.h

@@ -1,7 +1,7 @@
 /**
  * @file winfsp/fsctl.h
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/winfsp/launch.h

@@ -5,7 +5,7 @@
  * In order to use the WinFsp Launch API a program must include <winfsp/launch.h>
  * and link with the winfsp_x64.dll (or winfsp_x86.dll) library.
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/winfsp/winfsp.h

@@ -5,7 +5,7 @@
  * In order to use the WinFsp API the user mode file system must include <winfsp/winfsp.h>
  * and link with the winfsp_x64.dll (or winfsp_x86.dll) library.
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

inc/winfsp/winfsp.hpp

@@ -2,7 +2,7 @@
  * @file winfsp/winfsp.hpp
  * WinFsp C++ Layer.
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/debug.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/debug.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/debuglog.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/debuglog.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/dirbuf.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/dirbuf.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/eventlog.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/eventlog.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fs.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fs.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fsctl.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fsctl.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fsop.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fsop.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse/fuse.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse/fuse_compat.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse_compat.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse/fuse_intf.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse_intf.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse/fuse_loop.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse_loop.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse/fuse_main.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse_main.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse/fuse_opt.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse_opt.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse/library.h

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/library.h
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse3/fuse2to3.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse3/fuse2to3.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse3/fuse3.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse3/fuse3.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse3/fuse3_compat.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse/fuse3_compat.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/fuse3/library.h

@@ -1,7 +1,7 @@
 /**
  * @file dll/fuse3/library.h
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/launch.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/launch.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/ldap.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/ldap.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/library.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/library.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/library.h

@@ -1,7 +1,7 @@
 /**
  * @file dll/library.h
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/mount.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/mount.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/np.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/np.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/ntstatus.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/ntstatus.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/path.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/path.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/security.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/security.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/service.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/service.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/sxs.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/sxs.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/util.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/util.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dll/wksid.c

@@ -1,7 +1,7 @@
 /**
  * @file dll/wksid.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dotnet/FileSystemBase+Const.cs

@@ -1,7 +1,7 @@
 /*
  * dotnet/FileSystemBase+Const.cs
  *
- * Copyright 2015-2024 Bill Zissimopoulos
+ * Copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dotnet/FileSystemBase.cs

@@ -1,7 +1,7 @@
 /*
  * dotnet/FileSystemBase.cs
  *
- * Copyright 2015-2024 Bill Zissimopoulos
+ * Copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dotnet/FileSystemHost.cs

@@ -1,7 +1,7 @@
 /*
  * dotnet/FileSystemHost.cs
  *
- * Copyright 2015-2024 Bill Zissimopoulos
+ * Copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dotnet/Interop.cs

@@ -1,7 +1,7 @@
 /*
  * dotnet/Interop.cs
  *
- * Copyright 2015-2024 Bill Zissimopoulos
+ * Copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/dotnet/Service.cs

@@ -1,7 +1,7 @@
 /*
  * dotnet/Service.cs
  *
- * Copyright 2015-2024 Bill Zissimopoulos
+ * Copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/fsptool/fsptool.c

@@ -1,7 +1,7 @@
 /**
  * @file fsptool/fsptool.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/launcher/launchctl.c

@@ -1,7 +1,7 @@
 /**
  * @file launcher/launchctl.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/launcher/launcher.c

@@ -1,7 +1,7 @@
 /**
  * @file launcher/launcher.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/launcher/ptrans.c

@@ -1,7 +1,7 @@
 /**
  * @file launcher/ptrans.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/shared/ku/config.h

@@ -4,7 +4,7 @@
  * Shared kernel/user configuration. This file is to be included by the
  * FSD and DLL components ONLY!
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/shared/ku/library.h

@@ -1,7 +1,7 @@
 /**
  * @file shared/ku/library.h
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/shared/ku/mountmgr.c

@@ -1,7 +1,7 @@
 /**
  * @file shared/ku/mountmgr.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/shared/ku/posix.c

@@ -14,7 +14,7 @@
  * [SNAME]
  *     https://www.cygwin.com/cygwin-ug-net/using-specialnames.html
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/shared/ku/uuid5.c

@@ -1,7 +1,7 @@
 /**
  * @file shared/ku/uuid5.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/shared/um/minimal.h

@@ -1,7 +1,7 @@
 /**
  * @file shared/um/minimal.h
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/callbacks.c

@@ -2,7 +2,7 @@
  * @file sys/callbacks.c
  * Fast I/O and resource acquisition callbacks.
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/cleanup.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/cleanup.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -242,8 +242,7 @@ static VOID FspFsvolCleanupRequestFini(FSP_FSCTL_TRANSACT_REQ *Request, PVOID Co
     FspFileNodeReleaseOwner(FileNode, Pgio, Request);
 
     FspFileNodeCleanupComplete(FileNode, FileObject, !!Request->Req.Cleanup.Delete);
-    if (!FileNode->IsDirectory)
+    FspFileNodeOplockCheck(FileNode, Irp);
-        FspFileNodeOplockCheck(FileNode, Irp);
     SetFlag(FileObject->Flags, FO_CLEANUP_COMPLETE);
 
     MainFileHandle = FileDesc->MainFileHandle;

src/sys/close.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/close.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -75,6 +75,9 @@ static NTSTATUS FspFsvolClose(
 
     ASSERT(FileNode == FileDesc->FileNode);
 
+    if (!FlagOn(FileObject->Flags, FO_CLEANUP_COMPLETE))
+        FspFileNodeOplockCheck(FileNode, Irp);
+
     /* create the user-mode file system request; MustSucceed because IRP_MJ_CLOSE cannot fail */
     FspIopCreateRequestMustSucceed(0, 0, 0, &Request);
     Request->Kind = FspFsctlTransactCloseKind;

src/sys/create.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/create.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.
@@ -298,6 +298,8 @@ static NTSTATUS FspFsvolCreateNoLock(
     ULONG CreateOptions = IrpSp->Parameters.Create.Options;
     USHORT FileAttributes = IrpSp->Parameters.Create.FileAttributes;
     PSECURITY_DESCRIPTOR SecurityDescriptor = AccessState->SecurityDescriptor;
+    BOOLEAN SecurityDescriptorRelative = 0 != SecurityDescriptor &&
+        BooleanFlagOn(((SECURITY_DESCRIPTOR *)SecurityDescriptor)->Control, SE_SELF_RELATIVE);
     ULONG SecurityDescriptorSize = 0;
     UINT64 AllocationSize = Irp->Overlay.AllocationSize.QuadPart;
     UINT64 AllocationUnit;
@@ -406,7 +408,10 @@ static NTSTATUS FspFsvolCreateNoLock(
         if (!RtlValidSecurityDescriptor(SecurityDescriptor))
             return STATUS_INVALID_PARAMETER;
 #endif
-        SecurityDescriptorSize = RtlLengthSecurityDescriptor(SecurityDescriptor);
+        if (SecurityDescriptorRelative)
+            SecurityDescriptorSize = RtlLengthSecurityDescriptor(SecurityDescriptor);
+        else
+            RtlAbsoluteToSelfRelativeSD(SecurityDescriptor, 0, &SecurityDescriptorSize);
     }
 
     /* align allocation size */
@@ -702,8 +707,18 @@ static NTSTATUS FspFsvolCreateNoLock(
 
     /* copy the security descriptor (if any) into the request */
     if (0 != SecurityDescriptorSize)
-        RtlCopyMemory(Request->Buffer + Request->Req.Create.SecurityDescriptor.Offset,
+    {
-            SecurityDescriptor, SecurityDescriptorSize);
+        if (SecurityDescriptorRelative)
+            RtlCopyMemory(
+                Request->Buffer + Request->Req.Create.SecurityDescriptor.Offset,
+                SecurityDescriptor,
+                SecurityDescriptorSize);
+        else
+            RtlAbsoluteToSelfRelativeSD(
+                SecurityDescriptor,
+                (PSECURITY_DESCRIPTOR)(Request->Buffer + Request->Req.Create.SecurityDescriptor.Offset),
+                &SecurityDescriptorSize);
+    }
 
     /* copy the extra buffer (if any) into the request */
     if (0 != ExtraBuffer)

src/sys/debug.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/debug.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/devctl.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/devctl.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/device.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/device.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/devtimer.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/devtimer.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/dirctl.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/dirctl.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/driver.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/driver.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/driver.h

@@ -1,7 +1,7 @@
 /**
  * @file sys/driver.h
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/driver.inf.in

@@ -2,6 +2,7 @@
 Signature = "$WINDOWS NT$"
 Class = Volume
 ClassGuid = {71a27cdd-812a-11d0-bec7-08002be2092f}
+PnpLockdown = 1
 CatalogFile = !CatalogFile!
 Provider = !Provider!
 

src/sys/ea.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/ea.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/file.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/file.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/fileinfo.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/fileinfo.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.

src/sys/flush.c

@@ -1,7 +1,7 @@
 /**
  * @file sys/flush.c
  *
- * @copyright 2015-2024 Bill Zissimopoulos
+ * @copyright 2015-2025 Bill Zissimopoulos
  */
 /*
  * This file is part of WinFsp.