update linter and fix lints (#284)

Signed-off-by: Hamza El-Saawy <hamzaelsaawy@microsoft.com>

.github/workflows/ci.yml

@@ -4,21 +4,26 @@ on:
   - pull_request
 
 env:
-  GO_VERSION: "1.17"
+  GO_VERSION: "oldstable"
+  GOTESTSUM_VERSION: "latest"
 
 jobs:
   lint:
     name: Lint
     runs-on: windows-2019
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout
-      - uses: actions/setup-go@v3
+        uses: actions/checkout@v3
+
+      - name: Install go
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ env.GO_VERSION }}
+
       - name: Run golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.50
+          version: v1.52
           args: >-
             --verbose
             --timeout=5m
@@ -31,10 +36,14 @@ jobs:
     name: Go Generate
     runs-on: windows-2019
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout
-      - uses: actions/setup-go@v3
+        uses: actions/checkout@v3
+
+      - name: Install go
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ env.GO_VERSION }}
+
       - name: Run go generate
         shell: pwsh
         run: |
@@ -45,6 +54,7 @@ jobs:
             Write-Output "::error title=Go Generate::Error running go generate."
             exit $LASTEXITCODE
           }
+
       - name: Diff
         shell: pwsh
         run: |
@@ -66,11 +76,19 @@ jobs:
       matrix:
         os: [windows-2019, windows-2022, ubuntu-latest]
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout
-      - uses: actions/setup-go@v3
+        uses: actions/checkout@v3
+
+      - name: Install go
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ env.GO_VERSION }}
-      - run: go test -gcflags=all=-d=checkptr -v ./...
+
+      - name: Install gotestsum
+        run: go install gotest.tools/gotestsum@${{ env.GOTESTSUM_VERSION }}
+
+      - name: Test repo
+        run: gotestsum --format standard-verbose --debug -- -gcflags=all=-d=checkptr -v ./...
 
   build:
     name: Build Repo
@@ -78,10 +96,14 @@ jobs:
       - test
     runs-on: "windows-2019"
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout
-      - uses: actions/setup-go@v3
+        uses: actions/checkout@v3
+
+      - name: Install go
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ env.GO_VERSION }}
+
       - run: go build ./pkg/etw/sample/
       - run: go build ./tools/etw-provider-gen/
       - run: go build ./tools/mkwinsyscall/

.golangci.yml

@@ -35,6 +35,18 @@ issues:
       text: "^line-length-limit: "
       source: "^//(go:generate|sys) "
 
+    #TODO: remove after upgrading to go1.18
+    # ignore comment spacing for nolint and sys directives
+    - linters:
+        - revive
+      text: "^comment-spacings: no space between comment delimiter and comment text"
+      source: "//(cspell:|nolint:|sys |todo)"
+
+    # not on go 1.18 yet, so no any
+    - linters:
+        - revive
+      text: "^use-any: since GO 1.18 'interface{}' can be replaced by 'any'"
+
     # allow unjustified ignores of error checks in defer statements
     - linters:
         - nolintlint

hvsock.go

@@ -23,7 +23,7 @@ import (
 const afHVSock = 34 // AF_HYPERV
 
 // Well known Service and VM IDs
-//https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/user-guide/make-integration-service#vmid-wildcards
+// https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/user-guide/make-integration-service#vmid-wildcards
 
 // HvsockGUIDWildcard is the wildcard VmId for accepting connections from all partitions.
 func HvsockGUIDWildcard() guid.GUID { // 00000000-0000-0000-0000-000000000000
@@ -31,7 +31,7 @@ func HvsockGUIDWildcard() guid.GUID { // 00000000-0000-0000-0000-000000000000
 }
 
 // HvsockGUIDBroadcast is the wildcard VmId for broadcasting sends to all partitions.
-func HvsockGUIDBroadcast() guid.GUID { //ffffffff-ffff-ffff-ffff-ffffffffffff
+func HvsockGUIDBroadcast() guid.GUID { // ffffffff-ffff-ffff-ffff-ffffffffffff
 	return guid.GUID{
 		Data1: 0xffffffff,
 		Data2: 0xffff,
@@ -246,7 +246,7 @@ func (l *HvsockListener) Accept() (_ net.Conn, err error) {
 	var addrbuf [addrlen * 2]byte
 
 	var bytes uint32
-	err = syscall.AcceptEx(l.sock.handle, sock.handle, &addrbuf[0], 0 /*rxdatalen*/, addrlen, addrlen, &bytes, &c.o)
+	err = syscall.AcceptEx(l.sock.handle, sock.handle, &addrbuf[0], 0 /* rxdatalen */, addrlen, addrlen, &bytes, &c.o)
 	if _, err = l.sock.asyncIO(c, nil, bytes, err); err != nil {
 		return nil, l.opErr("accept", os.NewSyscallError("acceptex", err))
 	}

internal/socket/socket.go

@@ -100,8 +100,8 @@ func (f *runtimeFunc) Load() error {
 			(*byte)(unsafe.Pointer(&f.addr)),
 			uint32(unsafe.Sizeof(f.addr)),
 			&n,
-			nil, //overlapped
+			nil, // overlapped
-			0,   //completionRoutine
+			0,   // completionRoutine
 		)
 	})
 	return f.err

internal/stringbuffer/wstring.go

@@ -15,7 +15,7 @@ const MinWStringCap = 310
 // use *[]uint16 since []uint16 creates an extra allocation where the slice header
 // is copied to heap and then referenced via pointer in the interface header that sync.Pool
 // stores.
-var pathPool = sync.Pool{ //! if go1.18+ adds Pool[T], use that to store []uint16 directly
+var pathPool = sync.Pool{ // if go1.18+ adds Pool[T], use that to store []uint16 directly
 	New: func() interface{} {
 		b := make([]uint16, MinWStringCap)
 		return &b
@@ -108,7 +108,7 @@ func (b *WString) String() string {
 	// Using [windows.UTF16ToString] would require importing "golang.org/x/sys/windows"
 	// and would make this code Windows-only, which makes no sense.
 	// So copy UTF16ToString code into here.
-	//! If other windows-specific code is added, switch to [windows.UTF16ToString]
+	// If other windows-specific code is added, switch to [windows.UTF16ToString]
 
 	s := b.b
 	for i, v := range s {

pipe.go

@@ -176,7 +176,7 @@ func tryDialPipe(ctx context.Context, path *string, access fs.AccessMask) (sysca
 				nil, // security attributes
 				fs.OPEN_EXISTING,
 				fs.FILE_FLAG_OVERLAPPED|fs.SECURITY_SQOS_PRESENT|fs.SECURITY_ANONYMOUS,
-				0, //template file handle
+				0, // template file handle
 			)
 			h := syscall.Handle(wh)
 			if err == nil {

pkg/etw/eventdescriptor.go

@@ -47,8 +47,6 @@ const (
 )
 
 // EventDescriptor represents various metadata for an ETW event.
-//
-//nolint:structcheck // task is currently unused
 type eventDescriptor struct {
 	id      uint16
 	version uint8

pkg/security/grantvmgroupaccess.go

@@ -21,7 +21,6 @@ type (
 	trusteeForm         uint32
 	trusteeType         uint32
 
-	//nolint:structcheck // structcheck thinks fields are unused, but the are used to pass data to OS
 	explicitAccess struct {
 		accessPermissions accessMask
 		accessMode        accessMode
@@ -29,7 +28,6 @@ type (
 		trustee           trustee
 	}
 
-	//nolint:structcheck,unused // structcheck thinks fields are unused, but the are used to pass data to OS
 	trustee struct {
 		multipleTrustee          *trustee
 		multipleTrusteeOperation int32

wim/lzx/lzx.go

@@ -489,15 +489,14 @@ func (f *decompressor) readCompressedBlock(start, end uint16, hmain, hlength, ha
 			f.lru[0] = matchoffset
 		}
 
-		if matchoffset <= i && matchlen <= end-i {
+		if !(matchoffset <= i && matchlen <= end-i) {
-			copyend := i + matchlen
-			for ; i < copyend; i++ {
-				f.window[i] = f.window[i-matchoffset]
-			}
-		} else {
 			f.fail(errCorrupt)
 			break
 		}
+		copyend := i + matchlen
+		for ; i < copyend; i++ {
+			f.window[i] = f.window[i-matchoffset]
+		}
 	}
 	return int(i - start), f.err
 }