chore: fix lint errors

Signed-off-by: Matt Leon <mattleon@google.com>

Author: leonm1

Makefile

@@ -1,5 +1,5 @@
 goimports := golang.org/x/tools/cmd/goimports@v0.21.0
-golangci_lint := github.com/golangci/golangci-lint/cmd/golangci-lint@v1.59.0
+golangci_lint := github.com/golangci/golangci-lint/cmd/golangci-lint@v1.62.2
 
 
 .PHONY: build.example

examples/helloworld/main.go

@@ -50,8 +50,6 @@ type helloWorld struct {
 
 // OnPluginStart implements types.PluginContext.
 func (ctx *helloWorld) OnPluginStart(pluginConfigurationSize int) types.OnPluginStartStatus {
-	rand.Seed(time.Now().UnixNano())
-
 	proxywasm.LogInfo("OnPluginStart from Go!")
 	if err := proxywasm.SetTickPeriodMilliSeconds(tickMilliseconds); err != nil {
 		proxywasm.LogCriticalf("failed to set tick period: %v", err)

proxywasm/internal/abi_callback_l4.go

@@ -33,10 +33,6 @@ func proxyOnNewConnection(contextID uint32) types.Action {
 	return ctx.OnNewConnection()
 }
 
-func proxyOnDownstreamData_exp(contextID uint32, dataSize int32, endOfStream int32) types.Action {
-	return proxyOnDownstreamData(contextID, dataSize, endOfStream != 0)
-}
-
 //go:wasmexport proxy_on_downstream_data
 func proxyOnDownstreamData(contextID uint32, dataSize int32, endOfStream bool) types.Action {
 	if recordTiming {

proxywasm/proxytest/wasmwrapper.go

@@ -18,7 +18,6 @@ import (
 	"context"
 	"io"
 	"os"
-	"reflect"
 	"unsafe"
 
 	"github.com/tetratelabs/wazero"
@@ -288,11 +287,7 @@ func copyBytesToWasm(ctx context.Context, mod api.Module, hostPtr *byte, size in
 	if size == 0 {
 		return
 	}
-	var hostSlice []byte
-	hdr := (*reflect.SliceHeader)(unsafe.Pointer(&hostSlice))
-	hdr.Data = uintptr(unsafe.Pointer(hostPtr))
-	hdr.Cap = int(size)
-	hdr.Len = int(size)
+	hostSlice := unsafe.Slice(hostPtr, size)
 
 	alloc := mod.ExportedFunction("proxy_on_memory_allocate")
 	res, err := alloc.Call(ctx, uint64(size))