update go-ffmpreg to v0.2.5 (pulls in latest tetratelabs/wazero) (#3203)

vendor/github.com/tetratelabs/wazero/internal/wasm/binary/value.go

@@ -54,7 +54,6 @@ func decodeUTF8(r *bytes.Reader, contextFormat string, contextArgs ...interface{
 		return "", 0, fmt.Errorf("%s is not valid UTF-8", fmt.Sprintf(contextFormat, contextArgs...))
 	}
 
-	// TODO: use unsafe.String after flooring Go 1.20.
-	ret := *(*string)(unsafe.Pointer(&buf))
+	ret := unsafe.String(&buf[0], int(size))
 	return ret, size + uint32(sizeOfSize), nil
 }

vendor/github.com/tetratelabs/wazero/internal/wasm/func_validation.go

@@ -451,14 +451,14 @@ func (m *Module) validateFunctionWithMaxStackValues(
 				return fmt.Errorf("read immediate: %w", err)
 			}
 
-			list := make([]uint32, nl)
+			sts.ls = sts.ls[:0]
 			for i := uint32(0); i < nl; i++ {
 				l, n, err := leb128.DecodeUint32(br)
 				if err != nil {
 					return fmt.Errorf("read immediate: %w", err)
 				}
 				num += n
-				list[i] = l
+				sts.ls = append(sts.ls, l)
 			}
 			ln, n, err := leb128.DecodeUint32(br)
 			if err != nil {
@@ -511,7 +511,7 @@ func (m *Module) validateFunctionWithMaxStackValues(
 				}
 			}
 
-			for _, l := range list {
+			for _, l := range sts.ls {
 				if int(l) >= len(controlBlockStack.stack) {
 					return fmt.Errorf("invalid l param given for %s", OpcodeBrTableName)
 				}
@@ -2003,6 +2003,8 @@ var vecSplatValueTypes = [...]ValueType{
 type stacks struct {
 	vs valueTypeStack
 	cs controlBlockStack
+	// ls is the label slice that is reused for each br_table instruction.
+	ls []uint32
 }
 
 func (sts *stacks) reset(functionType *FunctionType) {
@@ -2012,6 +2014,7 @@ func (sts *stacks) reset(functionType *FunctionType) {
 	sts.vs.maximumStackPointer = 0
 	sts.cs.stack = sts.cs.stack[:0]
 	sts.cs.stack = append(sts.cs.stack, controlBlock{blockType: functionType})
+	sts.ls = sts.ls[:0]
 }
 
 type controlBlockStack struct {

vendor/github.com/tetratelabs/wazero/internal/wasm/memory.go

@@ -52,7 +52,8 @@ type MemoryInstance struct {
 	definition api.MemoryDefinition
 
 	// Mux is used in interpreter mode to prevent overlapping calls to atomic instructions,
-	// introduced with WebAssembly threads proposal.
+	// introduced with WebAssembly threads proposal, and in compiler mode to make memory modifications
+	// within Grow non-racy for the Go race detector.
 	Mux sync.Mutex
 
 	// waiters implements atomic wait and notify. It is implemented similarly to golang.org/x/sync/semaphore,
@@ -227,6 +228,11 @@ func MemoryPagesToBytesNum(pages uint32) (bytesNum uint64) {
 
 // Grow implements the same method as documented on api.Memory.
 func (m *MemoryInstance) Grow(delta uint32) (result uint32, ok bool) {
+	if m.Shared {
+		m.Mux.Lock()
+		defer m.Mux.Unlock()
+	}
+
 	currentPages := m.Pages()
 	if delta == 0 {
 		return currentPages, true
@@ -299,6 +305,7 @@ func PagesToUnitOfBytes(pages uint32) string {
 
 // Uses atomic write to update the length of a slice.
 func atomicStoreLengthAndCap(slice *[]byte, length uintptr, cap uintptr) {
+	//nolint:staticcheck
 	slicePtr := (*reflect.SliceHeader)(unsafe.Pointer(slice))
 	capPtr := (*uintptr)(unsafe.Pointer(&slicePtr.Cap))
 	atomic.StoreUintptr(capPtr, cap)
@@ -308,6 +315,7 @@ func atomicStoreLengthAndCap(slice *[]byte, length uintptr, cap uintptr) {
 
 // Uses atomic write to update the length of a slice.
 func atomicStoreLength(slice *[]byte, length uintptr) {
+	//nolint:staticcheck
 	slicePtr := (*reflect.SliceHeader)(unsafe.Pointer(slice))
 	lenPtr := (*uintptr)(unsafe.Pointer(&slicePtr.Len))
 	atomic.StoreUintptr(lenPtr, length)

vendor/github.com/tetratelabs/wazero/internal/wasm/store.go

@@ -3,6 +3,7 @@ package wasm
 import (
 	"context"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"sync"
 	"sync/atomic"
@@ -352,7 +353,7 @@ func (s *Store) instantiate(
 		return nil, err
 	}
 
-	if err = m.resolveImports(module); err != nil {
+	if err = m.resolveImports(ctx, module); err != nil {
 		return nil, err
 	}
 
@@ -410,12 +411,22 @@ func (s *Store) instantiate(
 	return
 }
 
-func (m *ModuleInstance) resolveImports(module *Module) (err error) {
+func (m *ModuleInstance) resolveImports(ctx context.Context, module *Module) (err error) {
+	// Check if ctx contains an ImportResolver.
+	resolveImport, _ := ctx.Value(expctxkeys.ImportResolverKey{}).(experimental.ImportResolver)
+
 	for moduleName, imports := range module.ImportPerModule {
 		var importedModule *ModuleInstance
-		importedModule, err = m.s.module(moduleName)
-		if err != nil {
-			return err
+		if resolveImport != nil {
+			if v := resolveImport(moduleName); v != nil {
+				importedModule = v.(*ModuleInstance)
+			}
+		}
+		if importedModule == nil {
+			importedModule, err = m.s.module(moduleName)
+			if err != nil {
+				return err
+			}
 		}
 
 		for _, i := range imports {
@@ -649,20 +660,20 @@ func (s *Store) GetFunctionTypeID(t *FunctionType) (FunctionTypeID, error) {
 }
 
 // CloseWithExitCode implements the same method as documented on wazero.Runtime.
-func (s *Store) CloseWithExitCode(ctx context.Context, exitCode uint32) (err error) {
+func (s *Store) CloseWithExitCode(ctx context.Context, exitCode uint32) error {
 	s.mux.Lock()
 	defer s.mux.Unlock()
 	// Close modules in reverse initialization order.
+	var errs []error
 	for m := s.moduleList; m != nil; m = m.next {
 		// If closing this module errs, proceed anyway to close the others.
-		if e := m.closeWithExitCode(ctx, exitCode); e != nil && err == nil {
-			// TODO: use multiple errors handling in Go 1.20.
-			err = e // first error
+		if err := m.closeWithExitCode(ctx, exitCode); err != nil {
+			errs = append(errs, err)
 		}
 	}
 	s.moduleList = nil
 	s.nameToModule = nil
 	s.nameToModuleCap = 0
 	s.typeIDs = nil
-	return
+	return errors.Join(errs...)
 }

vendor/github.com/tetratelabs/wazero/internal/wasm/store_module_list.go

@@ -3,8 +3,6 @@ package wasm
 import (
 	"errors"
 	"fmt"
-
-	"github.com/tetratelabs/wazero/api"
 )
 
 // deleteModule makes the moduleName available for instantiation again.
@@ -88,7 +86,7 @@ func (s *Store) registerModule(m *ModuleInstance) error {
 }
 
 // Module implements wazero.Runtime Module
-func (s *Store) Module(moduleName string) api.Module {
+func (s *Store) Module(moduleName string) *ModuleInstance {
 	m, err := s.module(moduleName)
 	if err != nil {
 		return nil