diff --git a/client/client_test.go b/client/client_test.go
index ab2e3d1ccfec..eba9faea8ca1 100644
--- a/client/client_test.go
+++ b/client/client_test.go
@@ -221,6 +221,7 @@ var allTests = []func(t *testing.T, sb integration.Sandbox){
 	testLayerLimitOnMounts,
 	testFrontendVerifyPlatforms,
 	testRunValidExitCodes,
+	testFileOpSymlink,
 }
 
 func TestIntegration(t *testing.T) {
@@ -2409,6 +2410,93 @@ func testOCILayoutPlatformSource(t *testing.T, sb integration.Sandbox) {
 	}
 }
 
+func testFileOpSymlink(t *testing.T, sb integration.Sandbox) {
+	requiresLinux(t)
+
+	const (
+		fileOwner = 7777
+		fileGroup = 8888
+		linkOwner = 1111
+		linkGroup = 2222
+
+		dummyTimestamp = 42
+	)
+
+	dummyTime := time.Unix(dummyTimestamp, 0)
+
+	c, err := New(sb.Context(), sb.Address())
+	require.NoError(t, err)
+	defer c.Close()
+
+	st := llb.Scratch().
+		File(llb.Mkdir("/foo", 0700).Mkfile("bar", 0600, []byte("contents"), llb.ChownOpt{
+			User: &llb.UserOpt{
+				UID: fileOwner,
+			},
+			Group: &llb.UserOpt{
+				UID: fileGroup,
+			},
+		})).
+		File(llb.Symlink("bar", "/baz", llb.WithCreatedTime(dummyTime), llb.ChownOpt{
+			User: &llb.UserOpt{
+				UID: linkOwner,
+			},
+			Group: &llb.UserOpt{
+				UID: linkGroup,
+			},
+		}))
+
+	def, err := st.Marshal(sb.Context())
+	require.NoError(t, err)
+
+	destDir := t.TempDir()
+
+	out := filepath.Join(destDir, "out.tar")
+	outW, err := os.Create(out)
+	require.NoError(t, err)
+	defer outW.Close()
+
+	_, err = c.Solve(sb.Context(), def, SolveOpt{
+		Exports: []ExportEntry{
+			{
+				Type:   ExporterTar,
+				Output: fixedWriteCloser(outW),
+			},
+		},
+	}, nil)
+	require.NoError(t, err)
+
+	dt, err := os.ReadFile(out)
+	require.NoError(t, err)
+	m, err := testutil.ReadTarToMap(dt, false)
+	require.NoError(t, err)
+
+	entry, ok := m["bar"]
+	require.True(t, ok)
+
+	dt = entry.Data
+	header := entry.Header
+	require.NoError(t, err)
+
+	require.Equal(t, []byte("contents"), dt)
+	require.Equal(t, fileOwner, header.Uid)
+	require.Equal(t, fileGroup, header.Gid)
+
+	entry, ok = m["baz"]
+	require.Equal(t, true, ok)
+
+	header = entry.Header
+	// ensure it is a symlink to the proper location
+	require.Equal(t, header.Linkname, "bar")
+
+	// make sure it was chowned properly
+	require.Equal(t, linkOwner, header.Uid)
+	require.Equal(t, linkGroup, header.Gid)
+
+	// ensure it was timestamped properly
+	require.Equal(t, dummyTime, header.ModTime)
+}
+
 func testFileOpRmWildcard(t *testing.T, sb integration.Sandbox) {
 	requiresLinux(t)
 	c, err := New(sb.Context(), sb.Address())
diff --git a/client/llb/fileop.go b/client/llb/fileop.go
index eabbc0f15847..80b66f160b3a 100644
--- a/client/llb/fileop.go
+++ b/client/llb/fileop.go
@@ -85,6 +85,13 @@ func (fa *FileAction) Mkfile(p string, m os.FileMode, dt []byte, opt ...MkfileOp
 	return a
 }
 
+// Symlink creates a symlink at `newpath` that points to `oldpath`
+func (fa *FileAction) Symlink(oldpath, newpath string, opt ...SymlinkOption) *FileAction {
+	a := Symlink(oldpath, newpath, opt...)
+	a.prev = fa
+	return a
+}
+
 func (fa *FileAction) Rm(p string, opt ...RmOption) *FileAction {
 	a := Rm(p, opt...)
 	a.prev = fa
@@ -193,6 +200,7 @@ type ChownOption interface {
 	MkdirOption
 	MkfileOption
 	CopyOption
+	SymlinkOption
 }
 
 type mkdirOptionFunc func(*MkdirInfo)
@@ -290,6 +298,10 @@ func (co ChownOpt) SetCopyOption(mi *CopyInfo) {
 	mi.ChownOpt = &co
 }
 
+func (co ChownOpt) SetSymlinkOption(si *SymlinkInfo) {
+	si.ChownOpt = &co
+}
+
 func (co *ChownOpt) marshal(base pb.InputIndex) *pb.ChownOpt {
 	if co == nil {
 		return nil
@@ -337,6 +349,57 @@ func Mkfile(p string, m os.FileMode, dt []byte, opts ...MkfileOption) *FileActio
 	}
 }
 
+// SymlinkInfo is the modifiable options used to create symlinks
+type SymlinkInfo struct {
+	ChownOpt    *ChownOpt
+	CreatedTime *time.Time
+}
+
+func (si *SymlinkInfo) SetSymlinkOption(si2 *SymlinkInfo) {
+	*si2 = *si
+}
+
+type SymlinkOption interface {
+	SetSymlinkOption(*SymlinkInfo)
+}
+
+// Symlink creates a symlink at `newpath` that points to `oldpath`
+func Symlink(oldpath, newpath string, opts ...SymlinkOption) *FileAction {
+	var si SymlinkInfo
+	for _, o := range opts {
+		o.SetSymlinkOption(&si)
+	}
+
+	return &FileAction{
+		action: &fileActionSymlink{
+			oldpath: oldpath,
+			newpath: newpath,
+			info:    si,
+		},
+	}
+}
+
+type fileActionSymlink struct {
+	oldpath string
+	newpath string
+	info    SymlinkInfo
+}
+
+func (s *fileActionSymlink) addCaps(f *FileOp) {
+	addCap(&f.constraints, pb.CapFileSymlinkCreate)
+}
+
+func (s *fileActionSymlink) toProtoAction(_ context.Context, _ string, base pb.InputIndex) (pb.IsFileAction, error) {
+	return &pb.FileAction_Symlink{
+		Symlink: &pb.FileActionSymlink{
+			Oldpath:   s.oldpath,
+			Newpath:   s.newpath,
+			Owner:     s.info.ChownOpt.marshal(base),
+			Timestamp: marshalTime(s.info.CreatedTime),
+		},
+	}, nil
+}
+
 type MkfileOption interface {
 	SetMkfileOption(*MkfileInfo)
 }
@@ -606,6 +669,10 @@ func (c CreatedTime) SetMkfileOption(mi *MkfileInfo) {
 	mi.CreatedTime = (*time.Time)(&c)
 }
 
+func (c CreatedTime) SetSymlinkOption(si *SymlinkInfo) {
+	si.CreatedTime = (*time.Time)(&c)
+}
+
 func (c CreatedTime) SetCopyOption(mi *CopyInfo) {
 	mi.CreatedTime = (*time.Time)(&c)
 }
diff --git a/client/llb/fileop_test.go b/client/llb/fileop_test.go
index ac0acc264863..3cc3d405f062 100644
--- a/client/llb/fileop_test.go
+++ b/client/llb/fileop_test.go
@@ -178,6 +178,41 @@ func TestFileMkfile(t *testing.T) {
 	require.Equal(t, int64(-1), mkdir.Timestamp)
 }
 
+func TestFileSymlink(t *testing.T) {
+	t.Parallel()
+
+	st := Scratch().
+		File(Mkfile("/foo", 0700, []byte("data"))).
+		File(Symlink("foo", "/bar"))
+	def, err := st.Marshal(context.TODO())
+
+	require.NoError(t, err)
+
+	m, arr := parseDef(t, def.Def)
+	require.Equal(t, 3, len(arr))
+
+	dgst, idx := last(t, arr)
+	require.Equal(t, 0, idx)
+	require.Equal(t, m[dgst], arr[1])
+
+	f := arr[1].Op.(*pb.Op_File).File
+	require.Equal(t, 1, len(arr[1].Inputs))
+	require.Equal(t, m[arr[1].Inputs[0].Digest], arr[0])
+	require.Equal(t, 0, int(arr[1].Inputs[0].Index))
+
+	require.Equal(t, 1, len(f.Actions))
+
+	action := f.Actions[0]
+	require.Equal(t, 0, int(action.Input))
+	require.Equal(t, -1, int(action.SecondaryInput))
+	require.Equal(t, 0, int(action.Output))
+
+	symlink := action.Action.(*pb.FileAction_Symlink).Symlink
+
+	require.Equal(t, "foo", symlink.Oldpath)
+	require.Equal(t, "/bar", symlink.Newpath)
+}
+
 func TestFileRm(t *testing.T) {
 	t.Parallel()
 
diff --git a/cmd/buildctl/debug/dumpllb.go b/cmd/buildctl/debug/dumpllb.go
index 5f0a178437f3..e51fa31433fc 100644
--- a/cmd/buildctl/debug/dumpllb.go
+++ b/cmd/buildctl/debug/dumpllb.go
@@ -130,6 +130,8 @@ func attr(dgst digest.Digest, op *pb.Op) (string, string) {
 				name = fmt.Sprintf("mkdir{path=%s}", act.Mkdir.Path)
 			case *pb.FileAction_Rm:
 				name = fmt.Sprintf("rm{path=%s}", act.Rm.Path)
+			case *pb.FileAction_Symlink:
+				name = fmt.Sprintf("symlink{oldpath=%s, newpath=%s}", act.Symlink.Oldpath, act.Symlink.Newpath)
 			}
 
 			names = append(names, name)
diff --git a/solver/llbsolver/file/backend.go b/solver/llbsolver/file/backend.go
index 1d4abb36aa84..465cfe67aeee 100644
--- a/solver/llbsolver/file/backend.go
+++ b/solver/llbsolver/file/backend.go
@@ -67,6 +67,40 @@ func mkdir(d string, action *pb.FileActionMkDir, user *copy.User, idmap *idtools
 	return nil
 }
 
+func symlink(d string, action *pb.FileActionSymlink, user *copy.User, idmap *idtools.IdentityMapping) (err error) {
+	defer func() {
+		var osErr *os.PathError
+		if errors.As(err, &osErr) {
+			// remove system root from error path if present
+			osErr.Path = strings.TrimPrefix(osErr.Path, d)
+		}
+	}()
+
+	newpath, err := fs.RootPath(d, filepath.Join("/", action.Newpath))
+	if err != nil {
+		return errors.WithStack(err)
+	}
+
+	ch, err := mapUserToChowner(user, idmap)
+	if err != nil {
+		return err
+	}
+
+	if err := os.Symlink(action.Oldpath, newpath); err != nil {
+		return errors.WithStack(err)
+	}
+
+	if err := copy.Chown(newpath, nil, ch); err != nil {
+		return errors.WithStack(err)
+	}
+
+	if err := copy.Utimes(newpath, timestampToTime(action.Timestamp)); err != nil {
+		return errors.WithStack(err)
+	}
+
+	return nil
+}
+
 func mkfile(d string, action *pb.FileActionMkFile, user *copy.User, idmap *idtools.IdentityMapping) (err error) {
 	defer func() {
 		var osErr *os.PathError
@@ -304,6 +338,27 @@ func (fb *Backend) Mkfile(ctx context.Context, m, user, group fileoptypes.Mount,
 	return mkfile(dir, action, u, mnt.m.IdentityMapping())
 }
 
+func (fb *Backend) Symlink(ctx context.Context, m, user, group fileoptypes.Mount, action *pb.FileActionSymlink) error {
+	mnt, ok := m.(*Mount)
+	if !ok {
+		return errors.Errorf("invalid mount type %T", m)
+	}
+
+	lm := snapshot.LocalMounter(mnt.m)
+	dir, err := lm.Mount()
+	if err != nil {
+		return err
+	}
+	defer lm.Unmount()
+
+	u, err := fb.readUserWrapper(action.Owner, user, group)
+	if err != nil {
+		return err
+	}
+
+	return symlink(dir, action, u, mnt.m.IdentityMapping())
+}
+
 func (fb *Backend) Rm(ctx context.Context, m fileoptypes.Mount, action *pb.FileActionRm) error {
 	mnt, ok := m.(*Mount)
 	if !ok {
diff --git a/solver/llbsolver/ops/file.go b/solver/llbsolver/ops/file.go
index d93fbdb0bbed..13c6beda85b1 100644
--- a/solver/llbsolver/ops/file.go
+++ b/solver/llbsolver/ops/file.go
@@ -84,6 +84,13 @@ func (f *fileOp) CacheMap(ctx context.Context, g session.Group, index int) (*sol
 			if err != nil {
 				return nil, false, err
 			}
+		case *pb.FileAction_Symlink:
+			p := a.Symlink.CloneVT()
+			markInvalid(action.Input)
+			dt, err = json.Marshal(p)
+			if err != nil {
+				return nil, false, err
+			}
 		case *pb.FileAction_Rm:
 			p := a.Rm.CloneVT()
 			markInvalid(action.Input)
@@ -586,6 +593,14 @@ func (s *FileOpSolver) getInput(ctx context.Context, idx int, inputs []fileoptyp
 			if err := s.b.Mkdir(ctx, inpMount, user, group, a.Mkdir); err != nil {
 				return input{}, err
 			}
+		case *pb.FileAction_Symlink:
+			user, group, err := loadOwner(ctx, a.Symlink.Owner)
+			if err != nil {
+				return input{}, err
+			}
+			if err := s.b.Symlink(ctx, inpMount, user, group, a.Symlink); err != nil {
+				return input{}, err
+			}
 		case *pb.FileAction_Mkfile:
 			user, group, err := loadOwner(ctx, a.Mkfile.Owner)
 			if err != nil {
diff --git a/solver/llbsolver/ops/file_test.go b/solver/llbsolver/ops/file_test.go
index 623231d2d276..6102d16ac5c3 100644
--- a/solver/llbsolver/ops/file_test.go
+++ b/solver/llbsolver/ops/file_test.go
@@ -600,6 +600,7 @@ type mod struct {
 	rm      *pb.FileActionRm
 	mkfile  *pb.FileActionMkFile
 	copy    *pb.FileActionCopy
+	symlink *pb.FileActionSymlink
 	copySrc []mod
 }
 
@@ -643,6 +644,13 @@ func (b *testFileBackend) Mkfile(_ context.Context, m, user, group fileoptypes.M
 	return nil
 }
 
+func (b *testFileBackend) Symlink(_ context.Context, m, user, group fileoptypes.Mount, a *pb.FileActionSymlink) error {
+	mm := m.(*testMount)
+	mm.id += "-symlink"
+	mm.chain = append(mm.chain, mod{symlink: a})
+	return nil
+}
+
 func (b *testFileBackend) Rm(_ context.Context, m fileoptypes.Mount, a *pb.FileActionRm) error {
 	mm := m.(*testMount)
 	mm.id += "-rm"
diff --git a/solver/llbsolver/ops/fileoptypes/types.go b/solver/llbsolver/ops/fileoptypes/types.go
index bc35a07d97e4..db892b805d26 100644
--- a/solver/llbsolver/ops/fileoptypes/types.go
+++ b/solver/llbsolver/ops/fileoptypes/types.go
@@ -19,6 +19,7 @@ type Mount interface {
 
 type Backend interface {
 	Mkdir(context.Context, Mount, Mount, Mount, *pb.FileActionMkDir) error
+	Symlink(context.Context, Mount, Mount, Mount, *pb.FileActionSymlink) error
 	Mkfile(context.Context, Mount, Mount, Mount, *pb.FileActionMkFile) error
 	Rm(context.Context, Mount, *pb.FileActionRm) error
 	Copy(context.Context, Mount, Mount, Mount, Mount, *pb.FileActionCopy) error
diff --git a/solver/llbsolver/vertex.go b/solver/llbsolver/vertex.go
index 9052a727a6fd..c82d674a6efc 100644
--- a/solver/llbsolver/vertex.go
+++ b/solver/llbsolver/vertex.go
@@ -391,6 +391,8 @@ func fileOpName(actions []*pb.FileAction) string {
 			names = append(names, fmt.Sprintf("mkdir %s", a.Mkdir.Path))
 		case *pb.FileAction_Mkfile:
 			names = append(names, fmt.Sprintf("mkfile %s", a.Mkfile.Path))
+		case *pb.FileAction_Symlink:
+			names = append(names, fmt.Sprintf("symlink %s -> %s", a.Symlink.Newpath, a.Symlink.Oldpath))
 		case *pb.FileAction_Rm:
 			names = append(names, fmt.Sprintf("rm %s", a.Rm.Path))
 		case *pb.FileAction_Copy:
diff --git a/solver/pb/caps.go b/solver/pb/caps.go
index 57bbce05ab3a..8ba462978be5 100644
--- a/solver/pb/caps.go
+++ b/solver/pb/caps.go
@@ -68,6 +68,7 @@ const (
 	CapFileRmNoFollowSymlink                  apicaps.CapID = "file.rm.nofollowsymlink"
 	CapFileCopyAlwaysReplaceExistingDestPaths apicaps.CapID = "file.copy.alwaysreplaceexistingdestpaths"
 	CapFileCopyModeStringFormat               apicaps.CapID = "file.copy.modestring"
+	CapFileSymlinkCreate                      apicaps.CapID = "file.symlink.create"
 
 	CapConstraints apicaps.CapID = "constraints"
 	CapPlatform    apicaps.CapID = "platform"
@@ -402,6 +403,12 @@ func init() {
 		Status:  apicaps.CapStatusExperimental,
 	})
 
+	Caps.Init(apicaps.Cap{
+		ID:      CapFileSymlinkCreate,
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
 	Caps.Init(apicaps.Cap{
 		ID:      CapConstraints,
 		Enabled: true,
diff --git a/solver/pb/ops.pb.go b/solver/pb/ops.pb.go
index 09237031ee5f..dc5dd2f98472 100644
--- a/solver/pb/ops.pb.go
+++ b/solver/pb/ops.pb.go
@@ -2303,6 +2303,7 @@ type FileAction struct {
 	//	*FileAction_Mkfile
 	//	*FileAction_Mkdir
 	//	*FileAction_Rm
+	//	*FileAction_Symlink
 	Action isFileAction_Action `protobuf_oneof:"action"`
 }
 
@@ -2392,6 +2393,13 @@ func (x *FileAction) GetRm() *FileActionRm {
 	return nil
 }
 
+func (x *FileAction) GetSymlink() *FileActionSymlink {
+	if x, ok := x.GetAction().(*FileAction_Symlink); ok {
+		return x.Symlink
+	}
+	return nil
+}
+
 type isFileAction_Action interface {
 	isFileAction_Action()
 }
@@ -2416,6 +2424,11 @@ type FileAction_Rm struct {
 	Rm *FileActionRm `protobuf:"bytes,7,opt,name=rm,proto3,oneof"`
 }
 
+type FileAction_Symlink struct {
+	// FileActionSymlink creates a symlink
+	Symlink *FileActionSymlink `protobuf:"bytes,8,opt,name=symlink,proto3,oneof"`
+}
+
 func (*FileAction_Copy) isFileAction_Action() {}
 
 func (*FileAction_Mkfile) isFileAction_Action() {}
@@ -2424,6 +2437,8 @@ func (*FileAction_Mkdir) isFileAction_Action() {}
 
 func (*FileAction_Rm) isFileAction_Action() {}
 
+func (*FileAction_Symlink) isFileAction_Action() {}
+
 type FileActionCopy struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -2678,6 +2693,79 @@ func (x *FileActionMkFile) GetTimestamp() int64 {
 	return 0
 }
 
+type FileActionSymlink struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// destination path for the new file representing the link
+	Oldpath string `protobuf:"bytes,1,opt,name=oldpath,proto3" json:"oldpath,omitempty"`
+	// source path for the link
+	Newpath string `protobuf:"bytes,2,opt,name=newpath,proto3" json:"newpath,omitempty"`
+	// optional owner for the new file
+	Owner *ChownOpt `protobuf:"bytes,3,opt,name=owner,proto3" json:"owner,omitempty"`
+	// optional created time override
+	Timestamp int64 `protobuf:"varint,4,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+}
+
+func (x *FileActionSymlink) Reset() {
+	*x = FileActionSymlink{}
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[32]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *FileActionSymlink) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FileActionSymlink) ProtoMessage() {}
+
+func (x *FileActionSymlink) ProtoReflect() protoreflect.Message {
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[32]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FileActionSymlink.ProtoReflect.Descriptor instead.
+func (*FileActionSymlink) Descriptor() ([]byte, []int) {
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{32}
+}
+
+func (x *FileActionSymlink) GetOldpath() string {
+	if x != nil {
+		return x.Oldpath
+	}
+	return ""
+}
+
+func (x *FileActionSymlink) GetNewpath() string {
+	if x != nil {
+		return x.Newpath
+	}
+	return ""
+}
+
+func (x *FileActionSymlink) GetOwner() *ChownOpt {
+	if x != nil {
+		return x.Owner
+	}
+	return nil
+}
+
+func (x *FileActionSymlink) GetTimestamp() int64 {
+	if x != nil {
+		return x.Timestamp
+	}
+	return 0
+}
+
 type FileActionMkDir struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -2697,7 +2785,7 @@ type FileActionMkDir struct {
 
 func (x *FileActionMkDir) Reset() {
 	*x = FileActionMkDir{}
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[32]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[33]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -2709,7 +2797,7 @@ func (x *FileActionMkDir) String() string {
 func (*FileActionMkDir) ProtoMessage() {}
 
 func (x *FileActionMkDir) ProtoReflect() protoreflect.Message {
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[32]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[33]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2722,7 +2810,7 @@ func (x *FileActionMkDir) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FileActionMkDir.ProtoReflect.Descriptor instead.
 func (*FileActionMkDir) Descriptor() ([]byte, []int) {
-	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{32}
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{33}
 }
 
 func (x *FileActionMkDir) GetPath() string {
@@ -2775,7 +2863,7 @@ type FileActionRm struct {
 
 func (x *FileActionRm) Reset() {
 	*x = FileActionRm{}
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[33]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[34]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -2787,7 +2875,7 @@ func (x *FileActionRm) String() string {
 func (*FileActionRm) ProtoMessage() {}
 
 func (x *FileActionRm) ProtoReflect() protoreflect.Message {
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[33]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[34]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2800,7 +2888,7 @@ func (x *FileActionRm) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FileActionRm.ProtoReflect.Descriptor instead.
 func (*FileActionRm) Descriptor() ([]byte, []int) {
-	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{33}
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{34}
 }
 
 func (x *FileActionRm) GetPath() string {
@@ -2835,7 +2923,7 @@ type ChownOpt struct {
 
 func (x *ChownOpt) Reset() {
 	*x = ChownOpt{}
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[34]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[35]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -2847,7 +2935,7 @@ func (x *ChownOpt) String() string {
 func (*ChownOpt) ProtoMessage() {}
 
 func (x *ChownOpt) ProtoReflect() protoreflect.Message {
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[34]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[35]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2860,7 +2948,7 @@ func (x *ChownOpt) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChownOpt.ProtoReflect.Descriptor instead.
 func (*ChownOpt) Descriptor() ([]byte, []int) {
-	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{34}
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{35}
 }
 
 func (x *ChownOpt) GetUser() *UserOpt {
@@ -2893,7 +2981,7 @@ type UserOpt struct {
 
 func (x *UserOpt) Reset() {
 	*x = UserOpt{}
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[35]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[36]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -2905,7 +2993,7 @@ func (x *UserOpt) String() string {
 func (*UserOpt) ProtoMessage() {}
 
 func (x *UserOpt) ProtoReflect() protoreflect.Message {
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[35]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[36]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2918,7 +3006,7 @@ func (x *UserOpt) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use UserOpt.ProtoReflect.Descriptor instead.
 func (*UserOpt) Descriptor() ([]byte, []int) {
-	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{35}
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{36}
 }
 
 func (m *UserOpt) GetUser() isUserOpt_User {
@@ -2969,7 +3057,7 @@ type NamedUserOpt struct {
 
 func (x *NamedUserOpt) Reset() {
 	*x = NamedUserOpt{}
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[36]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[37]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -2981,7 +3069,7 @@ func (x *NamedUserOpt) String() string {
 func (*NamedUserOpt) ProtoMessage() {}
 
 func (x *NamedUserOpt) ProtoReflect() protoreflect.Message {
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[36]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[37]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2994,7 +3082,7 @@ func (x *NamedUserOpt) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use NamedUserOpt.ProtoReflect.Descriptor instead.
 func (*NamedUserOpt) Descriptor() ([]byte, []int) {
-	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{36}
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{37}
 }
 
 func (x *NamedUserOpt) GetName() string {
@@ -3021,7 +3109,7 @@ type MergeInput struct {
 
 func (x *MergeInput) Reset() {
 	*x = MergeInput{}
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[37]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[38]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -3033,7 +3121,7 @@ func (x *MergeInput) String() string {
 func (*MergeInput) ProtoMessage() {}
 
 func (x *MergeInput) ProtoReflect() protoreflect.Message {
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[37]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[38]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3046,7 +3134,7 @@ func (x *MergeInput) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use MergeInput.ProtoReflect.Descriptor instead.
 func (*MergeInput) Descriptor() ([]byte, []int) {
-	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{37}
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{38}
 }
 
 func (x *MergeInput) GetInput() int64 {
@@ -3066,7 +3154,7 @@ type MergeOp struct {
 
 func (x *MergeOp) Reset() {
 	*x = MergeOp{}
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[38]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[39]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -3078,7 +3166,7 @@ func (x *MergeOp) String() string {
 func (*MergeOp) ProtoMessage() {}
 
 func (x *MergeOp) ProtoReflect() protoreflect.Message {
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[38]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[39]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3091,7 +3179,7 @@ func (x *MergeOp) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use MergeOp.ProtoReflect.Descriptor instead.
 func (*MergeOp) Descriptor() ([]byte, []int) {
-	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{38}
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{39}
 }
 
 func (x *MergeOp) GetInputs() []*MergeInput {
@@ -3111,7 +3199,7 @@ type LowerDiffInput struct {
 
 func (x *LowerDiffInput) Reset() {
 	*x = LowerDiffInput{}
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[39]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[40]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -3123,7 +3211,7 @@ func (x *LowerDiffInput) String() string {
 func (*LowerDiffInput) ProtoMessage() {}
 
 func (x *LowerDiffInput) ProtoReflect() protoreflect.Message {
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[39]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[40]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3136,7 +3224,7 @@ func (x *LowerDiffInput) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LowerDiffInput.ProtoReflect.Descriptor instead.
 func (*LowerDiffInput) Descriptor() ([]byte, []int) {
-	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{39}
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{40}
 }
 
 func (x *LowerDiffInput) GetInput() int64 {
@@ -3156,7 +3244,7 @@ type UpperDiffInput struct {
 
 func (x *UpperDiffInput) Reset() {
 	*x = UpperDiffInput{}
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[40]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[41]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -3168,7 +3256,7 @@ func (x *UpperDiffInput) String() string {
 func (*UpperDiffInput) ProtoMessage() {}
 
 func (x *UpperDiffInput) ProtoReflect() protoreflect.Message {
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[40]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[41]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3181,7 +3269,7 @@ func (x *UpperDiffInput) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use UpperDiffInput.ProtoReflect.Descriptor instead.
 func (*UpperDiffInput) Descriptor() ([]byte, []int) {
-	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{40}
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{41}
 }
 
 func (x *UpperDiffInput) GetInput() int64 {
@@ -3202,7 +3290,7 @@ type DiffOp struct {
 
 func (x *DiffOp) Reset() {
 	*x = DiffOp{}
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[41]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[42]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -3214,7 +3302,7 @@ func (x *DiffOp) String() string {
 func (*DiffOp) ProtoMessage() {}
 
 func (x *DiffOp) ProtoReflect() protoreflect.Message {
-	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[41]
+	mi := &file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[42]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3227,7 +3315,7 @@ func (x *DiffOp) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DiffOp.ProtoReflect.Descriptor instead.
 func (*DiffOp) Descriptor() ([]byte, []int) {
-	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{41}
+	return file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP(), []int{42}
 }
 
 func (x *DiffOp) GetLower() *LowerDiffInput {
@@ -3509,7 +3597,7 @@ var file_github_com_moby_buildkit_solver_pb_ops_proto_rawDesc = []byte{
 	0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x22, 0x32, 0x0a, 0x06, 0x46, 0x69, 0x6c,
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@@ -3526,121 +3614,133 @@ var file_github_com_moby_buildkit_solver_pb_ops_proto_rawDesc = []byte{
 	0x2e, 0x46, 0x69, 0x6c, 0x65, 0x41, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x4d, 0x6b, 0x44, 0x69, 0x72,
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 }
 
 var (
@@ -3656,7 +3756,7 @@ func file_github_com_moby_buildkit_solver_pb_ops_proto_rawDescGZIP() []byte {
 }
 
 var file_github_com_moby_buildkit_solver_pb_ops_proto_enumTypes = make([]protoimpl.EnumInfo, 5)
-var file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes = make([]protoimpl.MessageInfo, 49)
+var file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes = make([]protoimpl.MessageInfo, 50)
 var file_github_com_moby_buildkit_solver_pb_ops_proto_goTypes = []any{
 	(NetMode)(0),              // 0: pb.NetMode
 	(SecurityMode)(0),         // 1: pb.SecurityMode
@@ -3695,23 +3795,24 @@ var file_github_com_moby_buildkit_solver_pb_ops_proto_goTypes = []any{
 	(*FileAction)(nil),        // 34: pb.FileAction
 	(*FileActionCopy)(nil),    // 35: pb.FileActionCopy
 	(*FileActionMkFile)(nil),  // 36: pb.FileActionMkFile
-	(*FileActionMkDir)(nil),   // 37: pb.FileActionMkDir
-	(*FileActionRm)(nil),      // 38: pb.FileActionRm
-	(*ChownOpt)(nil),          // 39: pb.ChownOpt
-	(*UserOpt)(nil),           // 40: pb.UserOpt
-	(*NamedUserOpt)(nil),      // 41: pb.NamedUserOpt
-	(*MergeInput)(nil),        // 42: pb.MergeInput
-	(*MergeOp)(nil),           // 43: pb.MergeOp
-	(*LowerDiffInput)(nil),    // 44: pb.LowerDiffInput
-	(*UpperDiffInput)(nil),    // 45: pb.UpperDiffInput
-	(*DiffOp)(nil),            // 46: pb.DiffOp
-	nil,                       // 47: pb.SourceOp.AttrsEntry
-	nil,                       // 48: pb.BuildOp.InputsEntry
-	nil,                       // 49: pb.BuildOp.AttrsEntry
-	nil,                       // 50: pb.OpMetadata.DescriptionEntry
-	nil,                       // 51: pb.OpMetadata.CapsEntry
-	nil,                       // 52: pb.Source.LocationsEntry
-	nil,                       // 53: pb.Definition.MetadataEntry
+	(*FileActionSymlink)(nil), // 37: pb.FileActionSymlink
+	(*FileActionMkDir)(nil),   // 38: pb.FileActionMkDir
+	(*FileActionRm)(nil),      // 39: pb.FileActionRm
+	(*ChownOpt)(nil),          // 40: pb.ChownOpt
+	(*UserOpt)(nil),           // 41: pb.UserOpt
+	(*NamedUserOpt)(nil),      // 42: pb.NamedUserOpt
+	(*MergeInput)(nil),        // 43: pb.MergeInput
+	(*MergeOp)(nil),           // 44: pb.MergeOp
+	(*LowerDiffInput)(nil),    // 45: pb.LowerDiffInput
+	(*UpperDiffInput)(nil),    // 46: pb.UpperDiffInput
+	(*DiffOp)(nil),            // 47: pb.DiffOp
+	nil,                       // 48: pb.SourceOp.AttrsEntry
+	nil,                       // 49: pb.BuildOp.InputsEntry
+	nil,                       // 50: pb.BuildOp.AttrsEntry
+	nil,                       // 51: pb.OpMetadata.DescriptionEntry
+	nil,                       // 52: pb.OpMetadata.CapsEntry
+	nil,                       // 53: pb.Source.LocationsEntry
+	nil,                       // 54: pb.Definition.MetadataEntry
 }
 var file_github_com_moby_buildkit_solver_pb_ops_proto_depIdxs = []int32{
 	7,  // 0: pb.Op.inputs:type_name -> pb.Input
@@ -3719,8 +3820,8 @@ var file_github_com_moby_buildkit_solver_pb_ops_proto_depIdxs = []int32{
 	18, // 2: pb.Op.source:type_name -> pb.SourceOp
 	33, // 3: pb.Op.file:type_name -> pb.FileOp
 	19, // 4: pb.Op.build:type_name -> pb.BuildOp
-	43, // 5: pb.Op.merge:type_name -> pb.MergeOp
-	46, // 6: pb.Op.diff:type_name -> pb.DiffOp
+	44, // 5: pb.Op.merge:type_name -> pb.MergeOp
+	47, // 6: pb.Op.diff:type_name -> pb.DiffOp
 	6,  // 7: pb.Op.platform:type_name -> pb.Platform
 	31, // 8: pb.Op.constraints:type_name -> pb.WorkerConstraints
 	9,  // 9: pb.ExecOp.meta:type_name -> pb.Meta
@@ -3738,45 +3839,47 @@ var file_github_com_moby_buildkit_solver_pb_ops_proto_depIdxs = []int32{
 	17, // 21: pb.Mount.SSHOpt:type_name -> pb.SSHOpt
 	3,  // 22: pb.Mount.contentCache:type_name -> pb.MountContentCache
 	4,  // 23: pb.CacheOpt.sharing:type_name -> pb.CacheSharingOpt
-	47, // 24: pb.SourceOp.attrs:type_name -> pb.SourceOp.AttrsEntry
-	48, // 25: pb.BuildOp.inputs:type_name -> pb.BuildOp.InputsEntry
+	48, // 24: pb.SourceOp.attrs:type_name -> pb.SourceOp.AttrsEntry
+	49, // 25: pb.BuildOp.inputs:type_name -> pb.BuildOp.InputsEntry
 	32, // 26: pb.BuildOp.def:type_name -> pb.Definition
-	49, // 27: pb.BuildOp.attrs:type_name -> pb.BuildOp.AttrsEntry
-	50, // 28: pb.OpMetadata.description:type_name -> pb.OpMetadata.DescriptionEntry
+	50, // 27: pb.BuildOp.attrs:type_name -> pb.BuildOp.AttrsEntry
+	51, // 28: pb.OpMetadata.description:type_name -> pb.OpMetadata.DescriptionEntry
 	28, // 29: pb.OpMetadata.export_cache:type_name -> pb.ExportCache
-	51, // 30: pb.OpMetadata.caps:type_name -> pb.OpMetadata.CapsEntry
+	52, // 30: pb.OpMetadata.caps:type_name -> pb.OpMetadata.CapsEntry
 	29, // 31: pb.OpMetadata.progress_group:type_name -> pb.ProgressGroup
-	52, // 32: pb.Source.locations:type_name -> pb.Source.LocationsEntry
+	53, // 32: pb.Source.locations:type_name -> pb.Source.LocationsEntry
 	24, // 33: pb.Source.infos:type_name -> pb.SourceInfo
 	25, // 34: pb.Locations.locations:type_name -> pb.Location
 	32, // 35: pb.SourceInfo.definition:type_name -> pb.Definition
 	26, // 36: pb.Location.ranges:type_name -> pb.Range
 	27, // 37: pb.Range.start:type_name -> pb.Position
 	27, // 38: pb.Range.end:type_name -> pb.Position
-	53, // 39: pb.Definition.metadata:type_name -> pb.Definition.MetadataEntry
+	54, // 39: pb.Definition.metadata:type_name -> pb.Definition.MetadataEntry
 	22, // 40: pb.Definition.Source:type_name -> pb.Source
 	34, // 41: pb.FileOp.actions:type_name -> pb.FileAction
 	35, // 42: pb.FileAction.copy:type_name -> pb.FileActionCopy
 	36, // 43: pb.FileAction.mkfile:type_name -> pb.FileActionMkFile
-	37, // 44: pb.FileAction.mkdir:type_name -> pb.FileActionMkDir
-	38, // 45: pb.FileAction.rm:type_name -> pb.FileActionRm
-	39, // 46: pb.FileActionCopy.owner:type_name -> pb.ChownOpt
-	39, // 47: pb.FileActionMkFile.owner:type_name -> pb.ChownOpt
-	39, // 48: pb.FileActionMkDir.owner:type_name -> pb.ChownOpt
-	40, // 49: pb.ChownOpt.user:type_name -> pb.UserOpt
-	40, // 50: pb.ChownOpt.group:type_name -> pb.UserOpt
-	41, // 51: pb.UserOpt.byName:type_name -> pb.NamedUserOpt
-	42, // 52: pb.MergeOp.inputs:type_name -> pb.MergeInput
-	44, // 53: pb.DiffOp.lower:type_name -> pb.LowerDiffInput
-	45, // 54: pb.DiffOp.upper:type_name -> pb.UpperDiffInput
-	20, // 55: pb.BuildOp.InputsEntry.value:type_name -> pb.BuildInput
-	23, // 56: pb.Source.LocationsEntry.value:type_name -> pb.Locations
-	21, // 57: pb.Definition.MetadataEntry.value:type_name -> pb.OpMetadata
-	58, // [58:58] is the sub-list for method output_type
-	58, // [58:58] is the sub-list for method input_type
-	58, // [58:58] is the sub-list for extension type_name
-	58, // [58:58] is the sub-list for extension extendee
-	0,  // [0:58] is the sub-list for field type_name
+	38, // 44: pb.FileAction.mkdir:type_name -> pb.FileActionMkDir
+	39, // 45: pb.FileAction.rm:type_name -> pb.FileActionRm
+	37, // 46: pb.FileAction.symlink:type_name -> pb.FileActionSymlink
+	40, // 47: pb.FileActionCopy.owner:type_name -> pb.ChownOpt
+	40, // 48: pb.FileActionMkFile.owner:type_name -> pb.ChownOpt
+	40, // 49: pb.FileActionSymlink.owner:type_name -> pb.ChownOpt
+	40, // 50: pb.FileActionMkDir.owner:type_name -> pb.ChownOpt
+	41, // 51: pb.ChownOpt.user:type_name -> pb.UserOpt
+	41, // 52: pb.ChownOpt.group:type_name -> pb.UserOpt
+	42, // 53: pb.UserOpt.byName:type_name -> pb.NamedUserOpt
+	43, // 54: pb.MergeOp.inputs:type_name -> pb.MergeInput
+	45, // 55: pb.DiffOp.lower:type_name -> pb.LowerDiffInput
+	46, // 56: pb.DiffOp.upper:type_name -> pb.UpperDiffInput
+	20, // 57: pb.BuildOp.InputsEntry.value:type_name -> pb.BuildInput
+	23, // 58: pb.Source.LocationsEntry.value:type_name -> pb.Locations
+	21, // 59: pb.Definition.MetadataEntry.value:type_name -> pb.OpMetadata
+	60, // [60:60] is the sub-list for method output_type
+	60, // [60:60] is the sub-list for method input_type
+	60, // [60:60] is the sub-list for extension type_name
+	60, // [60:60] is the sub-list for extension extendee
+	0,  // [0:60] is the sub-list for field type_name
 }
 
 func init() { file_github_com_moby_buildkit_solver_pb_ops_proto_init() }
@@ -3797,8 +3900,9 @@ func file_github_com_moby_buildkit_solver_pb_ops_proto_init() {
 		(*FileAction_Mkfile)(nil),
 		(*FileAction_Mkdir)(nil),
 		(*FileAction_Rm)(nil),
+		(*FileAction_Symlink)(nil),
 	}
-	file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[35].OneofWrappers = []any{
+	file_github_com_moby_buildkit_solver_pb_ops_proto_msgTypes[36].OneofWrappers = []any{
 		(*UserOpt_ByName)(nil),
 		(*UserOpt_ByID)(nil),
 	}
@@ -3808,7 +3912,7 @@ func file_github_com_moby_buildkit_solver_pb_ops_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_github_com_moby_buildkit_solver_pb_ops_proto_rawDesc,
 			NumEnums:      5,
-			NumMessages:   49,
+			NumMessages:   50,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/solver/pb/ops.proto b/solver/pb/ops.proto
index f1432af65bcb..5ff388299cef 100644
--- a/solver/pb/ops.proto
+++ b/solver/pb/ops.proto
@@ -309,6 +309,8 @@ message FileAction {
 		FileActionMkDir mkdir = 6;
 		// FileActionRm removes a file
 		FileActionRm rm = 7;
+		// FileActionSymlink creates a symlink
+		FileActionSymlink symlink = 8;
 	}
 }
 
@@ -358,6 +360,17 @@ message FileActionMkFile {
 	int64 timestamp = 5;
 }
 
+message FileActionSymlink {
+	// destination path for the new file representing the link
+	string oldpath = 1;
+	// source path for the link
+	string newpath = 2;
+	// optional owner for the new file
+	ChownOpt owner = 3;
+	// optional created time override
+	int64 timestamp = 4;
+}
+
 message FileActionMkDir {
 	// path for the new directory
 	string path = 1;
diff --git a/solver/pb/ops_vtproto.pb.go b/solver/pb/ops_vtproto.pb.go
index 877f6aa2c481..9d71812423f7 100644
--- a/solver/pb/ops_vtproto.pb.go
+++ b/solver/pb/ops_vtproto.pb.go
@@ -824,6 +824,15 @@ func (m *FileAction_Rm) CloneVT() isFileAction_Action {
 	return r
 }
 
+func (m *FileAction_Symlink) CloneVT() isFileAction_Action {
+	if m == nil {
+		return (*FileAction_Symlink)(nil)
+	}
+	r := new(FileAction_Symlink)
+	r.Symlink = m.Symlink.CloneVT()
+	return r
+}
+
 func (m *FileActionCopy) CloneVT() *FileActionCopy {
 	if m == nil {
 		return (*FileActionCopy)(nil)
@@ -888,6 +897,26 @@ func (m *FileActionMkFile) CloneMessageVT() proto.Message {
 	return m.CloneVT()
 }
 
+func (m *FileActionSymlink) CloneVT() *FileActionSymlink {
+	if m == nil {
+		return (*FileActionSymlink)(nil)
+	}
+	r := new(FileActionSymlink)
+	r.Oldpath = m.Oldpath
+	r.Newpath = m.Newpath
+	r.Owner = m.Owner.CloneVT()
+	r.Timestamp = m.Timestamp
+	if len(m.unknownFields) > 0 {
+		r.unknownFields = make([]byte, len(m.unknownFields))
+		copy(r.unknownFields, m.unknownFields)
+	}
+	return r
+}
+
+func (m *FileActionSymlink) CloneMessageVT() proto.Message {
+	return m.CloneVT()
+}
+
 func (m *FileActionMkDir) CloneVT() *FileActionMkDir {
 	if m == nil {
 		return (*FileActionMkDir)(nil)
@@ -2397,6 +2426,31 @@ func (this *FileAction_Rm) EqualVT(thatIface isFileAction_Action) bool {
 	return true
 }
 
+func (this *FileAction_Symlink) EqualVT(thatIface isFileAction_Action) bool {
+	that, ok := thatIface.(*FileAction_Symlink)
+	if !ok {
+		return false
+	}
+	if this == that {
+		return true
+	}
+	if this == nil && that != nil || this != nil && that == nil {
+		return false
+	}
+	if p, q := this.Symlink, that.Symlink; p != q {
+		if p == nil {
+			p = &FileActionSymlink{}
+		}
+		if q == nil {
+			q = &FileActionSymlink{}
+		}
+		if !p.EqualVT(q) {
+			return false
+		}
+	}
+	return true
+}
+
 func (this *FileActionCopy) EqualVT(that *FileActionCopy) bool {
 	if this == that {
 		return true
@@ -2501,6 +2555,34 @@ func (this *FileActionMkFile) EqualMessageVT(thatMsg proto.Message) bool {
 	}
 	return this.EqualVT(that)
 }
+func (this *FileActionSymlink) EqualVT(that *FileActionSymlink) bool {
+	if this == that {
+		return true
+	} else if this == nil || that == nil {
+		return false
+	}
+	if this.Oldpath != that.Oldpath {
+		return false
+	}
+	if this.Newpath != that.Newpath {
+		return false
+	}
+	if !this.Owner.EqualVT(that.Owner) {
+		return false
+	}
+	if this.Timestamp != that.Timestamp {
+		return false
+	}
+	return string(this.unknownFields) == string(that.unknownFields)
+}
+
+func (this *FileActionSymlink) EqualMessageVT(thatMsg proto.Message) bool {
+	that, ok := thatMsg.(*FileActionSymlink)
+	if !ok {
+		return false
+	}
+	return this.EqualVT(that)
+}
 func (this *FileActionMkDir) EqualVT(that *FileActionMkDir) bool {
 	if this == that {
 		return true
@@ -4922,6 +5004,29 @@ func (m *FileAction_Rm) MarshalToSizedBufferVT(dAtA []byte) (int, error) {
 	}
 	return len(dAtA) - i, nil
 }
+func (m *FileAction_Symlink) MarshalToVT(dAtA []byte) (int, error) {
+	size := m.SizeVT()
+	return m.MarshalToSizedBufferVT(dAtA[:size])
+}
+
+func (m *FileAction_Symlink) MarshalToSizedBufferVT(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	if m.Symlink != nil {
+		size, err := m.Symlink.MarshalToSizedBufferVT(dAtA[:i])
+		if err != nil {
+			return 0, err
+		}
+		i -= size
+		i = protohelpers.EncodeVarint(dAtA, i, uint64(size))
+		i--
+		dAtA[i] = 0x42
+	} else {
+		i = protohelpers.EncodeVarint(dAtA, i, 0)
+		i--
+		dAtA[i] = 0x42
+	}
+	return len(dAtA) - i, nil
+}
 func (m *FileActionCopy) MarshalVT() (dAtA []byte, err error) {
 	if m == nil {
 		return nil, nil
@@ -5151,6 +5256,68 @@ func (m *FileActionMkFile) MarshalToSizedBufferVT(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *FileActionSymlink) MarshalVT() (dAtA []byte, err error) {
+	if m == nil {
+		return nil, nil
+	}
+	size := m.SizeVT()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBufferVT(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *FileActionSymlink) MarshalToVT(dAtA []byte) (int, error) {
+	size := m.SizeVT()
+	return m.MarshalToSizedBufferVT(dAtA[:size])
+}
+
+func (m *FileActionSymlink) MarshalToSizedBufferVT(dAtA []byte) (int, error) {
+	if m == nil {
+		return 0, nil
+	}
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.unknownFields != nil {
+		i -= len(m.unknownFields)
+		copy(dAtA[i:], m.unknownFields)
+	}
+	if m.Timestamp != 0 {
+		i = protohelpers.EncodeVarint(dAtA, i, uint64(m.Timestamp))
+		i--
+		dAtA[i] = 0x20
+	}
+	if m.Owner != nil {
+		size, err := m.Owner.MarshalToSizedBufferVT(dAtA[:i])
+		if err != nil {
+			return 0, err
+		}
+		i -= size
+		i = protohelpers.EncodeVarint(dAtA, i, uint64(size))
+		i--
+		dAtA[i] = 0x1a
+	}
+	if len(m.Newpath) > 0 {
+		i -= len(m.Newpath)
+		copy(dAtA[i:], m.Newpath)
+		i = protohelpers.EncodeVarint(dAtA, i, uint64(len(m.Newpath)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if len(m.Oldpath) > 0 {
+		i -= len(m.Oldpath)
+		copy(dAtA[i:], m.Oldpath)
+		i = protohelpers.EncodeVarint(dAtA, i, uint64(len(m.Oldpath)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
 func (m *FileActionMkDir) MarshalVT() (dAtA []byte, err error) {
 	if m == nil {
 		return nil, nil
@@ -6559,6 +6726,20 @@ func (m *FileAction_Rm) SizeVT() (n int) {
 	}
 	return n
 }
+func (m *FileAction_Symlink) SizeVT() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.Symlink != nil {
+		l = m.Symlink.SizeVT()
+		n += 1 + l + protohelpers.SizeOfVarint(uint64(l))
+	} else {
+		n += 3
+	}
+	return n
+}
 func (m *FileActionCopy) SizeVT() (n int) {
 	if m == nil {
 		return 0
@@ -6652,6 +6833,31 @@ func (m *FileActionMkFile) SizeVT() (n int) {
 	return n
 }
 
+func (m *FileActionSymlink) SizeVT() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Oldpath)
+	if l > 0 {
+		n += 1 + l + protohelpers.SizeOfVarint(uint64(l))
+	}
+	l = len(m.Newpath)
+	if l > 0 {
+		n += 1 + l + protohelpers.SizeOfVarint(uint64(l))
+	}
+	if m.Owner != nil {
+		l = m.Owner.SizeVT()
+		n += 1 + l + protohelpers.SizeOfVarint(uint64(l))
+	}
+	if m.Timestamp != 0 {
+		n += 1 + protohelpers.SizeOfVarint(uint64(m.Timestamp))
+	}
+	n += len(m.unknownFields)
+	return n
+}
+
 func (m *FileActionMkDir) SizeVT() (n int) {
 	if m == nil {
 		return 0
@@ -12355,6 +12561,47 @@ func (m *FileAction) UnmarshalVT(dAtA []byte) error {
 				m.Action = &FileAction_Rm{Rm: v}
 			}
 			iNdEx = postIndex
+		case 8:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Symlink", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return protohelpers.ErrIntOverflow
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return protohelpers.ErrInvalidLength
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return protohelpers.ErrInvalidLength
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if oneof, ok := m.Action.(*FileAction_Symlink); ok {
+				if err := oneof.Symlink.UnmarshalVT(dAtA[iNdEx:postIndex]); err != nil {
+					return err
+				}
+			} else {
+				v := &FileActionSymlink{}
+				if err := v.UnmarshalVT(dAtA[iNdEx:postIndex]); err != nil {
+					return err
+				}
+				m.Action = &FileAction_Symlink{Symlink: v}
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := protohelpers.Skip(dAtA[iNdEx:])
@@ -12993,6 +13240,176 @@ func (m *FileActionMkFile) UnmarshalVT(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *FileActionSymlink) UnmarshalVT(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return protohelpers.ErrIntOverflow
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: FileActionSymlink: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: FileActionSymlink: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Oldpath", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return protohelpers.ErrIntOverflow
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return protohelpers.ErrInvalidLength
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return protohelpers.ErrInvalidLength
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Oldpath = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Newpath", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return protohelpers.ErrIntOverflow
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return protohelpers.ErrInvalidLength
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return protohelpers.ErrInvalidLength
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Newpath = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Owner", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return protohelpers.ErrIntOverflow
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return protohelpers.ErrInvalidLength
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return protohelpers.ErrInvalidLength
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Owner == nil {
+				m.Owner = &ChownOpt{}
+			}
+			if err := m.Owner.UnmarshalVT(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Timestamp", wireType)
+			}
+			m.Timestamp = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return protohelpers.ErrIntOverflow
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Timestamp |= int64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := protohelpers.Skip(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return protohelpers.ErrInvalidLength
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.unknownFields = append(m.unknownFields, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *FileActionMkDir) UnmarshalVT(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0