Add nanosleep filter for Go 1.11 support

golang.org/cl/108538 replaces pselect6 with nanosleep in runtime.usleep. Update
the filters accordingly.

PiperOrigin-RevId: 200574612
Change-Id: Ifb2296fcb3781518fc047aabbbffedb9ae488cd7

runsc/boot/filter/BUILD

@@ -6,6 +6,8 @@ go_library(
     name = "filter",
     srcs = [
         "config.go",
+        "config_go110.go",
+        "config_go111.go",
         "extra_filters.go",
         "extra_filters_msan.go",
         "extra_filters_race.go",

runsc/boot/filter/config.go

@@ -61,7 +61,6 @@ var allowedSyscalls = seccomp.SyscallRules{
 	syscall.SYS_NEWFSTATAT:      {},
 	syscall.SYS_POLL:            {},
 	syscall.SYS_PREAD64:         {},
-	syscall.SYS_PSELECT6:        {},
 	syscall.SYS_PWRITE64:        {},
 	syscall.SYS_READ:            {},
 	syscall.SYS_READLINKAT:      {},

runsc/boot/filter/config_go110.go

@@ -0,0 +1,30 @@
+// Copyright 2018 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !go1.11
+
+package filter
+
+import (
+	"syscall"
+
+	"gvisor.googlesource.com/gvisor/pkg/seccomp"
+)
+
+// TODO: Remove this file and merge config_go111.go back into
+// config.go once we no longer build with Go 1.10.
+
+func init() {
+	allowedSyscalls[syscall.SYS_PSELECT6] = []seccomp.Rule{}
+}

runsc/boot/filter/config_go111.go

@@ -0,0 +1,27 @@
+// Copyright 2018 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build go1.11
+
+package filter
+
+import (
+	"syscall"
+
+	"gvisor.googlesource.com/gvisor/pkg/seccomp"
+)
+
+func init() {
+	allowedSyscalls[syscall.SYS_NANOSLEEP] = []seccomp.Rule{}
+}