Linux Sandbox: whitelist arm64 syscalls

sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sandbox/linux/seccomp-bpf-helpers/syscall_sets.h"
 
 #include "build/build_config.h"
 #include "sandbox/linux/system_headers/linux_syscalls.h"
 
 namespace sandbox {
@@ skipping 396 matching lines @@
       return false;
   }
 }
 
 bool SyscallSets::IsAllowedEpoll(int sysno) {
   switch (sysno) {
 #if !defined(__aarch64__)
     case __NR_epoll_create:
     case __NR_epoll_wait:
 #endif
+    case __NR_epoll_pwait:
     case __NR_epoll_create1:
     case __NR_epoll_ctl:
       return true;
     default:
 #if defined(__x86_64__)
     case __NR_epoll_ctl_old:
 #endif
-    case __NR_epoll_pwait:
 #if defined(__x86_64__)
     case __NR_epoll_wait_old:
 #endif
       return false;
   }
 }
 
 bool SyscallSets::IsAllowedGetOrModifySocket(int sysno) {
   switch (sysno) {
 #if !defined(__aarch64__)
@@ skipping 616 matching lines @@
   switch (sysno) {
     case __NR_sysmips:
     case __NR_unused150:
       return true;
     default:
       return false;
   }
 }
 #endif  // defined(__mips__)
 }  // namespace sandbox.