Linux Sandbox: whitelist arm64 syscalls

content/common/sandbox_linux/bpf_utility_policy_linux.cc

 // Copyright 2014 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 "content/common/sandbox_linux/bpf_utility_policy_linux.h"
 
 #include <errno.h>
 
 #include "build/build_config.h"
 #include "content/common/sandbox_linux/sandbox_linux.h"
@@ skipping 14 matching lines @@
 UtilityProcessPolicy::~UtilityProcessPolicy() {
 }
 
 ResultExpr UtilityProcessPolicy::EvaluateSyscall(int sysno) const {
   switch (sysno) {
     case __NR_ioctl:
       return sandbox::RestrictIoctl();
     // Allow the system calls below.
     case __NR_fdatasync:
     case __NR_fsync:
-#if defined(__i386__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+    defined(__aarch64__)
     case __NR_getrlimit:
 #endif
 #if defined(__i386__) || defined(__arm__)
     case __NR_ugetrlimit:
 #endif
     case __NR_mremap:  // https://crbug.com/546204
     case __NR_pread64:
     case __NR_pwrite64:
     case __NR_sysinfo:
     case __NR_times:
     case __NR_uname:
       return Allow();
     default:
       // Default on the content baseline policy.
       return SandboxBPFBasePolicy::EvaluateSyscall(sysno);
   }
 }
 
 }  // namespace content