Update from https://crrev.com/305340

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

Index: sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc
diff --git a/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc b/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc
index 83e848976b3a7a5b29c84289a07382c6222d315d..264ee4d020b79d4cbd8b5a7daf2a72901a823382 100644
--- a/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc
+++ b/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc
@@ -6,7 +6,9 @@
 
 #include <errno.h>
 #include <sched.h>
+#include <sys/resource.h>
 #include <sys/syscall.h>
+#include <sys/types.h>
 #include <time.h>
 #include <unistd.h>
 
@@ -23,6 +25,7 @@
 #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
 #include "sandbox/linux/seccomp-bpf/syscall.h"
 #include "sandbox/linux/services/linux_syscalls.h"
+#include "sandbox/linux/services/syscall_wrappers.h"
 #include "sandbox/linux/tests/unit_tests.h"
 
 #if !defined(OS_ANDROID)
@@ -163,7 +166,7 @@ void CheckSchedGetParam(pid_t pid, struct sched_param* param) {
 
 void SchedGetParamThread(base::WaitableEvent* thread_run) {
   const pid_t pid = getpid();
-  const pid_t tid = syscall(__NR_gettid);
+  const pid_t tid = sys_gettid();
   BPF_ASSERT_NE(pid, tid);
 
   struct sched_param current_pid_param;
@@ -208,6 +211,35 @@ BPF_DEATH_TEST_C(ParameterRestrictions,
   sched_getparam(kInitPID, &param);
 }
 
+class RestrictPrlimit64Policy : public bpf_dsl::Policy {
+ public:
+  RestrictPrlimit64Policy() {}
+  ~RestrictPrlimit64Policy() override {}
+
+  ResultExpr EvaluateSyscall(int sysno) const override {
+    switch (sysno) {
+      case __NR_prlimit64:
+        return RestrictPrlimit64(getpid());
+      default:
+        return Allow();
+    }
+  }
+};
+
+BPF_TEST_C(ParameterRestrictions, prlimit64_allowed, RestrictPrlimit64Policy) {
+  BPF_ASSERT_EQ(0, syscall(__NR_prlimit64, 0, RLIMIT_AS, NULL, NULL));
+  BPF_ASSERT_EQ(0, syscall(__NR_prlimit64, getpid(), RLIMIT_AS, NULL, NULL));
+}
+
+BPF_DEATH_TEST_C(ParameterRestrictions,
+                 prlimit64_crash_not_self,
+                 DEATH_SEGV_MESSAGE(sandbox::GetErrorMessageContentForTests()),
+                 RestrictPrlimit64Policy) {
+  const pid_t kInitPID = 1;
+  BPF_ASSERT_NE(kInitPID, getpid());
+  syscall(__NR_prlimit64, kInitPID, RLIMIT_AS, NULL, NULL);
+}
+
 }  // namespace
 
 }  // namespace sandbox