Internal change.

PiperOrigin-RevId: 567370524

Author: gvisor-bot

test/syscalls/linux/BUILD

@@ -1446,6 +1446,7 @@ cc_binary(
     srcs = ["msync.cc"],
     linkstatic = 1,
     deps = [
+        gtest,
         "//test/util:file_descriptor",
         "//test/util:memory_util",
         "//test/util:posix_error",

test/syscalls/linux/alarm.cc

@@ -132,6 +132,10 @@ TEST(AlarmTest, SaSiginfo) {
   ASSERT_THAT(pause(), SyscallFailsWithErrno(EINTR));
 }
 
+#ifndef SA_INTERRUPT
+#define SA_INTERRUPT 0x20000000
+#endif  // SA_INTERRUPT
+
 // No random save as the test relies on alarm timing. Cooperative save tests
 // already cover the save between alarm and pause.
 TEST(AlarmTest, SaInterrupt) {

test/syscalls/linux/cgroup.cc

@@ -28,10 +28,11 @@
 #include "absl/container/flat_hash_set.h"
 #include "absl/strings/str_split.h"
 #include "absl/synchronization/notification.h"
-#include "test/util/capability_util.h"
 #include "test/util/cgroup_util.h"
 #include "test/util/cleanup.h"
+#include "test/util/linux_capability_util.h"
 #include "test/util/mount_util.h"
+#include "test/util/posix_error.h"
 #include "test/util/temp_path.h"
 #include "test/util/test_util.h"
 #include "test/util/thread_util.h"
@@ -857,7 +858,7 @@ TEST(CPUAcctCgroup, NoDoubleAccounting) {
 
 // WriteAndVerifyControlValue attempts to write val to a cgroup file at path,
 // and verify the value by reading it afterwards.
-PosixError WriteAndVerifyControlValue(const Cgroup& c, std::string_view path,
+PosixError WriteAndVerifyControlValue(const Cgroup& c, absl::string_view path,
                                       int64_t val) {
   RETURN_IF_ERRNO(c.WriteIntegerControlFile(path, val));
   ASSIGN_OR_RETURN_ERRNO(int64_t newval, c.ReadIntegerControlFile(path));
@@ -874,7 +875,7 @@ PosixError WriteAndVerifyControlValue(const Cgroup& c, std::string_view path,
 PosixErrorOr<std::vector<bool>> ParseBitmap(std::string s) {
   std::vector<bool> bitmap;
   bitmap.reserve(64);
-  for (const std::string_view& t : absl::StrSplit(s, ',')) {
+  for (const absl::string_view& t : absl::StrSplit(s, ',')) {
     std::vector<std::string> parts = absl::StrSplit(t, absl::MaxSplits('-', 2));
     if (parts.size() == 2) {
       ASSIGN_OR_RETURN_ERRNO(uint64_t start, Atoi<uint64_t>(parts[0]));

test/syscalls/linux/msync.cc

@@ -20,6 +20,8 @@
 #include <utility>
 #include <vector>
 
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
 #include "test/util/file_descriptor.h"
 #include "test/util/memory_util.h"
 #include "test/util/posix_error.h"

test/syscalls/linux/shm.cc

@@ -300,6 +300,11 @@ TEST(ShmTest, ShmCtlSet) {
   ASSERT_NO_ERRNO(Shmdt(addr));
 }
 
+#ifndef SHM_DEST
+// Not defined in bionic
+#define SHM_DEST 0x200
+#endif
+
 TEST(ShmTest, RemovedSegmentsAreMarkedDeleted) {
   ShmSegment shm = ASSERT_NO_ERRNO_AND_VALUE(
       Shmget(IPC_PRIVATE, kAllocSize, IPC_CREAT | 0777));

test/syscalls/linux/socket_inet_loopback.cc

@@ -161,15 +161,15 @@ TEST_P(DualStackSocketTest, AddressOperations) {
 
       if (operation == Operation::SendTo) {
         EXPECT_EQ(sock_addr_in6->sin6_family, AF_INET6);
-        EXPECT_TRUE(IN6_IS_ADDR_UNSPECIFIED(sock_addr_in6->sin6_addr.s6_addr32))
+        EXPECT_TRUE(IN6_IS_ADDR_UNSPECIFIED(&sock_addr_in6->sin6_addr))
             << OperationToString(operation)
             << " getsocknam=" << GetAddrStr(AsSockAddr(&sock_addr));
 
         EXPECT_NE(sock_addr_in6->sin6_port, 0);
       } else if (IN6_IS_ADDR_V4MAPPED(
-                     reinterpret_cast<const sockaddr_in6*>(addr_in)
-                         ->sin6_addr.s6_addr32)) {
-        EXPECT_TRUE(IN6_IS_ADDR_V4MAPPED(sock_addr_in6->sin6_addr.s6_addr32))
+                     &(reinterpret_cast<const sockaddr_in6*>(addr_in)
+                           ->sin6_addr))) {
+        EXPECT_TRUE(IN6_IS_ADDR_V4MAPPED(&sock_addr_in6->sin6_addr))
             << OperationToString(operation)
             << " getsocknam=" << GetAddrStr(AsSockAddr(&sock_addr));
       }
@@ -183,11 +183,10 @@ TEST_P(DualStackSocketTest, AddressOperations) {
       ASSERT_EQ(addrlen, sizeof(struct sockaddr_in6));
 
       if (addr.family() == AF_INET ||
-          IN6_IS_ADDR_V4MAPPED(reinterpret_cast<const sockaddr_in6*>(addr_in)
-                                   ->sin6_addr.s6_addr32)) {
+          IN6_IS_ADDR_V4MAPPED(
+              &(reinterpret_cast<const sockaddr_in6*>(addr_in)->sin6_addr))) {
         EXPECT_TRUE(IN6_IS_ADDR_V4MAPPED(
-            reinterpret_cast<const sockaddr_in6*>(&peer_addr)
-                ->sin6_addr.s6_addr32))
+            &(reinterpret_cast<const sockaddr_in6*>(&peer_addr)->sin6_addr)))
             << OperationToString(operation)
             << " getpeername=" << GetAddrStr(AsSockAddr(&peer_addr));
       }

test/syscalls/linux/socket_ip_tcp_generic.cc

@@ -143,9 +143,10 @@ TEST_P(TCPSocketPairTest, RSTCausesPollHUP) {
 
   // Confirm we at least have one unread byte.
   int bytes_available = 0;
-  ASSERT_THAT(
-      RetryEINTR(ioctl)(sockets->second_fd(), FIONREAD, &bytes_available),
-      SyscallSucceeds());
+  ASSERT_THAT(RetryEINTR([&]() {
+                return ioctl(sockets->second_fd(), FIONREAD, &bytes_available);
+              })(),
+              SyscallSucceeds());
   EXPECT_GT(bytes_available, 0);
 
   // Now close the connected socket without reading the data from the second,

test/syscalls/linux/udp_socket.cc

@@ -2475,7 +2475,7 @@ TEST(UdpInet6SocketTest, ConnectInet4Sockaddr) {
   ASSERT_NE(addr = inet_ntop(sockname.ss_family, &sockname, addr_buf,
                              sizeof(addr_buf)),
             nullptr);
-  ASSERT_TRUE(IN6_IS_ADDR_V4MAPPED(sin6->sin6_addr.s6_addr)) << addr;
+  ASSERT_TRUE(IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) << addr;
 }
 
 }  // namespace

test/util/cgroup_util.h

@@ -53,7 +53,7 @@ class Cgroup {
   }
 
   // Creates a child cgroup under this cgroup with the given name.
-  PosixErrorOr<Cgroup> CreateChild(std::string_view name) const;
+  PosixErrorOr<Cgroup> CreateChild(absl::string_view name) const;
 
   std::string Relpath(absl::string_view leaf) const {
     return JoinPath(cgroup_path_, leaf);
@@ -104,7 +104,7 @@ class Cgroup {
   PosixError EnterThread(pid_t pid) const;
 
  private:
-  Cgroup(std::string_view path, std::string_view mountpoint);
+  Cgroup(absl::string_view path, absl::string_view mountpoint);
 
   PosixErrorOr<absl::flat_hash_set<pid_t>> ParsePIDList(
       absl::string_view data) const;

test/util/mount_util.cc

@@ -209,7 +209,8 @@ MountOptionals() {
 }
 
 PosixError ParseOptionalTag(std::string_view tag, MountOptional* opt) {
-  std::vector<std::string_view> key_value = absl::StrSplit(tag, ':');
+  std::vector<absl::string_view> key_value =
+      absl::StrSplit(absl::string_view(tag.data(), tag.size()), ':');
   if (key_value.size() != 2) return PosixError(0);
   if (key_value[0] == "shared") {
     if (!absl::SimpleAtoi(key_value[1], &opt->shared))

test/util/test_util.h

@@ -193,6 +193,13 @@
 #include "test/util/posix_error.h"
 #include "test/util/save_util.h"
 
+// Android's libc, Bionic, specifies that many syscall arguments are _Nonnull,
+// causing tests that specifically test for syscall behavior on null arguments
+// to fail to build.
+#if defined(__BIONIC__) && defined(__clang__)
+#pragma clang diagnostic ignored "-Wnonnull"
+#endif
+
 namespace gvisor {
 namespace testing {