diff --git UPDATING UPDATING
index 1662c50c8b2e..887efb8dcd9f 100644
--- UPDATING
+++ UPDATING
@@ -31,6 +31,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 13.x IS SLOW:
 	disable the most expensive debugging functionality run
 	"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20190320:
+	The fuse(4) module has been renamed to fusefs(4) for consistency with
+	other filesystems.  You should update any kld_load="fuse" entries in
+	/etc/rc.conf, fuse_load="YES" entries in /boot/loader.conf, and
+	"options FUSE" enties in kernel config files.
+
 20190304:
 	Clang, llvm, lld, lldb, compiler-rt and libc++ have been upgraded to
 	8.0.0.  Please see the 20141231 entry below for information about
diff --git cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/syscall/tst.args.c cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/syscall/tst.args.c
index 9dd147b40bbe..ad483ee99629 100644
--- cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/syscall/tst.args.c
+++ cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/syscall/tst.args.c
@@ -35,7 +35,8 @@ int
 main(int argc, char **argv)
 {
 	for (;;) {
-		(void) __syscall(SYS_mmap, NULL, 1, 2, 3, -1, 0x12345678);
+		(void) __syscall(SYS_mmap, NULL, (size_t)1, 2, 3, -1,
+		    (off_t)0x12345678);
 	}
 
 	return (0);
diff --git contrib/googletest/googletest/CMakeLists.txt contrib/googletest/googletest/CMakeLists.txt
index 9ee79408c277..e4e99e836fc1 100644
--- contrib/googletest/googletest/CMakeLists.txt
+++ contrib/googletest/googletest/CMakeLists.txt
@@ -217,6 +217,7 @@ if (gtest_build_tests)
     test/gtest-typed-test2_test.cc)
   cxx_test(gtest_unittest gtest_main)
   cxx_test(gtest-unittest-api_test gtest)
+  cxx_test(gtest_skip_test gtest_main)
 
   ############################################################
   # C++ tests built with non-standard compiler flags.
diff --git contrib/googletest/googletest/include/gtest/gtest-test-part.h contrib/googletest/googletest/include/gtest/gtest-test-part.h
index 1c7b89e08796..7b30aff67a3f 100644
--- contrib/googletest/googletest/include/gtest/gtest-test-part.h
+++ contrib/googletest/googletest/include/gtest/gtest-test-part.h
@@ -53,7 +53,8 @@ class GTEST_API_ TestPartResult {
   enum Type {
     kSuccess,          // Succeeded.
     kNonFatalFailure,  // Failed but the test can continue.
-    kFatalFailure      // Failed and the test should be terminated.
+    kFatalFailure,     // Failed and the test should be terminated.
+    kSkip              // Skipped.
   };
 
   // C'tor.  TestPartResult does NOT have a default constructor.
@@ -89,18 +90,21 @@ class GTEST_API_ TestPartResult {
   // Gets the message associated with the test part.
   const char* message() const { return message_.c_str(); }
 
+  // Returns true iff the test part was skipped.
+  bool skipped() const { return type_ == kSkip; }
+
   // Returns true iff the test part passed.
   bool passed() const { return type_ == kSuccess; }
 
-  // Returns true iff the test part failed.
-  bool failed() const { return type_ != kSuccess; }
-
   // Returns true iff the test part non-fatally failed.
   bool nonfatally_failed() const { return type_ == kNonFatalFailure; }
 
   // Returns true iff the test part fatally failed.
   bool fatally_failed() const { return type_ == kFatalFailure; }
 
+  // Returns true iff the test part failed.
+  bool failed() const { return fatally_failed() || nonfatally_failed(); }
+
  private:
   Type type_;
 
diff --git contrib/googletest/googletest/include/gtest/gtest.h contrib/googletest/googletest/include/gtest/gtest.h
index 5df4b0a3a712..89214183d257 100644
--- contrib/googletest/googletest/include/gtest/gtest.h
+++ contrib/googletest/googletest/include/gtest/gtest.h
@@ -440,6 +440,9 @@ class GTEST_API_ Test {
   // Returns true iff the current test has a non-fatal failure.
   static bool HasNonfatalFailure();
 
+  // Returns true iff the current test was skipped.
+  static bool IsSkipped();
+
   // Returns true iff the current test has a (either fatal or
   // non-fatal) failure.
   static bool HasFailure() { return HasFatalFailure() || HasNonfatalFailure(); }
@@ -574,7 +577,10 @@ class GTEST_API_ TestResult {
   int test_property_count() const;
 
   // Returns true iff the test passed (i.e. no test part failed).
-  bool Passed() const { return !Failed(); }
+  bool Passed() const { return !Skipped() && !Failed(); }
+
+  // Returns true iff the test was skipped.
+  bool Skipped() const;
 
   // Returns true iff the test failed.
   bool Failed() const;
@@ -854,6 +860,9 @@ class GTEST_API_ TestCase {
   // Gets the number of successful tests in this test case.
   int successful_test_count() const;
 
+  // Gets the number of skipped tests in this test case.
+  int skipped_test_count() const;
+
   // Gets the number of failed tests in this test case.
   int failed_test_count() const;
 
@@ -936,6 +945,11 @@ class GTEST_API_ TestCase {
     return test_info->should_run() && test_info->result()->Passed();
   }
 
+  // Returns true iff test skipped.
+  static bool TestSkipped(const TestInfo* test_info) {
+    return test_info->should_run() && test_info->result()->Skipped();
+  }
+
   // Returns true iff test failed.
   static bool TestFailed(const TestInfo* test_info) {
     return test_info->should_run() && test_info->result()->Failed();
@@ -1258,6 +1272,9 @@ class GTEST_API_ UnitTest {
   // Gets the number of successful tests.
   int successful_test_count() const;
 
+  // Gets the number of skipped tests.
+  int skipped_test_count() const;
+
   // Gets the number of failed tests.
   int failed_test_count() const;
 
@@ -1835,6 +1852,11 @@ class TestWithParam : public Test, public WithParamInterface<T> {
 
 // Macros for indicating success/failure in test code.
 
+// Skips test in runtime.
+// Skipping test aborts current function.
+// Skipped tests are neither successful nor failed.
+#define GTEST_SKIP() GTEST_SKIP_("Skipped")
+
 // ADD_FAILURE unconditionally adds a failure to the current test.
 // SUCCEED generates a success - it doesn't automatically make the
 // current test successful, as a test is only successful when it has
diff --git contrib/googletest/googletest/include/gtest/internal/gtest-internal.h contrib/googletest/googletest/include/gtest/internal/gtest-internal.h
index b762f61fc53c..380a11c4515d 100644
--- contrib/googletest/googletest/include/gtest/internal/gtest-internal.h
+++ contrib/googletest/googletest/include/gtest/internal/gtest-internal.h
@@ -1208,7 +1208,10 @@ class NativeArray {
 #define GTEST_SUCCESS_(message) \
   GTEST_MESSAGE_(message, ::testing::TestPartResult::kSuccess)
 
-// Suppress MSVC warning 4702 (unreachable code) for the code following
+#define GTEST_SKIP_(message) \
+  return GTEST_MESSAGE_(message, ::testing::TestPartResult::kSkip)
+
+// Suppress MSVC warning 4072 (unreachable code) for the code following
 // statement if it returns or throws (or doesn't return or throw in some
 // situations).
 #define GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement) \
diff --git contrib/googletest/googletest/src/gtest-internal-inl.h contrib/googletest/googletest/src/gtest-internal-inl.h
index 479004149b48..f79b1ad0420d 100644
--- contrib/googletest/googletest/src/gtest-internal-inl.h
+++ contrib/googletest/googletest/src/gtest-internal-inl.h
@@ -544,6 +544,9 @@ class GTEST_API_ UnitTestImpl {
   // Gets the number of successful tests.
   int successful_test_count() const;
 
+  // Gets the number of skipped tests.
+  int skipped_test_count() const;
+
   // Gets the number of failed tests.
   int failed_test_count() const;
 
diff --git contrib/googletest/googletest/src/gtest-test-part.cc contrib/googletest/googletest/src/gtest-test-part.cc
index c88860d92385..2855e3e95e6e 100644
--- contrib/googletest/googletest/src/gtest-test-part.cc
+++ contrib/googletest/googletest/src/gtest-test-part.cc
@@ -47,12 +47,16 @@ std::string TestPartResult::ExtractSummary(const char* message) {
 
 // Prints a TestPartResult object.
 std::ostream& operator<<(std::ostream& os, const TestPartResult& result) {
-  return os
-      << result.file_name() << ":" << result.line_number() << ": "
-      << (result.type() == TestPartResult::kSuccess ? "Success" :
-          result.type() == TestPartResult::kFatalFailure ? "Fatal failure" :
-          "Non-fatal failure") << ":\n"
-      << result.message() << std::endl;
+  return os << result.file_name() << ":" << result.line_number() << ": "
+            << (result.type() == TestPartResult::kSuccess
+                    ? "Success"
+                    : result.type() == TestPartResult::kSkip
+                          ? "Skipped"
+                          : result.type() == TestPartResult::kFatalFailure
+                                ? "Fatal failure"
+                                : "Non-fatal failure")
+            << ":\n"
+            << result.message() << std::endl;
 }
 
 // Appends a TestPartResult to the array.
diff --git contrib/googletest/googletest/src/gtest.cc contrib/googletest/googletest/src/gtest.cc
index 96b07c68abb0..e8864d53c203 100644
--- contrib/googletest/googletest/src/gtest.cc
+++ contrib/googletest/googletest/src/gtest.cc
@@ -796,6 +796,11 @@ int UnitTestImpl::successful_test_count() const {
   return SumOverTestCaseList(test_cases_, &TestCase::successful_test_count);
 }
 
+// Gets the number of skipped tests.
+int UnitTestImpl::skipped_test_count() const {
+  return SumOverTestCaseList(test_cases_, &TestCase::skipped_test_count);
+}
+
 // Gets the number of failed tests.
 int UnitTestImpl::failed_test_count() const {
   return SumOverTestCaseList(test_cases_, &TestCase::failed_test_count);
@@ -2207,6 +2212,16 @@ void TestResult::Clear() {
   elapsed_time_ = 0;
 }
 
+// Returns true off the test part was skipped.
+static bool TestPartSkipped(const TestPartResult& result) {
+  return result.skipped();
+}
+
+// Returns true iff the test was skipped.
+bool TestResult::Skipped() const {
+  return !Failed() && CountIf(test_part_results_, TestPartSkipped) > 0;
+}
+
 // Returns true iff the test failed.
 bool TestResult::Failed() const {
   for (int i = 0; i < total_part_count(); ++i) {
@@ -2511,8 +2526,9 @@ void Test::Run() {
   internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
   impl->os_stack_trace_getter()->UponLeavingGTest();
   internal::HandleExceptionsInMethodIfSupported(this, &Test::SetUp, "SetUp()");
-  // We will run the test only if SetUp() was successful.
-  if (!HasFatalFailure()) {
+  // We will run the test only if SetUp() was successful and didn't call
+  // GTEST_SKIP().
+  if (!HasFatalFailure() && !IsSkipped()) {
     impl->os_stack_trace_getter()->UponLeavingGTest();
     internal::HandleExceptionsInMethodIfSupported(
         this, &Test::TestBody, "the test body");
@@ -2537,6 +2553,11 @@ bool Test::HasNonfatalFailure() {
       HasNonfatalFailure();
 }
 
+// Returns true iff the current test was skipped.
+bool Test::IsSkipped() {
+  return internal::GetUnitTestImpl()->current_test_result()->Skipped();
+}
+
 // class TestInfo
 
 // Constructs a TestInfo object. It assumes ownership of the test factory
@@ -2685,9 +2706,10 @@ void TestInfo::Run() {
       factory_, &internal::TestFactoryBase::CreateTest,
       "the test fixture's constructor");
 
-  // Runs the test if the constructor didn't generate a fatal failure.
+  // Runs the test if the constructor didn't generate a fatal failure or invoke
+  // GTEST_SKIP().
   // Note that the object will not be null
-  if (!Test::HasFatalFailure()) {
+  if (!Test::HasFatalFailure() && !Test::IsSkipped()) {
     // This doesn't throw as all user code that can throw are wrapped into
     // exception handling code.
     test->Run();
@@ -2715,6 +2737,11 @@ int TestCase::successful_test_count() const {
   return CountIf(test_info_list_, TestPassed);
 }
 
+// Gets the number of successful tests in this test case.
+int TestCase::skipped_test_count() const {
+  return CountIf(test_info_list_, TestSkipped);
+}
+
 // Gets the number of failed tests in this test case.
 int TestCase::failed_test_count() const {
   return CountIf(test_info_list_, TestFailed);
@@ -2866,6 +2893,8 @@ static std::string FormatTestCaseCount(int test_case_count) {
 // between the two when viewing the test result.
 static const char * TestPartResultTypeToString(TestPartResult::Type type) {
   switch (type) {
+    case TestPartResult::kSkip:
+      return "Skipped";
     case TestPartResult::kSuccess:
       return "Success";
 
@@ -3119,6 +3148,7 @@ class PrettyUnitTestResultPrinter : public TestEventListener {
 
  private:
   static void PrintFailedTests(const UnitTest& unit_test);
+  static void PrintSkippedTests(const UnitTest& unit_test);
 };
 
   // Fired before each iteration of tests starts.
@@ -3187,18 +3217,25 @@ void PrettyUnitTestResultPrinter::OnTestStart(const TestInfo& test_info) {
 // Called after an assertion failure.
 void PrettyUnitTestResultPrinter::OnTestPartResult(
     const TestPartResult& result) {
-  // If the test part succeeded, we don't need to do anything.
-  if (result.type() == TestPartResult::kSuccess)
-    return;
-
-  // Print failure message from the assertion (e.g. expected this and got that).
-  PrintTestPartResult(result);
-  fflush(stdout);
+  switch (result.type()) {
+    // If the test part succeeded, or was skipped,
+    // we don't need to do anything.
+    case TestPartResult::kSkip:
+    case TestPartResult::kSuccess:
+      return;
+    default:
+      // Print failure message from the assertion
+      // (e.g. expected this and got that).
+      PrintTestPartResult(result);
+      fflush(stdout);
+  }
 }
 
 void PrettyUnitTestResultPrinter::OnTestEnd(const TestInfo& test_info) {
   if (test_info.result()->Passed()) {
     ColoredPrintf(COLOR_GREEN, "[       OK ] ");
+  } else if (test_info.result()->Skipped()) {
+    ColoredPrintf(COLOR_GREEN, "[  SKIPPED ] ");
   } else {
     ColoredPrintf(COLOR_RED, "[  FAILED  ] ");
   }
@@ -3248,7 +3285,7 @@ void PrettyUnitTestResultPrinter::PrintFailedTests(const UnitTest& unit_test) {
     }
     for (int j = 0; j < test_case.total_test_count(); ++j) {
       const TestInfo& test_info = *test_case.GetTestInfo(j);
-      if (!test_info.should_run() || test_info.result()->Passed()) {
+      if (!test_info.should_run() || !test_info.result()->Failed()) {
         continue;
       }
       ColoredPrintf(COLOR_RED, "[  FAILED  ] ");
@@ -3259,6 +3296,30 @@ void PrettyUnitTestResultPrinter::PrintFailedTests(const UnitTest& unit_test) {
   }
 }
 
+// Internal helper for printing the list of skipped tests.
+void PrettyUnitTestResultPrinter::PrintSkippedTests(const UnitTest& unit_test) {
+  const int skipped_test_count = unit_test.skipped_test_count();
+  if (skipped_test_count == 0) {
+    return;
+  }
+
+  for (int i = 0; i < unit_test.total_test_case_count(); ++i) {
+    const TestCase& test_case = *unit_test.GetTestCase(i);
+    if (!test_case.should_run() || (test_case.skipped_test_count() == 0)) {
+      continue;
+    }
+    for (int j = 0; j < test_case.total_test_count(); ++j) {
+      const TestInfo& test_info = *test_case.GetTestInfo(j);
+      if (!test_info.should_run() || !test_info.result()->Skipped()) {
+        continue;
+      }
+      ColoredPrintf(COLOR_GREEN, "[  SKIPPED ] ");
+      printf("%s.%s", test_case.name(), test_info.name());
+      printf("\n");
+    }
+  }
+}
+
 void PrettyUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
                                                      int /*iteration*/) {
   ColoredPrintf(COLOR_GREEN,  "[==========] ");
@@ -3273,6 +3334,13 @@ void PrettyUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
   ColoredPrintf(COLOR_GREEN,  "[  PASSED  ] ");
   printf("%s.\n", FormatTestCount(unit_test.successful_test_count()).c_str());
 
+  const int skipped_test_count = unit_test.skipped_test_count();
+  if (skipped_test_count > 0) {
+    ColoredPrintf(COLOR_GREEN, "[  SKIPPED ] ");
+    printf("%s, listed below:\n", FormatTestCount(skipped_test_count).c_str());
+    PrintSkippedTests(unit_test);
+  }
+
   int num_failures = unit_test.failed_test_count();
   if (!unit_test.Passed()) {
     const int failed_test_count = unit_test.failed_test_count();
@@ -4540,6 +4608,11 @@ int UnitTest::successful_test_count() const {
   return impl()->successful_test_count();
 }
 
+// Gets the number of skipped tests.
+int UnitTest::skipped_test_count() const {
+  return impl()->skipped_test_count();
+}
+
 // Gets the number of failed tests.
 int UnitTest::failed_test_count() const { return impl()->failed_test_count(); }
 
@@ -4660,7 +4733,8 @@ void UnitTest::AddTestPartResult(
   impl_->GetTestPartResultReporterForCurrentThread()->
       ReportTestPartResult(result);
 
-  if (result_type != TestPartResult::kSuccess) {
+  if (result_type != TestPartResult::kSuccess &&
+      result_type != TestPartResult::kSkip) {
     // gtest_break_on_failure takes precedence over
     // gtest_throw_on_failure.  This allows a user to set the latter
     // in the code (perhaps in order to use Google Test assertions
diff --git contrib/googletest/googletest/test/googletest-test-part-test.cc contrib/googletest/googletest/test/googletest-test-part-test.cc
index cd2d6f9e858f..8c9459e18aa7 100644
--- contrib/googletest/googletest/test/googletest-test-part-test.cc
+++ contrib/googletest/googletest/test/googletest-test-part-test.cc
@@ -46,9 +46,10 @@ class TestPartResultTest : public Test {
   TestPartResultTest()
       : r1_(TestPartResult::kSuccess, "foo/bar.cc", 10, "Success!"),
         r2_(TestPartResult::kNonFatalFailure, "foo/bar.cc", -1, "Failure!"),
-        r3_(TestPartResult::kFatalFailure, NULL, -1, "Failure!") {}
+        r3_(TestPartResult::kFatalFailure, nullptr, -1, "Failure!"),
+        r4_(TestPartResult::kSkip, "foo/bar.cc", 2, "Skipped!") {}
 
-  TestPartResult r1_, r2_, r3_;
+  TestPartResult r1_, r2_, r3_, r4_;
 };
 
 
@@ -79,6 +80,7 @@ TEST_F(TestPartResultTest, ResultAccessorsWork) {
   EXPECT_FALSE(success.failed());
   EXPECT_FALSE(success.nonfatally_failed());
   EXPECT_FALSE(success.fatally_failed());
+  EXPECT_FALSE(success.skipped());
 
   const TestPartResult nonfatal_failure(TestPartResult::kNonFatalFailure,
                                         "file.cc",
@@ -88,6 +90,7 @@ TEST_F(TestPartResultTest, ResultAccessorsWork) {
   EXPECT_TRUE(nonfatal_failure.failed());
   EXPECT_TRUE(nonfatal_failure.nonfatally_failed());
   EXPECT_FALSE(nonfatal_failure.fatally_failed());
+  EXPECT_FALSE(nonfatal_failure.skipped());
 
   const TestPartResult fatal_failure(TestPartResult::kFatalFailure,
                                      "file.cc",
@@ -97,6 +100,14 @@ TEST_F(TestPartResultTest, ResultAccessorsWork) {
   EXPECT_TRUE(fatal_failure.failed());
   EXPECT_FALSE(fatal_failure.nonfatally_failed());
   EXPECT_TRUE(fatal_failure.fatally_failed());
+  EXPECT_FALSE(fatal_failure.skipped());
+
+  const TestPartResult skip(TestPartResult::kSkip, "file.cc", 42, "message");
+  EXPECT_FALSE(skip.passed());
+  EXPECT_FALSE(skip.failed());
+  EXPECT_FALSE(skip.nonfatally_failed());
+  EXPECT_FALSE(skip.fatally_failed());
+  EXPECT_TRUE(skip.skipped());
 }
 
 // Tests TestPartResult::type().
@@ -104,23 +115,27 @@ TEST_F(TestPartResultTest, type) {
   EXPECT_EQ(TestPartResult::kSuccess, r1_.type());
   EXPECT_EQ(TestPartResult::kNonFatalFailure, r2_.type());
   EXPECT_EQ(TestPartResult::kFatalFailure, r3_.type());
+  EXPECT_EQ(TestPartResult::kSkip, r4_.type());
 }
 
 // Tests TestPartResult::file_name().
 TEST_F(TestPartResultTest, file_name) {
   EXPECT_STREQ("foo/bar.cc", r1_.file_name());
   EXPECT_STREQ(NULL, r3_.file_name());
+  EXPECT_STREQ("foo/bar.cc", r4_.file_name());
 }
 
 // Tests TestPartResult::line_number().
 TEST_F(TestPartResultTest, line_number) {
   EXPECT_EQ(10, r1_.line_number());
   EXPECT_EQ(-1, r2_.line_number());
+  EXPECT_EQ(2, r4_.line_number());
 }
 
 // Tests TestPartResult::message().
 TEST_F(TestPartResultTest, message) {
   EXPECT_STREQ("Success!", r1_.message());
+  EXPECT_STREQ("Skipped!", r4_.message());
 }
 
 // Tests TestPartResult::passed().
@@ -128,6 +143,7 @@ TEST_F(TestPartResultTest, Passed) {
   EXPECT_TRUE(r1_.passed());
   EXPECT_FALSE(r2_.passed());
   EXPECT_FALSE(r3_.passed());
+  EXPECT_FALSE(r4_.passed());
 }
 
 // Tests TestPartResult::failed().
@@ -135,6 +151,15 @@ TEST_F(TestPartResultTest, Failed) {
   EXPECT_FALSE(r1_.failed());
   EXPECT_TRUE(r2_.failed());
   EXPECT_TRUE(r3_.failed());
+  EXPECT_FALSE(r4_.failed());
+}
+
+// Tests TestPartResult::failed().
+TEST_F(TestPartResultTest, Skipped) {
+  EXPECT_FALSE(r1_.skipped());
+  EXPECT_FALSE(r2_.skipped());
+  EXPECT_FALSE(r3_.skipped());
+  EXPECT_TRUE(r4_.skipped());
 }
 
 // Tests TestPartResult::fatally_failed().
@@ -142,6 +167,7 @@ TEST_F(TestPartResultTest, FatallyFailed) {
   EXPECT_FALSE(r1_.fatally_failed());
   EXPECT_FALSE(r2_.fatally_failed());
   EXPECT_TRUE(r3_.fatally_failed());
+  EXPECT_FALSE(r4_.fatally_failed());
 }
 
 // Tests TestPartResult::nonfatally_failed().
@@ -149,6 +175,7 @@ TEST_F(TestPartResultTest, NonfatallyFailed) {
   EXPECT_FALSE(r1_.nonfatally_failed());
   EXPECT_TRUE(r2_.nonfatally_failed());
   EXPECT_FALSE(r3_.nonfatally_failed());
+  EXPECT_FALSE(r4_.nonfatally_failed());
 }
 
 // Tests the TestPartResultArray class.
diff --git contrib/googletest/googletest/test/gtest_all_test.cc contrib/googletest/googletest/test/gtest_all_test.cc
index e61e36b1dfe8..f948a104ff0b 100644
--- contrib/googletest/googletest/test/gtest_all_test.cc
+++ contrib/googletest/googletest/test/gtest_all_test.cc
@@ -37,10 +37,11 @@
 #include "test/googletest-message-test.cc"
 #include "test/googletest-options-test.cc"
 #include "test/googletest-port-test.cc"
-#include "test/gtest_pred_impl_unittest.cc"
-#include "test/gtest_prod_test.cc"
 #include "test/googletest-test-part-test.cc"
-#include "test/gtest-typed-test_test.cc"
 #include "test/gtest-typed-test2_test.cc"
+#include "test/gtest-typed-test_test.cc"
+#include "test/gtest_pred_impl_unittest.cc"
+#include "test/gtest_prod_test.cc"
+#include "test/gtest_skip_test.cc"
 #include "test/gtest_unittest.cc"
 #include "test/production.cc"
diff --git contrib/googletest/googletest/test/gtest_skip_test.cc contrib/googletest/googletest/test/gtest_skip_test.cc
new file mode 100644
index 000000000000..717e105e2e07
--- /dev/null
+++ contrib/googletest/googletest/test/gtest_skip_test.cc
@@ -0,0 +1,55 @@
+// Copyright 2008 Google Inc.
+// All Rights Reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Author: arseny.aprelev@gmail.com (Arseny Aprelev)
+//
+
+#include "gtest/gtest.h"
+
+using ::testing::Test;
+
+TEST(SkipTest, DoesSkip) {
+  GTEST_SKIP();
+  EXPECT_EQ(0, 1);
+}
+
+class Fixture : public Test {
+ protected:
+  void SetUp() override {
+    GTEST_SKIP() << "skipping all tests for this fixture";
+  }
+};
+
+TEST_F(Fixture, SkipsOneTest) {
+  EXPECT_EQ(5, 7);
+}
+
+TEST_F(Fixture, SkipsAnotherTest) {
+  EXPECT_EQ(99, 100);
+}
diff --git contrib/llvm/tools/clang/lib/Basic/Version.cpp contrib/llvm/tools/clang/lib/Basic/Version.cpp
index 1d594b974189..a15c60e0f55c 100644
--- contrib/llvm/tools/clang/lib/Basic/Version.cpp
+++ contrib/llvm/tools/clang/lib/Basic/Version.cpp
@@ -36,7 +36,7 @@ std::string getClangRepositoryPath() {
 
   // If the SVN_REPOSITORY is empty, try to use the SVN keyword. This helps us
   // pick up a tag in an SVN export, for example.
-  StringRef SVNRepository("$URL: https://llvm.org/svn/llvm-project/cfe/branches/release_80/lib/Basic/Version.cpp $");
+  StringRef SVNRepository("$URL: https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_800/final/lib/Basic/Version.cpp $");
   if (URL.empty()) {
     URL = SVNRepository.slice(SVNRepository.find(':'),
                               SVNRepository.find("/lib/Basic"));
diff --git contrib/llvm/tools/lld/ELF/Config.h contrib/llvm/tools/lld/ELF/Config.h
index fb29396926bf..e8bb6bf70ee0 100644
--- contrib/llvm/tools/lld/ELF/Config.h
+++ contrib/llvm/tools/lld/ELF/Config.h
@@ -122,6 +122,7 @@ struct Configuration {
                   uint64_t>
       CallGraphProfile;
   bool AllowMultipleDefinition;
+  bool AllowShlibUndefined;
   bool AndroidPackDynRelocs;
   bool ARMHasBlx = false;
   bool ARMHasMovtMovw = false;
diff --git contrib/llvm/tools/lld/ELF/Driver.cpp contrib/llvm/tools/lld/ELF/Driver.cpp
index 407f1734f143..3e565bcb8732 100644
--- contrib/llvm/tools/lld/ELF/Driver.cpp
+++ contrib/llvm/tools/lld/ELF/Driver.cpp
@@ -758,6 +758,9 @@ void LinkerDriver::readConfigs(opt::InputArgList &Args) {
       Args.hasFlag(OPT_allow_multiple_definition,
                    OPT_no_allow_multiple_definition, false) ||
       hasZOption(Args, "muldefs");
+  Config->AllowShlibUndefined =
+      Args.hasFlag(OPT_allow_shlib_undefined, OPT_no_allow_shlib_undefined,
+                   Args.hasArg(OPT_shared));
   Config->AuxiliaryList = args::getStrings(Args, OPT_auxiliary);
   Config->Bsymbolic = Args.hasArg(OPT_Bsymbolic);
   Config->BsymbolicFunctions = Args.hasArg(OPT_Bsymbolic_functions);
diff --git contrib/llvm/tools/lld/ELF/InputFiles.cpp contrib/llvm/tools/lld/ELF/InputFiles.cpp
index bc7e61072e64..c5922d3155d9 100644
--- contrib/llvm/tools/lld/ELF/InputFiles.cpp
+++ contrib/llvm/tools/lld/ELF/InputFiles.cpp
@@ -865,7 +865,7 @@ SharedFile<ELFT>::SharedFile(MemoryBufferRef M, StringRef DefaultSoName)
 
 // Partially parse the shared object file so that we can call
 // getSoName on this object.
-template <class ELFT> void SharedFile<ELFT>::parseSoName() {
+template <class ELFT> void SharedFile<ELFT>::parseDynamic() {
   const Elf_Shdr *DynamicSec = nullptr;
   const ELFFile<ELFT> Obj = this->getObj();
   ArrayRef<Elf_Shdr> Sections = CHECK(Obj.sections(), this);
@@ -902,12 +902,16 @@ template <class ELFT> void SharedFile<ELFT>::parseSoName() {
   ArrayRef<Elf_Dyn> Arr =
       CHECK(Obj.template getSectionContentsAsArray<Elf_Dyn>(DynamicSec), this);
   for (const Elf_Dyn &Dyn : Arr) {
-    if (Dyn.d_tag == DT_SONAME) {
+    if (Dyn.d_tag == DT_NEEDED) {
+      uint64_t Val = Dyn.getVal();
+      if (Val >= this->StringTable.size())
+        fatal(toString(this) + ": invalid DT_NEEDED entry");
+      DtNeeded.push_back(this->StringTable.data() + Val);
+    } else if (Dyn.d_tag == DT_SONAME) {
       uint64_t Val = Dyn.getVal();
       if (Val >= this->StringTable.size())
         fatal(toString(this) + ": invalid DT_SONAME entry");
       SoName = this->StringTable.data() + Val;
-      return;
     }
   }
 }
@@ -975,7 +979,7 @@ uint32_t SharedFile<ELFT>::getAlignment(ArrayRef<Elf_Shdr> Sections,
   return (Ret > UINT32_MAX) ? 0 : Ret;
 }
 
-// Fully parse the shared object file. This must be called after parseSoName().
+// Fully parse the shared object file. This must be called after parseDynamic().
 //
 // This function parses symbol versions. If a DSO has version information,
 // the file has a ".gnu.version_d" section which contains symbol version
diff --git contrib/llvm/tools/lld/ELF/InputFiles.h contrib/llvm/tools/lld/ELF/InputFiles.h
index d7cbbc67a365..db9097fb868e 100644
--- contrib/llvm/tools/lld/ELF/InputFiles.h
+++ contrib/llvm/tools/lld/ELF/InputFiles.h
@@ -323,6 +323,7 @@ template <class ELFT> class SharedFile : public ELFFileBase<ELFT> {
 
 public:
   std::vector<const Elf_Verdef *> Verdefs;
+  std::vector<StringRef> DtNeeded;
   std::string SoName;
 
   static bool classof(const InputFile *F) {
@@ -331,7 +332,7 @@ public:
 
   SharedFile(MemoryBufferRef M, StringRef DefaultSoName);
 
-  void parseSoName();
+  void parseDynamic();
   void parseRest();
   uint32_t getAlignment(ArrayRef<Elf_Shdr> Sections, const Elf_Sym &Sym);
   std::vector<const Elf_Verdef *> parseVerdefs();
@@ -349,6 +350,9 @@ public:
   // data structures in the output file.
   std::map<const Elf_Verdef *, NeededVer> VerdefMap;
 
+  // Used for --no-allow-shlib-undefined.
+  bool AllNeededIsKnown;
+
   // Used for --as-needed
   bool IsNeeded;
 };
diff --git contrib/llvm/tools/lld/ELF/Options.td contrib/llvm/tools/lld/ELF/Options.td
index 439fe341644c..3a19b230780a 100644
--- contrib/llvm/tools/lld/ELF/Options.td
+++ contrib/llvm/tools/lld/ELF/Options.td
@@ -63,6 +63,10 @@ defm allow_multiple_definition: B<"allow-multiple-definition",
     "Allow multiple definitions",
     "Do not allow multiple definitions (default)">;
 
+defm allow_shlib_undefined: B<"allow-shlib-undefined",
+    "Allow unresolved references in shared libraries (default when linking a shared library)",
+    "Do not allow unresolved references in shared libraries (default when linking an executable)">;
+
 defm apply_dynamic_relocs: B<"apply-dynamic-relocs",
     "Apply link-time values for dynamic relocations",
     "Do not apply link-time values for dynamic relocations (default)">;
@@ -492,12 +496,10 @@ def plugin_opt_thinlto: J<"plugin-opt=thinlto">;
 def plugin_opt_slash: J<"plugin-opt=/">;
 
 // Options listed below are silently ignored for now for compatibility.
-def: F<"allow-shlib-undefined">;
 def: F<"detect-odr-violations">;
 def: Flag<["-"], "g">;
 def: F<"long-plt">;
 def: F<"no-add-needed">;
-def: F<"no-allow-shlib-undefined">;
 def: F<"no-copy-dt-needed-entries">;
 def: F<"no-ctors-in-init-array">;
 def: F<"no-keep-memory">;
diff --git contrib/llvm/tools/lld/ELF/SymbolTable.cpp contrib/llvm/tools/lld/ELF/SymbolTable.cpp
index 7615e12199fa..bf1bf4511e96 100644
--- contrib/llvm/tools/lld/ELF/SymbolTable.cpp
+++ contrib/llvm/tools/lld/ELF/SymbolTable.cpp
@@ -93,7 +93,7 @@ template <class ELFT> void SymbolTable::addFile(InputFile *File) {
   // .so file
   if (auto *F = dyn_cast<SharedFile<ELFT>>(File)) {
     // DSOs are uniquified not by filename but by soname.
-    F->parseSoName();
+    F->parseDynamic();
     if (errorCount())
       return;
 
diff --git contrib/llvm/tools/lld/ELF/SymbolTable.h contrib/llvm/tools/lld/ELF/SymbolTable.h
index 898185fc9612..675a4915598f 100644
--- contrib/llvm/tools/lld/ELF/SymbolTable.h
+++ contrib/llvm/tools/lld/ELF/SymbolTable.h
@@ -80,6 +80,9 @@ public:
 
   void handleDynamicList();
 
+  // Set of .so files to not link the same shared object file more than once.
+  llvm::DenseMap<StringRef, InputFile *> SoNames;
+
 private:
   std::pair<Symbol *, bool> insertName(StringRef Name);
 
@@ -107,9 +110,6 @@ private:
   // is used to uniquify them.
   llvm::DenseSet<llvm::CachedHashStringRef> ComdatGroups;
 
-  // Set of .so files to not link the same shared object file more than once.
-  llvm::DenseMap<StringRef, InputFile *> SoNames;
-
   // A map from demangled symbol names to their symbol objects.
   // This mapping is 1:N because two symbols with different versions
   // can have the same name. We use this map to handle "extern C++ {}"
diff --git contrib/llvm/tools/lld/ELF/Writer.cpp contrib/llvm/tools/lld/ELF/Writer.cpp
index 5c987ca5a813..dcabf52e64f3 100644
--- contrib/llvm/tools/lld/ELF/Writer.cpp
+++ contrib/llvm/tools/lld/ELF/Writer.cpp
@@ -1668,6 +1668,27 @@ template <class ELFT> void Writer<ELFT>::finalizeSections() {
   if (In.Iplt && !In.Iplt->empty())
     In.Iplt->addSymbols();
 
+  if (!Config->AllowShlibUndefined) {
+    // Error on undefined symbols in a shared object, if all of its DT_NEEDED
+    // entires are seen. These cases would otherwise lead to runtime errors
+    // reported by the dynamic linker.
+    //
+    // ld.bfd traces all DT_NEEDED to emulate the logic of the dynamic linker to
+    // catch more cases. That is too much for us. Our approach resembles the one
+    // used in ld.gold, achieves a good balance to be useful but not too smart.
+    for (InputFile *File : SharedFiles) {
+      SharedFile<ELFT> *F = cast<SharedFile<ELFT>>(File);
+      F->AllNeededIsKnown = llvm::all_of(F->DtNeeded, [&](StringRef Needed) {
+        return Symtab->SoNames.count(Needed);
+      });
+    }
+    for (Symbol *Sym : Symtab->getSymbols())
+      if (Sym->isUndefined() && !Sym->isWeak())
+        if (auto *F = dyn_cast_or_null<SharedFile<ELFT>>(Sym->File))
+          if (F->AllNeededIsKnown)
+            error(toString(F) + ": undefined reference to " + toString(*Sym));
+  }
+
   // Now that we have defined all possible global symbols including linker-
   // synthesized ones. Visit all symbols to give the finishing touches.
   for (Symbol *Sym : Symtab->getSymbols()) {
diff --git contrib/llvm/tools/lld/docs/ld.lld.1 contrib/llvm/tools/lld/docs/ld.lld.1
index 04bf19d6b23c..6fd746f030dd 100644
--- contrib/llvm/tools/lld/docs/ld.lld.1
+++ contrib/llvm/tools/lld/docs/ld.lld.1
@@ -56,6 +56,9 @@ option.
 .It Fl -allow-multiple-definition
 Do not error if a symbol is defined multiple times.
 The first definition will be used.
+.It Fl -allow-shlib-undefined
+Allow unresolved references in shared libraries.
+This option is enabled by default when linking a shared library.
 .It Fl -apply-dynamic-relocs
 Apply link-time values for dynamic relocations.
 .It Fl -as-needed
@@ -252,6 +255,9 @@ Set target emulation.
 .It Fl -Map Ns = Ns Ar file , Fl M Ar file
 Print a link map to
 .Ar file .
+.It Fl -no-allow-shlib-undefined
+Do not allow unresolved references in shared libraries.
+This option is enabled by default when linking an executable.
 .It Fl -no-as-needed
 Always set
 .Dv DT_NEEDED
diff --git lib/clang/include/clang/Basic/Version.inc lib/clang/include/clang/Basic/Version.inc
index 5ff159c94ceb..4f0b7700f434 100644
--- lib/clang/include/clang/Basic/Version.inc
+++ lib/clang/include/clang/Basic/Version.inc
@@ -8,4 +8,4 @@
 
 #define	CLANG_VENDOR			"FreeBSD "
 
-#define	SVN_REVISION			"356034"
+#define	SVN_REVISION			"356365"
diff --git lib/clang/include/lld/Common/Version.inc lib/clang/include/lld/Common/Version.inc
index 595c4d5e42b2..67dc3ea96718 100644
--- lib/clang/include/lld/Common/Version.inc
+++ lib/clang/include/lld/Common/Version.inc
@@ -7,4 +7,4 @@
 
 #define LLD_REPOSITORY_STRING "FreeBSD"
 // <Upstream revision at import>-<Local identifier in __FreeBSD_version style>
-#define LLD_REVISION_STRING "356034-1300002"
+#define LLD_REVISION_STRING "356365-1300003"
diff --git lib/clang/include/llvm/Support/VCSRevision.h lib/clang/include/llvm/Support/VCSRevision.h
index cbadec6dbc23..8faf47acd038 100644
--- lib/clang/include/llvm/Support/VCSRevision.h
+++ lib/clang/include/llvm/Support/VCSRevision.h
@@ -1,2 +1,2 @@
 /* $FreeBSD$ */
-#define LLVM_REVISION "svn-r356034"
+#define LLVM_REVISION "svn-r356365"
diff --git lib/googletest/gtest_main/tests/Makefile lib/googletest/gtest_main/tests/Makefile
index 60ec30579b55..d7399ebaad4d 100644
--- lib/googletest/gtest_main/tests/Makefile
+++ lib/googletest/gtest_main/tests/Makefile
@@ -18,6 +18,7 @@ GTESTS+=	gtest_prod_test
 GTESTS+=	gtest_sole_header_test
 GTESTS+=	googletest-test-part-test
 GTESTS+=	gtest-typed-test_test
+GTESTS+=	gtest_skip_test
 GTESTS+=	gtest_unittest
 
 CXXFLAGS+=	-I${GOOGLETEST_SRCROOT}/include
diff --git lib/libjail/jail.c lib/libjail/jail.c
index dc7fdf1479bd..ad05f5273f2c 100644
--- lib/libjail/jail.c
+++ lib/libjail/jail.c
@@ -1050,14 +1050,8 @@ kldload_param(const char *name)
 		kl = kldload(name);
 	else if (strncmp(name, "allow.mount.", 12) == 0) {
 		/* Load the matching filesystem */
-		const char *modname;
+		const char *modname = name + 12;
 
-		if (strcmp("fusefs", name + 12) == 0 ||
-		    strcmp("nofusefs", name + 12) == 0) {
-			modname = "fuse";
-		} else {
-			modname = name + 12;
-		}
 		kl = kldload(modname);
 		if (kl < 0 && errno == ENOENT &&
 		    strncmp(modname, "no", 2) == 0)
diff --git sbin/mount_fusefs/mount_fusefs.c sbin/mount_fusefs/mount_fusefs.c
index 2dd2dcafb828..087df356dece 100644
--- sbin/mount_fusefs/mount_fusefs.c
+++ sbin/mount_fusefs/mount_fusefs.c
@@ -501,7 +501,7 @@ init_backgrounded(void)
 
 	len = sizeof(ibg);
 
-	if (sysctlbyname("vfs.fuse.init_backgrounded", &ibg, &len, NULL, 0))
+	if (sysctlbyname("vfs.fusefs.init_backgrounded", &ibg, &len, NULL, 0))
 		return (0);
 
 	return (ibg);
diff --git sys/conf/NOTES sys/conf/NOTES
index fe95adeeb27d..ba735d9a7c04 100644
--- sys/conf/NOTES
+++ sys/conf/NOTES
@@ -1071,7 +1071,7 @@ options 	NFSCL			#Network File System client
 options 	AUTOFS			#Automounter filesystem
 options 	CD9660			#ISO 9660 filesystem
 options 	FDESCFS			#File descriptor filesystem
-options 	FUSE			#FUSE support module
+options 	FUSEFS			#FUSEFS support module
 options 	MSDOSFS			#MS DOS File System (FAT, FAT32)
 options 	NFSLOCKD		#Network Lock Manager
 options 	NFSD			#Network Filesystem Server
diff --git sys/conf/files sys/conf/files
index 8c1faabee60b..3448c71920b6 100644
--- sys/conf/files
+++ sys/conf/files
@@ -3494,15 +3494,15 @@ fs/fdescfs/fdesc_vfsops.c	optional fdescfs
 fs/fdescfs/fdesc_vnops.c	optional fdescfs
 fs/fifofs/fifo_vnops.c		standard
 fs/cuse/cuse.c			optional cuse
-fs/fuse/fuse_device.c		optional fuse
-fs/fuse/fuse_file.c		optional fuse
-fs/fuse/fuse_internal.c		optional fuse
-fs/fuse/fuse_io.c		optional fuse
-fs/fuse/fuse_ipc.c		optional fuse
-fs/fuse/fuse_main.c		optional fuse
-fs/fuse/fuse_node.c		optional fuse
-fs/fuse/fuse_vfsops.c		optional fuse
-fs/fuse/fuse_vnops.c		optional fuse
+fs/fuse/fuse_device.c		optional fusefs
+fs/fuse/fuse_file.c		optional fusefs
+fs/fuse/fuse_internal.c		optional fusefs
+fs/fuse/fuse_io.c		optional fusefs
+fs/fuse/fuse_ipc.c		optional fusefs
+fs/fuse/fuse_main.c		optional fusefs
+fs/fuse/fuse_node.c		optional fusefs
+fs/fuse/fuse_vfsops.c		optional fusefs
+fs/fuse/fuse_vnops.c		optional fusefs
 fs/msdosfs/msdosfs_conv.c	optional msdosfs
 fs/msdosfs/msdosfs_denode.c	optional msdosfs
 fs/msdosfs/msdosfs_fat.c	optional msdosfs
diff --git sys/conf/kern.post.mk sys/conf/kern.post.mk
index 5a0dcb6e1ee0..ebb437a6a6ed 100644
--- sys/conf/kern.post.mk
+++ sys/conf/kern.post.mk
@@ -140,6 +140,8 @@ kernel-obj:
 
 .if !defined(NO_MODULES)
 modules: modules-all
+modules-depend: beforebuild
+modules-all: beforebuild
 
 .if !defined(NO_MODULES_OBJ)
 modules-all modules-depend: modules-obj
@@ -328,6 +330,11 @@ ${__obj}: ${OBJS_DEPEND_GUESS.${__obj}}
 
 .depend: .PRECIOUS ${SRCS}
 
+.if ${COMPILER_TYPE} == "clang" || \
+    (${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 60000)
+_MAP_DEBUG_PREFIX= yes
+.endif
+
 _ILINKS= machine
 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
 _ILINKS+= ${MACHINE_CPUARCH}
@@ -337,12 +344,25 @@ _ILINKS+= x86
 .endif
 
 # Ensure that the link exists without depending on it when it exists.
+# Ensure that debug info references the path in the source tree.
 .for _link in ${_ILINKS}
 .if !exists(${.OBJDIR}/${_link})
 ${SRCS} ${CLEAN:M*.o}: ${_link}
 .endif
+.if defined(_MAP_DEBUG_PREFIX)
+.if ${_link} == "machine"
+CFLAGS+= -fdebug-prefix-map=./machine=${SYSDIR}/${MACHINE}/include
+.else
+CFLAGS+= -fdebug-prefix-map=./${_link}=${SYSDIR}/${_link}/include
+.endif
+.endif
 .endfor
 
+.if defined(_MAP_DEBUG_PREFIX)
+# Ensure that DWARF info contains a full path for auto-generated headers.
+CFLAGS+= -fdebug-prefix-map=.=${.OBJDIR}
+.endif
+
 ${_ILINKS}:
 	@case ${.TARGET} in \
 	machine) \
diff --git sys/conf/kmod.mk sys/conf/kmod.mk
index 3487939d37b7..562fde4c4db5 100644
--- sys/conf/kmod.mk
+++ sys/conf/kmod.mk
@@ -271,6 +271,11 @@ ${FULLPROG}: ${OBJS}
 	${OBJCOPY} --strip-debug ${.TARGET}
 .endif
 
+.if ${COMPILER_TYPE} == "clang" || \
+    (${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 60000)
+_MAP_DEBUG_PREFIX= yes
+.endif
+
 _ILINKS=machine
 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
 _ILINKS+=${MACHINE_CPUARCH}
@@ -287,12 +292,25 @@ beforebuild: ${_ILINKS}
 
 # Ensure that the links exist without depending on it when it exists which
 # causes all the modules to be rebuilt when the directory pointed to changes.
+# Ensure that debug info references the path in the source tree.
 .for _link in ${_ILINKS}
 .if !exists(${.OBJDIR}/${_link})
 OBJS_DEPEND_GUESS+=	${_link}
 .endif
+.if defined(_MAP_DEBUG_PREFIX)
+.if ${_link} == "machine"
+CFLAGS+= -fdebug-prefix-map=./machine=${SYSDIR}/${MACHINE}/include
+.else
+CFLAGS+= -fdebug-prefix-map=./${_link}=${SYSDIR}/${_link}/include
+.endif
+.endif
 .endfor
 
+.if defined(_MAP_DEBUG_PREFIX)
+# Ensure that DWARF info contains a full path for auto-generated headers.
+CFLAGS+= -fdebug-prefix-map=.=${.OBJDIR}
+.endif
+
 .NOPATH: ${_ILINKS}
 
 ${_ILINKS}:
diff --git sys/conf/options sys/conf/options
index 759f5b4f53a6..b084d91f8146 100644
--- sys/conf/options
+++ sys/conf/options
@@ -253,7 +253,7 @@ CD9660		opt_dontuse.h
 EXT2FS		opt_dontuse.h
 FDESCFS		opt_dontuse.h
 FFS		opt_dontuse.h
-FUSE		opt_dontuse.h
+FUSEFS		opt_dontuse.h
 MSDOSFS		opt_dontuse.h
 NANDFS		opt_dontuse.h
 NULLFS		opt_dontuse.h
diff --git sys/fs/fuse/fuse.h sys/fs/fuse/fuse.h
index 07e2759af96c..792ab0aa3684 100644
--- sys/fs/fuse/fuse.h
+++ sys/fs/fuse/fuse.h
@@ -143,7 +143,7 @@
 
 /* misc */
 
-SYSCTL_DECL(_vfs_fuse);
+SYSCTL_DECL(_vfs_fusefs);
 
 /* Fuse locking */
 
diff --git sys/fs/fuse/fuse_file.c sys/fs/fuse/fuse_file.c
index 015b13534455..04caf871ec33 100644
--- sys/fs/fuse/fuse_file.c
+++ sys/fs/fuse/fuse_file.c
@@ -87,7 +87,7 @@ __FBSDID("$FreeBSD$");
 
 static int fuse_fh_count = 0;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, filehandle_count, CTLFLAG_RD,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, filehandle_count, CTLFLAG_RD,
     &fuse_fh_count, 0, "number of open FUSE filehandles");
 
 int
diff --git sys/fs/fuse/fuse_ipc.c sys/fs/fuse/fuse_ipc.c
index 54d24f1bc34a..ed9884b51db9 100644
--- sys/fs/fuse/fuse_ipc.c
+++ sys/fs/fuse/fuse_ipc.c
@@ -99,21 +99,21 @@ static int fuse_body_audit(struct fuse_ticket *ftick, size_t blen);
 
 static fuse_handler_t fuse_standard_handler;
 
-SYSCTL_NODE(_vfs, OID_AUTO, fuse, CTLFLAG_RW, 0, "FUSE tunables");
-SYSCTL_STRING(_vfs_fuse, OID_AUTO, version, CTLFLAG_RD,
+SYSCTL_NODE(_vfs, OID_AUTO, fusefs, CTLFLAG_RW, 0, "FUSE tunables");
+SYSCTL_STRING(_vfs_fusefs, OID_AUTO, version, CTLFLAG_RD,
     FUSE_FREEBSD_VERSION, 0, "fuse-freebsd version");
 static int fuse_ticket_count = 0;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, ticket_count, CTLFLAG_RW,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, ticket_count, CTLFLAG_RW,
     &fuse_ticket_count, 0, "number of allocated tickets");
 static long fuse_iov_permanent_bufsize = 1 << 19;
 
-SYSCTL_LONG(_vfs_fuse, OID_AUTO, iov_permanent_bufsize, CTLFLAG_RW,
+SYSCTL_LONG(_vfs_fusefs, OID_AUTO, iov_permanent_bufsize, CTLFLAG_RW,
     &fuse_iov_permanent_bufsize, 0,
     "limit for permanently stored buffer size for fuse_iovs");
 static int fuse_iov_credit = 16;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, iov_credit, CTLFLAG_RW,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, iov_credit, CTLFLAG_RW,
     &fuse_iov_credit, 0,
     "how many times is an oversized fuse_iov tolerated");
 
diff --git sys/fs/fuse/fuse_main.c sys/fs/fuse/fuse_main.c
index c43cf2bb9b10..41e2d611e10c 100644
--- sys/fs/fuse/fuse_main.c
+++ sys/fs/fuse/fuse_main.c
@@ -94,9 +94,9 @@ static struct vfsconf fuse_vfsconf = {
 	.vfc_flags = VFCF_JAIL | VFCF_SYNTHETIC
 };
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, kernelabi_major, CTLFLAG_RD,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, kernelabi_major, CTLFLAG_RD,
     SYSCTL_NULL_INT_PTR, FUSE_KERNEL_VERSION, "FUSE kernel abi major version");
-SYSCTL_INT(_vfs_fuse, OID_AUTO, kernelabi_minor, CTLFLAG_RD,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, kernelabi_minor, CTLFLAG_RD,
     SYSCTL_NULL_INT_PTR, FUSE_KERNEL_MINOR_VERSION, "FUSE kernel abi minor version");
 
 /******************************
@@ -156,10 +156,10 @@ fuse_loader(struct module *m, int what, void *arg)
 /* Registering the module */
 
 static moduledata_t fuse_moddata = {
-	"fuse",
+	"fusefs",
 	fuse_loader,
 	&fuse_vfsconf
 };
 
-DECLARE_MODULE(fuse, fuse_moddata, SI_SUB_VFS, SI_ORDER_MIDDLE);
-MODULE_VERSION(fuse, 1);
+DECLARE_MODULE(fusefs, fuse_moddata, SI_SUB_VFS, SI_ORDER_MIDDLE);
+MODULE_VERSION(fusefs, 1);
diff --git sys/fs/fuse/fuse_node.c sys/fs/fuse/fuse_node.c
index caf8119d5df7..e2c60ce24129 100644
--- sys/fs/fuse/fuse_node.c
+++ sys/fs/fuse/fuse_node.c
@@ -98,47 +98,47 @@ static int sysctl_fuse_cache_mode(SYSCTL_HANDLER_ARGS);
 
 static int fuse_node_count = 0;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, node_count, CTLFLAG_RD,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, node_count, CTLFLAG_RD,
     &fuse_node_count, 0, "Count of FUSE vnodes");
 
 int	fuse_data_cache_mode = FUSE_CACHE_WT;
 
-SYSCTL_PROC(_vfs_fuse, OID_AUTO, data_cache_mode, CTLTYPE_INT|CTLFLAG_RW,
+SYSCTL_PROC(_vfs_fusefs, OID_AUTO, data_cache_mode, CTLTYPE_INT|CTLFLAG_RW,
     &fuse_data_cache_mode, 0, sysctl_fuse_cache_mode, "I",
     "Zero: disable caching of FUSE file data; One: write-through caching "
     "(default); Two: write-back caching (generally unsafe)");
 
 int	fuse_data_cache_invalidate = 0;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, data_cache_invalidate, CTLFLAG_RW,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, data_cache_invalidate, CTLFLAG_RW,
     &fuse_data_cache_invalidate, 0,
     "If non-zero, discard cached clean file data when there are no active file"
     " users");
 
 int	fuse_mmap_enable = 1;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, mmap_enable, CTLFLAG_RW,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, mmap_enable, CTLFLAG_RW,
     &fuse_mmap_enable, 0,
     "If non-zero, and data_cache_mode is also non-zero, enable mmap(2) of "
     "FUSE files");
 
 int	fuse_refresh_size = 0;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, refresh_size, CTLFLAG_RW,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, refresh_size, CTLFLAG_RW,
     &fuse_refresh_size, 0,
     "If non-zero, and no dirty file extension data is buffered, fetch file "
     "size before write operations");
 
 int	fuse_sync_resize = 1;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, sync_resize, CTLFLAG_RW,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, sync_resize, CTLFLAG_RW,
     &fuse_sync_resize, 0,
     "If a cached write extended a file, inform FUSE filesystem of the changed"
     "size immediately subsequent to the issued writes");
 
 int	fuse_fix_broken_io = 0;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, fix_broken_io, CTLFLAG_RW,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, fix_broken_io, CTLFLAG_RW,
     &fuse_fix_broken_io, 0,
     "If non-zero, print a diagnostic warning if a userspace filesystem returns"
     " EIO on reads of recently extended portions of files");
diff --git sys/fs/fuse/fuse_vfsops.c sys/fs/fuse/fuse_vfsops.c
index 0b3c4db7daf3..715307290428 100644
--- sys/fs/fuse/fuse_vfsops.c
+++ sys/fs/fuse/fuse_vfsops.c
@@ -115,16 +115,16 @@ struct vfsops fuse_vfsops = {
 	.vfs_statfs = fuse_vfsop_statfs,
 };
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, init_backgrounded, CTLFLAG_RD,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, init_backgrounded, CTLFLAG_RD,
     SYSCTL_NULL_INT_PTR, 1, "indicate async handshake");
 static int fuse_enforce_dev_perms = 0;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, enforce_dev_perms, CTLFLAG_RW,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, enforce_dev_perms, CTLFLAG_RW,
     &fuse_enforce_dev_perms, 0,
     "enforce fuse device permissions for secondary mounts");
 static unsigned sync_unmount = 1;
 
-SYSCTL_UINT(_vfs_fuse, OID_AUTO, sync_unmount, CTLFLAG_RW,
+SYSCTL_UINT(_vfs_fusefs, OID_AUTO, sync_unmount, CTLFLAG_RW,
     &sync_unmount, 0, "specify when to use synchronous unmount");
 
 MALLOC_DEFINE(M_FUSEVFS, "fuse_filesystem", "buffer for fuse vfs layer");
diff --git sys/fs/fuse/fuse_vnops.c sys/fs/fuse/fuse_vnops.c
index 08aa45b852eb..59ac3ecbda0b 100644
--- sys/fs/fuse/fuse_vnops.c
+++ sys/fs/fuse/fuse_vnops.c
@@ -179,17 +179,17 @@ struct vop_vector fuse_vnops = {
 
 static u_long fuse_lookup_cache_hits = 0;
 
-SYSCTL_ULONG(_vfs_fuse, OID_AUTO, lookup_cache_hits, CTLFLAG_RD,
+SYSCTL_ULONG(_vfs_fusefs, OID_AUTO, lookup_cache_hits, CTLFLAG_RD,
     &fuse_lookup_cache_hits, 0, "number of positive cache hits in lookup");
 
 static u_long fuse_lookup_cache_misses = 0;
 
-SYSCTL_ULONG(_vfs_fuse, OID_AUTO, lookup_cache_misses, CTLFLAG_RD,
+SYSCTL_ULONG(_vfs_fusefs, OID_AUTO, lookup_cache_misses, CTLFLAG_RD,
     &fuse_lookup_cache_misses, 0, "number of cache misses in lookup");
 
 int	fuse_lookup_cache_enable = 1;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, lookup_cache_enable, CTLFLAG_RW,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, lookup_cache_enable, CTLFLAG_RW,
     &fuse_lookup_cache_enable, 0, "if non-zero, enable lookup cache");
 
 /*
@@ -198,7 +198,7 @@ SYSCTL_INT(_vfs_fuse, OID_AUTO, lookup_cache_enable, CTLFLAG_RW,
  */
 static int fuse_reclaim_revoked = 0;
 
-SYSCTL_INT(_vfs_fuse, OID_AUTO, reclaim_revoked, CTLFLAG_RW,
+SYSCTL_INT(_vfs_fusefs, OID_AUTO, reclaim_revoked, CTLFLAG_RW,
     &fuse_reclaim_revoked, 0, "");
 
 uma_zone_t fuse_pbuf_zone;
diff --git sys/modules/Makefile sys/modules/Makefile
index c8ed845f89ae..27ec483988de 100644
--- sys/modules/Makefile
+++ sys/modules/Makefile
@@ -128,7 +128,7 @@ SUBDIR=	\
 	filemon \
 	firewire \
 	firmware \
-	fuse \
+	fusefs \
 	${_fxp} \
 	gem \
 	geom \
diff --git sys/modules/fuse/Makefile sys/modules/fusefs/Makefile
similarity index 59%
rename from sys/modules/fuse/Makefile
rename to sys/modules/fusefs/Makefile
index c831e5dc0e60..c4950077c06a 100644
--- sys/modules/fuse/Makefile
+++ sys/modules/fusefs/Makefile
@@ -2,9 +2,12 @@
 
 .PATH: ${SRCTOP}/sys/fs/fuse
 
-KMOD=	fuse
+KMOD=	fusefs
 SRCS=	vnode_if.h \
 	fuse_node.c fuse_io.c fuse_device.c fuse_ipc.c fuse_file.c \
 	fuse_vfsops.c fuse_vnops.c fuse_internal.c fuse_main.c
 
+# Symlink for backwards compatibility with systems installed at 12.0 or older
+LINKS=	${KMODDIR}/${KMOD}.ko ${KMODDIR}/fuse.ko
+
 .include <bsd.kmod.mk>
diff --git sys/ufs/ffs/ffs_softdep.c sys/ufs/ffs/ffs_softdep.c
index 76a022346e72..af7f0f740dac 100644
--- sys/ufs/ffs/ffs_softdep.c
+++ sys/ufs/ffs/ffs_softdep.c
@@ -13970,6 +13970,8 @@ softdep_bp_to_mp(bp)
 	if (LIST_EMPTY(&bp->b_dep))
 		return (NULL);
 	vp = bp->b_vp;
+	KASSERT(vp != NULL,
+	    ("%s, buffer with dependencies lacks vnode", __func__));
 
 	/*
 	 * The ump mount point is stable after we get a correct
@@ -13979,17 +13981,33 @@ softdep_bp_to_mp(bp)
 	 * workitem might be freed while dereferenced.
 	 */
 retry:
-	if (vp->v_type == VCHR) {
+	switch (vp->v_type) {
+	case VCHR:
 		VI_LOCK(vp);
 		mp = vp->v_type == VCHR ? vp->v_rdev->si_mountpt : NULL;
 		VI_UNLOCK(vp);
 		if (mp == NULL)
 			goto retry;
-	} else if (vp->v_type == VREG || vp->v_type == VDIR ||
-	    vp->v_type == VLNK || vp->v_type == VFIFO) {
+		break;
+	case VREG:
+	case VDIR:
+	case VLNK:
+	case VFIFO:
+	case VSOCK:
 		mp = vp->v_mount;
-	} else {
-		return (NULL);
+		break;
+	case VBLK:
+		vn_printf(vp, "softdep_bp_to_mp: unexpected block device\n");
+		/* FALLTHROUGH */
+	case VNON:
+	case VBAD:
+	case VMARKER:
+		mp = NULL;
+		break;
+	default:
+		vn_printf(vp, "unknown vnode type");
+		mp = NULL;
+		break;
 	}
 	return (VFSTOUFS(mp));
 }