src/internal/poll/fd_mutex.go |  4 +++-
 src/os/os_test.go             | 28 ++++++++++++++++++++++++++++

diff --git a/src/internal/poll/fd_mutex.go b/src/internal/poll/fd_mutex.go
index c1c92976870658efae5829e375729ee7e16b1596..f71c7739a1aa6e1a1eb1962264a9e00644b0a90a 100644
--- a/src/internal/poll/fd_mutex.go
+++ b/src/internal/poll/fd_mutex.go
@@ -265,7 +265,9 @@ // It also closes fd when the state of fd is set to closed and there
 // is no remaining reference.
 func (fd *FD) readWriteUnlock() {
 	fd.fdmu.rwunlock(true)
-	fd.fdmu.rwunlock(false)
+	if fd.fdmu.rwunlock(false) {
+		fd.destroy()
+	}
 }
 
 // closing returns true if fd is closing.
diff --git a/src/os/os_test.go b/src/os/os_test.go
index 29f2e6d3b2258c8123d6fc25ced496b8cad022bf..47f4163220e4bbe00d2ef1565de7f83c107910d8 100644
--- a/src/os/os_test.go
+++ b/src/os/os_test.go
@@ -3468,6 +3468,34 @@ 		t.Errorf("expected 0 allocs for File.WriteString, got %v", allocs)
 	}
 }
 
+// Test that it's OK to have parallel I/O and Close on a file.
+func TestFileIOCloseRace(t *testing.T) {
+	t.Parallel()
+	file, err := Create(filepath.Join(t.TempDir(), "test.txt"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	var wg sync.WaitGroup
+	wg.Go(func() {
+		var tmp [100]byte
+		if _, err := file.Write(tmp[:]); err != nil && !errors.Is(err, ErrClosed) {
+			t.Error(err)
+		}
+	})
+	wg.Go(func() {
+		var tmp [100]byte
+		if _, err := file.Read(tmp[:]); err != nil && err != io.EOF && !errors.Is(err, ErrClosed) {
+			t.Error(err)
+		}
+	})
+	wg.Go(func() {
+		if err := file.Close(); err != nil {
+			t.Error(err)
+		}
+	})
+	wg.Wait()
+}
+
 // Test that it's OK to have parallel I/O and Close on a pipe.
 func TestPipeIOCloseRace(t *testing.T) {
 	// Skip on wasm, which doesn't have pipes.