update CHANGELOG

CHANGELOG.md

@@ -15,6 +15,7 @@ BUG FIXES:
   - core: On a graceful halt, force halt if capability "insert public key"
       is missing. [GH-4684]
   - core: Don't share `/vagrant` if any "." folder is shared. [GH-4675]
+  - core: Fix SSH private key permissions more aggressively. [GH-4670]
   - commands/box: `--cert` flag works properly. [GH-4691]
   - command/docker-logs: Won't crash if container is removed. [GH-3990]
   - command/docker-run: Synced folders will be attached properly. [GH-3873]

lib/vagrant/machine.rb

@@ -391,9 +391,6 @@ module Vagrant
     #
     # @return [Hash] SSH information.
     def ssh_info
-
-      return @ssh_info unless @ssh_info.nil?
-
       # First, ask the provider for their information. If the provider
       # returns nil, then the machine is simply not ready for SSH, and
       # we return nil as well.
@@ -461,8 +458,7 @@ module Vagrant
         end
       end
 
-      # Memoize the final compiled SSH info data and return it
-      @ssh_info = info
+      info
     end
 
     # Returns the state of this machine. The state is queried from the

test/unit/vagrant/machine_test.rb

@@ -586,17 +586,6 @@ describe Vagrant::Machine do
         instance.ssh_info
       end
 
-      # It is not possible to test the memoization of a Ruby Hash with object equality,
-      # but we can verify that some code of ssh_info method is not executed again.
-      it "should check and try to fix the permissions of the private key file only once" do
-        provider_ssh_info[:private_key_path] = nil
-        instance.config.ssh.private_key_path = nil
-
-        expect(ssh_klass).to receive(:check_key_permissions).once.with(Pathname.new(instance.env.default_private_key_path.to_s))
-        instance.ssh_info
-        instance.ssh_info
-      end
-
       context "expanding path relative to the root path" do
         it "should with the provider key path" do
           provider_ssh_info[:private_key_path] = "~/foo"