OTP-9232:

A memory leak has been fixed. I.e. per terminated connection the size of
a pid and the length of a user name string was not cleared.

3 files changed, 10 insertions, 40 deletions

diff --git a/lib/ssh/src/ssh.appup.src b/lib/ssh/src/ssh.appup.src
index 9be8c3c7d5..37f24e2463 100644
--- a/lib/ssh/src/ssh.appup.src
+++ b/lib/ssh/src/ssh.appup.src
@@ -19,44 +19,12 @@
 
 {"%VSN%",	
  [
-  {"2.0.4", [{load_module, ssh_bits, soft_purge, soft_purge, []},
-             {load_module, ssh_connection_handler, soft_purge, soft_purge, []}]},
-  {"2.0.3", [{load_module, ssh_bits, soft_purge, soft_purge, []},
-             {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
-             {load_module, ssh_file, soft_purge, soft_purge, []},
-             {load_module, ssh, soft_purge, soft_purge, []},
-             {load_module, ssh_rsa, soft_purge, soft_purge, []},
-             {load_module, ssh_acceptor, soft_purge, soft_purge, []},
-             {load_module, ssh_transport, soft_purge, soft_purge, []},
-             {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]},
-  {"2.0.2", [{load_module, ssh_bits, soft_purge, soft_purge, []},
-             {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
-             {load_module, ssh_file, soft_purge, soft_purge, []},
-             {load_module, ssh, soft_purge, soft_purge, []},
-             {load_module, ssh_rsa, soft_purge, soft_purge, []},
-             {load_module, ssh_acceptor, soft_purge, soft_purge, []},
-             {load_module, ssh_transport, soft_purge, soft_purge, []},
-             {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]}
+  {"2.0.5", [{load_module, ssh_userreg, soft_purge, soft_purge, []},
+             {load_module, ssh_connection_handler, soft_purge, soft_purge, [ssh_userreg]}]}
  ],
  [
-  {"2.0.4", [{load_module, ssh_bits, soft_purge, soft_purge, []},
-             {load_module, ssh_connection_handler, soft_purge, soft_purge, []}]},
-  {"2.0.3", [{load_module, ssh_bits, soft_purge, soft_purge, []},
-             {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
-             {load_module, ssh_file, soft_purge, soft_purge, []},
-             {load_module, ssh, soft_purge, soft_purge, []},
-             {load_module, ssh_rsa, soft_purge, soft_purge, []},
-             {load_module, ssh_acceptor, soft_purge, soft_purge, []},
-             {load_module, ssh_transport, soft_purge, soft_purge, []},
-             {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]},
-  {"2.0.2", [{load_module, ssh_bits, soft_purge, soft_purge, []},
-             {load_module, ssh_connection_handler, soft_purge, soft_purge, []},
-             {load_module, ssh_file, soft_purge, soft_purge, []},
-             {load_module, ssh, soft_purge, soft_purge, []},
-             {load_module, ssh_rsa, soft_purge, soft_purge, []},
-             {load_module, ssh_acceptor, soft_purge, soft_purge, []},
-             {load_module, ssh_transport, soft_purge, soft_purge, []},
-             {load_module, ssh_connection_manager, soft_purge, soft_purge, []}]}
+  {"2.0.5", [{load_module, ssh_userreg, soft_purge, soft_purge, []},
+             {load_module, ssh_connection_handler, soft_purge, soft_purge, [ssh_userreg]}]}
  ]
 }.
 
diff --git a/lib/ssh/src/ssh_cli.erl b/lib/ssh/src/ssh_cli.erl
index 4bfd680029..781e01b9d1 100644
--- a/lib/ssh/src/ssh_cli.erl
+++ b/lib/ssh/src/ssh_cli.erl
@@ -180,8 +180,7 @@ handle_msg(_, State) ->
 %% Function: terminate(Reason, State) -> void()
 %% Description: Called when the channel process is trminated
 %%--------------------------------------------------------------------
-terminate(_Reason, #state{cm = ConnectionManager} = _State) ->
-    (catch ssh_userreg:delete(ConnectionManager)),
+terminate(_Reason, _State) ->
     ok.
 
 %%--------------------------------------------------------------------
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 2d82e6d77d..3193be2510 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -578,7 +578,9 @@ handle_info({CloseTag, _Socket}, _StateName,
 %% Reason. The return value is ignored.
 %%--------------------------------------------------------------------
 terminate(normal, _, #state{transport_cb = Transport,
-			    socket = Socket}) ->
+			    socket = Socket,
+			    manager = Pid}) ->
+    (catch ssh_userreg:delete_user(Pid)),
     (catch Transport:close(Socket)),
     ok;
 
@@ -810,7 +812,7 @@ handle_disconnect(#ssh_msg_disconnect{} = Msg,
 		  #state{ssh_params = Ssh0, manager = Pid} = State) ->
     {SshPacket, Ssh} = ssh_transport:ssh_packet(Msg, Ssh0),
     try 
- 	send_msg(SshPacket, State),
+	send_msg(SshPacket, State),
  	ssh_connection_manager:event(Pid, Msg)
     catch
 	exit:{noproc, _Reason} ->
@@ -822,6 +824,7 @@ handle_disconnect(#ssh_msg_disconnect{} = Msg,
 				   [Msg, Exit]),
 	    error_logger:info_report(Report)
     end,
+    (catch ssh_userreg:delete_user(Pid)),
     {stop, normal, State#state{ssh_params = Ssh}}.
 
 counterpart_versions(NumVsn, StrVsn, #ssh{role = server} = Ssh) ->