Truncate potentially large terms passed to diameter_lib:log/4

Last visited in commit 00584303.

2 files changed, 12 insertions, 2 deletions

diff --git a/lib/diameter/src/base/diameter_peer_fsm.erl b/lib/diameter/src/base/diameter_peer_fsm.erl
index 2255d0a76b..a9ee4940a3 100644
--- a/lib/diameter/src/base/diameter_peer_fsm.erl
+++ b/lib/diameter/src/base/diameter_peer_fsm.erl
@@ -319,7 +319,7 @@ handle_info(T, #state{} = State) ->
             ?LOG(stop, Reason),
             {stop, {shutdown, Reason}, State};
         stop ->
-            ?LOG(stop, T),
+            ?LOG(stop, truncate(T)),
             {stop, {shutdown, T}, State}
     catch
         exit: {diameter_codec, encode, T} = Reason ->
@@ -355,6 +355,11 @@ code_change(_, State, _) ->
 %% ---------------------------------------------------------------------------
 %% ---------------------------------------------------------------------------
 
+truncate({'DOWN' = T, _, process, Pid, _}) ->
+    {T, Pid};
+truncate(T) ->
+    T.
+
 putr(Key, Val) ->
     put({?MODULE, Key}, Val).
 
diff --git a/lib/diameter/src/base/diameter_watchdog.erl b/lib/diameter/src/base/diameter_watchdog.erl
index de9c4bca33..55c303dec2 100644
--- a/lib/diameter/src/base/diameter_watchdog.erl
+++ b/lib/diameter/src/base/diameter_watchdog.erl
@@ -245,11 +245,16 @@ handle_info(T, #watchdog{} = State) ->
             event(T, State, S),  %%   before 'watchdog'
             {noreply, S};
         stop ->
-            ?LOG(stop, T),
+            ?LOG(stop, truncate(T)),
             event(T, State, State#watchdog{status = down}),
             {stop, {shutdown, T}, State}
     end.
 
+truncate({'DOWN' = T, _, process, Pid, _}) ->
+    {T, Pid};
+truncate(T) ->
+    T.
+
 close({'DOWN', _, process, TPid, {shutdown, Reason}},
       #watchdog{transport = TPid,
                 parent = Pid}) ->