node: run whole func in goroutine, not just logger.Error fn (#3743)

* node: run whole func in goroutine, not just logger.Error fn

Fixes #3741

* add a changelog entry

CHANGELOG_PENDING.md

@@ -40,3 +40,4 @@
 - [libs/db] \#3717 Fixed the BoltDB backend's Batch.Delete implementation (@Yawning)
 - [libs/db] \#3718 Fixed the BoltDB backend's Get and Iterator implementation (@Yawning)
 - [node] \#3716 Fix a bug where `nil` is recorded as node's address
+- [node] \#3741 Fix profiler blocking the entire node

node/node.go

@@ -630,7 +630,9 @@ func NewNode(config *cfg.Config,
 	}
 
 	if config.ProfListenAddress != "" {
-		go logger.Error("Profile server", "err", http.ListenAndServe(config.ProfListenAddress, nil))
+		go func() {
+			logger.Error("Profile server", "err", http.ListenAndServe(config.ProfListenAddress, nil))
+		}()
 	}
 
 	node := &Node{