Dionaea names among others are now capped when choosing a custom one.

code/datums/diseases/advance/advance.dm

@@ -393,7 +393,7 @@ var/list/advance_cures = 	list(
 
 	if(D.symptoms.len > 0)
 
-		var/new_name = input(user, "Name your new disease.", "New Name")
+		var/new_name = copytext(sanitize(input(user, "Name your new disease.", "New Name")),1,MAX_NAME_LEN)
 		D.AssignName(new_name)
 		D.Refresh()
 

code/game/dna/dna_modifier.dm

@@ -844,7 +844,7 @@
 
 		if (bufferOption == "changeLabel")
 			var/datum/dna2/record/buf = src.buffers[bufferId]
-			var/text = sanitize(input(usr, "New Label:", "Edit Label", buf.name) as text|null)
+			var/text = copytext(sanitize(input(usr, "New Label:", "Edit Label", buf.name) as text|null)),1,MAX_NAME_LEN)
 			buf.name = text
 			src.buffers[bufferId] = buf
 			return 1

code/modules/hydroponics/seed_mobs.dm

@@ -58,7 +58,7 @@
 		host << "<B>Too much darkness will send you into shock and starve you, but light will help you heal.</B>"
 
 	var/newname = input(host,"Enter a name, or leave blank for the default name.", "Name change","") as text
-	newname = sanitize(newname)
+	newname = sanitize(newname),1,MAX_NAME_LEN)
 	if (newname != "")
 		host.real_name = newname
 		host.name = host.real_name