Protocol: add type check

Fixes: #1059
mscdex · Aug 27, 2021 · 918eb6d · 918eb6d
1 parent 4606d0e
commit 918eb6d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/protocol/Protocol.js b/lib/protocol/Protocol.js
@@ -1669,6 +1669,9 @@ class Protocol {
 
     const origSignal = name;
 
+    if (typeof origSignal !== 'string' || !origSignal)
+      throw new Error(`Invalid signal: ${origSignal}`);
+
     let signal = name.toUpperCase();
     if (signal.slice(0, 3) === 'SIG')
       signal = signal.slice(3);