From cab4e620e8f0ef54b913cd4d2d07d8636aa0e5e3 Mon Sep 17 00:00:00 2001
From: XadillaX <i@2333.moe>
Date: Thu, 3 Jun 2021 14:27:32 +0800
Subject: [PATCH] src,crypto: fix 0-length output crash in webcrypto

Refs: https://github.com/nodejs/node/issues/38883
---
 src/crypto/crypto_cipher.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/crypto/crypto_cipher.h b/src/crypto/crypto_cipher.h
index c8dd3e48f718fd..05561808010f20 100644
--- a/src/crypto/crypto_cipher.h
+++ b/src/crypto/crypto_cipher.h
@@ -249,7 +249,7 @@ class CipherJob final : public CryptoJob<CipherTraits> {
       v8::Local<v8::Value>* result) override {
     Environment* env = AsyncWrap::env();
     CryptoErrorStore* errors = CryptoJob<CipherTraits>::errors();
-    if (out_.size() > 0) {
+    if (out_.size() > 0 || (!out_.size() && errors->Empty())) {
       CHECK(errors->Empty());
       *err = v8::Undefined(env->isolate());
       *result = out_.ToArrayBuffer(env);