From e6e379ea41ee1d67ce662533d10e0ff0c74f499f Mon Sep 17 00:00:00 2001
From: cjihrig <cjihrig@gmail.com>
Date: Thu, 5 Dec 2019 10:12:22 -0500
Subject: [PATCH] src: use checked allocations in WASI::New()

PR-URL: https://github.com/nodejs/node/pull/30809
Refs: https://github.com/nodejs/node/issues/30257
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
---
 src/node_wasi.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/node_wasi.cc b/src/node_wasi.cc
index 8de7f1fc1cae68..b3b266f5cfe577 100644
--- a/src/node_wasi.cc
+++ b/src/node_wasi.cc
@@ -134,7 +134,7 @@ void WASI::New(const FunctionCallbackInfo<Value>& args) {
   Local<Array> preopens = args[2].As<Array>();
   CHECK_EQ(preopens->Length() % 2, 0);
   options.preopenc = preopens->Length() / 2;
-  options.preopens = UncheckedCalloc<uvwasi_preopen_t>(options.preopenc);
+  options.preopens = Calloc<uvwasi_preopen_t>(options.preopenc);
   int index = 0;
   for (uint32_t i = 0; i < preopens->Length(); i += 2) {
     auto mapped = preopens->Get(context, i).ToLocalChecked();
@@ -144,7 +144,9 @@ void WASI::New(const FunctionCallbackInfo<Value>& args) {
     node::Utf8Value mapped_path(env->isolate(), mapped);
     node::Utf8Value real_path(env->isolate(), real);
     options.preopens[index].mapped_path = strdup(*mapped_path);
+    CHECK_NOT_NULL(options.preopens[index].mapped_path);
     options.preopens[index].real_path = strdup(*real_path);
+    CHECK_NOT_NULL(options.preopens[index].real_path);
     index++;
   }