fs: avoid prototype pollution

anonrig · anonrig · commit df1c1874f6ad · 2022-10-22T17:06:34.000-04:00
diff --git a/lib/internal/fs/watch/linux.js b/lib/internal/fs/watch/linux.js
@@ -185,7 +185,7 @@ class FSWatcher extends EventEmitter {
 
   async next() {
     if (this.#closed) {
-      return { done: true };
+      return { __proto__: null, done: true };
     }
 
     const result = await new Promise((resolve) => {
@@ -194,7 +194,7 @@ class FSWatcher extends EventEmitter {
       });
     });
 
-    return { done: false, value: result };
+    return { __proto__: null, done: false, value: result };
   }
 
   // eslint-disable-next-line require-yield

Original file line number	Diff line number	Diff line change
`@@ -185,7 +185,7 @@ class FSWatcher extends EventEmitter {`
`185`	`185`
`186`	`186`	`async next() {`
`187`	`187`	`if (this.#closed) {`
`188`		`- return { done: true };`
	`188`	`+ return { __proto__: null, done: true };`
`189`	`189`	`}`
`190`	`190`
`191`	`191`	`const result = await new Promise((resolve) => {`
`@@ -194,7 +194,7 @@ class FSWatcher extends EventEmitter {`
`194`	`194`	`});`
`195`	`195`	`});`
`196`	`196`
`197`		`- return { done: false, value: result };`
	`197`	`+ return { __proto__: null, done: false, value: result };`
`198`	`198`	`}`
`199`	`199`
`200`	`200`	`// eslint-disable-next-line require-yield`