nodejs
diff --git a/‎doc/api/fs.md‎
Lines changed: 2 additions & 2 deletions b/‎doc/api/fs.md‎
Lines changed: 2 additions & 2 deletions
diff --git a/‎lib/fs.js‎
Lines changed: 1 addition & 1 deletion b/‎lib/fs.js‎
Lines changed: 1 addition & 1 deletion
@@ -392,7 +392,7 @@ added:
   * `offset` {integer} The location in the buffer at which to start filling.
     **Default:** `0`
   * `length` {integer} The number of bytes to read. **Default:**
-    `buffer.byteLength`
+    `buffer.byteLength - offset`
   * `position` {integer} The location where to begin reading data from the
     file. If `null`, data will be read from the current file position, and
     the position will be updated. If `position` is an integer, the current
@@ -3119,7 +3119,7 @@ changes:
 * `options` {Object}
   * `buffer` {Buffer|TypedArray|DataView} **Default:** `Buffer.alloc(16384)`
   * `offset` {integer} **Default:** `0`
-  * `length` {integer} **Default:** `buffer.byteLength`
+  * `length` {integer} **Default:** `buffer.byteLength - offset`
   * `position` {integer|bigint} **Default:** `null`
 * `callback` {Function}
   * `err` {Error}
 
@@ -621,7 +621,7 @@ function read(fd, buffer, offset, length, position, callback) {
     ({
       buffer = Buffer.alloc(16384),
       offset = 0,
-      length = buffer.byteLength,
+      length = buffer.byteLength - offset,
       position
     } = options);
   }
Original file line number	Diff line number	Diff line change
@@ -621,7 +621,7 @@ function read(fd, buffer, offset, length, position, callback) {
621	621	({
622	622	buffer = Buffer.alloc(16384),
623	623	offset = 0,
624		- length = buffer.byteLength,
	624	+ length = buffer.byteLength - offset,
625	625	position
626	626	} = options);
627	627	}