Remove unused network buffer

Author: sharadraju

lib/thin/sqlnet/packet.js

@@ -52,7 +52,7 @@ function ConnectPacket(connectData, sAtts, flags = 0) {
   }
 
   /* Building Connect Packet */
-  this.buf = Buffer.alloc(size);
+  this.buf = Buffer.allocUnsafe(size).fill(0);
   this.buf.writeUInt16BE(size, constants.NSPHDLEN);
   this.buf.writeUInt8(flags, constants.NSPHDFLGS);
   this.buf.writeUInt8(constants.NSPTCN, constants.NSPHDTYP);
@@ -156,7 +156,7 @@ function DataPacket(isLargeSDU) {
     /* Building Data Packet */
     this.dataPtr = constants.NSPDADAT;
     this.dataLen = constants.NSPDADAT;
-    this.buf = Buffer.alloc(len);
+    this.buf = Buffer.allocUnsafe(len).fill(0);
     this.buf.writeUInt8(0, constants.NSPHDFLGS);
     this.buf.writeUInt8(constants.NSPTDA, constants.NSPHDTYP);
     this.bufLen = len; /* Length of buffer */
@@ -377,7 +377,7 @@ function ControlPacket() {
         } else if (err1 == NSESENDMESG) {
           this.errno = err1;
           this.notifLen = err2;
-          this.notif = Buffer.alloc(err2 + 1);
+          this.notif = Buffer.allocUnsafe(err2 + 1).fill(0);
           this.buf.copy(this.notif, 0, constants.NSPCTLDAT + 12, constants.NSPCTLDAT + 12 + err2);
         } else {
           this.errno = err1;