From 35a67b31e54899e51edcb700079da19816d0d365 Mon Sep 17 00:00:00 2001
From: Pierre Krieger <pierre.krieger1708@gmail.com>
Date: Fri, 15 Mar 2019 14:52:22 +0100
Subject: [PATCH] Add a 16MiB hard limit to Substrate packets (#2009)
---
substrate/core/network-libp2p/src/custom_proto/upgrade.rs | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/substrate/core/network-libp2p/src/custom_proto/upgrade.rs b/substrate/core/network-libp2p/src/custom_proto/upgrade.rs
index b411096aa45..caab8ec9d09 100644
--- a/substrate/core/network-libp2p/src/custom_proto/upgrade.rs
+++ b/substrate/core/network-libp2p/src/custom_proto/upgrade.rs
@@ -388,7 +388,11 @@ where TSubstream: AsyncRead + AsyncWrite,
socket: TSubstream,
info: Self::Info,
) -> Self::Future {
- let framed = Framed::new(socket, UviBytes::default());
+ let framed = {
+ let mut codec = UviBytes::default();
+ codec.set_max_len(16 * 1024 * 1024); // 16 MiB hard limit for packets.
+ Framed::new(socket, codec)
+ };
future::ok(RegisteredProtocolSubstream {
is_closing: false,
--
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