From a7a4505b79a52f41bac8a0d8db57c30c9a469bd7 Mon Sep 17 00:00:00 2001
From: cryptozoidberg <crypto.zoidberg@gmail.com>
Date: Wed, 16 Apr 2025 15:27:44 +0400
Subject: [PATCH] attempt to fix seg fault on foreach_connection

---
 contrib/epee/include/net/levin_protocol_handler_async.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/contrib/epee/include/net/levin_protocol_handler_async.h b/contrib/epee/include/net/levin_protocol_handler_async.h
index 5e0c7a1a..c0c94c44 100644
--- a/contrib/epee/include/net/levin_protocol_handler_async.h
+++ b/contrib/epee/include/net/levin_protocol_handler_async.h
@@ -817,7 +817,9 @@ template<class t_connection_context> template<class callback_t>
 bool async_protocol_handler_config<t_connection_context>::foreach_connection(callback_t cb)
 {
   CRITICAL_REGION_LOCAL(m_connects_lock);
-  for(auto& c: m_connects)
+  //in case any of the cb() leads to erasing items from m_connects, let's go over local copy of it
+  auto connects_local = m_connects;
+  for(auto& c: connects_local)
   {
     async_protocol_handler<t_connection_context>* aph = c.second;
     if(!cb(aph->get_context_ref()))