From 13e78051702c26ad112d1edbf3c3385272419dba Mon Sep 17 00:00:00 2001
From: David Gibson <david@gibson.dropbear.id.au>
Date: Fri, 28 Mar 2025 16:41:42 +1100
Subject: [PATCH] log tcp socket error
---
tcp.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/tcp.c b/tcp.c
index fa1d885..c2fa2c3 100644
--- a/tcp.c
+++ b/tcp.c
@@ -2333,6 +2333,15 @@ void tcp_sock_handler(const struct ctx *c, union epoll_ref ref,
return;
if (events & EPOLLERR) {
+ int err;
+ socklen_t sl = sizeof(err);
+
+ if (getsockopt(conn->sock, SOL_SOCKET, SO_ERROR, &err, &sl))
+ flow_dbg(conn, "Error getting SO_ERROR: %s",
+ strerror_(errno));
+ else
+ flow_dbg(conn, "Resetting due to socket error: %s",
+ strerror_(err));
tcp_rst(c, conn);
return;
}