From 9bc1a020d0c4914a394fe99f175c772631221c1d Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Fri, 30 Jun 2023 04:53:17 +0930
Subject: [PATCH] connectd: don't try to keep going if gossipd dies.

We will access the freed connection to gossipd.  This is weird to track
down when the *actual* issue is that gossipd died!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 connectd/connectd.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/connectd/connectd.c b/connectd/connectd.c
index 585d1cdeb..6d78a26ac 100644
--- a/connectd/connectd.c
+++ b/connectd/connectd.c
@@ -2161,6 +2161,11 @@ static void memleak_daemon_cb(struct htable *memtable, struct daemon *daemon)
 }
 #endif /* DEVELOPER */
 
+static void gossipd_failed(struct daemon_conn *gossipd)
+{
+	status_failed(STATUS_FAIL_GOSSIP_IO, "gossipd exited?");
+}
+
 int main(int argc, char *argv[])
 {
 	setup_locale();
@@ -2199,6 +2204,7 @@ int main(int argc, char *argv[])
 	daemon->gossipd = daemon_conn_new(daemon, GOSSIPCTL_FD,
 					  recv_gossip, NULL,
 					  daemon);
+	tal_add_destructor(daemon->gossipd, gossipd_failed);
 
 	/* Set up ecdh() function so it uses our HSM fd, and calls
 	 * status_failed on error. */