From d119758b09deda047db802805b4d773ec3e8777f Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Tue, 19 Nov 2019 15:00:28 +1030
Subject: [PATCH] gossipd: don't crash if we have > 7000 stale
 short_channel_ids.

Fixes: #3269
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Fixed: gossipd crash on huge number of unknown channels.
---
 gossipd/seeker.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gossipd/seeker.c b/gossipd/seeker.c
index 70b11cb49..e1a0cad30 100644
--- a/gossipd/seeker.c
+++ b/gossipd/seeker.c
@@ -358,6 +358,8 @@ static struct short_channel_id *stale_scids_remove(const tal_t *ctx,
 		uintmap_del(&seeker->stale_scids, scid);
 		tal_free(qf);
 		i++;
+		if (i == max)
+			break;
 	}
 	tal_resize(&scids, i);
 	tal_resize(query_flags, i);