From bc3736bc56b43a61c09843beb37af646ed692a9c Mon Sep 17 00:00:00 2001
From: Ian Gulliver <git@flamingcow.io>
Date: Wed, 28 Jan 2026 12:56:02 -0800
Subject: [PATCH] Validate channel start <= end in parseChannelRange

---
 config/config.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/config/config.go b/config/config.go
index 3965f7e..776e5c9 100644
--- a/config/config.go
+++ b/config/config.go
@@ -188,6 +188,9 @@ func parseChannelRange(spec string, start, end *int) error {
 		*start = ch
 		*end = ch
 	}
+	if *start > *end {
+		return fmt.Errorf("channel start %d > end %d", *start, *end)
+	}
 	return nil
 }