From 7041c8ef2c93b757e3e461374fed56c471c08403 Mon Sep 17 00:00:00 2001
From: Andrew Gunnerson <accounts+github@chiller3.com>
Date: Sun, 17 Dec 2023 14:49:50 -0500
Subject: [PATCH] util: merge_overlapping: Skip empty and invalid ranges

Signed-off-by: Andrew Gunnerson <accounts+github@chiller3.com>
---
 avbroot/src/util.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/avbroot/src/util.rs b/avbroot/src/util.rs
index 1fa5fe4..e1035ec 100644
--- a/avbroot/src/util.rs
+++ b/avbroot/src/util.rs
@@ -70,7 +70,9 @@ where
     let mut result = Vec::<Range<T>>::new();
 
     for section in sections {
-        if let Some(last) = result.last_mut() {
+        if section.start >= section.end {
+            continue;
+        } else if let Some(last) = result.last_mut() {
             if section.start <= last.end {
                 last.end = last.end.max(section.end);
                 continue;