From ada7d438258a7020e4b055523bf4e97cb029d918 Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@sudo.ws>
Date: Tue, 25 Jan 2022 12:10:36 -0700
Subject: [PATCH] Fix potential infinite loop when trying to format long lines.

---
 scripts/mkdep.pl | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scripts/mkdep.pl b/scripts/mkdep.pl
index 1c12c109d..3d6e6b65e 100755
--- a/scripts/mkdep.pl
+++ b/scripts/mkdep.pl
@@ -68,8 +68,12 @@ sub fmt_depend {
 	    if ($off != 0) {
 		$ret .= ' ' x $indent;
 		$pos = rindex($deps, ' ', $off + 80 - $indent - 2);
+		if ($pos <= $off) {
+		    # No space found within 78 columns, check beyond
+		    $pos = index($deps, ' ', $off + 80 - $indent - 2);
+		}
 	    } else {
-		$pos = rindex($deps, ' ', $off + 78);
+		$pos = rindex($deps, ' ', 78);
 	    }
 	    $ret .= substr($deps, $off, $pos - $off) . " \\\n";
 	    $off = $pos + 1;