From c6342e35b07f750771f0fdb3c80a27d3272e8001 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 1 Mar 2024 23:36:15 +0100
Subject: [PATCH] escape: teach octescape() to work with NUL terminated strings

---
 src/basic/escape.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/basic/escape.c b/src/basic/escape.c
index d95f35e7980..e7f90a45946 100644
--- a/src/basic/escape.c
+++ b/src/basic/escape.c
@@ -451,6 +451,12 @@ char* octescape(const char *s, size_t len) {
 
         assert(s || len == 0);
 
+        if (len == SIZE_MAX)
+                len = strlen(s);
+
+        if (len > (SIZE_MAX)-1/4)
+                return NULL;
+
         t = buf = new(char, len * 4 + 1);
         if (!buf)
                 return NULL;
-- 
2.47.3