From cf91f51e8e2a38a38c3787f12aadd45a4023d7a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <daniel.marjamaki@gmail.com>
Date: Sun, 18 Aug 2024 08:31:45 +0200
Subject: [PATCH] Fix CID 1534125; String not null terminated in
 Path::getCurrentExecutablePath()

---
 lib/path.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/path.cpp b/lib/path.cpp
index f7943980924..8b0b75c8ca0 100644
--- a/lib/path.cpp
+++ b/lib/path.cpp
@@ -164,7 +164,8 @@ std::string Path::getCurrentExecutablePath(const char* fallback)
 #else // Linux
         "/proc/self/exe";
 #endif
-    success = (readlink(procPath, buf, sizeof(buf)) != -1);
+    // readlink does not null-terminate the string if the buffer is too small, therefore write bufsize - 1
+    success = (readlink(procPath, buf, sizeof(buf) - 1) != -1);
 #endif
     return success ? std::string(buf) : std::string(fallback);
 }