From e26a05e3aca424f2dcf737d2147323da506b600b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=80=9A=E6=B4=B2?= <zhangsongcui3371@sina.com>
Date: Wed, 21 Jan 2026 14:28:40 +0800
Subject: [PATCH] DE (Linux): ensures process returns successfully before using
 its output

---
 src/detection/de/de_linux.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/detection/de/de_linux.c b/src/detection/de/de_linux.c
index 7764650f0..ee2aeafcc 100644
--- a/src/detection/de/de_linux.c
+++ b/src/detection/de/de_linux.c
@@ -219,14 +219,15 @@ static const char* getTrinity(FFstrbuf* result, FF_MAYBE_UNUSED FFDEOptions* opt
         return NULL;
 
     ffStrbufClear(&path);
-    ffProcessAppendStdOut(&path, (char* const[]){
+    if (ffProcessAppendStdOut(&path, (char* const[]){
         "tde-config",
         "--version",
         NULL
-    });
-
-    ffParsePropLines(path.chars , "TDE: ", result);
-    return NULL;
+    }) == NULL)
+    {
+        ffParsePropLines(path.chars , "TDE: ", result);
+        return NULL;
+    }
 
     return "All methods failed";
 }