From 79ba9d7a68e7697b83b36b997137e946d2dd4eb7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=80=9A=E6=B4=B2?= <zhangsongcui3371@sina.com>
Date: Tue, 23 Jan 2024 18:51:00 +0800
Subject: [PATCH] TerminalShell (Linux): fix segfault

---
 src/detection/terminalshell/terminalshell_linux.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/detection/terminalshell/terminalshell_linux.c b/src/detection/terminalshell/terminalshell_linux.c
index e0615a418..1366ae686 100644
--- a/src/detection/terminalshell/terminalshell_linux.c
+++ b/src/detection/terminalshell/terminalshell_linux.c
@@ -147,10 +147,13 @@ static const char* getProcessNameAndPpid(pid_t pid, char* name, pid_t* ppid, int
     )
         return "sscanf(stat) failed";
 
-    if (tty && (tty_ >> 8) == 0x88)
-        *tty = tty_ & 0xFF;
-    else
-        *tty = -1;
+    if (tty)
+    {
+        if ((tty_ >> 8) == 0x88)
+            *tty = tty_ & 0xFF;
+        else
+            *tty = -1;
+    }
 
     #elif defined(__APPLE__)