From 34668eb6ee62a52e368dfbf7ff6d094d2c299b49 Mon Sep 17 00:00:00 2001
From: Martin Pulec <martin.pulec@cesnet.cz>
Date: Wed, 16 Apr 2025 08:17:50 +0200
Subject: [PATCH] acap/jack: fix CID 480385

an overflow
---
 src/audio/capture/jack.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/audio/capture/jack.c b/src/audio/capture/jack.c
index 000b5b509..84eb58cd1 100644
--- a/src/audio/capture/jack.c
+++ b/src/audio/capture/jack.c
@@ -181,7 +181,10 @@ static void * audio_cap_jack_init(struct module *parent, const char *cfg)
                                 goto error;
                         }
                 } else if (strstr(item, "name=") == item) {
-                        strcpy(client_name, item + strlen("name="));
+                        strncpy(client_name, item + strlen("name="),
+                                sizeof client_name - 1);
+                        // ensure termination if truncated
+                        client_name[sizeof client_name - 1] = '\0';
                 } else { // this is the device name
                         source_name = cfg + (item - dup);
                         break;