From: James Terhune <jterhune@fortinet.com>
Date: Mon, 18 Nov 2024 21:54:30 +0000 (-0500)
Subject: main/stasis_channels.c: Fix crash when setting a global variable with invalid UTF8... 
X-Git-Tag: 21.7.0-rc1~51
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8f873fb350af451be75e5d2e0555dbfadead269;p=thirdparty%2Fasterisk.git

main/stasis_channels.c: Fix crash when setting a global variable with invalid UTF8 characters

Add check for null value of chan before referencing it with ast_channel_name()

Resolves: #999
(cherry picked from commit bece08dcf88be0dba56b96b1c6632cdae8f2a84a)
---

diff --git a/main/stasis_channels.c b/main/stasis_channels.c
index af2bb1f810..b311df0ff7 100644
--- a/main/stasis_channels.c
+++ b/main/stasis_channels.c
@@ -1185,7 +1185,7 @@ void ast_channel_publish_varset(struct ast_channel *chan, const char *name, cons
 			value, strlen(value));
 
 		ast_log(LOG_WARNING, "%s: The contents of variable '%s' had invalid UTF-8 sequences which were replaced",
-			ast_channel_name(chan), name);
+			chan ? ast_channel_name(chan) : "GLOBAL", name);
 	}
 
 	blob = ast_json_pack("{s: s, s: s}",