From 423f609828884a8b363e33433b6a03103c214865 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Sat, 5 Oct 2024 07:48:22 +0200
Subject: [PATCH] irc: fix crash on /list buffer when a filter is set (closes
 #2197)

---
 CHANGELOG.md               | 1 +
 src/plugins/irc/irc-list.c | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a10704658..9999acedb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@
 - core, plugins: fix integer overflow in loops ([#2178](https://github.com/weechat/weechat/issues/2178)), [CVE-2024-46613](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-46613))
 - irc: decode IRC colors only when displaying messages in buffer, store nick info with IRC colors (host, account, real name)
 - irc: do not strip trailing spaces from incoming IRC messages
+- irc: fix crash on /list buffer when a filter is set ([#2197](https://github.com/weechat/weechat/issues/2197))
 - relay/api: fix empty nicklist in remote buffers after connection or reconnection
 - lua: fix compilation on Fedora with Lua < 5.2.0 ([#2173](https://github.com/weechat/weechat/issues/2173), [#2174](https://github.com/weechat/weechat/issues/2174))
 - core: fix build on Android ([#2180](https://github.com/weechat/weechat/issues/2180))
diff --git a/src/plugins/irc/irc-list.c b/src/plugins/irc/irc-list.c
index 4d4f12ace..369365cec 100644
--- a/src/plugins/irc/irc-list.c
+++ b/src/plugins/irc/irc-list.c
@@ -506,6 +506,12 @@ irc_list_display_line (struct t_irc_server *server, int line)
     ptr_channel = (struct t_irc_list_channel *)weechat_arraylist_get (
         server->list->filter_channels, line);
 
+    if (!ptr_channel)
+    {
+        weechat_printf_y (server->list->buffer, line, "");
+        return;
+    }
+
     /* line color */
     if (line == server->list->selected_line)
     {