From 3838e5a98231fc2ea886661a379acb038f91c55f Mon Sep 17 00:00:00 2001
From: John Hernandez <129467592+H3rnand3zzz@users.noreply.github.com>
Date: Sun, 15 Oct 2023 23:24:13 +0200
Subject: [PATCH] Fix crash on reconnection in the chat window

Profanity tries to access the nickname from the roster,
but roster is being cleaned already,
thus leading to use-after-free.

Fix #1894 https://github.com/profanity-im/profanity/issues/1894
---
 src/ui/window.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ui/window.c b/src/ui/window.c
index f75e7d06..730859d2 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -312,7 +312,10 @@ win_get_title(ProfWin* window)
     {
         const ProfChatWin* chatwin = (ProfChatWin*)window;
         assert(chatwin->memcheck == PROFCHATWIN_MEMCHECK);
-        const PContact contact = roster_get_contact(chatwin->barejid);
+        PContact contact = NULL;
+        if (roster_exists()) {
+            contact = roster_get_contact(chatwin->barejid);
+        }
         if (!contact) {
             return g_strdup(chatwin->barejid);
         }