Don't crash on showing certain glyph

Resolves: rhbz#2253441

mitigate-character-length-crash.patch

@@ -0,0 +1,13 @@
+--- screen-write.c.orig	2023-12-12 21:17:02.960288969 +0100
++++ screen-write.c	2023-12-12 21:18:07.498869550 +0100
+@@ -2120,6 +2120,10 @@
+ 			return (0);
+ 	}
+ 
++    /* Check if this combined character would be too long. */
++    if (last.data.size + ud->size > sizeof last.data.data)
++        return (0);
++
+ 	/* Combining; flush any pending output. */
+ 	screen_write_collect_flush(ctx, 0, __func__);
+ 

tmux.spec

@@ -9,7 +9,7 @@ Name:           tmux
 
 Version:        3.3a
 # forge meta appends commit info
-Release:        6%{?dist}
+Release:        7%{?dist}
 Summary:        A terminal multiplexer
 
 License:        ISC AND BSD-2-Clause AND BSD-3-Clause AND SSH-short AND LicenseRef-Fedora-Public-Domain
@@ -18,6 +18,11 @@ Source0:        %{forgesource}
 # Examples has been removed - so include the bash_completion here
 Source1:        bash_completion_tmux.sh
 
+# don't crash instead of displaying certain glyphs
+# https://bugzilla.redhat.com/show_bug.cgi?id=2253441
+# applied by upstream: https://github.com/tmux/tmux/issues/3729
+Patch0:         mitigate-character-length-crash.patch
+
 BuildRequires:  byacc
 BuildRequires:  gcc
 BuildRequires:  systemd-devel
@@ -39,6 +44,7 @@ as GNU Screen.
 
 %prep
 %forgesetup
+%patch 0 -p0
 
 %build
 %if "%0{?commit}" != "0"
@@ -80,6 +86,10 @@ fi
 %{_datadir}/bash-completion/completions/tmux
 
 %changelog
+* Tue Dec 12 2023 Sven Lankes <sven@lank.es> - 3.3a-7.20230918gitb202a2f
+- Don't crash on showing certain glyph
+  Resolves: rhbz#2253441
+
 * Mon Oct 02 2023 David Cantrell <dcantrell@redhat.com> - 3.3a-6.20230918gitb202a2f
 - Convert License tag to SPDX expression