What were you trying to do that didn't work?

Capturing a pane to stdout from a detached session fails and kills the tmux-server.

What is the impact of this issue to you?

Can not capture output of "ncurses" applications to a file.

Please provide the package NVR for which the bug is seen:

tmux-3.3a-13.20230918gitb202a2f.el10

How reproducible is this bug?:

Always on all supported architectures.

Steps to reproduce

# tmux new-session -d -s bububu -x 100 -y 100 'top'
# tmux list-sessions
bububu: 1 windows (created Thu Feb 20 04:22:42 2025)
# tmux capture-pane -t bububu -p
server exited unexpectedly
# tmux list-sessions
no server running on /tmp/tmux-0/default

Expected results

The capture-pane command prints content of the session/pane to stdout.

Actual results

The capture-pane command fails and kills the tmux-server.

See the reproduction scenario above.