[BUG] Exiting with 'Q' while waiting for other players crashes

[lhofhansl]

GZDoom version

4.12.2

Which game are you running with GZDoom?

Doom 2

What Operating System are you using?

Linux x86_64

Please describe your specific OS version

Fedora 39

Relevant hardware info

Intel

Have you checked that no other similar issue already exists?

• I have searched and not found similar issues.

A clear and concise description of what the bug is.

Start gzdoom with -host 2. Before anybody joins press 'Q'.

Here's a gdb trace:

Console player number: 0
Press 'Q' to abort network game synchronization.
Waiting for players: .  [ 1/ 2]
Network game synchronization aborted.
Thread 1 "gzdoom" received signal SIGFPE, Arithmetic exception.
0x0000555555b0c2b6 in DFrameBuffer::ScaleCoordsFromWindow(short&, short&) ()
(gdb) bt
#0  0x0000555555b0c2b6 in DFrameBuffer::ScaleCoordsFromWindow(short&, short&) ()
#1  0x000055555567e3f8 in MessagePump(SDL_Event const&) ()
#2  0x000055555567e968 in I_GetEvent() ()
#3  0x000055555580a1e9 in D_DoomLoop() ()
#4  0x000055555580e28c in D_DoomMain_Internal() ()
#5  0x000055555580f510 in GameMain() ()
#6  0x0000555555652c64 in main ()
(gdb)

Steps to reproduce the behaviour.

See above...

Explain how to reproduce

1. start with -host 2
2. press 'Q'
3. notice the exception

Your configuration

All defaults.

Provide a Log

No response