Docker stopped working with error message OCI runtime create failed
You may need to enable apparmor in your kernel parameters (apparmor=1 lsm=lockdown,yama,apparmor,bpf)
See https://www.reddit.com/r/archlinux/comments/ldhx0v/cant_start_docker_containers_on_latest_kernel/
I'm not sure what happened there, but the next morning (around 7 hours after I posted this), there was an update on my system, which seems to have resolved the issue