FM / keys

/proc/sys/kernel/keys

Name	Mode	Actions
gc_delay	0644	edit dl rm
maxbytes	0644	edit dl rm
maxkeys	0644	edit dl rm
persistent_keyring_expiry	0644	edit dl rm
root_maxbytes	0644	edit dl rm
root_maxkeys	0644	edit dl rm

Edit: /proc/sys/kernel/keys/root_maxkeys (0B)

1000000