https://github.com/systemd/systemd/commit/50d2eba27b9bfc77ef6b40e5721713846815418b#commitcomment-34519739 In add_crypttab_devices() split_keyspec is called on the keyfile argument, which may be NULL.
https://github.com/systemd/systemd/commit/50d2eba27b9bfc77ef6b40e5721713846815418b#commitcomment-34519739 In add_crypttab_devices() split_keyspec is called on the keyfile argument, which may be NULL.