On Sun, 9 Dec 2018, Nayna Jain wrote: > On secure boot enabled systems, the bootloader verifies the kernel > image and possibly the initramfs signatures based on a set of keys. A > soft reboot(kexec) of the system, with the same kernel image and > initramfs, requires access to the original keys to verify the > signatures. > > This patch allows IMA-appraisal access to those original keys, now > loaded on the platform keyring, needed for verifying the kernel image > and initramfs signatures. > > Signed-off-by: Nayna Jain <nayna@xxxxxxxxxxxxx> > Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx> > Acked-by: Serge Hallyn <serge@xxxxxxxxxx> > - replace 'rc' with 'xattr_len' when calling integrity_digsig_verify() > with INTEGRITY_KEYRING_IMA for readability > Suggested-by: Serge Hallyn <serge@xxxxxxxxxx> Reviewed-by: James Morris <james.morris@xxxxxxxxxxxxx> -- James Morris <jmorris@xxxxxxxxx>