microdroid/system/private/kexec.te

# kexec loads a crashdump kernel into memory using the kexec_file_load syscall.
type kexec, domain, coredomain;
type kexec_exec, exec_type, file_type, system_file_type;

# allow kexec to write into /dev/kmsg for logging
allow kexec kmsg_device:chr_file w_file_perms;

# kexec is launched by microdroid_manager with fork/execvp.
allow kexec microdroid_manager:fd use;

# allow kexec to have SYS_BOOT
allow kexec self:capability sys_boot;

# allow kexec to write kmsg_debug
allow kexec kmsg_debug_device:chr_file w_file_perms;