# android user-space log manager type logd, domain, mlstrustedsubject; type logd_exec, exec_type, file_type; init_daemon_domain(logd) allow logd self:capability { setuid setgid sys_nice audit_control }; allow logd self:capability2 syslog; allow logd self:netlink_audit_socket { create_socket_perms nlmsg_write }; allow logd kernel:system syslog_read; allow logd kmsg_device:chr_file w_file_perms; r_dir_file(logd, domain) userdebug_or_eng(` # Debug output type_transition logd device:file logd_debug; allow logd device:dir rw_dir_perms; allow logd logd_debug:file create_file_perms; ') allow logd kernel:system syslog_mod; ### ### Neverallow rules ### ### logd should NEVER do any of this # Block device access. neverallow logd dev_type:blk_file { read write }; # ptrace any other app neverallow logd domain:process ptrace; # Write to /system. neverallow logd system_file:dir_file_class_set write; # Write to files in /data/data or system files on /data neverallow logd { app_data_file system_data_file }:dir_file_class_set write;