Linux Kernel 4.14.0-rc4+ waitid() Privilege Escalation

define GNUSOURCE include include include include include include include struct cred; struct taskstruct; typedef struct cred preparekernelcredt struct taskstruct daemon attributeregparm3; typedef int commitcredst struct cred new attributeregparm3; preparekernelcredt preparekernelcred; commitcreds...