calls to seteuid (2), setreuid (2), or setresuid (2). A set-group-ID program performs ... possibly saved-set) user (group) IDs. setresuid (2) ( setresgid (2)) Modify the process's …process UIDs ( setuid (2), setreuid (2), setresuid (2), setfsuid (2)); • forge UID when passing socket ... filesystem user IDs (using setuid (2), setresuid (2), or similar): • If o…setregid (2), setreuid (2), setresgid (2), setresuid (2), and setgroups (2). STANDARDS For detailssetuid (2), setfsuid (2), setreuid (2), and setresuid (2). For group IDs, the relevant system