370 	const struct cred *old;  in __sys_setregid()  local
386 	old = current_cred();  in __sys_setregid()
390 		if (gid_eq(old->gid, krgid) ||  in __sys_setregid()
391 		    gid_eq(old->egid, krgid) ||  in __sys_setregid()
392 		    ns_capable_setid(old->user_ns, CAP_SETGID))  in __sys_setregid()
398 		if (gid_eq(old->gid, kegid) ||  in __sys_setregid()
399 		    gid_eq(old->egid, kegid) ||  in __sys_setregid()
400 		    gid_eq(old->sgid, kegid) ||  in __sys_setregid()
401 		    ns_capable_setid(old->user_ns, CAP_SETGID))  in __sys_setregid()
408 	    (egid != (gid_t) -1 && !gid_eq(kegid, old->gid)))  in __sys_setregid()
412 	retval = security_task_fix_setgid(new, old, LSM_SETID_RE);  in __sys_setregid()
436 	const struct cred *old;  in __sys_setgid()  local
448 	old = current_cred();  in __sys_setgid()
451 	if (ns_capable_setid(old->user_ns, CAP_SETGID))  in __sys_setgid()
453 	else if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->sgid))  in __sys_setgid()
458 	retval = security_task_fix_setgid(new, old, LSM_SETID_ID);  in __sys_setgid()
527 	const struct cred *old;  in __sys_setreuid()  local
543 	old = current_cred();  in __sys_setreuid()
548 		if (!uid_eq(old->uid, kruid) &&  in __sys_setreuid()
549 		    !uid_eq(old->euid, kruid) &&  in __sys_setreuid()
550 		    !ns_capable_setid(old->user_ns, CAP_SETUID))  in __sys_setreuid()
556 		if (!uid_eq(old->uid, keuid) &&  in __sys_setreuid()
557 		    !uid_eq(old->euid, keuid) &&  in __sys_setreuid()
558 		    !uid_eq(old->suid, keuid) &&  in __sys_setreuid()
559 		    !ns_capable_setid(old->user_ns, CAP_SETUID))  in __sys_setreuid()
563 	if (!uid_eq(new->uid, old->uid)) {  in __sys_setreuid()
569 	    (euid != (uid_t) -1 && !uid_eq(keuid, old->uid)))  in __sys_setreuid()
573 	retval = security_task_fix_setuid(new, old, LSM_SETID_RE);  in __sys_setreuid()
608 	const struct cred *old;  in __sys_setuid()  local
620 	old = current_cred();  in __sys_setuid()
623 	if (ns_capable_setid(old->user_ns, CAP_SETUID)) {  in __sys_setuid()
625 		if (!uid_eq(kuid, old->uid)) {  in __sys_setuid()
630 	} else if (!uid_eq(kuid, old->uid) && !uid_eq(kuid, new->suid)) {  in __sys_setuid()
636 	retval = security_task_fix_setuid(new, old, LSM_SETID_ID);  in __sys_setuid()
665 	const struct cred *old;  in __sys_setresuid()  local
684 	old = current_cred();  in __sys_setresuid()
687 	if ((ruid == (uid_t) -1 || uid_eq(kruid, old->uid)) &&  in __sys_setresuid()
688 	    (euid == (uid_t) -1 || (uid_eq(keuid, old->euid) &&  in __sys_setresuid()
689 				    uid_eq(keuid, old->fsuid))) &&  in __sys_setresuid()
690 	    (suid == (uid_t) -1 || uid_eq(ksuid, old->suid)))  in __sys_setresuid()
693 	ruid_new = ruid != (uid_t) -1        && !uid_eq(kruid, old->uid) &&  in __sys_setresuid()
694 		   !uid_eq(kruid, old->euid) && !uid_eq(kruid, old->suid);  in __sys_setresuid()
695 	euid_new = euid != (uid_t) -1        && !uid_eq(keuid, old->uid) &&  in __sys_setresuid()
696 		   !uid_eq(keuid, old->euid) && !uid_eq(keuid, old->suid);  in __sys_setresuid()
697 	suid_new = suid != (uid_t) -1        && !uid_eq(ksuid, old->uid) &&  in __sys_setresuid()
698 		   !uid_eq(ksuid, old->euid) && !uid_eq(ksuid, old->suid);  in __sys_setresuid()
700 	    !ns_capable_setid(old->user_ns, CAP_SETUID))  in __sys_setresuid()
709 		if (!uid_eq(kruid, old->uid)) {  in __sys_setresuid()
721 	retval = security_task_fix_setuid(new, old, LSM_SETID_RES);  in __sys_setresuid()
767 	const struct cred *old;  in __sys_setresgid()  local
784 	old = current_cred();  in __sys_setresgid()
787 	if ((rgid == (gid_t) -1 || gid_eq(krgid, old->gid)) &&  in __sys_setresgid()
788 	    (egid == (gid_t) -1 || (gid_eq(kegid, old->egid) &&  in __sys_setresgid()
789 				    gid_eq(kegid, old->fsgid))) &&  in __sys_setresgid()
790 	    (sgid == (gid_t) -1 || gid_eq(ksgid, old->sgid)))  in __sys_setresgid()
793 	rgid_new = rgid != (gid_t) -1        && !gid_eq(krgid, old->gid) &&  in __sys_setresgid()
794 		   !gid_eq(krgid, old->egid) && !gid_eq(krgid, old->sgid);  in __sys_setresgid()
795 	egid_new = egid != (gid_t) -1        && !gid_eq(kegid, old->gid) &&  in __sys_setresgid()
796 		   !gid_eq(kegid, old->egid) && !gid_eq(kegid, old->sgid);  in __sys_setresgid()
797 	sgid_new = sgid != (gid_t) -1        && !gid_eq(ksgid, old->gid) &&  in __sys_setresgid()
798 		   !gid_eq(ksgid, old->egid) && !gid_eq(ksgid, old->sgid);  in __sys_setresgid()
800 	    !ns_capable_setid(old->user_ns, CAP_SETGID))  in __sys_setresgid()
815 	retval = security_task_fix_setgid(new, old, LSM_SETID_RES);  in __sys_setresgid()
860 	const struct cred *old;  in __sys_setfsuid()  local
865 	old = current_cred();  in __sys_setfsuid()
866 	old_fsuid = from_kuid_munged(old->user_ns, old->fsuid);  in __sys_setfsuid()
868 	kuid = make_kuid(old->user_ns, uid);  in __sys_setfsuid()
876 	if (uid_eq(kuid, old->uid)  || uid_eq(kuid, old->euid)  ||  in __sys_setfsuid()
877 	    uid_eq(kuid, old->suid) || uid_eq(kuid, old->fsuid) ||  in __sys_setfsuid()
878 	    ns_capable_setid(old->user_ns, CAP_SETUID)) {  in __sys_setfsuid()
879 		if (!uid_eq(kuid, old->fsuid)) {  in __sys_setfsuid()
881 			if (security_task_fix_setuid(new, old, LSM_SETID_FS) == 0)  in __sys_setfsuid()
904 	const struct cred *old;  in __sys_setfsgid()  local
909 	old = current_cred();  in __sys_setfsgid()
910 	old_fsgid = from_kgid_munged(old->user_ns, old->fsgid);  in __sys_setfsgid()
912 	kgid = make_kgid(old->user_ns, gid);  in __sys_setfsgid()
920 	if (gid_eq(kgid, old->gid)  || gid_eq(kgid, old->egid)  ||  in __sys_setfsgid()
921 	    gid_eq(kgid, old->sgid) || gid_eq(kgid, old->fsgid) ||  in __sys_setfsgid()
922 	    ns_capable_setid(old->user_ns, CAP_SETGID)) {  in __sys_setfsgid()
923 		if (!gid_eq(kgid, old->fsgid)) {  in __sys_setfsgid()
925 			if (security_task_fix_setgid(new,old,LSM_SETID_FS) == 0)  in __sys_setfsgid()
1684 	struct rlimit old, new;  in SYSCALL_DEFINE4()  local
1714 			old_rlim ? &old : NULL);  in SYSCALL_DEFINE4()
1717 		rlim_to_rlim64(&old, &old64);  in SYSCALL_DEFINE4()