364 	const struct cred *old;  in __sys_setregid()  local
380 	old = current_cred();  in __sys_setregid()
384 		if (gid_eq(old->gid, krgid) ||  in __sys_setregid()
385 		    gid_eq(old->egid, krgid) ||  in __sys_setregid()
386 		    ns_capable_setid(old->user_ns, CAP_SETGID))  in __sys_setregid()
392 		if (gid_eq(old->gid, kegid) ||  in __sys_setregid()
393 		    gid_eq(old->egid, kegid) ||  in __sys_setregid()
394 		    gid_eq(old->sgid, kegid) ||  in __sys_setregid()
395 		    ns_capable_setid(old->user_ns, CAP_SETGID))  in __sys_setregid()
402 	    (egid != (gid_t) -1 && !gid_eq(kegid, old->gid)))  in __sys_setregid()
406 	retval = security_task_fix_setgid(new, old, LSM_SETID_RE);  in __sys_setregid()
430 	const struct cred *old;  in __sys_setgid()  local
442 	old = current_cred();  in __sys_setgid()
445 	if (ns_capable_setid(old->user_ns, CAP_SETGID))  in __sys_setgid()
447 	else if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->sgid))  in __sys_setgid()
452 	retval = security_task_fix_setgid(new, old, LSM_SETID_ID);  in __sys_setgid()
515 	const struct cred *old;  in __sys_setreuid()  local
531 	old = current_cred();  in __sys_setreuid()
536 		if (!uid_eq(old->uid, kruid) &&  in __sys_setreuid()
537 		    !uid_eq(old->euid, kruid) &&  in __sys_setreuid()
538 		    !ns_capable_setid(old->user_ns, CAP_SETUID))  in __sys_setreuid()
544 		if (!uid_eq(old->uid, keuid) &&  in __sys_setreuid()
545 		    !uid_eq(old->euid, keuid) &&  in __sys_setreuid()
546 		    !uid_eq(old->suid, keuid) &&  in __sys_setreuid()
547 		    !ns_capable_setid(old->user_ns, CAP_SETUID))  in __sys_setreuid()
551 	if (!uid_eq(new->uid, old->uid)) {  in __sys_setreuid()
557 	    (euid != (uid_t) -1 && !uid_eq(keuid, old->uid)))  in __sys_setreuid()
561 	retval = security_task_fix_setuid(new, old, LSM_SETID_RE);  in __sys_setreuid()
591 	const struct cred *old;  in __sys_setuid()  local
603 	old = current_cred();  in __sys_setuid()
606 	if (ns_capable_setid(old->user_ns, CAP_SETUID)) {  in __sys_setuid()
608 		if (!uid_eq(kuid, old->uid)) {  in __sys_setuid()
613 	} else if (!uid_eq(kuid, old->uid) && !uid_eq(kuid, new->suid)) {  in __sys_setuid()
619 	retval = security_task_fix_setuid(new, old, LSM_SETID_ID);  in __sys_setuid()
643 	const struct cred *old;  in __sys_setresuid()  local
662 	old = current_cred();  in __sys_setresuid()
665 	if ((ruid == (uid_t) -1 || uid_eq(kruid, old->uid)) &&  in __sys_setresuid()
666 	    (euid == (uid_t) -1 || (uid_eq(keuid, old->euid) &&  in __sys_setresuid()
667 				    uid_eq(keuid, old->fsuid))) &&  in __sys_setresuid()
668 	    (suid == (uid_t) -1 || uid_eq(ksuid, old->suid)))  in __sys_setresuid()
671 	ruid_new = ruid != (uid_t) -1        && !uid_eq(kruid, old->uid) &&  in __sys_setresuid()
672 		   !uid_eq(kruid, old->euid) && !uid_eq(kruid, old->suid);  in __sys_setresuid()
673 	euid_new = euid != (uid_t) -1        && !uid_eq(keuid, old->uid) &&  in __sys_setresuid()
674 		   !uid_eq(keuid, old->euid) && !uid_eq(keuid, old->suid);  in __sys_setresuid()
675 	suid_new = suid != (uid_t) -1        && !uid_eq(ksuid, old->uid) &&  in __sys_setresuid()
676 		   !uid_eq(ksuid, old->euid) && !uid_eq(ksuid, old->suid);  in __sys_setresuid()
678 	    !ns_capable_setid(old->user_ns, CAP_SETUID))  in __sys_setresuid()
687 		if (!uid_eq(kruid, old->uid)) {  in __sys_setresuid()
699 	retval = security_task_fix_setuid(new, old, LSM_SETID_RES);  in __sys_setresuid()
740 	const struct cred *old;  in __sys_setresgid()  local
757 	old = current_cred();  in __sys_setresgid()
760 	if ((rgid == (gid_t) -1 || gid_eq(krgid, old->gid)) &&  in __sys_setresgid()
761 	    (egid == (gid_t) -1 || (gid_eq(kegid, old->egid) &&  in __sys_setresgid()
762 				    gid_eq(kegid, old->fsgid))) &&  in __sys_setresgid()
763 	    (sgid == (gid_t) -1 || gid_eq(ksgid, old->sgid)))  in __sys_setresgid()
766 	rgid_new = rgid != (gid_t) -1        && !gid_eq(krgid, old->gid) &&  in __sys_setresgid()
767 		   !gid_eq(krgid, old->egid) && !gid_eq(krgid, old->sgid);  in __sys_setresgid()
768 	egid_new = egid != (gid_t) -1        && !gid_eq(kegid, old->gid) &&  in __sys_setresgid()
769 		   !gid_eq(kegid, old->egid) && !gid_eq(kegid, old->sgid);  in __sys_setresgid()
770 	sgid_new = sgid != (gid_t) -1        && !gid_eq(ksgid, old->gid) &&  in __sys_setresgid()
771 		   !gid_eq(ksgid, old->egid) && !gid_eq(ksgid, old->sgid);  in __sys_setresgid()
773 	    !ns_capable_setid(old->user_ns, CAP_SETGID))  in __sys_setresgid()
788 	retval = security_task_fix_setgid(new, old, LSM_SETID_RES);  in __sys_setresgid()
833 	const struct cred *old;  in __sys_setfsuid()  local
838 	old = current_cred();  in __sys_setfsuid()
839 	old_fsuid = from_kuid_munged(old->user_ns, old->fsuid);  in __sys_setfsuid()
841 	kuid = make_kuid(old->user_ns, uid);  in __sys_setfsuid()
849 	if (uid_eq(kuid, old->uid)  || uid_eq(kuid, old->euid)  ||  in __sys_setfsuid()
850 	    uid_eq(kuid, old->suid) || uid_eq(kuid, old->fsuid) ||  in __sys_setfsuid()
851 	    ns_capable_setid(old->user_ns, CAP_SETUID)) {  in __sys_setfsuid()
852 		if (!uid_eq(kuid, old->fsuid)) {  in __sys_setfsuid()
854 			if (security_task_fix_setuid(new, old, LSM_SETID_FS) == 0)  in __sys_setfsuid()
877 	const struct cred *old;  in __sys_setfsgid()  local
882 	old = current_cred();  in __sys_setfsgid()
883 	old_fsgid = from_kgid_munged(old->user_ns, old->fsgid);  in __sys_setfsgid()
885 	kgid = make_kgid(old->user_ns, gid);  in __sys_setfsgid()
893 	if (gid_eq(kgid, old->gid)  || gid_eq(kgid, old->egid)  ||  in __sys_setfsgid()
894 	    gid_eq(kgid, old->sgid) || gid_eq(kgid, old->fsgid) ||  in __sys_setfsgid()
895 	    ns_capable_setid(old->user_ns, CAP_SETGID)) {  in __sys_setfsgid()
896 		if (!gid_eq(kgid, old->fsgid)) {  in __sys_setfsgid()
898 			if (security_task_fix_setgid(new,old,LSM_SETID_FS) == 0)  in __sys_setfsgid()
1650 	struct rlimit old, new;  in SYSCALL_DEFINE4()  local
1680 			old_rlim ? &old : NULL);  in SYSCALL_DEFINE4()
1683 		rlim_to_rlim64(&old, &old64);  in SYSCALL_DEFINE4()