MPASS2
MPASS2(fwi == fdi.indata, "FUSE dispatcher "
MPASS2(sizeof(fdip->finh) + fdip->iosize <= fdip->tick->tk_ms_fiov.len,
MPASS2(ngrp >= 0, "negative number of groups");
MPASS2(ngrp <= ngroups_max, "too many supplementary groups");
MPASS2(cr->cr_ref == 1, "'cr_ref' must be 1 (referenced, unshared)");
MPASS2((cr->cr_flags & CRED_FLAG_GROUPSET) == 0,
MPASS2(cr->cr_ref == 1, "'cr_ref' must be 1 (referenced, unshared)");
MPASS2(cr->cr_agroups >= ngrp, "'cr_agroups' too small");
MPASS2((uintptr_t)dirbuf < (uintptr_t)dirbuf + dirbuflen,
MPASS2((uintptr_t)dirbuf <= (uintptr_t)dp &&