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Hyperaggressive asserts pt 2/N
Be far more judicious in the use of curzone-using macros.

*** 951,961 **** static nfsstat4 do_rfs4_op_secinfo(struct compound_state *cs, char *nm, SECINFO4res *resp) { int error, different_export = 0; vnode_t *dvp, *vp; ! struct exportinfo *exi = NULL; fid_t fid; uint_t count, i; secinfo4 *resok_val; struct secinfo *secp; seconfig_t *si; --- 951,961 ---- static nfsstat4 do_rfs4_op_secinfo(struct compound_state *cs, char *nm, SECINFO4res *resp) { int error, different_export = 0; vnode_t *dvp, *vp; ! struct exportinfo *exi; fid_t fid; uint_t count, i; secinfo4 *resok_val; struct secinfo *secp; seconfig_t *si;
*** 962,985 **** bool_t did_traverse = FALSE; int dotdot, walk; nfs_export_t *ne = nfs_get_export(); dvp = cs->vp; dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); /* * If dotdotting, then need to check whether it's above the * root of a filesystem, or above an export point. */ if (dotdot) { ! /* * If dotdotting at the root of a filesystem, then * need to traverse back to the mounted-on filesystem * and do the dotdot lookup there. */ ! if ((cs->vp->v_flag & VROOT) || VN_IS_CURZONEROOT(cs->vp)) { /* * If at the system root, then can * go up no further. */ --- 962,987 ---- bool_t did_traverse = FALSE; int dotdot, walk; nfs_export_t *ne = nfs_get_export(); dvp = cs->vp; + exi = cs->exi; + ASSERT(exi != NULL); dotdot = (nm[0] == '.' && nm[1] == '.' && nm[2] == '\0'); /* * If dotdotting, then need to check whether it's above the * root of a filesystem, or above an export point. */ if (dotdot) { ! ASSERT3U(exi->exi_zoneid, ==, curzone->zone_id); /* * If dotdotting at the root of a filesystem, then * need to traverse back to the mounted-on filesystem * and do the dotdot lookup there. */ ! if ((dvp->v_flag & VROOT) || VN_IS_CURZONEROOT(dvp)) { /* * If at the system root, then can * go up no further. */
*** 987,997 **** return (puterrno4(ENOENT)); /* * Traverse back to the mounted-on filesystem */ ! dvp = untraverse(cs->vp); /* * Set the different_export flag so we remember * to pick up a new exportinfo entry for * this new filesystem. --- 989,999 ---- return (puterrno4(ENOENT)); /* * Traverse back to the mounted-on filesystem */ ! dvp = untraverse(dvp); /* * Set the different_export flag so we remember * to pick up a new exportinfo entry for * this new filesystem.
*** 1001,1011 **** /* * If dotdotting above an export point then set * the different_export to get new export info. */ ! different_export = nfs_exported(cs->exi, cs->vp); } } /* * Get the vnode for the component "nm". --- 1003,1013 ---- /* * If dotdotting above an export point then set * the different_export to get new export info. */ ! different_export = nfs_exported(exi, dvp); } } /* * Get the vnode for the component "nm".
*** 1020,1032 **** * used in the request is valid but not an explicitly shared flavor, * or the access bit indicates that this is a limited access, * check whether this vnode is visible. */ if (!different_export && ! (PSEUDO(cs->exi) || ! is_exported_sec(cs->nfsflavor, cs->exi) || cs->access & CS_ACCESS_LIMITED)) { ! if (! nfs_visible(cs->exi, vp, &different_export)) { VN_RELE(vp); return (puterrno4(ENOENT)); } } --- 1022,1034 ---- * used in the request is valid but not an explicitly shared flavor, * or the access bit indicates that this is a limited access, * check whether this vnode is visible. */ if (!different_export && ! (PSEUDO(exi) || !is_exported_sec(cs->nfsflavor, exi) || cs->access & CS_ACCESS_LIMITED)) { ! if (! nfs_visible(exi, vp, &different_export)) { VN_RELE(vp); return (puterrno4(ENOENT)); } }
*** 1064,1073 **** --- 1066,1076 ---- if (error) { VN_RELE(vp); return (puterrno4(error)); } + /* We'll need to reassign "exi". */ if (dotdot) exi = nfs_vptoexi(NULL, vp, cs->cr, &walk, NULL, TRUE); else exi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp);
*** 1084,1095 **** } else { VN_RELE(vp); return (puterrno4(EACCES)); } } - } else { - exi = cs->exi; } ASSERT(exi != NULL); /* --- 1087,1096 ----
*** 2716,2726 **** * If dotdotting, then need to check whether it's * above the root of a filesystem, or above an * export point. */ if (dotdot) { ! /* * If dotdotting at the root of a filesystem, then * need to traverse back to the mounted-on filesystem * and do the dotdot lookup there. */ --- 2717,2728 ---- * If dotdotting, then need to check whether it's * above the root of a filesystem, or above an * export point. */ if (dotdot) { ! ASSERT(cs->exi != NULL); ! ASSERT3U(cs->exi->exi_zoneid, ==, curzone->zone_id); /* * If dotdotting at the root of a filesystem, then * need to traverse back to the mounted-on filesystem * and do the dotdot lookup there. */