This is xnu-12377.1.9. See this file in:
/*
* Copyright (c) 2024 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
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*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* vm/configurator_vm_allocate.c
*
* Test vm_allocate(FIXED and FIXED|OVERWRITE) with many different VM states.
*/
#include "configurator/vm_configurator_tests.h"
#include "configurator/vm_configurator_helpers.h"
#include "exc_guard_helper.h"
T_GLOBAL_META(
T_META_NAMESPACE("xnu.vm.configurator"),
T_META_RADAR_COMPONENT_NAME("xnu"),
T_META_RADAR_COMPONENT_VERSION("VM"),
T_META_RUN_CONCURRENTLY(true),
T_META_ASROOT(true), /* required for vm submap sysctls */
T_META_ALL_VALID_ARCHS(true)
);
/*
* rdar://143341561 vm_allocate(FIXED | OVERWRITE) sometimes provokes EXC_GUARD
* Remove this when that bug is fixed.
*
* normal workaround: run vm_allocate with the EXC_GUARD catcher in place
* when the test is expected to hit rdar://143341561
* Rosetta workaround: EXC_GUARD catcher doesn't work on Rosetta, so don't run
* vm_allocate when the test is expected to hit rdar://143341561
*/
#define workaround_rdar_143341561 1
/*
* Update the checker list after a successful call to vm_allocate().
* Any pre-existing checkers inside this range are deleted and replaced.
*/
static void
checker_perform_successful_vm_allocate(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size,
uint16_t user_tag)
{
/* Make a new checker for the allocation. */
vm_entry_checker_t *new_checker = make_checker_for_vm_allocate(
checker_list, start, size, VM_MAKE_TAG(user_tag));
entry_checker_range_t new_range = { new_checker, new_checker };
/* Find existing checkers in the address range. */
entry_checker_range_t old_range =
checker_list_find_and_clip_including_holes(checker_list, start, size);
/* Free the old checkers and insert the new checker. */
checker_list_replace_range(checker_list, old_range, new_range);
}
#if workaround_rdar_143341561
/*
* Return true if flags has VM_FLAGS_FIXED
* This is non-trivial because VM_FLAGS_FIXED is zero;
* the real value is the absence of VM_FLAGS_ANYWHERE.
*/
static bool
is_fixed(int flags)
{
static_assert(VM_FLAGS_FIXED == 0, "this test requires VM_FLAGS_FIXED be zero");
static_assert(VM_FLAGS_ANYWHERE != 0, "this test requires VM_FLAGS_ANYWHERE be nonzero");
return !(flags & VM_FLAGS_ANYWHERE);
}
/* Return true if flags has VM_FLAGS_FIXED and VM_FLAGS_OVERWRITE set. */
static bool
is_fixed_overwrite(int flags)
{
return is_fixed(flags) && (flags & VM_FLAGS_OVERWRITE);
}
#endif /* workaround_rdar_143341561 */
static bool
call_vm_allocate_and_expect_result(
mach_vm_address_t start,
mach_vm_size_t size,
int flags_and_tag,
kern_return_t expected_kr)
{
#if workaround_rdar_143341561
__block mach_vm_address_t allocated = start;
__block kern_return_t kr;
exc_guard_helper_info_t exc_info;
bool caught_exception =
block_raised_exc_guard_of_type_ignoring_translated(GUARD_TYPE_VIRT_MEMORY, &exc_info, ^{
kr = mach_vm_allocate(mach_task_self(), &allocated, size, flags_and_tag);
});
if (caught_exception) {
if (is_fixed_overwrite(flags_and_tag)) {
T_LOG("warning: rdar://143341561 mmap(FIXED) should work "
"regardless of whether a mapping exists at the addr");
} else {
T_FAIL("unexpected EXC_GUARD during vm_allocate");
return false;
}
}
#else /* not workaround_rdar_143341561 */
mach_vm_address_t allocated = start;
kern_return_t kr =
mach_vm_allocate(mach_task_self(), &allocated, size, flags_and_tag);
#endif /* not workaround_rdar_143341561 */
if (kr != expected_kr) {
T_EXPECT_MACH_ERROR(kr, expected_kr, "mach_vm_allocate(flags 0x%x)", flags_and_tag);
return false;
}
if (allocated != start) {
T_FAIL("mach_vm_allocate(flags 0x%x) returned address 0x%llx (expected 0x%llx)",
flags_and_tag, allocated, start);
return false;
}
return true;
}
static bool
call_vm_allocate_and_expect_success(
mach_vm_address_t start,
mach_vm_size_t size,
int flags_and_tag)
{
return call_vm_allocate_and_expect_result(start, size, flags_and_tag, KERN_SUCCESS);
}
static bool
call_vm_allocate_and_expect_no_space(
mach_vm_address_t start,
mach_vm_size_t size,
int flags_and_tag)
{
return call_vm_allocate_and_expect_result(start, size, flags_and_tag, KERN_NO_SPACE);
}
static test_result_t
successful_vm_allocate_fixed(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
if (!call_vm_allocate_and_expect_success(start, size, VM_FLAGS_FIXED)) {
return TestFailed;
}
checker_perform_successful_vm_allocate(checker_list, start, size, 0);
return verify_vm_state(checker_list, "after vm_allocate(FIXED)");
}
static test_result_t
test_permanent_entry_fixed_overwrite(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE)) {
return TestFailed;
}
/* one permanent entry, it becomes inaccessible */
checker_perform_vm_deallocate_permanent(checker_list, start, size);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_before_permanent_fixed_overwrite(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE)) {
return TestFailed;
}
/* two permanent entries, both become inaccessible */
checker_perform_vm_deallocate_permanent(checker_list, start, size / 2);
checker_perform_vm_deallocate_permanent(checker_list, start + size / 2, size / 2);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_before_allocation_fixed_overwrite(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE)) {
return TestFailed;
}
/*
* one permanent entry, becomes inaccessible
* one nonpermanent allocation, unchanged
*/
checker_perform_vm_deallocate_permanent(checker_list, start, size / 2);
/* [start + size/2, start + size) unchanged */
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_before_allocation_fixed_overwrite_rdar144128567(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE)) {
return TestFailed;
}
/*
* one permanent entry, becomes inaccessible
* one nonpermanent allocation, becomes deallocated (rdar://144128567)
*/
checker_perform_vm_deallocate_permanent(checker_list, start, size / 2);
checker_perform_successful_vm_deallocate(checker_list, start + size / 2, size / 2);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_before_hole_fixed_overwrite(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE)) {
return TestFailed;
}
/*
* one permanent entry, becomes inaccessible
* one hole, unchanged
*/
checker_perform_vm_deallocate_permanent(checker_list, start, size / 2);
/* no change for addresses [start + size / 2, start + size) */
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_after_allocation_fixed_overwrite(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE)) {
return TestFailed;
}
/*
* one nonpermanent allocation, becomes deallocated
* one permanent entry, becomes inaccessible
*/
checker_perform_successful_vm_deallocate(checker_list, start, size / 2);
checker_perform_vm_deallocate_permanent(checker_list, start + size / 2, size / 2);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_after_hole_fixed_overwrite(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE)) {
return TestFailed;
}
/*
* one hole, unchanged
* one permanent entry, becomes inaccessible
*/
/* no change for addresses [start, start + size / 2) */
checker_perform_vm_deallocate_permanent(checker_list, start + size / 2, size / 2);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_entry_fixed_overwrite_with_neighbor_tags(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
uint16_t tag;
/*
* Allocate with a tag matching the entry to the left,
*/
tag = get_app_specific_user_tag_for_address(start - 1);
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE | VM_MAKE_TAG(tag))) {
return TestFailed;
}
/* one permanent entry, it becomes inaccessible */
checker_perform_vm_deallocate_permanent(checker_list, start, size);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_before_permanent_fixed_overwrite_with_neighbor_tags(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
uint16_t tag;
/*
* Allocate with a tag matching the entry to the left,
*/
tag = get_app_specific_user_tag_for_address(start - 1);
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE | VM_MAKE_TAG(tag))) {
return TestFailed;
}
/* two permanent entries, both become inaccessible */
checker_perform_vm_deallocate_permanent(checker_list, start, size / 2);
checker_perform_vm_deallocate_permanent(checker_list, start + size / 2, size / 2);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_before_allocation_fixed_overwrite_with_neighbor_tags(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
uint16_t tag;
/*
* Allocate with a tag matching the entry to the left,
*/
tag = get_app_specific_user_tag_for_address(start - 1);
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE | VM_MAKE_TAG(tag))) {
return TestFailed;
}
/*
* one permanent entry, becomes inaccessible
* one nonpermanent allocation, unchanged
*/
checker_perform_vm_deallocate_permanent(checker_list, start, size / 2);
/* [start + size/2, start + size) unchanged */
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_before_allocation_fixed_overwrite_with_neighbor_tags_rdar144128567(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
uint16_t tag;
/*
* Allocate with a tag matching the entry to the left,
*/
tag = get_app_specific_user_tag_for_address(start - 1);
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE | VM_MAKE_TAG(tag))) {
return TestFailed;
}
/*
* one permanent entry, becomes inaccessible
* one nonpermanent allocation, becomes deallocated (rdar://144128567)
*/
checker_perform_vm_deallocate_permanent(checker_list, start, size / 2);
checker_perform_successful_vm_deallocate(checker_list, start + size / 2, size / 2);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_before_hole_fixed_overwrite_with_neighbor_tags(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
uint16_t tag;
/*
* Allocate with a tag matching the entry to the left,
*/
tag = get_app_specific_user_tag_for_address(start - 1);
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE | VM_MAKE_TAG(tag))) {
return TestFailed;
}
/*
* one permanent entry, becomes inaccessible
* one hole, unchanged
*/
checker_perform_vm_deallocate_permanent(checker_list, start, size / 2);
/* no change for addresses [start + size / 2, start + size) */
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_after_allocation_fixed_overwrite_with_neighbor_tags(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
uint16_t tag;
/*
* Allocate with a tag matching the entry to the left,
*/
tag = get_app_specific_user_tag_for_address(start - 1);
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE | VM_MAKE_TAG(tag))) {
return TestFailed;
}
/*
* one nonpermanent allocation, becomes deallocated
* one permanent entry, becomes inaccessible
*/
checker_perform_successful_vm_deallocate(checker_list, start, size / 2);
checker_perform_vm_deallocate_permanent(checker_list, start + size / 2, size / 2);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
test_permanent_after_hole_fixed_overwrite_with_neighbor_tags(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
#if workaround_rdar_143341561
if (isRosetta()) {
T_LOG("warning: can't work around rdar://143341561 on Rosetta; just passing instead");
return TestSucceeded;
}
#endif
uint16_t tag;
/*
* Allocate with a tag matching the entry to the left,
*/
tag = get_app_specific_user_tag_for_address(start - 1);
if (!call_vm_allocate_and_expect_no_space(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE | VM_MAKE_TAG(tag))) {
return TestFailed;
}
/*
* one hole, unchanged
* one permanent entry, becomes inaccessible
*/
/* no change for addresses [start, start + size / 2) */
checker_perform_vm_deallocate_permanent(checker_list, start + size / 2, size / 2);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
fixed_no_space(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
if (!call_vm_allocate_and_expect_no_space(start, size, VM_FLAGS_FIXED)) {
return TestFailed;
}
/* no checker update here, call should have no side effects */
return verify_vm_state(checker_list, "after vm_allocate(FIXED)");
}
static test_result_t
successful_vm_allocate_fixed_overwrite_with_tag(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size,
uint16_t tag)
{
if (!call_vm_allocate_and_expect_success(
start, size, VM_FLAGS_FIXED | VM_FLAGS_OVERWRITE | VM_MAKE_TAG(tag))) {
return TestFailed;
}
checker_perform_successful_vm_allocate(checker_list, start, size, tag);
return verify_vm_state(checker_list, "after vm_allocate(FIXED | OVERWRITE)");
}
static test_result_t
successful_vm_allocate_fixed_overwrite(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
return successful_vm_allocate_fixed_overwrite_with_tag(
checker_list, start, size, 0);
}
static test_result_t
successful_vm_allocate_fixed_overwrite_with_neighbor_tags(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
uint16_t tag;
/*
* Allocate with a tag matching the entry to the left,
* to probe simplify behavior.
*/
tag = get_app_specific_user_tag_for_address(start - 1);
if (TestFailed == successful_vm_allocate_fixed_overwrite_with_tag(
checker_list, start, size, tag)) {
return TestFailed;
}
/*
* Allocate again, with a tag matching the entry to the right,
* to probe simplify behavior.
*/
tag = get_app_specific_user_tag_for_address(start + size);
if (TestFailed == successful_vm_allocate_fixed_overwrite_with_tag(
checker_list, start, size, tag)) {
return TestFailed;
}
return TestSucceeded;
}
T_DECL(vm_allocate_fixed,
"run vm_allocate(FIXED) with various vm configurations")
{
vm_tests_t tests = {
.single_entry_1 = fixed_no_space,
.single_entry_2 = fixed_no_space,
.single_entry_3 = fixed_no_space,
.single_entry_4 = fixed_no_space,
.multiple_entries_1 = fixed_no_space,
.multiple_entries_2 = fixed_no_space,
.multiple_entries_3 = fixed_no_space,
.multiple_entries_4 = fixed_no_space,
.multiple_entries_5 = fixed_no_space,
.multiple_entries_6 = fixed_no_space,
.some_holes_1 = fixed_no_space,
.some_holes_2 = fixed_no_space,
.some_holes_3 = fixed_no_space,
.some_holes_4 = fixed_no_space,
.some_holes_5 = fixed_no_space,
.some_holes_6 = fixed_no_space,
.some_holes_7 = fixed_no_space,
.some_holes_8 = fixed_no_space,
.some_holes_9 = fixed_no_space,
.some_holes_10 = fixed_no_space,
.some_holes_11 = fixed_no_space,
.some_holes_12 = fixed_no_space,
.all_holes_1 = successful_vm_allocate_fixed,
.all_holes_2 = successful_vm_allocate_fixed,
.all_holes_3 = successful_vm_allocate_fixed,
.all_holes_4 = successful_vm_allocate_fixed,
.null_entry = fixed_no_space,
.nonresident_entry = fixed_no_space,
.resident_entry = fixed_no_space,
.shared_entry = fixed_no_space,
.shared_entry_discontiguous = fixed_no_space,
.shared_entry_partial = fixed_no_space,
.shared_entry_pairs = fixed_no_space,
.shared_entry_x1000 = fixed_no_space,
.cow_entry = fixed_no_space,
.cow_unreferenced = fixed_no_space,
.cow_nocow = fixed_no_space,
.nocow_cow = fixed_no_space,
.cow_unreadable = fixed_no_space,
.cow_unwriteable = fixed_no_space,
.permanent_entry = fixed_no_space,
.permanent_before_permanent = fixed_no_space,
.permanent_before_allocation = fixed_no_space,
.permanent_before_allocation_2 = fixed_no_space,
.permanent_before_hole = fixed_no_space,
.permanent_after_allocation = fixed_no_space,
.permanent_after_hole = fixed_no_space,
.single_submap_single_entry = fixed_no_space,
.single_submap_single_entry_first_pages = fixed_no_space,
.single_submap_single_entry_last_pages = fixed_no_space,
.single_submap_single_entry_middle_pages = fixed_no_space,
.single_submap_oversize_entry_at_start = fixed_no_space,
.single_submap_oversize_entry_at_end = fixed_no_space,
.single_submap_oversize_entry_at_both = fixed_no_space,
.submap_before_allocation = fixed_no_space,
.submap_after_allocation = fixed_no_space,
.submap_before_hole = fixed_no_space,
.submap_after_hole = fixed_no_space,
.submap_allocation_submap_one_entry = fixed_no_space,
.submap_allocation_submap_two_entries = fixed_no_space,
.submap_allocation_submap_three_entries = fixed_no_space,
.submap_before_allocation_ro = fixed_no_space,
.submap_after_allocation_ro = fixed_no_space,
.submap_before_hole_ro = fixed_no_space,
.submap_after_hole_ro = fixed_no_space,
.submap_allocation_submap_one_entry_ro = fixed_no_space,
.submap_allocation_submap_two_entries_ro = fixed_no_space,
.submap_allocation_submap_three_entries_ro = fixed_no_space,
.protection_single_000_000 = fixed_no_space,
.protection_single_000_r00 = fixed_no_space,
.protection_single_000_0w0 = fixed_no_space,
.protection_single_000_rw0 = fixed_no_space,
.protection_single_r00_r00 = fixed_no_space,
.protection_single_r00_rw0 = fixed_no_space,
.protection_single_0w0_0w0 = fixed_no_space,
.protection_single_0w0_rw0 = fixed_no_space,
.protection_single_rw0_rw0 = fixed_no_space,
.protection_pairs_000_000 = fixed_no_space,
.protection_pairs_000_r00 = fixed_no_space,
.protection_pairs_000_0w0 = fixed_no_space,
.protection_pairs_000_rw0 = fixed_no_space,
.protection_pairs_r00_000 = fixed_no_space,
.protection_pairs_r00_r00 = fixed_no_space,
.protection_pairs_r00_0w0 = fixed_no_space,
.protection_pairs_r00_rw0 = fixed_no_space,
.protection_pairs_0w0_000 = fixed_no_space,
.protection_pairs_0w0_r00 = fixed_no_space,
.protection_pairs_0w0_0w0 = fixed_no_space,
.protection_pairs_0w0_rw0 = fixed_no_space,
.protection_pairs_rw0_000 = fixed_no_space,
.protection_pairs_rw0_r00 = fixed_no_space,
.protection_pairs_rw0_0w0 = fixed_no_space,
.protection_pairs_rw0_rw0 = fixed_no_space,
};
run_vm_tests("vm_allocate_fixed", __FILE__, &tests, argc, argv);
}
T_DECL(vm_allocate_fixed_overwrite,
"run vm_allocate(FIXED|OVERWRITE) with various vm configurations")
{
#if workaround_rdar_143341561
enable_non_fatal_vm_exc_guard();
#endif
vm_tests_t tests = {
.single_entry_1 = successful_vm_allocate_fixed_overwrite,
.single_entry_2 = successful_vm_allocate_fixed_overwrite,
.single_entry_3 = successful_vm_allocate_fixed_overwrite,
.single_entry_4 = successful_vm_allocate_fixed_overwrite,
.multiple_entries_1 = successful_vm_allocate_fixed_overwrite,
.multiple_entries_2 = successful_vm_allocate_fixed_overwrite,
.multiple_entries_3 = successful_vm_allocate_fixed_overwrite,
.multiple_entries_4 = successful_vm_allocate_fixed_overwrite,
.multiple_entries_5 = successful_vm_allocate_fixed_overwrite,
.multiple_entries_6 = successful_vm_allocate_fixed_overwrite,
.some_holes_1 = successful_vm_allocate_fixed_overwrite,
.some_holes_2 = successful_vm_allocate_fixed_overwrite,
.some_holes_3 = successful_vm_allocate_fixed_overwrite,
.some_holes_4 = successful_vm_allocate_fixed_overwrite,
.some_holes_5 = successful_vm_allocate_fixed_overwrite,
.some_holes_6 = successful_vm_allocate_fixed_overwrite,
.some_holes_7 = successful_vm_allocate_fixed_overwrite,
.some_holes_8 = successful_vm_allocate_fixed_overwrite,
.some_holes_9 = successful_vm_allocate_fixed_overwrite,
.some_holes_10 = successful_vm_allocate_fixed_overwrite,
.some_holes_11 = successful_vm_allocate_fixed_overwrite,
.some_holes_12 = successful_vm_allocate_fixed_overwrite,
.all_holes_1 = successful_vm_allocate_fixed_overwrite,
.all_holes_2 = successful_vm_allocate_fixed_overwrite,
.all_holes_3 = successful_vm_allocate_fixed_overwrite,
.all_holes_4 = successful_vm_allocate_fixed_overwrite,
.null_entry = successful_vm_allocate_fixed_overwrite,
.nonresident_entry = successful_vm_allocate_fixed_overwrite,
.resident_entry = successful_vm_allocate_fixed_overwrite,
.shared_entry = successful_vm_allocate_fixed_overwrite,
.shared_entry_discontiguous = successful_vm_allocate_fixed_overwrite,
.shared_entry_partial = successful_vm_allocate_fixed_overwrite,
.shared_entry_pairs = successful_vm_allocate_fixed_overwrite,
.shared_entry_x1000 = successful_vm_allocate_fixed_overwrite,
.cow_entry = successful_vm_allocate_fixed_overwrite,
.cow_unreferenced = successful_vm_allocate_fixed_overwrite,
.cow_nocow = successful_vm_allocate_fixed_overwrite,
.nocow_cow = successful_vm_allocate_fixed_overwrite,
.cow_unreadable = successful_vm_allocate_fixed_overwrite,
.cow_unwriteable = successful_vm_allocate_fixed_overwrite,
.permanent_entry = test_permanent_entry_fixed_overwrite,
.permanent_before_permanent = test_permanent_before_permanent_fixed_overwrite,
.permanent_before_allocation = test_permanent_before_allocation_fixed_overwrite,
.permanent_before_allocation_2 = test_permanent_before_allocation_fixed_overwrite_rdar144128567,
.permanent_before_hole = test_permanent_before_hole_fixed_overwrite,
.permanent_after_allocation = test_permanent_after_allocation_fixed_overwrite,
.permanent_after_hole = test_permanent_after_hole_fixed_overwrite,
.single_submap_single_entry = successful_vm_allocate_fixed_overwrite,
.single_submap_single_entry_first_pages = successful_vm_allocate_fixed_overwrite,
.single_submap_single_entry_last_pages = successful_vm_allocate_fixed_overwrite,
.single_submap_single_entry_middle_pages = successful_vm_allocate_fixed_overwrite,
.single_submap_oversize_entry_at_start = successful_vm_allocate_fixed_overwrite,
.single_submap_oversize_entry_at_end = successful_vm_allocate_fixed_overwrite,
.single_submap_oversize_entry_at_both = successful_vm_allocate_fixed_overwrite,
.submap_before_allocation = successful_vm_allocate_fixed_overwrite,
.submap_after_allocation = successful_vm_allocate_fixed_overwrite,
.submap_before_hole = successful_vm_allocate_fixed_overwrite,
.submap_after_hole = successful_vm_allocate_fixed_overwrite,
.submap_allocation_submap_one_entry = successful_vm_allocate_fixed_overwrite,
.submap_allocation_submap_two_entries = successful_vm_allocate_fixed_overwrite,
.submap_allocation_submap_three_entries = successful_vm_allocate_fixed_overwrite,
.submap_before_allocation_ro = successful_vm_allocate_fixed_overwrite,
.submap_after_allocation_ro = successful_vm_allocate_fixed_overwrite,
.submap_before_hole_ro = successful_vm_allocate_fixed_overwrite,
.submap_after_hole_ro = successful_vm_allocate_fixed_overwrite,
.submap_allocation_submap_one_entry_ro = successful_vm_allocate_fixed_overwrite,
.submap_allocation_submap_two_entries_ro = successful_vm_allocate_fixed_overwrite,
.submap_allocation_submap_three_entries_ro = successful_vm_allocate_fixed_overwrite,
.protection_single_000_000 = successful_vm_allocate_fixed_overwrite,
.protection_single_000_r00 = successful_vm_allocate_fixed_overwrite,
.protection_single_000_0w0 = successful_vm_allocate_fixed_overwrite,
.protection_single_000_rw0 = successful_vm_allocate_fixed_overwrite,
.protection_single_r00_r00 = successful_vm_allocate_fixed_overwrite,
.protection_single_r00_rw0 = successful_vm_allocate_fixed_overwrite,
.protection_single_0w0_0w0 = successful_vm_allocate_fixed_overwrite,
.protection_single_0w0_rw0 = successful_vm_allocate_fixed_overwrite,
.protection_single_rw0_rw0 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_000_000 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_000_r00 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_000_0w0 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_000_rw0 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_r00_000 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_r00_r00 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_r00_0w0 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_r00_rw0 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_0w0_000 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_0w0_r00 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_0w0_0w0 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_0w0_rw0 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_rw0_000 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_rw0_r00 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_rw0_0w0 = successful_vm_allocate_fixed_overwrite,
.protection_pairs_rw0_rw0 = successful_vm_allocate_fixed_overwrite,
};
run_vm_tests("vm_allocate_fixed_overwrite", __FILE__, &tests, argc, argv);
}
T_DECL(vm_allocate_fixed_overwrite_with_neighbor_tags,
"run vm_allocate(FIXED|OVERWRITE|tag) with various vm configurations "
"and tags copied from neighboring entries")
{
#if workaround_rdar_143341561
enable_non_fatal_vm_exc_guard();
#endif
vm_tests_t tests = {
.single_entry_1 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.single_entry_2 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.single_entry_3 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.single_entry_4 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.multiple_entries_1 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.multiple_entries_2 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.multiple_entries_3 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.multiple_entries_4 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.multiple_entries_5 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.multiple_entries_6 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_1 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_2 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_3 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_4 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_5 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_6 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_7 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_8 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_9 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_10 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_11 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.some_holes_12 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.all_holes_1 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.all_holes_2 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.all_holes_3 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.all_holes_4 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.null_entry = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.nonresident_entry = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.resident_entry = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.shared_entry = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.shared_entry_discontiguous = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.shared_entry_partial = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.shared_entry_pairs = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.shared_entry_x1000 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.cow_entry = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.cow_unreferenced = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.cow_nocow = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.nocow_cow = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.cow_unreadable = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.cow_unwriteable = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.permanent_entry = test_permanent_entry_fixed_overwrite_with_neighbor_tags,
.permanent_before_permanent = test_permanent_before_permanent_fixed_overwrite_with_neighbor_tags,
.permanent_before_allocation = test_permanent_before_allocation_fixed_overwrite_with_neighbor_tags,
.permanent_before_allocation_2 = test_permanent_before_allocation_fixed_overwrite_with_neighbor_tags_rdar144128567,
.permanent_before_hole = test_permanent_before_hole_fixed_overwrite_with_neighbor_tags,
.permanent_after_allocation = test_permanent_after_allocation_fixed_overwrite_with_neighbor_tags,
.permanent_after_hole = test_permanent_after_hole_fixed_overwrite_with_neighbor_tags,
.single_submap_single_entry = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.single_submap_single_entry_first_pages = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.single_submap_single_entry_last_pages = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.single_submap_single_entry_middle_pages = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.single_submap_oversize_entry_at_start = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.single_submap_oversize_entry_at_end = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.single_submap_oversize_entry_at_both = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_before_allocation = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_after_allocation = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_before_hole = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_after_hole = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_allocation_submap_one_entry = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_allocation_submap_two_entries = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_allocation_submap_three_entries = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_before_allocation_ro = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_after_allocation_ro = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_before_hole_ro = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_after_hole_ro = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_allocation_submap_one_entry_ro = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_allocation_submap_two_entries_ro = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.submap_allocation_submap_three_entries_ro = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_single_000_000 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_single_000_r00 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_single_000_0w0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_single_000_rw0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_single_r00_r00 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_single_r00_rw0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_single_0w0_0w0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_single_0w0_rw0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_single_rw0_rw0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_000_000 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_000_r00 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_000_0w0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_000_rw0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_r00_000 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_r00_r00 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_r00_0w0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_r00_rw0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_0w0_000 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_0w0_r00 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_0w0_0w0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_0w0_rw0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_rw0_000 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_rw0_r00 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_rw0_0w0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
.protection_pairs_rw0_rw0 = successful_vm_allocate_fixed_overwrite_with_neighbor_tags,
};
run_vm_tests("vm_allocate_fixed_overwrite_with_neighbor_tags", __FILE__, &tests, argc, argv);
}