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--- libmalloc/libmalloc-657.80.3/tests/xctests/sanitizer_tests.m
+++ /dev/null
@@ -1,214 +0,0 @@
-#import "internal.h"
-
-#if CONFIG_SANITIZER
-
-#import <dlfcn.h>
-#import <XCTest/XCTest.h>
-
-#define XCTAssertNotNull(ptr) XCTAssertNotEqual(ptr, NULL)
-
-@interface sanitizer_tests : XCTestCase {
-@private
- malloc_zone_t *wrapped_zone;
- malloc_zone_t *szone;
-}
-@end
-
-@implementation sanitizer_tests
-
-static bool did_allocate = false, did_deallocate = false, did_internal = false;
-static void heap_allocate(uintptr_t ptr, size_t leftrz, size_t alloc, size_t rightrz) {
- did_allocate = true;
-}
-static void heap_deallocate(uintptr_t ptr, size_t sz) {
- did_deallocate = true;
-}
-static void heap_internal(uintptr_t ptr, size_t sz) {
- did_internal = true;
-}
-
-#define REDZONE_SIZE 16
-#define STR(x) XSTR(x)
-#define XSTR(x) #x
-
-- (void)setUp {
- static struct malloc_sanitizer_poison sanitizer_funcs = {
- .heap_allocate_poison = heap_allocate,
- .heap_deallocate_poison = heap_deallocate,
- .heap_internal_poison = heap_internal,
- };
-
- setenv("MallocSanitizerRedzoneSize", STR(REDZONE_SIZE), 1);
- malloc_sanitizer_set_functions(&sanitizer_funcs);
- self->wrapped_zone = create_scalable_zone(0, 0);
- self->szone = sanitizer_create_zone(wrapped_zone);
-}
-
-static void *
-memory_reader(task_t task, vm_address_t address, size_t size)
-{
- void *p = malloc(size);
- memcpy(p, (const void *)address, size);
- return p;
-}
-
-// Exported so that the symbol name isn't stripped and can be looked up via dladdr.
-MALLOC_EXPORT MALLOC_NOINLINE
-void *
-_sanitizer_test_allocationFunction(malloc_zone_t *szone, size_t size) __attribute__((disable_tail_calls)) {
- void *p = malloc_zone_malloc(szone, size);
- return p;
-}
-
-// Exported so that the symbol name isn't stripped and can be looked up via dladdr.
-MALLOC_EXPORT MALLOC_NOINLINE
-void
-_sanitizer_test_deallocationFunction(malloc_zone_t *szone, void *p) __attribute__((disable_tail_calls)) {
- malloc_zone_free(szone, p);
- return;
-}
-
-- (void)testZoneSetup {
- XCTAssertEqual(szone->introspect->zone_type, MALLOC_ZONE_TYPE_SANITIZER);
-
- vm_address_t wrapped_zone_address;
- kern_return_t kr = malloc_get_wrapped_zone(mach_task_self(),
- /*memory_reader=*/NULL, (vm_address_t)szone, &wrapped_zone_address);
- XCTAssertEqual(kr, KERN_SUCCESS);
- XCTAssertEqual(wrapped_zone_address, (vm_address_t)wrapped_zone);
-
- malloc_set_zone_name(szone, "MyZone");
- XCTAssertEqualObjects(@(malloc_get_zone_name(szone)), @("MyZone"));
- XCTAssertEqualObjects(@(malloc_get_zone_name(wrapped_zone)), @"MyZone-Sanitizer-Wrapped");
-}
-
-- (void)testStacktraces {
- void *p = _sanitizer_test_allocationFunction(szone, 32);
- XCTAssertNotNull(p);
- _sanitizer_test_deallocationFunction(szone, p);
-
- sanitizer_report_t report = {};
- kern_return_t ret = sanitizer_diagnose_fault_from_crash_reporter((vm_address_t)p, &report, mach_task_self(), (vm_address_t)szone, memory_reader);
- XCTAssertEqual(ret, KERN_SUCCESS);
-
- XCTAssertEqual(report.fault_address, (uintptr_t)p);
- XCTAssertEqual(report.nearest_allocation, (uintptr_t)p);
- XCTAssertGreaterThanOrEqual(report.allocation_size, 32);
-
- bool allocSiteFrameFound = false;
- for (int i = 0; i < report.alloc_trace.num_frames; i++) {
- Dl_info info = {};
- dladdr((const void *)report.alloc_trace.frames[i], &info);
- NSLog(@"frame[%d] = %s", i, info.dli_sname);
- if ([@(info.dli_sname) isEqualToString:@"_sanitizer_test_allocationFunction"]) {
- allocSiteFrameFound = true;
- break;
- }
- }
- XCTAssertTrue(allocSiteFrameFound);
-
- bool deallocSiteFrameFound = false;
- for (int i = 0; i < report.dealloc_trace.num_frames; i++) {
- Dl_info info = {};
- dladdr((const void *)report.dealloc_trace.frames[i], &info);
- NSLog(@"frame[%d] = %s", i, info.dli_sname);
- if ([@(info.dli_sname) isEqualToString:@"_sanitizer_test_deallocationFunction"]) {
- deallocSiteFrameFound = true;
- break;
- }
- }
- XCTAssertTrue(deallocSiteFrameFound);
-}
-
-- (void)testPoisonAllocation {
- did_allocate = false;
- did_deallocate = false;
-
- XCTAssertFalse(did_allocate);
- XCTAssertFalse(did_deallocate);
-
- const size_t alloc_sz = 1;
- void *p = _sanitizer_test_allocationFunction(szone, alloc_sz);
- XCTAssertNotNull(p);
-
- XCTAssertTrue(did_allocate);
-
- size_t sz = szone->size(szone, p);
- XCTAssertEqual(sz, alloc_sz);
-
- _sanitizer_test_deallocationFunction(szone, p);
- XCTAssertTrue(did_deallocate);
-}
-
-- (void)testBadPoisonAllocation {
- void *p = _sanitizer_test_allocationFunction(szone, SIZE_MAX - (REDZONE_SIZE - 1));
- XCTAssertEqual(p, NULL);
-}
-
-- (void)testAllocationRedzoneSize {
- did_allocate = false;
- did_deallocate = false;
-
- XCTAssertFalse(did_allocate);
- XCTAssertFalse(did_deallocate);
-
- const unsigned ASAN_GRANULARITY = 8;
- const unsigned ALLOCATION_GRANULARITY = 16;
- size_t szs[] = {4, 8, 12, 16, 20, 24};
- for (size_t i = 0; i < sizeof(szs) / sizeof(*szs); ++i) {
- void *p = _sanitizer_test_allocationFunction(szone, szs[i]);
- XCTAssertNotNull(p);
-
- size_t alloc_sz = wrapped_zone->size(wrapped_zone, p);
- size_t usr_sz = szone->size(szone, p);
- // User size should remain unchanged
- XCTAssertEqual(usr_sz, szs[i]);
- // Actual size should be padded to shadow granularity
- XCTAssertEqual(alloc_sz % ASAN_GRANULARITY, 0);
- // Actual size should include padded redzone
- if (!(usr_sz % ALLOCATION_GRANULARITY)) {
- XCTAssertEqual(alloc_sz, usr_sz + REDZONE_SIZE);
- } else {
- XCTAssertEqual(alloc_sz, usr_sz + REDZONE_SIZE + (ALLOCATION_GRANULARITY - (usr_sz & (ALLOCATION_GRANULARITY - 1))));
- }
-
- _sanitizer_test_deallocationFunction(szone, p);
- }
-
- XCTAssertTrue(did_allocate);
- XCTAssertTrue(did_deallocate);
-}
-
-- (void)testInternalPoison {
- char dummy[16];
-
- XCTAssertFalse(did_internal);
- const struct malloc_sanitizer_poison *funcs = malloc_sanitizer_get_functions();
- XCTAssertNotNull(funcs);
- XCTAssertNotNull(funcs->heap_internal_poison);
- funcs->heap_internal_poison((uintptr_t)dummy, sizeof(dummy));
- XCTAssertTrue(did_internal);
-}
-
-/**
- Zero sized allocations are resized to 1
- */
-- (void)testZeroSizedAllocation
-{
- const size_t alloc_sz = 0;
- void *p = _sanitizer_test_allocationFunction(szone, alloc_sz);
- XCTAssertNotNull(p);
-
- size_t sz = szone->size(szone, p);
- XCTAssertEqual(sz, 1);
-
- _sanitizer_test_deallocationFunction(szone, p);
-}
-
-- (void)testInvalidSanitizerSize
-{
- XCTAssertFalse(szone->size(szone, (void *)0x1));
-}
-@end
-
-#endif // CONFIG_SANITIZER