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--- libmalloc/libmalloc-715.140.5/src/malloc_exclaves.c
+++ libmalloc/libmalloc-792.41.1/src/malloc_exclaves.c
@@ -42,6 +42,10 @@
bool malloc_sanitizer_enabled = false;
+#if CONFIG_MTE
+bool malloc_has_sec_transition = false;
+uint32_t malloc_sec_transition_policy = 0;
+#endif
#if __LIBLIBC_F_ASAN_INSTRUMENTATION
static struct malloc_sanitizer_poison malloc_poison_default = {
@@ -146,10 +150,12 @@
logical_ncpus = _liblibc_plat_num_cpus;
phys_ncpus = _liblibc_plat_num_cpus;
+#if CONFIG_MTE
+ malloc_has_sec_transition = xrt__has_sec_transition();
+#endif
const unsigned malloc_debug_flags = MALLOC_ABORT_ON_CORRUPTION |
MALLOC_ABORT_ON_ERROR;
- mfm_initialize();
malloc_zone_t *xzone = xzm_main_malloc_zone_create(malloc_debug_flags,
NULL, args, NULL);
_malloc_zone_register(xzone, true);
@@ -293,7 +299,7 @@
// excludes 0 == alignment
// relies on sizeof(void *) being a power of two.
- if (alignment < sizeof(void *) ||
+ if (alignment < MALLOC_ZONE_MALLOC_DEFAULT_ALIGN ||
0 != (alignment & (alignment - 1))) {
err = EINVAL;
goto out;
@@ -329,33 +335,42 @@
MALLOC_NOINLINE
void * __sized_by_or_null(size)
+malloc_zone_malloc_with_options(malloc_zone_t *zone, size_t align,
+ size_t size, malloc_zone_malloc_options_t options)
+{
+ if (align != MALLOC_ZONE_MALLOC_DEFAULT_ALIGN &&
+ (os_unlikely((align != 0) && (!powerof2(align) ||
+ ((size & (align-1)) != 0))))) { // equivalent to (size % align != 0)
+ return NULL;
+ }
+
+ if (zone == NULL) {
+ zone = malloc_zones[0];
+ }
+
+ if (zone->version >= 15 && zone->malloc_with_options) {
+ return zone->malloc_with_options(zone, align, size, options);
+ }
+
+ if (align > MALLOC_ZONE_MALLOC_DEFAULT_ALIGN) {
+ void *ptr = zone->memalign(zone, align, size);
+ if (ptr && (options & MALLOC_ZONE_MALLOC_OPTION_CLEAR)) {
+ memset(ptr, 0, size);
+ }
+ return ptr;
+ } else if (options & MALLOC_ZONE_MALLOC_OPTION_CLEAR) {
+ return zone->calloc(zone, 1, size);
+ } else {
+ return zone->malloc(zone, size);
+ }
+}
+
+MALLOC_NOINLINE
+void * __sized_by_or_null(size)
malloc_zone_malloc_with_options_np(malloc_zone_t *zone, size_t align,
size_t size, malloc_options_np_t options)
{
- if (os_unlikely((align != 0) && (!powerof2(align) ||
- ((size & (align-1)) != 0)))) { // equivalent to (size % align != 0)
- return NULL;
- }
-
- if (zone == NULL) {
- zone = malloc_zones[0];
- }
-
- if (zone->version >= 15 && zone->malloc_with_options) {
- return zone->malloc_with_options(zone, align, size, options);
- }
-
- if (align) {
- void *ptr = zone->memalign(zone, align, size);
- if (ptr && (options & MALLOC_NP_OPTION_CLEAR)) {
- memset(ptr, 0, size);
- }
- return ptr;
- } else if (options & MALLOC_NP_OPTION_CLEAR) {
- return zone->calloc(zone, 1, size);
- } else {
- return zone->malloc(zone, size);
- }
+ return malloc_zone_malloc_with_options(zone, align, size, options);
}
boolean_t
@@ -569,7 +584,7 @@
// the test made in malloc_zone_memalign to vet each request. Only if
// that test fails and returns NULL, do we arrive here to detect the
// bogus alignment and give the required EINVAL return.
- if (alignment < sizeof(void *) || // excludes 0 == alignment
+ if (alignment < MALLOC_ZONE_MALLOC_DEFAULT_ALIGN || // excludes 0 == alignment
0 != (alignment & (alignment - 1))) { // relies on sizeof(void *)
// being a power of two.
return EINVAL;