Disable broken aligned_alloc on new versions of macOS and revert to old behaviour.
diff --git a/include/vk_mem_alloc.h b/include/vk_mem_alloc.h
index 3ab71ed..dbaeee9 100644
--- a/include/vk_mem_alloc.h
+++ b/include/vk_mem_alloc.h
@@ -4182,18 +4182,21 @@
static void* vma_aligned_alloc(size_t alignment, size_t size)
{
-#if defined(__APPLE__) && (defined(MAC_OS_X_VERSION_10_16) || defined(__IPHONE_14_0))
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_16 || __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_14_0
- // For C++14, usr/include/malloc/_malloc.h declares aligned_alloc()) only
- // with the MacOSX11.0 SDK in Xcode 12 (which is what adds
- // MAC_OS_X_VERSION_10_16), even though the function is marked
- // availabe for 10.15. That's why the preprocessor checks for 10.16 but
- // the __builtin_available checks for 10.15.
- // People who use C++17 could call aligned_alloc with the 10.15 SDK already.
- if (__builtin_available(macOS 10.15, iOS 13, *))
- return aligned_alloc(alignment, size);
-#endif
-#endif
+ // Unfortunately, aligned_alloc causes VMA to crash due to it returning null pointers. (At least under 11.4)
+ // Therefore, for now disable this specific exception until a proper solution is found.
+ //#if defined(__APPLE__) && (defined(MAC_OS_X_VERSION_10_16) || defined(__IPHONE_14_0))
+ //#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_16 || __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_14_0
+ // // For C++14, usr/include/malloc/_malloc.h declares aligned_alloc()) only
+ // // with the MacOSX11.0 SDK in Xcode 12 (which is what adds
+ // // MAC_OS_X_VERSION_10_16), even though the function is marked
+ // // availabe for 10.15. That's why the preprocessor checks for 10.16 but
+ // // the __builtin_available checks for 10.15.
+ // // People who use C++17 could call aligned_alloc with the 10.15 SDK already.
+ // if (__builtin_available(macOS 10.15, iOS 13, *))
+ // return aligned_alloc(alignment, size);
+ //#endif
+ //#endif
+
// alignment must be >= sizeof(void*)
if(alignment < sizeof(void*))
{
