From 56d46ab519bba2ddb5061bd174d832c9f704d6fe Mon Sep 17 00:00:00 2001
From: Max Charlamb <44248479+max-charlamb@users.noreply.github.com>
Date: Fri, 5 Sep 2025 10:17:12 -0400
Subject: [PATCH] fix dac_gc_heap marshalling

---
 src/coreclr/debug/daccess/request_svr.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/coreclr/debug/daccess/request_svr.cpp b/src/coreclr/debug/daccess/request_svr.cpp
index d1dd6f046e8370..388c74ee12026c 100644
--- a/src/coreclr/debug/daccess/request_svr.cpp
+++ b/src/coreclr/debug/daccess/request_svr.cpp
@@ -225,7 +225,9 @@ HRESULT
 ClrDataAccess::ServerGCInterestingInfoData(CLRDATA_ADDRESS addr, DacpGCInterestingInfoData *interestingInfoData)
 {
 #ifdef GC_CONFIG_DRIVEN
-    dac_gc_heap *pHeap = __DPtr<dac_gc_heap>(TO_TADDR(addr));
+    TADDR heapAddress = TO_TADDR(addr);
+    dac_gc_heap heap = LoadGcHeapData(heapAddress);
+    dac_gc_heap* pHeap = &heap;
 
     size_t* dataPoints = (size_t*)&(pHeap->interesting_data_per_heap);
     for (int i = 0; i < NUM_GC_DATA_POINTS; i++)