2 files changed, 4 insertions, 1 deletions
diff --git a/src/vppinfra/dlmalloc.c b/src/vppinfra/dlmalloc.c
index 451666e4c9c..13f0dff8203 100644
--- a/src/vppinfra/dlmalloc.c
+++ b/src/vppinfra/dlmalloc.c
@@ -4139,6 +4139,7 @@ int mspace_is_heap_object (mspace msp, void *p)
   return 0;
 }
 
+CLIB_NOSANITIZE_ADDR
 void *mspace_least_addr (mspace msp)
 {
   mstate ms = (mstate) msp;
@@ -4152,6 +4153,7 @@ void mspace_disable_expand (mspace msp)
   disable_expand (ms);
 }
 
+CLIB_NOSANITIZE_ADDR
 int mspace_enable_disable_trace (mspace msp, int enable)
 {
   mstate ms = (mstate)msp;
diff --git a/src/vppinfra/mem_dlmalloc.c b/src/vppinfra/mem_dlmalloc.c
index 5628e2714c7..68901a5530a 100644
--- a/src/vppinfra/mem_dlmalloc.c
+++ b/src/vppinfra/mem_dlmalloc.c
@@ -215,12 +215,13 @@ clib_mem_init (void *memory, uword memory_size)
   else
     heap = create_mspace (memory_size, 1 /* locked */ );
 
+  CLIB_MEM_POISON (mspace_least_addr (heap), mspace_footprint (heap));
+
   clib_mem_set_heap (heap);
 
   if (mheap_trace_main.lock == 0)
     clib_spinlock_init (&mheap_trace_main.lock);
 
-  CLIB_MEM_POISON (mspace_least_addr (heap), mspace_footprint (heap));
   return heap;
 }