diff --git a/src/crimson/osd/lsan_suppressions.cc b/src/crimson/osd/lsan_suppressions.cc
index 19ad4ece59fb3..648f4a7ada0d0 100644
--- a/src/crimson/osd/lsan_suppressions.cc
+++ b/src/crimson/osd/lsan_suppressions.cc
@@ -10,7 +10,8 @@
   __attribute__((used))
 
 static char kLSanDefaultSuppressions[] =
-  "leak:InitModule\n";
+  "leak:InitModule\n"
+  "leak:MallocExtension::Initialize\n";
 
 SANITIZER_HOOK_ATTRIBUTE const char *__lsan_default_suppressions() {
   return kLSanDefaultSuppressions;
diff --git a/src/perfglue/CMakeLists.txt b/src/perfglue/CMakeLists.txt
index 66e2f2bf96315..9ad73d576e4e5 100644
--- a/src/perfglue/CMakeLists.txt
+++ b/src/perfglue/CMakeLists.txt
@@ -1,4 +1,4 @@
-if(ALLOCATOR STREQUAL "tcmalloc" AND NOT WITH_SEASTAR)
+if(ALLOCATOR STREQUAL "tcmalloc")
   add_library(heap_profiler STATIC
     heap_profiler.cc)
   target_link_libraries(heap_profiler
diff --git a/src/test/crimson/CMakeLists.txt b/src/test/crimson/CMakeLists.txt
index 6e39d338a4d34..1f9b6208db82f 100644
--- a/src/test/crimson/CMakeLists.txt
+++ b/src/test/crimson/CMakeLists.txt
@@ -41,7 +41,8 @@ add_executable(test-async-echo
 target_link_libraries(test-async-echo ceph-common global)
 
 add_executable(unittest-seastar-alienstore-thread-pool
-  test_alienstore_thread_pool.cc)
+  test_alienstore_thread_pool.cc
+  ${PROJECT_SOURCE_DIR}/src/crimson/osd/lsan_suppressions.cc)
 add_ceph_unittest(unittest-seastar-alienstore-thread-pool
   --memory 256M --smp 1)
 target_link_libraries(unittest-seastar-alienstore-thread-pool
diff --git a/src/test/crimson/seastore/CMakeLists.txt b/src/test/crimson/seastore/CMakeLists.txt
index 1f6ddb778d0e1..5c6c2771ce1aa 100644
--- a/src/test/crimson/seastore/CMakeLists.txt
+++ b/src/test/crimson/seastore/CMakeLists.txt
@@ -40,7 +40,8 @@ target_link_libraries(
 
 add_executable(unittest-object-data-handler
   test_object_data_handler.cc
-  ../gtest_seastar.cc)
+  ../gtest_seastar.cc
+  ${PROJECT_SOURCE_DIR}/src/crimson/osd/lsan_suppressions.cc)
 add_ceph_unittest(unittest-object-data-handler
   --memory 256M --smp 1)
 target_link_libraries(
@@ -52,7 +53,8 @@ target_link_libraries(
 
 add_executable(unittest-collection-manager
   test_collection_manager.cc
-  ../gtest_seastar.cc)
+  ../gtest_seastar.cc
+  ${PROJECT_SOURCE_DIR}/src/crimson/osd/lsan_suppressions.cc)
 add_ceph_test(unittest-collection-manager
   unittest-collection-manager --memory 256M --smp 1)
 target_link_libraries(