diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 374adb7a67569..0d7a2daa055c7 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -11042,6 +11042,12 @@ int BlueStore::_fsck_on_open(BlueStore::FSCKDepth depth, bool repair)
   return repair ? errors + warnings - (int)repaired : errors;
 }
 
+int BlueStore::get_shared_blob(const string& key,
+			        bufferlist& bl)
+{
+  return db->get(PREFIX_SHARED_BLOB, key, &bl);
+};
+
 /// methods to inject various errors fsck can repair
 void BlueStore::inject_broken_shared_blob_key(const string& key,
 				  const bufferlist& bl)
diff --git a/src/os/bluestore/BlueStore.h b/src/os/bluestore/BlueStore.h
index ffe6c37b3a52e..601b59bed7a93 100644
--- a/src/os/bluestore/BlueStore.h
+++ b/src/os/bluestore/BlueStore.h
@@ -3374,6 +3374,8 @@ class BlueStore : public ObjectStore,
   }
 
   /// methods to inject various errors fsck can repair
+  int get_shared_blob(const std::string& key,
+		       ceph::buffer::list& bl);
   void inject_broken_shared_blob_key(const std::string& key,
 			 const ceph::buffer::list& bl);
   void inject_no_shared_blob_key();
diff --git a/src/test/objectstore/store_test.cc b/src/test/objectstore/store_test.cc
index a12acc0600012..450df045b636d 100644
--- a/src/test/objectstore/store_test.cc
+++ b/src/test/objectstore/store_test.cc
@@ -10191,13 +10191,26 @@ TEST_P(StoreTestSpecificAUSize, BluestoreRepairSharedBlobTest) {
   bstore->umount();
   bstore->mount();
   {
+    bufferlist bl;
     string key;
     _key_encode_u64(1, &key);
     bluestore_shared_blob_t sb(1);
-    sb.ref_map.get(0x822000, block_size);
-    sb.ref_map.get(0x824000, block_size);
-    sb.ref_map.get(0x824000, block_size);
-    bufferlist bl;
+    int r = bstore->get_shared_blob(key, bl);
+    ASSERT_EQ(r, 0);
+    decode(sb, bl);
+    cout << sb.ref_map << std::endl;
+    ASSERT_EQ(sb.ref_map.ref_map.size(), 2);
+    auto it = sb.ref_map.ref_map.begin();
+    ASSERT_EQ(it->second.refs, 1);
+    ASSERT_EQ(it->second.length, block_size);
+    it++;
+    ASSERT_EQ(it->second.refs, 1);
+    ASSERT_EQ(it->second.length, block_size);
+
+    sb.ref_map.get(it->first, block_size);
+    cout << sb.ref_map << std::endl;
+
+    bl.clear();
     encode(sb, bl);
     bstore->inject_broken_shared_blob_key(key, bl);
   }