Ticket #8123: reproduce.patch

src/add-ons/kernel/file_systems/bfs/kernel_interface.cpp

@@ -689 +689 @@
 
             return volume->WriteSuperBlock();
         }
+        case 56743:
+        {
+            CachedBlock block(volume);
+
+            // abort a transaction including block 10000
+            {
+                Transaction transaction(volume, 0);
+                block.SetToWritable(transaction, 10000);
+            }
+
+            // fill up the block cache
+            for (int32 i = 10001; i < 1000000; i++)
+                block.SetTo(i);
+
+            // never reached if we triggered a call to RemoveUnusedBlocks()
+
+            return B_OK;
+        }
 
 #ifdef DEBUG_FRAGMENTER
         case 56741: