crimson/os/seastore/transaction_manager: verify type in read_pin_by_type

Signed-off-by: Yingxin Cheng <[email protected]>
cybozu · Nov 28, 2024 · 19581dd · 19581dd
1 parent 6187425
commit 19581dd
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/crimson/os/seastore/transaction_manager.h b/src/crimson/os/seastore/transaction_manager.h
@@ -993,7 +993,11 @@ class TransactionManager : public ExtentCallbackInterface {
     // checking the lba child must be atomic with creating
     // and linking the absent child
     if (v.has_child()) {
-      return std::move(v.get_child_fut());
+      return std::move(v.get_child_fut()
+      ).si_then([type](auto ext) {
+        ceph_assert(ext->get_type() == type);
+        return ext;
+      });
     } else {
       return pin_to_extent_by_type(t, std::move(pin), type);
     }