diff --git a/table/block_based/block_based_table_iterator.cc b/table/block_based/block_based_table_iterator.cc
index 8c313ed6180fe945796d6425c9cf28ca3008f684..ac47043f0b6bc3ab5c0d250680f03bc100a8f182 100644
--- a/table/block_based/block_based_table_iterator.cc
+++ b/table/block_based/block_based_table_iterator.cc
@@ -79,13 +79,20 @@ void BlockBasedTableIterator::SeekImpl(const Slice* target,
     }
   }
 
-  if (read_options_.auto_readahead_size && read_options_.iterate_upper_bound) {
+  if (read_options_.auto_readahead_size && read_options_.iterate_upper_bound &&
+      is_first_pass) {
     FindReadAheadSizeUpperBound();
     if (target) {
       index_iter_->Seek(*target);
     } else {
       index_iter_->SeekToFirst();
     }
+
+    // Check for IO error.
+    if (!index_iter_->Valid()) {
+      ResetDataIter();
+      return;
+    }
   }
 
   IndexValue v = index_iter_->value();