1 files changed, 23 insertions, 0 deletions
diff --git a/lib/gitlab/ci/trace/checksum.rb b/lib/gitlab/ci/trace/checksum.rb
index 62532ef1cd2..7cdb6a6c03c 100644
--- a/lib/gitlab/ci/trace/checksum.rb
+++ b/lib/gitlab/ci/trace/checksum.rb
@@ -64,10 +64,33 @@ module Gitlab
           end
         end
 
+        def state_bytesize
+          strong_memoize(:state_bytesize) do
+            build.pending_state&.trace_bytesize
+          end
+        end
+
+        def trace_size
+          strong_memoize(:trace_size) do
+            trace_chunks.sum { |chunk| chunk_size(chunk) }
+          end
+        end
+
+        def corrupted?
+          return false unless has_bytesize?
+          return false if valid?
+
+          state_bytesize.to_i != trace_size.to_i
+        end
+
         def chunks_count
           trace_chunks.to_a.size
         end
 
+        def has_bytesize?
+          state_bytesize.present?
+        end
+
         private
 
         def chunk_size(chunk)