Because we can increment the refcount back above 0, the calculation of the contiguous top needs to be contiguousTop + totalSize, because the validtotalsize can contain data that's well beyond the old contiguous top

1 files changed, 1 insertions, 1 deletions

diff --git a/src/rabbit_msg_store.erl b/src/rabbit_msg_store.erl
index 4ca91aa1b5..7f249ed1b1 100644
--- a/src/rabbit_msg_store.erl
+++ b/src/rabbit_msg_store.erl
@@ -825,7 +825,7 @@ add_to_file_summary(#file_summary { valid_total_size = ValidTotalSize,
                     #msstate { file_summary_ets = FileSummaryEts }) ->
     ValidTotalSize1 = ValidTotalSize + TotalSize,
     ContiguousTop1 = case Offset =:= ContiguousTop of
-                         true  -> ValidTotalSize1;
+                         true  -> ContiguousTop + TotalSize;
                          false -> ContiguousTop
                      end,
     true =