lib-index: Fix start_offset > sync_offset error handling for in-memory indexes

diff --git a/src/lib-index/mail-transaction-log-file.c b/src/lib-index/mail-transaction-log-file.c
index e1ed74d1db3f327fa89dcd3d5310eec1eb739660..2353ef41723c834a89b459f977d7eb29f3556619 100644 (file)
--- a/src/lib-index/mail-transaction-log-file.c
+++ b/src/lib-index/mail-transaction-log-file.c
@@ -1664,6 +1664,14 @@ log_file_map_check_offsets(struct mail_transaction_log_file *file,
 
        if (start_offset > file->sync_offset) {
                /* broken start offset */
+               if (MAIL_TRANSACTION_LOG_FILE_IN_MEMORY(file)) {
+                       *reason_r = t_strdup_printf(
+                               "%s: start_offset (%"PRIuUOFF_T") > "
+                               "current sync_offset (%"PRIuUOFF_T")",
+                               file->filepath, start_offset, file->sync_offset);
+                       return FALSE;
+               }
+
                if (fstat(file->fd, &st) < 0) {
                        log_file_set_syscall_error(file, "fstat()");
                        st.st_size = -1;