--- acct/file_rd.c

+++ acct/file_rd.c

@@ -118,6 +118,10 @@ char *file_reader_get_entry(struct file_rd_info *fri)

                               ? max_recs

                               : fri->buffered_records);

+              /* Prevent UB when incomplete record appears */

+              if (recs_to_read==0)

+                goto no_more_records;

+

               /* Move back in the file */

               (void)fseek(fri->fp, -fri->record_size * recs_to_read,