Juan said that this symptom disappeared since the following change:

revision 1.102
date: 2006/04/19 00:22:15;  author: perseant;  state: Exp;  lines: +7 -3
Avoid a possible sign overflow condition in lfs_truncate, which would result
in a buffer overflow (underflow).  Coverity CID 1521.

So, this PR might be able to be closed.
(maybe pullup is needed, though)
--
soda