simple valgrind test found what appear to be serious memory problems

[Paul Eggert]

After building the git version of tar, I tried a very simple
test, namely I used "rlog" on an RCS file I had lying around,
running it under valgrind.  This found several problems, some
of which appear to be serious.  The number of problems in what
should be an easy test to pass suggests that a code audit
needs to be done.  I am attaching a copy of the RCS file
(compressed) and of the valgrind output.  This was on
x86-64 RHEL 5 with GCC 4.5.1.

INSTALL,v.gz
Description: GNU Zip compressed data

valgrind.txt
Description: Text document