Package: rsync
Version: 3.0.7-2
Severity: important
Tags: patch

backintime started failing, isolated to rsync, fault signature would change
depending upon the command line options. The tail of rsync output had several
incorrect hardlink operations and a error from finish_hard_link()

BACKINTIME: >f+++++++++ home/greg/canons3/new/MVI_4710.AVI
BACKINTIME: hf          home/greg/canons3/party/20110114_122108.JPG =>
home/greg/canons3/party/20110114_121939.JPG
BACKINTIME: hf          home/greg/canons3/party/20110114_135612.JPG =>
home/greg/canons3/party/20110114_121939.JPG
BACKINTIME: hf          home/greg/canons3/party/20110114_135733.JPG =>
home/greg/canons3/party/20110114_121939.JPG
BACKINTIME: hf          home/greg/canons3/party/20110114_132023.JPG =>
home/greg/canons3/party/20110114_121939.JPG
BACKINTIME: hf          home/greg/canons3/party/20110114_131542.JPG =>
home/greg/canons3/party/20110114_121939.JPG
BACKINTIME: hf          home/greg/canons3/party/20110114_131330.JPG =>
home/greg/canons3/party/20110114_121939.JPG
BACKINTIME: hf          home/greg/canons3/party/20110114_123447.AVI =>
home/greg/canons3/party/20110114_121939.JPG
File-list index 0 not in 7644 - 7932 (finish_hard_link) [generator]
rsync error: protocol incompatibility (code 2) at rsync.c(646)
[generator=3.0.7]
rsync: connection unexpectedly closed (1632 bytes received so far) [sender]
rsync error: error in rsync protocol data stream (code 12) at io.c(601)
[sender=3.0.7]

I found a problem in the hashtable grow. The loop that inserts the nonzero
nodes from the old array to the new one copies from size to 1, but should copy
from size-1 to 0.

i changed hashtable.c as follows

greg@desk1:~/rsync-3.0.7$ diff hashtable.c o.hashtable.c
73c73
<               for (i = (size/2)-1;i>=0;i--){
---
>               for (i = size / 2; i-- > 0; ) {


And It appears to work for my case




-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.38-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages rsync depends on:
ii  base-files                    6.3        Debian base system miscellaneous f
ii  libacl1                       2.2.49-4   Access control list shared library
ii  libc6                         2.11.2-11  Embedded GNU C Library: Shared lib
ii  libpopt0                      1.16-1     lib for parsing cmdline parameters
ii  lsb-base                      3.2-27     Linux Standard Base 3.2 init scrip

rsync recommends no packages.

Versions of packages rsync suggests:
ii  openssh-client                1:5.5p1-6  secure shell (SSH) client, for sec
pn  openssh-server                <none>     (no description available)

-- no debconf information



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