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Bug#636314: apt: Packages.bz2 checksum mismatch not detected



Package: apt
Version: 0.8.10.3+squeeze1
Severity: important

I have a test repository containing a Packages.bz2 file with different
checksums than what is listed in the signed Release file. However,
'apt-get update' does not report any error and shows the resulting
packages in the output of 'apt-cache policy'.

This occurs when accessing the repository with http. I think I have seen
errors reported when using file:/ urls (and uncompressed Packages) files
but I am not certain now.

I've attached a test repository; it's not signed, but I've tried with
signed repositories too. eg rsync dists/squeeze from a Debian mirror
then mess with main/binary-i386/Packages.bz2

-- Package-specific info:

-- apt-config dump --

APT "";
APT::Architecture "i386";
APT::Build-Essential "";
APT::Build-Essential:: "build-essential";
APT::Install-Recommends "1";
APT::Install-Suggests "0";
APT::Acquire "";
APT::Acquire::Translation "environment";
APT::NeverAutoRemove "";
APT::NeverAutoRemove:: "^firmware-linux.*";
APT::NeverAutoRemove:: "^linux-firmware$";
APT::NeverAutoRemove:: "^linux-image.*";
APT::NeverAutoRemove:: "^kfreebsd-image.*";
APT::NeverAutoRemove:: "^linux-restricted-modules.*";
APT::NeverAutoRemove:: "^linux-ubuntu-modules-.*";
APT::Never-MarkAuto-Sections "";
APT::Never-MarkAuto-Sections:: "metapackages";
APT::Never-MarkAuto-Sections:: "restricted/metapackages";
APT::Never-MarkAuto-Sections:: "universe/metapackages";
APT::Never-MarkAuto-Sections:: "multiverse/metapackages";
APT::Never-MarkAuto-Sections:: "oldlibs";
APT::Never-MarkAuto-Sections:: "restricted/oldlibs";
APT::Never-MarkAuto-Sections:: "universe/oldlibs";
APT::Never-MarkAuto-Sections:: "multiverse/oldlibs";
Dir "/";
Dir::State "var/lib/apt/";
Dir::State::lists "lists/";
Dir::State::cdroms "cdroms.list";
Dir::State::mirrors "mirrors/";
Dir::State::extended_states "extended_states";
Dir::State::status "/var/lib/dpkg/status";
Dir::Cache "var/cache/apt/";
Dir::Cache::archives "archives/";
Dir::Cache::srcpkgcache "srcpkgcache.bin";
Dir::Cache::pkgcache "pkgcache.bin";
Dir::Etc "etc/apt/";
Dir::Etc::sourcelist "sources.list";
Dir::Etc::sourceparts "sources.list.d";
Dir::Etc::vendorlist "vendors.list";
Dir::Etc::vendorparts "vendors.list.d";
Dir::Etc::main "apt.conf";
Dir::Etc::netrc "auth.conf";
Dir::Etc::parts "apt.conf.d";
Dir::Etc::preferences "preferences";
Dir::Etc::preferencesparts "preferences.d";
Dir::Etc::trusted "trusted.gpg";
Dir::Etc::trustedparts "trusted.gpg.d";
Dir::Bin "";
Dir::Bin::methods "/usr/lib/apt/methods";
Dir::Bin::dpkg "/usr/bin/dpkg";
Dir::Media "";
Dir::Media::MountPath "/media/apt";
Dir::Log "var/log/apt";
Dir::Log::Terminal "term.log";
Dir::Log::History "history.log";
Dir::Ignore-Files-Silently "";
Dir::Ignore-Files-Silently:: "~$";
Dir::Ignore-Files-Silently:: "\.disabled$";
Dir::Ignore-Files-Silently:: "\.bak$";
Dir::Ignore-Files-Silently:: "\.dpkg-[a-z]+$";
DPkg "";
DPkg::Pre-Install-Pkgs "";
DPkg::Pre-Install-Pkgs:: "/usr/sbin/dpkg-preconfigure --apt || true";
CommandLine "";
CommandLine::AsString "apt-config dump";

-- (no /etc/apt/preferences present) --


-- /etc/apt/sources.list --


#deb http://ftp.us.debian.org/debian/ etch main non-free contrib
#deb http://http.us.debian.org/debian/ etch main non-free contrib
#deb-src http://ftp.us.debian.org/debian/ etch main non-free contrib
#
#deb http://security.debian.org/ etch/updates main contrib non-free
#deb http://volatile.debian.org/debian-volatile etch/volatile main

deb http://ftp.us.debian.org/debian/ squeeze main non-free contrib
deb-src http://ftp.us.debian.org/debian/ squeeze main non-free contrib
deb http://ftp.us.debian.org/debian/ squeeze-updates main non-free contrib
deb-src http://ftp.us.debian.org/debian/ squeeze-updates main non-free contrib

deb http://security.debian.org/ squeeze/updates main contrib non-free
#deb http://volatile.debian.org/debian-volatile squeeze/volatile main

#deb http://www.backports.org/debian squeeze-backports main contrib non-free

-- System Information:
Debian Release: 6.0.2
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.39.1-linode34 (SMP w/4 CPU cores)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages apt depends on:
ii  debian-archive-keyring  2010.08.28       GnuPG archive keys of the Debian a
ii  gnupg                   1.4.10-4         GNU privacy guard - a free PGP rep
ii  libc6                   2.11.2-10        Embedded GNU C Library: Shared lib
ii  libgcc1                 1:4.4.5-8        GCC support library
ii  libstdc++6              4.4.5-8          The GNU Standard C++ Library v3
ii  zlib1g                  1:1.2.3.4.dfsg-3 compression library - runtime

apt recommends no packages.

Versions of packages apt suggests:
pn  apt-doc               <none>             (no description available)
ii  aptitude              0.6.3-3.2          terminal-based package manager (te
ii  bzip2                 1.0.5-6            high-quality block-sorting file co
ii  dpkg-dev              1.15.8.11          Debian package development tools
ii  lzma                  4.43-14            Compression method of 7z format in
ii  python-apt            0.7.100.1+squeeze1 Python interface to libapt-pkg

-- no debconf information

Attachment: test-bz2-hash-error.tar
Description: Unix tar archive


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