Debian Bug report logs - #661502
apt: "apt-cache search" segfaults if "apt-get update" encountered "a section with no Package: header"

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Axel Beckert <beckert@phys.ethz.ch>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: apt: "apt-cache search" segfaults if "apt-get update" encountered "a section with no Package: header"

Date: Mon, 27 Feb 2012 19:12:49 +0100

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Package: apt
Version: 0.8.10.3+squeeze1
Severity: normal

"apt-get update" currently results in the following error messages on
Squeeze and Sid:

E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/security.debian.org_debian-security_dists_squeeze_updates_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.

If I then search for something with e.g. "apt-cache search .", it
reproducibly segfaults on Squeeze.

On Sid, it just errors out with the same error message as "apt-get
update".

Feel free to close this bug as fixed in Sid if you don't think it's
necessary to fix this in Squeeze.

-- Package-specific info:

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-- System Information:
Debian Release: 6.0.4
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-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/dash

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                   2.11.3-2         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:
ii  apt-doc               0.8.10.3+squeeze1  Documentation for APT
ii  aptitude              0.6.3-3.2+squeeze1 terminal-based package manager (te
ii  bzip2                 1.0.5-6+squeeze1   high-quality block-sorting file co
ii  dpkg-dev              1.15.8.12          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

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