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Bug#270147: marked as done (apt: segfault in package removal)

Your message dated Wed, 13 Apr 2011 12:42:39 +0200
with message-id <20110413124201.GA12114@debian.org>
and subject line Re: Bug#93453: segfaults after caculating dependancy tree.
has caused the Debian Bug report #93453,
regarding apt: segfault in package removal
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
93453: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=93453
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: apt
Version: 0.5.27
Severity: normal

  # apt-get --purge remove doodle
  Reading Package Lists... Done
  Segmentation faulty Tree... 50%
  # gdb apt-get
  GNU gdb 6.1-debian
  Copyright 2004 Free Software Foundation, Inc.
  GDB is free software, covered by the GNU General Public License, and you
  are
  welcome to change it and/or distribute copies of it under certain
  conditions.
  Type "show copying" to see the conditions.
  There is absolutely no warranty for GDB.  Type "show warranty" for
  details.
  This GDB was configured as "i386-linux"...(no debugging symbols
  found)...Using host libthread_db library "/lib/tls/libthread_db.so.1".
  
  (gdb) r --purge remove doodle
  Starting program: /usr/bin/apt-get --purge remove doodle
  (no debugging symbols found)...(no debugging symbols found)...(no
  debugging symbols found)...(no debugging symbols found)...(no debugging
  symbols found)...(noReading Package Lists... Doneno debugging symbols
  found)...
  Building Dependency Tree... 50%
  Program received signal SIGSEGV, Segmentation fault.
  0x4005f416 in pkgDepCache::CheckDep ()
     from /usr/lib/libapt-pkg-libc6.3-5.so.3.3
  (gdb) bt
  #0  0x4005f416 in pkgDepCache::CheckDep ()
     from /usr/lib/libapt-pkg-libc6.3-5.so.3.3
  #1  0x40060189 in pkgDepCache::DependencyState ()
     from /usr/lib/libapt-pkg-libc6.3-5.so.3.3
  #2  0x400605c7 in pkgDepCache::Update ()
     from /usr/lib/libapt-pkg-libc6.3-5.so.3.3
  #3  0x4005f25f in pkgDepCache::Init ()
     from /usr/lib/libapt-pkg-libc6.3-5.so.3.3
  #4  0x40081014 in pkgCacheFile::Open ()
     from /usr/lib/libapt-pkg-libc6.3-5.so.3.3
  #5  0x0805e277 in std::vector<pkgSrcRecords::Parser::BuildDepRec,
  std::allocator<pkgSrcRecords::Parser::BuildDepRec> >::_M_insert_aux ()
  #6  0x080553cf in ?? ()
  #7  0x40053f3c in CommandLine::DispatchArg ()
     from /usr/lib/libapt-pkg-libc6.3-5.so.3.3
  #8  0x0805d706 in ?? ()
  #9  0x401b27f8 in __libc_start_main () from /lib/tls/libc.so.6
  #10 0x402d4edc in ?? () from /lib/tls/libc.so.6


Other apt bug reports reported success in moving aside
/var/cache/apt/*.bin so I did that and was able to remove the package
without a segfault. I still have the *.bin files if someone needs them.

-- Package-specific info:

-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.6-1-686-smp
Locale: LANG=C, LC_CTYPE=C

Versions of packages apt depends on:
ii  libc6                       2.3.2.ds1-16 GNU C Library: Shared libraries an
ii  libgcc1                     1:3.4.1-7    GCC support library
ii  libstdc++5                  1:3.3.4-11   The GNU Standard C++ Library v3

-- no debconf information

--- End Message ---
--- Begin Message --- 
Closing this bug, as it is not really something that can
be fixed in APT.

On Tue, Apr 10, 2001 at 09:51:14AM +1000, Brian May wrote:
> Package: apt
> Version: 0.5.3
> Severity: normal
> 
> (note: recompiled for stable; same version works fine on other
> computer)
> 
> snoopy:~# chroot  /nfsroot/potato/root/
> snoopy:/# apt-get upgrade
> Reading Package Lists...
> Building Dependency Tree...
> Segmentation fault
>  
> snoopy:/# gdb apt-get
> GNU gdb 19990928
> Copyright 1998 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i686-pc-linux-gnu"...
> (no debugging symbols found)...
> (gdb) set args upgradwe
> (gdb) set args upgrade 
> (gdb) r
> Starting program: /usr/bin/apt-get upgrade
> (no debugging symbols found)...(no debugging symbols found)...
> (no debugging symbols found)...(no debugging symbols found)...
> Reading Package Lists...
> Building Dependency Tree...
> (no debugging symbols found)...
> Program received signal SIGSEGV, Segmentation fault.
> 0x400736af in pkgProblemResolver::MakeScores ()
>    from /usr/lib/libapt-pkg-libc6.1-3-2.so.3.1
> (gdb) bt
> #0  0x400736af in pkgProblemResolver::MakeScores ()
>    from /usr/lib/libapt-pkg-libc6.1-3-2.so.3.1
> #1  0x400756ad in pkgProblemResolver::ResolveByKeep ()
>    from /usr/lib/libapt-pkg-libc6.1-3-2.so.3.1
> #2  0x40072fec in pkgAllUpgrade () from /usr/lib/libapt-pkg-libc6.1-3-2.so.3.1
> #3  0x80572fb in strcpy ()
> #4  0x40059d4a in CommandLine::DispatchArg ()
>    from /usr/lib/libapt-pkg-libc6.1-3-2.so.3.1
> #5  0x80619c0 in strcpy ()
> #6  0x40163a52 in __libc_start_main () from /lib/libc.so.6
> 
> 
> Steps to try and fix (with no sucess):
> 
> 1. upgrade from 0.5.0 to 0.5.3
> 
> 2. try same image on different computers (NFS-Root). I think
> chroot should be most reliable. In any case I get the same error
> everywhere.
> 
> 3. tried combinations of -s, install, and -d, but always get the same error.
> 
> 4. created an /etc/apt/preferences file. Same as what is used on
> a working system:
> 
> Package: autoconf
> Pin: release a=stable
> Pin-Priority: 1001
> 
> Package: automake
> Pin: release a=stable
> Pin-Priority: 1001
> 
> Package: libtool
> Pin: release a=stable
> Pin-Priority: 1001
> 
> Package: *
> Pin: release a=stable
> Pin-Priority: 600
> 
> Package: *
> Pin: release a=potato
> Pin-Priority: 600
> 
> Package: *
> Pin: release o=helix
> Pin-Priority: 700
> 
> Possibly something is currupt on this root directory, but I don't
> know what (everything looks OK to me), and even if that is the
> case, apt-get should not segfault.
> 
> I think I saw something at one stage with apt-get from stable about the
> status file being currupt. I looked at that file, and it looks fine.
> Nor does dpkg have any problems accessing it. I can send it to you on
> request. However, I think it might be just a false lead.
> 
> -- System Information
> Debian Release: 2.2
> Architecture: i386
> Kernel: Linux snoopy 2.4.3 #1 Sat Mar 31 13:50:13 EST 2001 i686
> 
> Versions of packages apt depends on:
> ii  libc6                        2.1.3-17    GNU C Library: Shared libraries an
> ii  libstdc++2.10                1:2.95.2-13 The GNU stdc++ library            
> 
> 
> 

-- 
Julian Andres Klode  - Debian Developer, Ubuntu Member

See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/.

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