Bug#566370: python-apt: apt.Cache.update() crashes
Package: python-apt
Version: 0.7.93
Severity: important
This small code snippet results in a crash:
import apt
c = apt.Cache()
c.update()
I have got the same problem in aptdaemon.
Cheers,
Sebastian
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.32-trunk-686 (SMP w/2 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages python-apt depends on:
ii apt [libapt-pkg-libc6.9-6-4. 0.7.25.1 Advanced front-end for dpkg
ii apt-utils [libapt-inst-libc6 0.7.25.1 APT utility programs
ii libc6 2.10.2-5 Embedded GNU C Library: Shared lib
ii libgcc1 1:4.4.2-9 GCC support library
ii libstdc++6 4.4.2-9 The GNU Standard C++ Library v3
ii python 2.5.4-9 An interactive high-level object-o
ii python-central 0.6.14+nmu2 register and build utility for Pyt
Versions of packages python-apt recommends:
ii iso-codes 3.12.1-1 ISO language, territory, currency,
ii libjs-jquery 1.4-1 JavaScript library for dynamic web
ii lsb-release 3.2-23 Linux Standard Base version report
Versions of packages python-apt suggests:
ii python-apt-dbg 0.7.93 Python interface to libapt-pkg (de
ii python-gtk2 2.16.0-1 Python bindings for the GTK+ widge
ii python-vte 1:0.22.5-1 Python bindings for the VTE widget
-- no debconf information
GNU gdb (GDB) 7.0-debian
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
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This GDB was configured as "i486-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/python...Reading symbols from /usr/lib/debug/usr/bin/python2.5...done.
(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/python crash.py
[Thread debugging using libthread_db enabled]
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Program received signal SIGSEGV, Segmentation fault.
PyObject_Malloc (nbytes=37) at ../Objects/obmalloc.c:756
in ../Objects/obmalloc.c
(gdb) bt
#0 PyObject_Malloc (nbytes=37) at ../Objects/obmalloc.c:756
#1 0x0809631c in PyString_FromString (str=0xb7ba5707 "update_status")
at ../Objects/stringobject.c:139
#2 0x08096851 in PyString_InternFromString (cp=0xb7ba5707 "update_status")
at ../Objects/stringobject.c:4995
#3 0x0808b167 in PyObject_GetAttrString (v=0x825c32c, name=0x0)
at ../Objects/object.c:1071
#4 0xb7b9c319 in PyCallbackObj::RunSimpleCallback (this=0xbffff2e8,
method_name=0xb7ba5707 "update_status", arglist=0xb7dcb39c, res=0x0)
at python/progress.cc:54
#5 0xb7b9c721 in PyFetchProgress::UpdateStatus (this=0xbffff29c, Itm=...,
status=0) at python/progress.cc:160
#6 0xb7b9ca8f in PyFetchProgress::Done (this=0xbffff29c, Itm=...)
at python/progress.cc:190
#7 0xb7b12c5a in pkgAcquire::Worker::RunMessages() ()
from /usr/lib/libapt-pkg-libc6.9-6.so.4.8
#8 0xb7b132c2 in pkgAcquire::Worker::InFdReady() ()
from /usr/lib/libapt-pkg-libc6.9-6.so.4.8
#9 0xb7b0b72d in pkgAcquire::RunFds(fd_set*, fd_set*) ()
from /usr/lib/libapt-pkg-libc6.9-6.so.4.8
#10 0xb7b0d47e in pkgAcquire::Run(int) ()
from /usr/lib/libapt-pkg-libc6.9-6.so.4.8
#11 0xb7b06a7e in ListUpdate(pkgAcquireStatus&, pkgSourceList&, int) ()
from /usr/lib/libapt-pkg-libc6.9-6.so.4.8
#12 0xb7b90c98 in PkgCacheUpdate (Self=0x825c34c, Args=0x825961c)
at python/cache.cc:99
#13 0x080cd12a in call_function (f=0x82ba46c, throwflag=0)
at ../Python/ceval.c:3612
#14 PyEval_EvalFrameEx (f=0x82ba46c, throwflag=0) at ../Python/ceval.c:2304
#15 0x080ce445 in PyEval_EvalCodeEx (co=0x8243bf0, globals=0x823c824,
locals=0x0, args=0xb7dc2d58, argcount=1, kws=0x828cff0, kwcount=0,
defs=0x8252f38, defcount=3, closure=0x0) at ../Python/ceval.c:2875
#16 0x0811422e in function_call (func=0x825817c, arg=0xb7dc2d4c, kw=0x825d13c)
at ../Objects/funcobject.c:517
#17 0x0805d2a7 in PyObject_Call (func=0x8361000, arg=0xb7dc2d4c, kw=0x825d13c)
at ../Objects/abstract.c:1861
#18 0x080cba21 in ext_do_call (f=0x82ba2f4, throwflag=0)
at ../Python/ceval.c:3892
#19 PyEval_EvalFrameEx (f=0x82ba2f4, throwflag=0) at ../Python/ceval.c:2344
#20 0x080ce445 in PyEval_EvalCodeEx (co=0xb7774b18, globals=0x823c13c,
locals=0x0, args=0x817a1ac, argcount=1, kws=0x817a1b0, kwcount=0,
defs=0x0, defcount=0, closure=0x825476c) at ../Python/ceval.c:2875
#21 0x080ccde4 in fast_function (f=0x817a074, throwflag=0)
at ../Python/ceval.c:3708
#22 call_function (f=0x817a074, throwflag=0) at ../Python/ceval.c:3633
#23 PyEval_EvalFrameEx (f=0x817a074, throwflag=0) at ../Python/ceval.c:2304
#24 0x080ce445 in PyEval_EvalCodeEx (co=0xb7dbb770, globals=0xb7e0cacc,
locals=0xb7e0cacc, args=0x0, argcount=0, kws=0x0, kwcount=0, defs=0x0,
defcount=0, closure=0x0) at ../Python/ceval.c:2875
#25 0x080ce657 in PyEval_EvalCode (co=0xb7dbb770, globals=0xb7e0cacc,
locals=0xb7e0cacc) at ../Python/ceval.c:514
#26 0x080eb36f in run_mod (fp=0x816b008, filename=0xbffffe32 "crash.py",
start=257, globals=0xb7e0cacc, locals=0xb7e0cacc, closeit=1,
flags=0xbffffc38) at ../Python/pythonrun.c:1273
#27 PyRun_FileExFlags (fp=0x816b008, filename=0xbffffe32 "crash.py",
start=257, globals=0xb7e0cacc, locals=0xb7e0cacc, closeit=1,
flags=0xbffffc38) at ../Python/pythonrun.c:1259
#28 0x080eb62a in PyRun_SimpleFileExFlags (fp=0x816b008,
filename=0xbffffe32 "crash.py", closeit=1, flags=0xbffffc38)
at ../Python/pythonrun.c:879
#29 0x08059350 in Py_Main (argc=1, argv=0xbffffd04) at ../Modules/main.c:532
#30 0x08058742 in main (argc=7, argv=0x1008354d) at ../Modules/python.c:23
(gdb) quit
A debugging session is active.
Inferior 1 [process 7619] will be killed.
Quit anyway? (y or n)
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