Bug#421191: python-gtk2: debug version of gtk library causes Segmentation Fault

[Achim Gaedke]

Package: python-gtk2
Version: 2.8.6-8
Severity: normal

install the package libgtk2-2.0-0-dbg

add the symbolic links in /usr/lib/debug/usr/lib
lrwxrwxrwx 1 root root      26 2007-04-26 21:57 libgdk-x11-2.0.so -> libgdk-x11-2.0.so.0.800.20
lrwxrwxrwx 1 root root      26 2007-04-26 21:57 libgdk-x11-2.0.so.0 -> libgdk-x11-2.0.so.0.800.20
lrwxrwxrwx 1 root root      26 2007-04-26 21:57 libgtk-x11-2.0.so -> libgtk-x11-2.0.so.0.800.20
lrwxrwxrwx 1 root root      26 2007-04-26 21:57 libgtk-x11-2.0.so.0 -> libgtk-x11-2.0.so.0.800.20

and try out:

achim at dogbert:~$ LD_LIBRARY_PATH=/usr/lib/debug/usr/lib python -c "import gtk"
Segmentation fault

setting ulimit results in a core file with following backtrace:

#0  0xb7f3107f in _dl_rtld_di_serinfo () from /lib/ld-linux.so.2
#1  0xb7f385b0 in _dl_make_stack_executable () from /lib/ld-linux.so.2
#2  0xb7f34432 in _dl_rtld_di_serinfo () from /lib/ld-linux.so.2
#3  0xb7f37ece in _dl_make_stack_executable () from /lib/ld-linux.so.2
#4  0xb7ef1e1d in dlopen () from /lib/i686/cmov/libdl.so.2
#5  0xb7f34432 in _dl_rtld_di_serinfo () from /lib/ld-linux.so.2
#6  0xb7ef249c in dlerror () from /lib/i686/cmov/libdl.so.2
#7  0xb7ef1d51 in dlopen () from /lib/i686/cmov/libdl.so.2
#8  0x080e1312 in _PyImport_GetDynLoadFunc ()
#9  0x080d6302 in _PyImport_LoadDynamicModule ()
#10 0x080d4325 in PyImport_ExecCodeModule ()
#11 0x080d4a49 in PyImport_ReloadModule ()
#12 0x080d4ef1 in PyImport_ReloadModule ()
#13 0x080d50fe in PyImport_ImportModuleEx ()
#14 0x080afe91 in _PyBuiltin_Init ()
#15 0x080589d7 in PyObject_Call ()
#16 0x080b3d2d in PyEval_CallObjectWithKeywords ()
#17 0x080b7a90 in PyEval_EvalFrame ()
#18 0x080ba765 in PyEval_EvalCodeEx ()
#19 0x080ba7c9 in PyEval_EvalCode ()
#20 0x080d38fc in PyImport_ExecCodeModuleEx ()
#21 0x080d3f76 in PyImport_ExecCodeModule ()
#22 0x080d5886 in PyImport_ImportModule ()
#23 0x080d4a49 in PyImport_ReloadModule ()
#24 0x080d4ef1 in PyImport_ReloadModule ()
#25 0x080d50fe in PyImport_ImportModuleEx ()
#26 0x080afe91 in _PyBuiltin_Init ()
#27 0x080589d7 in PyObject_Call ()
#28 0x080b3d2d in PyEval_CallObjectWithKeywords ()
#29 0x080b7a90 in PyEval_EvalFrame ()
#30 0x080ba765 in PyEval_EvalCodeEx ()
#31 0x080ba7c9 in PyEval_EvalCode ()
#32 0x080dcfcb in PyRun_SimpleStringFlags ()
#33 0x080557a2 in Py_Main ()
#34 0x08055032 in main ()

the same happens with gtk-2.10 and pygtk-2.10 (unstable)

I am trying to trace down a x11 error. Could you also tell me how to use the --sync flag without dbg version of gtk?

The last lines of strace are:

LD_LIBRARY_PATH=/usr/lib/debug/usr/lib strace /usr/bin/python2.4 -c "import gtk"

open("/usr/lib/libpng12.so.0", O_RDONLY) = 5
read(5, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\2406\0"..., 512) = 512
fstat64(5, {st_mode=S_IFREG|0644, st_size=137760, ...}) = 0
mmap2(NULL, 140716, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 5, 0) = 0xb7204000
mmap2(0xb7226000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x21) = 0xb7226000
close(5)                                = 0

so it might be an issue for libpng12, too.

-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.18-4-686 (SMP w/1 CPU core)
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/bash

Versions of packages python-gtk2 depends on:
ii  libatk1.0-0                  1.18.0-2    The ATK accessibility toolkit
ii  libc6                        2.5-1       GNU C Library: Shared libraries
ii  libcairo2                    1.4.4-1     The Cairo 2D vector graphics libra
ii  libfontconfig1               2.4.2-1.2   generic font configuration library
ii  libglib2.0-0                 2.12.11-3   The GLib library of C routines
ii  libgtk2.0-0                  2.8.20-7    The GTK+ graphical user interface 
ii  libpango1.0-0                1.16.2-2    Layout and rendering of internatio
ii  libx11-6                     2:1.0.3-7   X11 client-side library
ii  libxcursor1                  1.1.7-4     X cursor management library
ii  libxext6                     1:1.0.1-2   X11 miscellaneous extension librar
ii  libxfixes3                   1:4.0.1-5   X11 miscellaneous 'fixes' extensio
ii  libxi6                       1:1.0.1-4   X11 Input extension library
ii  libxinerama1                 1:1.0.1-4.1 X11 Xinerama extension library
ii  libxrandr2                   2:1.1.0.2-5 X11 RandR extension library
ii  libxrender1                  1:0.9.1-3   X Rendering Extension client libra
ii  python                       2.4.4-2     An interactive high-level object-o
ii  python-cairo                 1.4.0-2     Python bindings for the Cairo vect
ii  python-numeric               24.2-7      Numerical (matrix-oriented) Mathem
ii  python-support               0.6.3       automated rebuilding support for p

python-gtk2 recommends no packages.

-- no debconf information