Package: python-gtk2 Version: 2.24.0-3+b1 Severity: normal Hi.
Thanks for your work on python-gtk2. Unfortunately I encounter conditions that make python crash. Please try to execute this snippet: --- import gtk buf = gtk.TextBuffer() gtk.clipboard_get().wait_for_rich_text(buf) --- Doing so I encounter a segmentation fault. Looking with gdb (the code snippet is in file test.py in my environment): > giovanni@amalgama:/tmp$ gdb python > GNU gdb (GDB) 7.6.2 (Debian 7.6.2-1.1) > Copyright (C) 2013 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" > and "show warranty" for details. > This GDB was configured as "x86_64-linux-gnu". > For bug reporting instructions, please see: > <http://www.gnu.org/software/gdb/bugs/>... > Reading symbols from /usr/bin/python2.7...Reading symbols from > /usr/lib/debug/usr/bin/python2.7...done. > done. > (gdb) run test.py > Starting program: /usr/bin/python test.py > warning: Could not load shared library symbols for linux-vdso.so.1. > Do you need "set solib-search-path" or "set sysroot"? > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". > > Program received signal SIGSEGV, Segmentation fault. > 0x00007ffff529e369 in IA__gtk_clipboard_wait_for_rich_text > (clipboard=0xcb3810, buffer=0x2, format=0x7fffffffdd60, > length=0x7fffffffdd68) at /tmp/buildd/gtk+2.0-2.24.23/gtk/gtkclipboard.c:1429 > 1429 /tmp/buildd/gtk+2.0-2.24.23/gtk/gtkclipboard.c: File o directory non > esistente. > (gdb) bt > #0 0x00007ffff529e369 in IA__gtk_clipboard_wait_for_rich_text > (clipboard=0xcb3810, buffer=0x2, format=0x7fffffffdd60, > length=0x7fffffffdd68) at /tmp/buildd/gtk+2.0-2.24.23/gtk/gtkclipboard.c:1429 > #1 0x00007ffff58417ce in ?? () from > /usr/lib/python2.7/dist-packages/gtk-2.0/gtk/_gtk.so > #2 0x000000000050887d in call_function (oparg=<optimized out>, > pp_stack=0x7fffffffdec0) at ../Python/ceval.c:4020 > #3 PyEval_EvalFrameEx (f=f@entry=Frame 0x7ffff7fe1c20, for file test.py, > line 5, in <module> (), throwflag=throwflag@entry=0) at ../Python/ceval.c:2666 > #4 0x0000000000576f9c in PyEval_EvalCodeEx (closure=0x0, defcount=0, > defs=0x0, kwcount=0, kws=0x0, argcount=0, args=0x0, locals=<optimized out>, > globals=<optimized out>, co=<optimized out>) at ../Python/ceval.c:3252 > #5 PyEval_EvalCode (co=0x7ffff7ee9b30, globals=<optimized out>, > locals=<optimized out>) at ../Python/ceval.c:667 > #6 0x0000000000469884 in run_mod (mod=<optimized out>, filename=<optimized > out>, > globals={'__builtins__': <module at remote 0x7ffff7fb8b08>, '__file__': > 'test.py', 'gtk': <module at remote 0x7ffff7ea77f8>, '__package__': None, > 'GPollableInputStream': <type at remote 0xa97820>, 'GInitiallyUnowned': > <GObjectMeta(__gtype__=<gobject.GType at remote 0x7fffed113810>, > __doc__=<gobject.GObject.__doc__ at remote 0x7ffff7ec8090>, __module__='gtk') > at remote 0xb271e0>, '__name__': '__main__', 'GPollableOutputStream': <type > at remote 0xa9f9b0>, 'GFileDescriptorBased': <type at remote 0xa9e170>, > 'buf': <gtk.TextBuffer at remote 0x7fffecbdd6e0>, '__doc__': None}, > locals={'__builtins__': <module at remote 0x7ffff7fb8b08>, '__file__': > 'test.py', 'gtk': <module at remote 0x7ffff7ea77f8>, '__package__': None, > 'GPollableInputStream': <type at remote 0xa97820>, 'GInitiallyUnowned': > <GObjectMeta(__gtype__=<gobject.GType at remote 0x7fffed113810>, > __doc__=<gobject.GObject.__doc__ at remote 0x7ffff7ec8090>, __module__='gtk') > at remote 0xb271e0>, '__name__': '__main__', 'GPollableOutputStream': <type > at remote 0xa9f9b0>, 'GFileDescriptorBased': <type at remote 0xa9e170>, > 'buf': <gtk.TextBuffer at remote 0x7fffecbdd6e0>, '__doc__': None}, > flags=<optimized out>, arena=<optimized out>) at ../Python/pythonrun.c:1370 > #7 0x0000000000469c04 in PyRun_FileExFlags (fp=fp@entry=0x9ee390, > filename=filename@entry=0x7fffffffe554 "test.py", start=start@entry=257, > globals=globals@entry={'__builtins__': <module at remote 0x7ffff7fb8b08>, > '__file__': 'test.py', 'gtk': <module at remote 0x7ffff7ea77f8>, > '__package__': None, 'GPollableInputStream': <type at remote 0xa97820>, > 'GInitiallyUnowned': <GObjectMeta(__gtype__=<gobject.GType at remote > 0x7fffed113810>, __doc__=<gobject.GObject.__doc__ at remote 0x7ffff7ec8090>, > __module__='gtk') at remote 0xb271e0>, '__name__': '__main__', > 'GPollableOutputStream': <type at remote 0xa9f9b0>, 'GFileDescriptorBased': > <type at remote 0xa9e170>, 'buf': <gtk.TextBuffer at remote 0x7fffecbdd6e0>, > '__doc__': None}, > locals=locals@entry={'__builtins__': <module at remote 0x7ffff7fb8b08>, > '__file__': 'test.py', 'gtk': <module at remote 0x7ffff7ea77f8>, > '__package__': None, 'GPollableInputStream': <type at remote 0xa97820>, > 'GInitiallyUnowned': <GObjectMeta(__gtype__=<gobject.GType at remote > 0x7fffed113810>, __doc__=<gobject.GObject.__doc__ at remote 0x7ffff7ec8090>, > __module__='gtk') at remote 0xb271e0>, '__name__': '__main__', > 'GPollableOutputStream': <type at remote 0xa9f9b0>, 'GFileDescriptorBased': > <type at remote 0xa9e170>, 'buf': <gtk.TextBuffer at remote 0x7fffecbdd6e0>, > '__doc__': None}, closeit=closeit@entry=1, flags=flags@entry=0x7fffffffe090) > at ../Python/pythonrun.c:1356 > #8 0x000000000046a809 in PyRun_SimpleFileExFlags (fp=fp@entry=0x9ee390, > filename=<optimized out>, filename@entry=0x7fffffffe554 "test.py", > closeit=closeit@entry=1, flags=flags@entry=0x7fffffffe090) at > ../Python/pythonrun.c:948 > #9 0x000000000046a905 in PyRun_AnyFileExFlags (fp=fp@entry=0x9ee390, > filename=filename@entry=0x7fffffffe554 "test.py", closeit=closeit@entry=1, > flags=flags@entry=0x7fffffffe090) at ../Python/pythonrun.c:752 > #10 0x000000000046b46e in Py_Main (argc=<optimized out>, argv=0x7fffffffe248) > at ../Modules/main.c:640 > #11 0x00007ffff6f15b45 in __libc_start_main (main=0x46b52c <main>, argc=2, > argv=0x7fffffffe248, init=<optimized out>, fini=<optimized out>, > rtld_fini=<optimized out>, stack_end=0x7fffffffe238) at libc-start.c:287 > #12 0x0000000000579514 in _start () > (gdb) It seems that python-gtk2 is faulty here, because in frame #0 buffer is set to 0x2, which is hardly a legitimate value for a pointer. The crash line is actually inspecting buffer: > g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL); (in some other cases I've seen buffer set to 0x3, but cannot reproduce it anymore) Thanks, Giovanni. --- System information. --- Architecture: amd64 Kernel: Linux 3.14-1-amd64 Debian Release: jessie/sid 500 unstable ftp.ch.debian.org 500 stable dl.google.com 500 sid linux.dropbox.com 1 experimental ftp.ch.debian.org --- Package information. --- Depends (Version) | Installed =====================================-+-=============== python (<< 2.8) | 2.7.5-5 python (>= 2.6.6-7~) | 2.7.5-5 python-numpy (>= 1:1.6.1) | 1:1.8.1-1 python-numpy-abi9 | libatk1.0-0 (>= 1.12.4) | libc6 (>= 2.2.5) | libcairo2 (>= 1.2.4) | libfontconfig1 (>= 2.9.0) | libfreetype6 (>= 2.2.1) | libgdk-pixbuf2.0-0 (>= 2.22.0) | libglib2.0-0 (>= 2.24.0) | libgtk2.0-0 (>= 2.24.0) | libpango1.0-0 (>= 1.22.0) | python-cairo (>= 1.0.2-1.1) | python-gobject-2 (>= 2.21.3) | Package's Recommends field is empty. Suggests (Version) | Installed ==============================-+-=========== python-gtk2-doc | 2.24.0-3 -- Giovanni Mascellani <[email protected]> PhD Student - Scuola Normale Superiore, Pisa, Italy http://poisson.phc.unipi.it/~mascellani
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