Bug#692974: synfigstudio: some crashes during layer edition

[Luc Novales]

Package: synfigstudio
Version: 0.63.05-1
Followup-For: Bug #692974

Dear Maintainer,

Selecting top layer canvas and moving it with keyboard arrow keys makes segfault every time.

-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages synfigstudio depends on:
ii  libatkmm-1.6-1      2.22.6-1
ii  libc6               2.13-35
ii  libcairo2           1.12.2-2
ii  libcairomm-1.0-1    1.10.0-1
ii  libgcc1             1:4.7.1-7
ii  libglib2.0-0        2.33.12+really2.32.4-3
ii  libglibmm-2.4-1c2a  2.32.1-1
ii  libgtk2.0-0         2.24.10-2
ii  libgtkmm-2.4-1c2a   1:2.24.2-1
ii  libpangomm-1.4-1    2.28.4-1
ii  libsigc++-2.0-0c2a  2.2.10-0.2
ii  libstdc++6          4.7.1-7
ii  libsynfig0          0.63.05-1

Versions of packages synfigstudio recommends:
ii  synfig-examples  0.63.05-1

synfigstudio suggests no packages.

-- no debconf information

-- gdb trace
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffdda73700 (LWP 4324)]
0x00007ffff59b2b35 in sigc::internal::signal_impl::sweep() () from /usr/lib/x86_64-linux-gnu/libsigc-2.0.so.0
(gdb) bt
#0  0x00007ffff59b2b35 in sigc::internal::signal_impl::sweep() () from /usr/lib/x86_64-linux-gnu/libsigc-2.0.so.0
#1  0x00007ffff59b2b99 in sigc::internal::signal_impl::notify(void*) () from /usr/lib/x86_64-linux-gnu/libsigc-2.0.so.0
#2  0x00007ffff7785831 in synfig::Canvas::disconnect_connections(etl::loose_handle<synfig::Layer>) ()
   from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#3  0x00007ffff7785984 in synfig::Canvas::erase(std::_Deque_iterator<etl::handle<synfig::Layer>, etl::handle<synfig::Layer>&, etl::handle<synfig::Layer>*>) () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#4  0x00007ffff7786098 in synfig::Canvas::clear() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#5  0x00007ffff7786284 in synfig::Canvas::~Canvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#6  0x00007ffff77867d9 in synfig::Canvas::~Canvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#7  0x00007ffff7673240 in synfig::Layer_PasteCanvas::set_sub_canvas(etl::handle<synfig::Canvas>) ()
   from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#8  0x00007ffff7673924 in synfig::Layer_PasteCanvas::~Layer_PasteCanvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#9  0x00007ffff7673a19 in synfig::Layer_PasteCanvas::~Layer_PasteCanvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#10 0x00007ffff77860dc in synfig::Canvas::clear() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#11 0x00007ffff7786284 in synfig::Canvas::~Canvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#12 0x00007ffff77867d9 in synfig::Canvas::~Canvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#13 0x00007ffff7673240 in synfig::Layer_PasteCanvas::set_sub_canvas(etl::handle<synfig::Canvas>) ()
   from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#14 0x00007ffff7673924 in synfig::Layer_PasteCanvas::~Layer_PasteCanvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#15 0x00007ffff7673a19 in synfig::Layer_PasteCanvas::~Layer_PasteCanvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#16 0x00007ffff77860dc in synfig::Canvas::clear() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#17 0x00007ffff7786284 in synfig::Canvas::~Canvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#18 0x00007ffff77867d9 in synfig::Canvas::~Canvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#19 0x00007ffff7673240 in synfig::Layer_PasteCanvas::set_sub_canvas(etl::handle<synfig::Canvas>) ()
   from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#20 0x00007ffff7673924 in synfig::Layer_PasteCanvas::~Layer_PasteCanvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#21 0x00007ffff7673a19 in synfig::Layer_PasteCanvas::~Layer_PasteCanvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#22 0x00007ffff77860dc in synfig::Canvas::clear() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#23 0x00007ffff7786284 in synfig::Canvas::~Canvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#24 0x00007ffff77867d9 in synfig::Canvas::~Canvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#25 0x00007ffff7673240 in synfig::Layer_PasteCanvas::set_sub_canvas(etl::handle<synfig::Canvas>) ()
   from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#26 0x00007ffff7673924 in synfig::Layer_PasteCanvas::~Layer_PasteCanvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#27 0x00007ffff7673a19 in synfig::Layer_PasteCanvas::~Layer_PasteCanvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#28 0x00007ffff77860dc in synfig::Canvas::clear() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#29 0x00007ffff7786284 in synfig::Canvas::~Canvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#30 0x00007ffff77867d9 in synfig::Canvas::~Canvas() () from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#31 0x00007ffff768bdcc in synfig::Target_Scanline::render(synfig::ProgressCallback*) ()
   from /usr/lib/x86_64-linux-gnu/libsynfig.so.0
#32 0x00000000006caed3 in studio::AsyncRenderer::render_target (this=0x14f2d00) at asyncrenderer.cpp:526
#33 0x00007ffff5e2114d in ?? () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#34 0x00007ffff4f27f45 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ffff73ddb50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#36 0x00007ffff446d70d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#37 0x0000000000000000 in ?? ()
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