bt
#0 0x00007ffff20ad428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#1 0x00007ffff20af02a in __GI_abort () at abort.c:89
#2 0x00007ffff20ef7ea in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7ffff2208e98 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#3 0x00007ffff20f837a in malloc_printerr (ar_ptr=<optimised out>, ptr=<optimised out>, str=0x7ffff2208fc8 "double free or corruption (!prev)", action=3) at malloc.c:5006
#4 _int_free (av=<optimised out>, p=<optimised out>, have_lock=0) at malloc.c:3867
#5 0x00007ffff20fc53c in __GI___libc_free (mem=<optimised out>) at malloc.c:2968
#6 0x00000000011bd37a in _sbsms_::ArrayRingBuffer<float [2]>::~ArrayRingBuffer (this=0x28cfd70, __in_chrg=<optimised out>) at ../../../../lib-src/sbsms/src/buffer.h:157
#7 _sbsms_::ArrayRingBuffer<float [2]>::~ArrayRingBuffer (this=0x28cfd70, __in_chrg=<optimised out>) at ../../../../lib-src/sbsms/src/buffer.h:158
#8 _sbsms_::ResamplerImp::~ResamplerImp (this=0x28cfce0, __in_chrg=<optimised out>) at ../../../../lib-src/sbsms/src/resample.cpp:84
#9 _sbsms_::Resampler::~Resampler (this=<optimised out>, __in_chrg=<optimised out>) at ../../../../lib-src/sbsms/src/resample.cpp:80
#10 0x0000000000d7f3ec in std::default_delete<_sbsms_::Resampler>::operator() (this=0x7fffffff9868, __ptr=0x28da1d0) at /usr/include/c++/5/bits/unique_ptr.h:76
#11 0x0000000000d7d877 in std::unique_ptr<_sbsms_::Resampler, std::default_delete<_sbsms_::Resampler> >::~unique_ptr (this=0x7fffffff9868, __in_chrg=<optimised out>) at /usr/include/c++/5/bits/unique_ptr.h:236
#12 0x0000000000d7d346 in ResampleBuf::~ResampleBuf (this=0x7fffffff97f0, __in_chrg=<optimised out>) at ../../src/effects/SBSMSEffect.cpp:40
#13 0x0000000000d7c9dd in EffectSBSMS::Process (this=0x28a4c40) at ../../src/effects/SBSMSEffect.cpp:369
#14 0x0000000000d8d2ed in EffectTimeScale::Process (this=0x28a4c40) at ../../src/effects/TimeScale.cpp:191
#15 0x0000000000d1629a in Effect::DoEffect (this=0x28a4c40, parent=0x21b87c0, projectRate=11025, list=0x2279d10, factory=0x21828b0, selectedRegion=0x21b8c98, shouldPrompt=true) at ../../src/effects/Effect.cpp:1226
#16 0x0000000000d2b01b in EffectManager::DoEffect (this=0x1cda860 <EffectManager::Get()::em>, ID=..., parent=0x21b87c0, projectRate=11025, list=0x2279d10, factory=0x21828b0, selectedRegion=0x21b8c98, shouldPrompt=true) at ../../src/effects/EffectManager.cpp:110
#17 0x0000000000b5f016 in AudacityProject::OnEffect (this=0x21b87c0, ID=..., flags=0) at ../../src/Menus.cpp:4346
#18 0x0000000000b83294 in PluginFunctor<AudacityProject>::operator() (this=0x255ad60) at ../../src/commands/CommandFunctors.h:109
#19 0x0000000000caac94 in CommandManager::HandleCommandEntry (this=0x21b8e30, entry=0x255cb10, flags=263980080047, mask=NoFlagsSpecifed, evt=0x0) at ../../src/commands/CommandManager.cpp:1473
#20 0x0000000000caad7e in CommandManager::HandleMenuID (this=0x21b8e30, id=17183, flags=263980080047, mask=NoFlagsSpecifed) at ../../src/commands/CommandManager.cpp:1486
#21 0x0000000000bbb1ad in AudacityProject::OnMenu (this=0x21b87c0, event=...) at ../../src/Project.cpp:2341
#22 0x00007ffff63d11fe in wxAppConsoleBase::CallEventHandler(wxEvtHandler*, wxEventFunctor&, wxEvent&) const () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
#23 0x00007ffff65576e7 in wxEvtHandler::ProcessEventIfMatchesId(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
#24 0x00007ffff65577db in wxEventHashTable::HandleEvent(wxEvent&, wxEvtHandler*) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
#25 0x00007ffff6557b8b in wxEvtHandler::TryHereOnly(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
#26 0x00007ffff6557993 in wxEvtHandler::DoTryChain(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
#27 0x00007ffff6557c75 in wxEvtHandler::ProcessEvent(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
#28 0x00007ffff6ecade8 in wxWindowBase::TryAfter(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so.0
#29 0x00007ffff65579e7 in wxEvtHandler::SafelyProcessEvent(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
#30 0x00007ffff6e6fbff in wxMenuBase::SendEvent(int, int) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so.0
#31 0x00007ffff6d530eb in ?? () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so.0
#32 0x00007ffff3754fa5 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#33 0x00007ffff3766fc1 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#34 0x00007ffff376fd5c in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#35 0x00007ffff377008f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#36 0x00007ffff40b86ee in gtk_widget_activate () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#37 0x00007ffff3fb38dd in gtk_menu_shell_activate_item () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#38 0x00007ffff3fb3c46 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#39 0x00007ffff3fa1aec in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#40 0x00007ffff3754fa5 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#41 0x00007ffff376756e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#42 0x00007ffff376f7f9 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#43 0x00007ffff377008f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#44 0x00007ffff40b993c in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#45 0x00007ffff3fa0284 in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#46 0x00007ffff3fa063b in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#47 0x00007ffff3c14c8c in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#48 0x00007ffff347e197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007ffff347e3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007ffff347e712 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007ffff3f9f697 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#52 0x00007ffff6cb5ed5 in wxGUIEventLoop::DoRun() () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so.0
#53 0x00007ffff6413353 in wxEventLoopBase::Run() () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
#54 0x00007ffff63d8666 in wxAppConsoleBase::MainLoop() () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
#55 0x00007ffff6464f70 in wxEntry(int&, wchar_t**) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
#56 0x0000000000a8fbb3 in main (argc=1, argv=0x7fffffffe4d8) at ../../src/AudacityApp.cpp:689