Public bug reported:
When closing pavucontrol with the [CTRL]+[q] keyboard shortcut, it
directly segfaults. The problem affects both Ubuntu 20.04 (pavucontrol
4.0-1build1) and 20.10 (pavucontrol 4.0-2) and can easily be reproduced
(tried it on two different machines and also in a VM).
>From the crash dump (also uploaded one via the crash reporting dialog,
don't know if anyone is actively analyzing crash uploads for universe
packages there):
$ cat Stacktrace
#0 0x00007f408d4822c5 in Gtk::Main::quit() () at
/usr/lib/x86_64-linux-gnu/libgtkmm-3.0.so.1
#1 0x000056074fb58204 in ()
#2 0x00007f408d4ebfe9 in
Gtk::Widget_Class::key_press_event_callback(_GtkWidget*, _GdkEventKey*) () at
/usr/lib/x86_64-linux-gnu/libgtkmm-3.0.so.1
#3 0x00007f408c9fa7ec in () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#4 0x00007f408c5b1b56 in () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#5 0x00007f408c5c9f09 in g_signal_emit_valist () at
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#6 0x00007f408c5cada3 in g_signal_emit () at
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7 0x00007f408c9a3514 in () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#8 0x00007f408c851e0f in () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#9 0x00007f408c853a93 in gtk_main_do_event () at
/usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#10 0x00007f408befde89 in () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
#11 0x00007f408bf328e6 in () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
#12 0x00007f408c4be4db in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f408c4be788 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f408c4be853 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f408bc1f54d in g_application_run () at
/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#16 0x000056074fb45579 in main ()
$ cat SegvAnalysis |c++filt
Segfault happened at: 0x7f408d4822c5 <Gtk::Main::quit()+21>: mov
(%rdi),%rax
PC (0x7f408d4822c5) ok
source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable
region)!
destination "%rax" ok
** Affects: pavucontrol (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1915058
Title:
pavucontrol segfaults when closing with [CTRL]+[q]
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