GNU gdb (Ubuntu 9.2-0ubuntu1~20.04.1) 9.2 Copyright (C) 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later 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". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /bin/sh... (No debugging symbols found in /bin/sh) (gdb) handle SIG33 pass nostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) run virtualbox Starting program: /usr/bin/sh virtualbox /usr/bin/sh: 0: Can't open virtualbox [Inferior 1 (process 1073210) exited with code 0177] (gdb) run virtualbox/usssssssssssssssssssssssssssssssssssssssssar/bin/virtualbox Starting program: /usr/bin/sh /usr/bin/virtualbox [Detaching after fork from child process 1073248] [Detaching after fork from child process 1073253] [Detaching after fork from child process 1073254] process 1073246 is executing new program: /usr/lib/virtualbox/VirtualBox [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffeffd7700 (LWP 1073256)] [Thread 0x7fffeffd7700 (LWP 1073256) exited] [New Thread 0x7fffeffd7700 (LWP 1073257)] Thread 1 "VirtualBox" received signal SIGSEGV, Segmentation fault. 0x00007fffee82f218 in gtk_option_menu_get_type () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 (gdb) backtrace full #0 0x00007fffee82f218 in gtk_option_menu_get_type () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #1 0x0000000000000002 in ?? () No symbol table info available. #2 0x00007fffeddd20c5 in gtk_module_init () from /usr/lib/x86_64-linux-gnu/gtk-2.0/modules/libgail.so No symbol table info available. #3 0x00007fffee6cf695 in ?? () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #4 0x00007fffee3fd802 in g_closure_invoke () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #5 0x00007fffee411814 in ?? () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #6 0x00007fffee41cbbe in g_signal_emit_valist () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #7 0x00007fffee41d0f3 in g_signal_emit () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #8 0x00007fffee402284 in ?? () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #9 0x00007fffee4046f2 in g_object_notify () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #10 0x00007fffee4e1182 in gdk_display_open_default_libgtk_only () from /lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 No symbol table info available. #11 0x00007fffee6b5f4d in gtk_init () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #12 0x00007fffeea136a9 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqgtk2style.so No symbol table info available. #13 0x00007fffeea14f93 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqgtk2style.so No symbol table info available. #14 0x00007ffff459da7a in QStyleFactory::create(QString const&) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #15 0x00007ffff45c5160 in QProxyStyle::QProxyStyle(QString const&) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #16 0x00007fffeea2440f in Qt5CTProxyStyle::Qt5CTProxyStyle(QString const&) () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqt5ct-style.so No symbol table info available. #17 0x00007fffeea24087 in Qt5CTStylePlugin::create(QString const&) () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqt5ct-style.so No symbol table info available. #18 0x00007ffff459da7a in QStyleFactory::create(QString const&) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #19 0x00007ffff4530042 in QApplication::style() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #20 0x00007ffff453039d in QApplicationPrivate::initialize() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #21 0x00007ffff45303f8 in QApplicationPrivate::init() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #22 0x00005555555e8f13 in ?? () No symbol table info available. #23 0x00005555555e69e6 in ?? () No symbol table info available. #24 0x00007ffff3f380b3 in __libc_start_main (main=0x5555555e6960, argc=1, argv=0x7fffffffdfe8, init=, fini=, rtld_fini=, stack_end=0x7fffffffdfd8) at ../csu/libc-start.c:308 self = result = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {93824994471184, 6065782234327142350, 93824992838624, 140737488347104, 0, 0, -6065782233221705778, -6065755877133004850}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x1, 0x7fffffffdfe8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1}}} not_first_call = #25 0x00005555555e840e in ?? () No symbol table info available. (gdb) info registers rax 0x555555b34230 93824998392368 rbx 0x555555ab1060 93824997855328 rcx 0x7ffff402c755 140737287210837 rdx 0x7fffeddd1494 140737184076948 rsi 0x1 1 rdi 0x7ffff30ddf40 140737271160640 rbp 0x555555b34100 0x555555b34100 rsp 0x7fffffffd4f8 0x7fffffffd4f8 r8 0x0 0 r9 0x0 0 r10 0xfffffffffffffd08 -760 r11 0x7fffee82f210 140737194947088 r12 0x555555b34230 93824998392368 r13 0x7fffffffd710 140737488344848 r14 0x7fffffffd690 140737488344720 r15 0x555555ac2180 93824997925248 rip 0x7fffee82f218 0x7fffee82f218 eflags 0x10206 [ PF IF RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0x7fffee82f218 : mov 0x191a4b99(%rip),%rax # 0x8000079d3db8 0x7fffee82f21f : mov %rax,0x8(%rsp) 0x7fffee82f224 : mov 0x24(%rbp),%rbx 0x7fffee82f228 : or %cl,-0x7b(%rax) 0x7fffee82f22b : shlb $0x8b,0x45(%rdx,%rdx,1) 0x7fffee82f230 : add $0x1a4b83,%eax 0x7fffee82f235 : rex.W push %rcx 0x7fffee82f237 : (bad) 0x7fffee82f238 : sbb %al,%bl 0x7fffee82f23a : nopw 0x0(%rcx,%rbx,2) 0x7fffee82f240 : lea 0x1a4b71(%rip),%rdi # 0x7fffee9d3db8 0x7fffee82f247 : callq 0x7fffee5e8820 0x7fffee82f24c : test %eax,%eax 0x7fffee82f24e : je 0x7fffee82f22e 0x7fffee82f250 : callq 0x7fffee82eaa0 0x7fffee82f255 : lea 0x1a4b5c(%rip),%rdi # 0x7fffee9d3db8 (gdb) thread apply all backtrace Thread 3 (Thread 0x7fffeffd7700 (LWP 1073257)): #0 0x00007ffff40269cf in __GI___poll (fds=0x7fffeffd6ae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007ffff366ac1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007ffff366c90a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007fffef6a4298 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007ffff51039d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007ffff3c4f609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007ffff4033163 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7ffff05489c0 (LWP 1073246)): #0 0x00007fffee82f218 in gtk_option_menu_get_type () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #1 0x0000000000000002 in ?? () #2 0x00007fffeddd20c5 in gtk_module_init () from /usr/lib/x86_64-linux-gnu/gtk-2.0/modules/libgail.so #3 0x00007fffee6cf695 in ?? () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #4 0x00007fffee3fd802 in g_closure_invoke () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #5 0x00007fffee411814 in ?? () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #6 0x00007fffee41cbbe in g_signal_emit_valist () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #7 0x00007fffee41d0f3 in g_signal_emit () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #8 0x00007fffee402284 in ?? () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #9 0x00007fffee4046f2 in g_object_notify () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #10 0x00007fffee4e1182 in gdk_display_open_default_libgtk_only () from /lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #11 0x00007fffee6b5f4d in gtk_init () from /lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #12 0x00007fffeea136a9 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqgtk2style.so #13 0x00007fffeea14f93 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqgtk2style.so #14 0x00007ffff459da7a in QStyleFactory::create(QString const&) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #15 0x00007ffff45c5160 in QProxyStyle::QProxyStyle(QString const&) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #16 0x00007fffeea2440f in Qt5CTProxyStyle::Qt5CTProxyStyle(QString const&) () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqt5ct-style.so #17 0x00007fffeea24087 in Qt5CTStylePlugin::create(QString const&) () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqt5ct-style.so #18 0x00007ffff459da7a in QStyleFactory::create(QString const&) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #19 0x00007ffff4530042 in QApplication::style() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #20 0x00007ffff453039d in QApplicationPrivate::initialize() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #21 0x00007ffff45303f8 in QApplicationPrivate::init() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #22 0x00005555555e8f13 in ?? () #23 0x00005555555e69e6 in ?? () #24 0x00007ffff3f380b3 in __libc_start_main (main=0x5555555e6960, argc=1, argv=0x7fffffffdfe8, init=, fini=, rtld_fini=, stack_end=0x7fffffffdfd8) at ../csu/libc-start.c:308 #25 0x00005555555e840e in ?? () (gdb) quit A debugging session is active. Inferior 1 [process 1073246] will be killed. Quit anyway? (y or n) y