15.467 Taskbar(35:35): Activated app with ID 35
15.583 Piano(45:45): Started Thread "Audio pipeline"(46)
17.790 Piano(45:45): ASSERTION FAILED: false
./Userland/Libraries/LibC/cxxabi.cpp:162
17.799 [#0 Piano(45:45)]: Terminating Piano(45) due to signal 6
17.799 [#0 Piano(45:45)]: Piano(45:46) Should already die
17.803 [#0 Finalizer Task(5:5)]: copy_from_user(0x000000200d80ec88, 0x000000000051dfb8, 8) failed at V0x000000000051dfb817.808 [#0 Finalizer Task(5:5)]: Backtrace:
. . . . . . (truncated)
0x0000000ec1e2cf7e  /usr/lib/libc.so: .text + 0x1f7e
0x0000000ec1e3341d  /usr/lib/libc.so: .text + 0x841d
0x0000000ec1e33d60  /usr/lib/libc.so: .text + 0x8d60
0x00000016d2d9dfe5  /usr/lib/libcore.so.serenity: .text + 0x24fe5
0x00000016d2d9e230  /usr/lib/libcore.so.serenity: .text + 0x25230
0x00000016d2db97d9  /usr/lib/libcore.so.serenity: .text + 0x407d9
0x00000002e228ac9e  /usr/lib/libaudio.so.serenity: .text + 0x29c9e
0x00000002e2289522  /usr/lib/libaudio.so.serenity: .text + 0x28522
0x00000002e2289671  /usr/lib/libaudio.so.serenity: .text + 0x28671
0x00000000ffdf2112  /bin/Piano: .text + 0x2112
0x00000000ffdf2131  /bin/Piano: .text + 0x2131
0x00000000ffdf7535  /bin/Piano: .text + 0x7535
0x00000000ffdf0e28  /bin/Piano: .text + 0xe28
0x00000000ffdf0fa9  /bin/Piano: .text + 0xfa9
17.883 [#0 Finalizer Task(5:5)]: Generating coredump for pid: 45
17.891 CrashDaemon(34:34): New coredump file: /tmp/coredump/Piano_45_1691831565
18.085 CrashReporter(47:47): Started Thread "Background Thread"(48)
19.492 CrashReporter(47:48): Generating backtrace took 1404 ms
19.499 CrashReporter(47:48): --- Backtrace for thread #0 (TID 45) ---
19.502 CrashReporter(47:48): 0x0000001ecc54102b: [/usr/lib/libsystem.so] syscall2 +0xb (syscall.cpp:25 => syscall.cpp:24)
19.506 CrashReporter(47:48): 0x0000000ec1e2cf7d: [/usr/lib/libc.so] abort +0x26 (stdlib.cpp:386)
19.510 CrashReporter(47:48): 0x0000000ec1e3341c: [/usr/lib/libc.so] __assertion_failed +0x7c (assert.cpp:34)
19.514 CrashReporter(47:48): 0x0000000ec1e33d5f: [/usr/lib/libc.so] __cxa_pure_virtual +0xf (cxxabi.cpp:162)
19.518 CrashReporter(47:48): 0x00000016d2d9dfe4: [/usr/lib/libcore.so.serenity] Core::EventReceiver::stop_timer() +0x124 (EventReceiver.cpp:134)
19.522 CrashReporter(47:48): 0x00000016d2d9e22f: [/usr/lib/libcore.so.serenity] Core::EventReceiver::~EventReceiver() +0x22f (EventReceiver.cpp:35)
19.528 CrashReporter(47:48): 0x00000016d2db97d8: [/usr/lib/libcore.so.serenity] Core::Timer::~Timer() +0x48 (Timer.h:30)19.535 CrashReporter(47:48): 0x00000002e228ac9d: [/usr/lib/libaudio.so.serenity] IPC::ConnectionBase::~ConnectionBase() +0x23d (RefCounted.h:65 => RefCounted.h:57 => NonnullRefPtr.h:32 => RefPtr.h:223 => RefPtr.h:103 => Connection.h:39)
19.549 CrashReporter(47:48): 0x00000002e2289521: [/usr/lib/libaudio.so.serenity] Audio::ConnectionToServer::~ConnectionToServer() +0x271 (Connection.h:86 => ConnectionToServer.h:29 => ConnectionToServer.cpp:49)
19.558 CrashReporter(47:48): 0x00000002e2289670: [/usr/lib/libaudio.so.serenity] Audio::ConnectionToServer::~ConnectionToServer() +0x10 (ConnectionToServer.cpp:49)
19.565 CrashReporter(47:48): 0x00000000ffdf2111: [/bin/Piano] AudioPlayerLoop::~AudioPlayerLoop() +0x211 (RefCounted.h:65 => RefCounted.h:57 => NonnullRefPtr.h:32 => RefPtr.h:223 => RefPtr.h:103 => AudioPlayerLoop.cpp:76)
19.574 CrashReporter(47:48): 0x00000000ffdf2130: [/bin/Piano] AudioPlayerLoop::~AudioPlayerLoop() +0x10 (AudioPlayerLoop.cpp:76)
19.579 CrashReporter(47:48): 0x00000000ffdf7534: [/bin/Piano] serenity_main(Main::Arguments) +0xf54 (RefCounted.h:65 => RefCounted.h:57 => NonnullRefPtr.h:32 => NonnullRefPtr.h:97 => main.cpp:96)
19.587 CrashReporter(47:48): 0x00000000ffdf0e27: [/bin/Piano] main +0x147 (Main.cpp:43)
19.590 CrashReporter(47:48): 0x00000000ffdf0fa8: [/bin/Piano] _entry +0x48 (crt0.cpp:50)
19.613 CrashReporter(47:48): Generating backtrace took 0 ms
19.618 CrashReporter(47:48): --- Backtrace for thread #1 (TID 46) ---
19.618 CrashReporter(47:48): 0x0000001ecc541043: [/usr/lib/libsystem.so] syscall3 +0x13 (syscall.cpp:30 => syscall.cpp:29)