Bug#985886: klick crashes after approx. 8 klicks

[rooz]

Package: klick
Version: 0.12.2-4.1
Severity: important
X-Debbugs-Cc: rosea.grammostola at gmail.com

Dear Maintainer,

Start qjackctl/jackd

 klick -P 4 60

Jack: JackClient::SetupDriverSync driver sem in flush mode
Jack: JackLinuxFutex::Connect name = jack_sem.1000_default_klick
Jack: Clock source : system clock via clock_gettime
Jack: JackLibClient::Open name = klick refnum = 4
Jack: JackClient::PortRegister ref = 4 name = klick:out type = 32 bit float mono audio port_index = 7
Jack: JackClient::Activate
Jack: JackPosixThread::StartImp : create non RT thread
Jack: JackPosixThread::ThreadHandler : start
Jack: JackClient::kBufferSizeCallback buffer_size = 128
Jack: JackClient::ClientNotify ref = 4 name = klick notify = 2
Jack: JackClient::kActivateClient name = klick ref = 4 
Jack: JackClient::Connect src = klick:out dst = system:playback_1
Jack: JackClient::ClientNotify ref = 4 name = klick notify = 18
Jack: JackClient::ClientNotify ref = 4 name = klick notify = 18
Jack: JackClient::Connect src = klick:out dst = system:playback_2
Jack: JackClient::ClientNotify ref = 4 name = klick notify = 18
Jack: JackClient::ClientNotify ref = 4 name = klick notify = 18
Jack: JackClient::Deactivate
Jack: JackClient::Deactivate res = 0
Jack: JackPosixThread::Kill
Jack: jack_client_close
Jack: JackClient::Close ref = 4
Jack: JackClient::Deactivate
Jack: JackSocketClientChannel::Stop
Jack: JackPosixThread::Kill
Jack: JackClientSocket::Close
Jack: JackClientSocket::Close
Jack: JackLibClient::~JackLibClient
Jack: JackShmReadWritePtr1::~JackShmReadWritePtr1 4
Jack: Succeeded in unlocking 426 byte memory area
Jack: JackLibGlobals Destroy ed308700
Jack: ~JackLibGlobals
Jack: no message buffer overruns
Jack: JackPosixThread::Stop
Jack: JackPosixThread::ThreadHandler : exit
Jack: JackShmReadWritePtr::~JackShmReadWritePtr 1
Jack: Succeeded in unlocking 1187 byte memory area
Jack: JackShmReadWritePtr::~JackShmReadWritePtr 0
Jack: Succeeded in unlocking 107341338 byte memory area
Jack: jack_client_close res = 0

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

Kernel: Linux 5.10.0-2-rt-amd64 (SMP w/2 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages klick depends on:
ii  libc6                             2.31-9
ii  libgcc-s1                         10.2.1-6
ii  libjack-jackd2-0 [libjack-0.125]  1.9.17~dfsg-1
ii  liblo7                            0.31-1
ii  librubberband2                    1.9.0-1
ii  libsamplerate0                    0.2.1+ds0-1
ii  libsndfile1                       1.0.31-1
ii  libstdc++6                        10.2.1-6

klick recommends no packages.

Versions of packages klick suggests:
pn  gtklick  <none>

-- no debconf information