Segfault on postmarketOS on Raspberry Pi 4 when opening adapter

[User8395]

The segfault happens at src/libcec/adapter/RPi/RPiCECAdapterCommunication.cpp:241:

LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address changed to %s (%x)", LIB_CEC->ToString(m_logicalAddress), m_logicalAddress);

GDB backtrace:

#0  printf_core (f=f@entry=0x0, fmt=fmt@entry=0x7ff77c0980 "logical address changed to %s (%x)", ap=ap@entry=0x7fe79611e8, nl_arg=nl_arg@entry=0x7fe7961280, 
    nl_type=nl_type@entry=0x7fe7961208) at src/stdio/vfprintf.c:432
#1  0x0000007ff7f96c98 in vfprintf (f=f@entry=0x7fe7961378, fmt=0x7ff77c0980 "logical address changed to %s (%x)", ap=...) at src/stdio/vfprintf.c:675
#2  0x0000007ff7f99a78 in vsnprintf (s=<optimized out>, n=<optimized out>, fmt=<optimized out>, ap=...) at src/stdio/vsnprintf.c:49
#3  0x0000007ff7760430 in CEC::StringUtils::FormatV[abi:cxx11](char const*, std::__va_list) (fmt=0x7ff77c0980 "logical address changed to %s (%x)", args=...)
    at /home/user/libcec/src/libcec/platform/util/StringUtils.h:57
#4  0x0000007ff7778898 in CEC::CLibCEC::AddLog (this=0x7ff6eca2c0, level=CEC::CEC_LOG_DEBUG, strFormat=0x7ff77c0980 "logical address changed to %s (%x)")
    at /home/user/libcec/src/libcec/LibCEC.cpp:467
#5  0x0000007ff777ed90 in CEC::CRPiCECAdapterCommunication::OnDataReceived (this=0x7fe7965df0, header=393280, p0=14, p1=4096, p2=0, p3=0)
    at /home/user/libcec/src/libcec/adapter/RPi/RPiCECAdapterCommunication.cpp:241
#6  0x0000007ff777e464 in rpi_cec_callback (callback_data=0x7fe7965df0, header=393280, p0=14, p1=4096, p2=0, p3=0)
    at /home/user/libcec/src/libcec/adapter/RPi/RPiCECAdapterCommunication.cpp:59
#7  0x0000007ff61233ec in ?? () from /lib/libbcm_host.so
#8  0x0000007ff4e7fa44 in ?? () from /opt/vc/lib/libvcos.so
#9  0x0000007ff7f9f8e0 in start (p=0x7fe79618b0) at src/thread/pthread_create.c:207
#10 0x0000007ff7f9dcd8 in __clone () at src/thread/aarch64/clone.s:29
Backtrace stopped: previous frame identical to this frame (corrupt stack?)