reproduce:
        # https://github.com/jcmvbkbc/linux-xtensa/commit/4b24286e4a4219278c00f2ea2f1d2a01ad029aff
        git remote add jcmvbkbc-xtensa https://github.com/jcmvbkbc/linux-xtensa
        git fetch --no-tags jcmvbkbc-xtensa xtensa-6.13-esp32
        git checkout 4b24286e4a4219278c00f2ea2f1d2a01ad029aff
        # choose either of the following two methods to reproduce the issue
        # 1. reproduce by kismet
           # install kmax per https://github.com/paulgazz/kmax/blob/master/README.md
           kismet --linux-ksrc=linux --selectees CONFIG_ESP32_IPC --selectors CONFIG_MTD_ESP32 -a=alpha
        # 2. reproduce by make
           cd linux
           # download the config file from the "config:" link in the report, and save it as .config
           make ARCH=alpha olddefconfig