reproduce:
        # https://github.com/jcmvbkbc/linux-xtensa/commit/d99ee73f47ff45ddc38967389cccb186f1265eb8
        git remote add jcmvbkbc-xtensa https://github.com/jcmvbkbc/linux-xtensa
        git fetch --no-tags jcmvbkbc-xtensa xtensa-6.11-rc6-esp32
        git checkout d99ee73f47ff45ddc38967389cccb186f1265eb8
        # 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