reproduce:
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android-mainline
        git checkout 194fc9ea8a50fa11e9b03bf04449614fc79be59a
        # 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_ASYNC_TX_ENABLE_CHANNEL_SWITCH --selectors CONFIG_GKI_HIDDEN_DMA_CONFIGS -a=i386
        # 2. reproduce by make
           cd linux
           # download the config file from the "config:" link in the report, and save it as .config
           make ARCH=i386 olddefconfig