reproduce:
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3d45a3d0d2e6b5cf47c6f0ab890f6ce762d9fd23
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 3d45a3d0d2e6b5cf47c6f0ab890f6ce762d9fd23
        # 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_PPC_RADIX_BROADCAST_TLBIE --selectors CONFIG_PPC_PSERIES -a=powerpc
        # 2. reproduce by make
           cd linux
           # download the config file from the "config:" link in the report, and save it as .config
           make ARCH=powerpc olddefconfig