reproduce: # https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git/commit/?id=7290ac04d052de4256b4089db93f26194018aa81 git remote add ebiggers https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git git fetch --no-tags ebiggers crc32-lib-v1 git checkout 7290ac04d052de4256b4089db93f26194018aa81 # 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_CRYPTO_POLY1305 --selectors CONFIG_BCACHEFS_FS -a=nios2 # 2. reproduce by make cd linux # download the config file from the "config:" link in the report, and save it as .config make ARCH=nios2 olddefconfig