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joshsiv-mulga
3de1d6d7c5
sudo mknod created real /dev/console and /dev/null char-device nodes on the host under $CHROOT_DIR. Real device nodes on the host filesystem are a footgun: a stale-image cleanup, tmp reaper, or an empty $CHROOT_DIR (which would redirect the recursive /dev removal at the host root) could clobber host /dev/null and force a reboot, breaking CI servers. Write the two static nodes the kernel needs into the cpio archive inside a fakeroot session instead. mknod/cpio see faked device entries and emit real char-device records into the archive, while the host filesystem never gets an actual node. init mounts devtmpfs over /dev at runtime for everything else. Also guard $CHROOT_DIR against empty/unexpected values before any destructive removal, and add fakeroot to the required-tools check.