I noticed the patch was incomplete. Attached you can find the
correct/complete patch.--- a/debian/hooks/dropbear
+++ b/debian/hooks/dropbear
@@ -24,7 +24,8 @@ for so in $(ldconfig -p | sed -nr 's/^\s*libnss_files\.so\.[0-9]+\s.*=>\s*//p');
copy_exec "$so"
done
-home="$(mktemp --directory -- "$DESTDIR/root-XXXXXXXXXX")" # avoid collisions with $rootmnt
+home="$DESTDIR/root-dropbear-initramfs"
+mkdir "$home"
chmod 0700 -- "$home"
for x in passwd group; do echo "$x: files"; done >"$DESTDIR/etc/nsswitch.conf"
echo "root:*:0:0::${home#"$DESTDIR"}:/bin/sh" >"$DESTDIR/etc/passwd"
