/lib/firmware/carl9170fw/tools/carlu/ is in linux-firmware 1.127.24.
This file is owned by root:root, with mode 0o755.
..
/lib/firmware/carl9170fw/tools/carlu/CMakeLists.txt
/lib/firmware/carl9170fw/tools/carlu/src/
/lib/firmware/carl9170fw/tools/carlu/src/carlu.h
/lib/firmware/carl9170fw/tools/carlu/src/cmd.c
/lib/firmware/carl9170fw/tools/carlu/src/cmd.h
/lib/firmware/carl9170fw/tools/carlu/src/debug.c
/lib/firmware/carl9170fw/tools/carlu/src/debug.h
/lib/firmware/carl9170fw/tools/carlu/src/fw.c
/lib/firmware/carl9170fw/tools/carlu/src/main.c
/lib/firmware/carl9170fw/tools/carlu/src/rx.c
/lib/firmware/carl9170fw/tools/carlu/src/test.c
/lib/firmware/carl9170fw/tools/carlu/src/test.h
/lib/firmware/carl9170fw/tools/carlu/src/tx.c
/lib/firmware/carl9170fw/tools/carlu/src/usb.c
/lib/firmware/carl9170fw/tools/carlu/src/usb.h