/usr/src/linux-gcp-headers-4.18.0-1005/kernel/ is in linux-gcp-headers-4.18.0-1005 4.18.0-1005.6~18.04.1.
This file is owned by root:root, with mode 0o755.
..
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/Kconfig.freezer
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/Kconfig.hz
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/Kconfig.locks
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/Kconfig.preempt
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/bpf/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/bpf/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/cgroup/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/cgroup/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/debug/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/debug/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/debug/kdb/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/debug/kdb/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/dma/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/dma/Kconfig
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/dma/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/events/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/events/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/gcov/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/gcov/Kconfig
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/gcov/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/irq/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/irq/Kconfig
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/irq/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/livepatch/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/livepatch/Kconfig
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/livepatch/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/locking/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/locking/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/power/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/power/Kconfig
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/power/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/printk/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/printk/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/rcu/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/rcu/Kconfig
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/rcu/Kconfig.debug
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/rcu/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/sched/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/sched/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/time/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/time/Kconfig
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/time/Makefile
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/trace/
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/trace/Kconfig
/usr/src/linux-gcp-headers-4.18.0-1005/kernel/trace/Makefile