[CRIU] [PATCH 3/5] criu: check that ghost files are cleaned up in error cases

[Pavel Emelyanov]

> diff --git a/criu/include/fault-injection.h b/criu/include/fault-injection.h
> index f1e5c72..1861702 100644
> --- a/criu/include/fault-injection.h
> +++ b/criu/include/fault-injection.h
> @@ -7,6 +7,8 @@ enum faults {
>  	FI_DUMP_EARLY,
>  	FI_RESTORE_ROOT_ONLY,
>  	FI_DUMP_PAGES,
> +	FI_CLEAN_REMAPS,	/* before creating mount namespaces */
> +	FI_CLEAN_REMAPS2,	/* after creating mount namespaces */

There's FI_RESTORE_ROOT_ONLY injection that was added exactly for
this -- to check that ghost files are removed. Why is it not enough?

>  	/* not fatal */
>  	FI_CHECK_OPEN_HANDLE = 128,
>  	FI_NO_MEMFD = 129,
> diff --git a/test/jenkins/criu-fault.sh b/test/jenkins/criu-fault.sh
> index 6a55aac..1ae51c6 100755
> --- a/test/jenkins/criu-fault.sh
> +++ b/test/jenkins/criu-fault.sh
> @@ -8,3 +8,5 @@ prep
>  ./test/zdtm.py run -t zdtm/static/inotify_irmap --fault 128 --keep-going --pre 2 -f uns || fail
>  ./test/zdtm.py run -t zdtm/static/env00 --fault 129 -f uns || fail
>  ./test/zdtm.py run -t zdtm/transition/fork --fault 130 -f h || fail
> +./test/zdtm.py run -t zdtm/static/mntns_ghost --fault 5 || fail
> +./test/zdtm.py run -t zdtm/static/mntns_ghost --fault 4 || fail
>