On Thu, Feb 16, 2017 at 05:13:53PM +0800, Xiong Zhou wrote:
> Even timestamp change by touch.
>
> CC: Miklos Szeredi <mszeredi@xxxxxxxxxx>
> Signed-off-by: Xiong Zhou <xzhou@xxxxxxxxxx>
> ---
> tests/overlay/027 | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++
> tests/overlay/027.out | 2 ++
> tests/overlay/group | 1 +
> 3 files changed, 81 insertions(+)
> create mode 100755 tests/overlay/027
> create mode 100644 tests/overlay/027.out
>
> diff --git a/tests/overlay/027 b/tests/overlay/027
> new file mode 100755
> index 0000000..b3a97b8
> --- /dev/null
> +++ b/tests/overlay/027
> @@ -0,0 +1,78 @@
> +#! /bin/bash
> +# FS QA Test 027
> +#
> +# If underlying upper file is immutable, it should stays
> +# untouchable in the overlayfs mount.
> +#
> +# Kernel commit below fixed it.
> +# f2b20f6ee842 vfs: move permission checking into ...
> +#
> +# This reproducer was originally written by
> +# Miklos Szeredi <mszeredi@xxxxxxxxxx>
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2017 Red Hat Inc. All Rights Reserved.
> +#
> +# This program is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU General Public License as
> +# published by the Free Software Foundation.
> +#
> +# This program is distributed in the hope that it would be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> +# GNU General Public License for more details.
> +#
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write the Free Software Foundation,
> +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
> +#-----------------------------------------------------------------------
> +#
> +
> +seq=`basename $0`
> +seqres=$RESULT_DIR/$seq
> +echo "QA output created by $seq"
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +status=1 # failure is the default!
> +trap "_cleanup; exit \$status" 0 1 2 3 15
> +
> +_cleanup()
> +{
> + cd /
> + rm -f $tmp.*
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +# remove previous $seqres.full before test
> +rm -f $seqres.full
> +
> +# real QA test starts here
> +
> +# Modify as appropriate.
> +_supported_fs overlay
> +_supported_os Linux
> +_require_scratch
> +_require_chattr
> +
> +# Remove all files from previous tests
> +_scratch_mkfs
> +
> +# Preparing immutable file
> +upperdir=$SCRATCH_DEV/$OVERLAY_UPPER_DIR
> +mkdir -p $upperdir
> +touch $upperdir/foo
> +$CHATTR_PROG +i $upperdir/foo
Need to remove immutable attribute after test, otherwise this file will
never be removed in overlayfs testing.
Thanks,
Eryu
> +
> +# Mounting overlay
> +_scratch_mount
> +
> +# Touching immutable file in overlay, should fail
> +touch $SCRATCH_MNT/foo 2>&1 | _filter_scratch
> +
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/overlay/027.out b/tests/overlay/027.out
> new file mode 100644
> index 0000000..3f19c46
> --- /dev/null
> +++ b/tests/overlay/027.out
> @@ -0,0 +1,2 @@
> +QA output created by 027
> +touch: setting times of 'SCRATCH_MNT/foo': Operation not permitted
> diff --git a/tests/overlay/group b/tests/overlay/group
> index 92afa8d..4db6751 100644
> --- a/tests/overlay/group
> +++ b/tests/overlay/group
> @@ -29,3 +29,4 @@
> 024 auto quick
> 025 auto quick attr
> 026 auto attr quick
> +027 auto quick perms
> --
> 1.8.3.1
>
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