[PATCH 07/12] btrfs: test snapshotting encrypted subvol
Daniel Vacek <[email protected]>
| Newsgroups | org.kernel.vger.linux-xfs,net.sourceforge.lists.linux-f2fs-devel,org.kernel.vger.fstests,org.kernel.vger.linux-btrfs,org.kernel.vger.linux-ext4,org.kernel.vger.linux-fscrypt |
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| Message-ID | <[email protected]> |
From: Sweet Tea Dorminy <[email protected]> Make sure that snapshots of encrypted data are readable and writeable. Test deliberately high-numbered to not conflict. Signed-off-by: Sweet Tea Dorminy <[email protected]> Signed-off-by: Daniel Vacek <[email protected]> --- tests/btrfs/614 | 73 +++++++++++++++++++++++++++++ tests/btrfs/614.out | 111 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 184 insertions(+) create mode 100755 tests/btrfs/614 create mode 100644 tests/btrfs/614.out diff --git a/tests/btrfs/614 b/tests/btrfs/614 new file mode 100755 index 00000000..840c3b8d --- /dev/null +++ b/tests/btrfs/614 @@ -0,0 +1,73 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2023 Meta Platforms, Inc. All Rights Reserved. +# +# FS QA Test 614 +# +# Try taking a snapshot of an encrypted subvolume. Make sure the snapshot is +# still readable. Rewrite part of the subvol with the same data; make sure it's +# still readable. +# +. ./common/preamble +_begin_fstest auto encrypt + +# Import common functions. +. ./common/encrypt +. ./common/filter + +_require_test +_require_scratch +_require_scratch_encryption -v 2 +_require_command "$KEYCTL_PROG" keyctl + +_scratch_mkfs_encrypted &>> $seqres.full +_scratch_mount + +udir=$SCRATCH_MNT/reference +dir=$SCRATCH_MNT/subvol +dir2=$SCRATCH_MNT/subvol2 +$BTRFS_UTIL_PROG subvolume create $dir >> $seqres.full +mkdir $udir + +_set_encpolicy $dir $TEST_KEY_IDENTIFIER +_add_enckey $SCRATCH_MNT "$TEST_RAW_KEY" + +# get files with lots of extents by using backwards writes. +for j in `seq 0 50`; do + for i in `seq 20 -1 1`; do + $XFS_IO_PROG -f -d -c "pwrite $(($i * 4096)) 4096" \ + $dir/foo-$j >> $seqres.full | _filter_xfs_io + $XFS_IO_PROG -f -d -c "pwrite $(($i * 4096)) 4096" \ + $udir/foo-$j >> $seqres.full | _filter_xfs_io + done +done + +$BTRFS_UTIL_PROG subvolume snapshot $dir $dir2 | _filter_scratch + +_scratch_remount +_add_enckey $SCRATCH_MNT "$TEST_RAW_KEY" +sleep 30 +echo "Diffing $dir and $dir2" +diff $dir $dir2 + +echo "Rewriting $dir2 partly" +# rewrite half of each file in the snapshot +for j in `seq 0 50`; do + for i in `seq 10 -1 1`; do + $XFS_IO_PROG -f -d -c "pwrite $(($i * 4096)) 4096" \ + $dir2/foo-$j >> $seqres.full | _filter_xfs_io + done +done + +echo "Diffing $dir and $dir2" +diff $dir $dir2 + +echo "Dropping key and diffing" +_rm_enckey $SCRATCH_MNT $TEST_KEY_IDENTIFIER +diff $dir $dir2 |& _filter_scratch | _filter_nokey_filenames + +$BTRFS_UTIL_PROG subvolume delete $dir > /dev/null 2>&1 + +# success, all done +status=0 +exit diff --git a/tests/btrfs/614.out b/tests/btrfs/614.out new file mode 100644 index 00000000..bd95b67a --- /dev/null +++ b/tests/btrfs/614.out @@ -0,0 +1,111 @@ +QA output created by 614 +Added encryption key with identifier 69b2f6edeee720cce0577937eb8a6751 +Create snapshot of 'SCRATCH_MNT/subvol' in 'SCRATCH_MNT/subvol2' +Added encryption key with identifier 69b2f6edeee720cce0577937eb8a6751 +Diffing /mnt/scratch/subvol and /mnt/scratch/subvol2 +Rewriting /mnt/scratch/subvol2 partly +Diffing /mnt/scratch/subvol and /mnt/scratch/subvol2 +Dropping key and diffing +Removed encryption key with identifier 69b2f6edeee720cce0577937eb8a6751 +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: NOKEY_NAME NOKEY_NAME NOKEY_NAME NOKEY_NAME +NOKEY_NAME: NOKEY_NAME/NOKEY_NAME/NOKEY_NAME: 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