From: Amir Goldstein Date: Sun, 2 Jun 2019 12:41:10 +0000 (+0300) Subject: generic: copy_file_range immutable file test X-Git-Tag: v2022.05.01~1130 X-Git-Url: http://git.apps.os.sepia.ceph.com/?p=xfstests-dev.git;a=commitdiff_plain;h=61a838524a8e5f3bc3ca5e02f5a0c4133860365b generic: copy_file_range immutable file test Check that we cannot copy_file_range() to/from an immutable file. Signed-off-by: Amir Goldstein Reviewed-by: Eryu Guan Signed-off-by: Eryu Guan --- diff --git a/tests/generic/553 b/tests/generic/553 new file mode 100755 index 00000000..efe25d84 --- /dev/null +++ b/tests/generic/553 @@ -0,0 +1,59 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2018 Red Hat, Inc. All Rights Reserved. +# +# FS QA Test No. 553 +# +# Check that we cannot copy_file_range() to/from an immutable file +# +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 7 15 + +workdir="$TEST_DIR/test-$seq" +_cleanup() +{ + $CHATTR_PROG -i $workdir/immutable > /dev/null 2>&1 + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here +_supported_os Linux +_supported_fs generic + +rm -f $seqres.full + +_require_test +_require_chattr i +_require_xfs_io_command "copy_range" +_require_xfs_io_command "chattr" + +rm -rf $workdir +mkdir $workdir + +rm -f $seqres.full + +$XFS_IO_PROG -f -c "pwrite -S 0x61 0 128k" $workdir/file >> $seqres.full 2>&1 + +# we have to open the file to be immutable rw and hold it open over the +# chattr command to set it immutable, otherwise we won't be able to open it for +# writing after it's been made immutable. (i.e. would exercise file mode checks, +# not immutable inode flag checks). +echo immutable file returns EPERM +$XFS_IO_PROG -f -c "pwrite -S 0x61 0 64k" -c fsync $workdir/immutable | _filter_xfs_io +$XFS_IO_PROG -f -c "chattr +i" -c "copy_range -l 32k $workdir/file" $workdir/immutable +$XFS_IO_PROG -f -r -c "chattr -i" $workdir/immutable + +# success, all done +status=0 +exit diff --git a/tests/generic/553.out b/tests/generic/553.out new file mode 100644 index 00000000..de1cb5a1 --- /dev/null +++ b/tests/generic/553.out @@ -0,0 +1,5 @@ +QA output created by 553 +immutable file returns EPERM +wrote 65536/65536 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +copy_range: Operation not permitted diff --git a/tests/generic/group b/tests/generic/group index 09c068b6..fe63b1cd 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -555,3 +555,4 @@ 550 auto quick encrypt 551 auto stress aio 552 auto quick log +553 auto quick copy_range