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Amir Goldstein
61a838524a
Check that we cannot copy_file_range() to/from an immutable file. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
60 lines
1.4 KiB
Bash
Executable File
60 lines
1.4 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2018 Red Hat, Inc. All Rights Reserved.
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#
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# FS QA Test No. 553
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#
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# Check that we cannot copy_file_range() to/from an immutable file
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 7 15
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workdir="$TEST_DIR/test-$seq"
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_cleanup()
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{
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$CHATTR_PROG -i $workdir/immutable > /dev/null 2>&1
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_os Linux
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_supported_fs generic
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rm -f $seqres.full
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_require_test
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_require_chattr i
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_require_xfs_io_command "copy_range"
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_require_xfs_io_command "chattr"
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rm -rf $workdir
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mkdir $workdir
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rm -f $seqres.full
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$XFS_IO_PROG -f -c "pwrite -S 0x61 0 128k" $workdir/file >> $seqres.full 2>&1
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# we have to open the file to be immutable rw and hold it open over the
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# chattr command to set it immutable, otherwise we won't be able to open it for
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# writing after it's been made immutable. (i.e. would exercise file mode checks,
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# not immutable inode flag checks).
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echo immutable file returns EPERM
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$XFS_IO_PROG -f -c "pwrite -S 0x61 0 64k" -c fsync $workdir/immutable | _filter_xfs_io
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$XFS_IO_PROG -f -c "chattr +i" -c "copy_range -l 32k $workdir/file" $workdir/immutable
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$XFS_IO_PROG -f -r -c "chattr -i" $workdir/immutable
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# success, all done
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status=0
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exit
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