2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2018 Red Hat, Inc. All Rights Reserved.
7 # Exercise copy_file_range() syscall error conditions.
9 # This is a regression test for kernel commit:
10 # 96e6e8f4a68d ("vfs: add missing checks to copy_file_range")
13 seqres=$RESULT_DIR/$seq
14 echo "QA output created by $seq"
18 status=1 # failure is the default!
19 trap "_cleanup; exit \$status" 0 1 2 3 7 15
25 [ -z "$loopdev" ] || _destroy_loop_device $loopdev
28 # get standard environment, filters and checks
32 # real QA test starts here
43 # This test effectively requires xfs_io with these commits
44 # 2a42470b xfs_io: copy_file_range length is a size_t
45 # 1a05efba io: open pipes in non-blocking mode
47 # Without those commits test will hang on old kernel when copying
48 # very large size and when copying from a pipe.
50 # We require a new xfs_io feature of passing an open file as the
51 # copy source, as an indication that the test can run without hanging
52 # with large size argument and to avoid opening pipe in blocking mode.
54 # Test both basic copy_range and copy_range -f availability
55 _require_xfs_io_command "copy_range"
56 _require_xfs_io_command "copy_range" "-f"
58 testdir="$TEST_DIR/test-$seq"
64 $XFS_IO_PROG -f -c "pwrite -S 0x61 0 128k" $testdir/file >> $seqres.full 2>&1
66 echo source range overlaps destination range in same file returns EINVAL
67 $XFS_IO_PROG -f -c "copy_range -s 32k -d 48k -l 32k $testdir/file" $testdir/file
70 echo destination file O_RDONLY returns EBADF
71 $XFS_IO_PROG -f -r -c "copy_range -l 32k $testdir/file" $testdir/copy
74 echo destination file O_APPEND returns EBADF
75 $XFS_IO_PROG -f -a -c "copy_range -l 32k $testdir/file" $testdir/copy
78 echo source/destination as directory returns EISDIR
79 $XFS_IO_PROG -c "copy_range -l 32k $testdir/file" $testdir
80 $XFS_IO_PROG -f -c "copy_range -l 32k $testdir" $testdir/copy
83 echo source/destination as blkdev returns EINVAL
84 $XFS_IO_PROG -f -c "truncate 128k" $testdir/img >> $seqres.full 2>&1
85 loopdev=`_create_loop_device $testdir/img`
86 $XFS_IO_PROG -c "copy_range -l 32k $testdir/file" $loopdev
87 $XFS_IO_PROG -f -c "copy_range -l 32k $loopdev" $testdir/copy
88 _destroy_loop_device $loopdev
92 echo source/destination as chardev returns EINVAL
93 $XFS_IO_PROG -c "copy_range -l 32k $testdir/file" /dev/null
94 $XFS_IO_PROG -f -c "copy_range -l 32k /dev/zero" $testdir/copy
97 echo source/destination as FIFO returns EINVAL
99 $XFS_IO_PROG -c "copy_range -l 32k $testdir/file" $testdir/fifo
100 # Pass input pipe as non-blocking open file to avoid old xfs_io (<4.20)
101 # opening the pipe in blocking mode and causing the test to hang
102 $XFS_IO_PROG -r -n -f -c "open $testdir/copy" -C "copy_range -l 32k -f 0" $testdir/fifo
104 max_off=$((8 * 2**60 - 65536 - 1))
108 echo length beyond 8EiB wraps around 0 returns EOVERFLOW
109 $XFS_IO_PROG -f -c "copy_range -l 10e -s $max_off $testdir/file" $testdir/copy
110 $XFS_IO_PROG -f -c "copy_range -l 10e -d $max_off $testdir/file" $testdir/copy
113 echo source range beyond 8TiB returns 0
114 $XFS_IO_PROG -c "copy_range -s $max_off -l $min_off -d 0 $testdir/file" $testdir/copy
117 echo destination range beyond 8TiB returns EFBIG
118 $XFS_IO_PROG -c "copy_range -l $min_off -s 0 -d $max_off $testdir/file" $testdir/copy
121 echo destination larger than rlimit returns EFBIG
123 $XFS_IO_PROG -c "truncate 128k" $testdir/file
125 # need a wrapper so the "File size limit exceeded" error can be filtered
128 $XFS_IO_PROG -f -c "copy_range -l 32k -s 0 -d 16m $testdir/file" $testdir/copy
131 ulimit -f $((8 * 1024))
133 do_rlimit_copy 2>&1 | grep -o "File size limit exceeded"