tests/qemu-iotests/092

   1 #!/bin/bash
   2 #
   3 # qcow1 format input validation tests
   4 #
   5 # Copyright (C) 2014 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=kwolf@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 here=`pwd`
  28 tmp=/tmp/$$
  29 status=1        # failure is the default!
  30
  31 _cleanup()
  32 {
  33     rm -f $TEST_IMG.snap
  34     _cleanup_test_img
  35 }
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 # get standard environment, filters and checks
  39 . ./common.rc
  40 . ./common.filter
  41
  42 _supported_fmt qcow
  43 _supported_proto file
  44 _supported_os Linux
  45
  46 offset_backing_file_offset=8
  47 offset_backing_file_size=16
  48 offset_size=24
  49 offset_cluster_bits=32
  50 offset_l2_bits=33
  51
  52 echo
  53 echo "== Invalid cluster size =="
  54 _make_test_img 64M
  55 poke_file "$TEST_IMG" "$offset_cluster_bits" "\xff"
  56 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  57 poke_file "$TEST_IMG" "$offset_cluster_bits" "\x1f"
  58 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  59 poke_file "$TEST_IMG" "$offset_cluster_bits" "\x08"
  60 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  61 poke_file "$TEST_IMG" "$offset_cluster_bits" "\x11"
  62 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  63
  64 echo
  65 echo "== Invalid L2 table size =="
  66 _make_test_img 64M
  67 poke_file "$TEST_IMG" "$offset_l2_bits" "\xff"
  68 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  69 poke_file "$TEST_IMG" "$offset_l2_bits" "\x05"
  70 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  71 poke_file "$TEST_IMG" "$offset_l2_bits" "\x0e"
  72 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  73
  74 # 1 << 0x1b = 2^31 / L2_CACHE_SIZE
  75 poke_file "$TEST_IMG" "$offset_l2_bits" "\x1b"
  76 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  77
  78 echo
  79 echo "== Invalid size =="
  80 _make_test_img 64M
  81 poke_file "$TEST_IMG" "$offset_size" "\xee\xee\xee\xee\xee\xee\xee\xee"
  82 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  83 poke_file "$TEST_IMG" "$offset_size" "\x7f\xff\xff\xff\xff\xff\xff\xff"
  84 { $QEMU_IO -c "write 0 64M" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  85
  86 echo
  87 echo "== Invalid backing file length =="
  88 _make_test_img 64M
  89 poke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\xff"
  90 poke_file "$TEST_IMG" "$offset_backing_file_size" "\xff\xff\xff\xff"
  91 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  92 poke_file "$TEST_IMG" "$offset_backing_file_size" "\x7f\xff\xff\xff"
  93 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  94
  95 # success, all done
  96 echo "*** done"
  97 rm -f $seq.full
  98 status=0