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 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32     rm -f $TEST_IMG.snap
  33     _cleanup_test_img
  34 }
  35 trap "_cleanup; exit \$status" 0 1 2 3 15
  36
  37 # get standard environment, filters and checks
  38 . ./common.rc
  39 . ./common.filter
  40
  41 _supported_fmt qcow
  42 _supported_proto file
  43 _supported_os Linux
  44
  45 offset_backing_file_offset=8
  46 offset_backing_file_size=16
  47 offset_size=24
  48 offset_cluster_bits=32
  49 offset_l2_bits=33
  50
  51 echo
  52 echo "== Invalid cluster size =="
  53 _make_test_img 64M
  54 poke_file "$TEST_IMG" "$offset_cluster_bits" "\xff"
  55 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  56 poke_file "$TEST_IMG" "$offset_cluster_bits" "\x1f"
  57 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  58 poke_file "$TEST_IMG" "$offset_cluster_bits" "\x08"
  59 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  60 poke_file "$TEST_IMG" "$offset_cluster_bits" "\x11"
  61 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  62
  63 echo
  64 echo "== Invalid L2 table size =="
  65 _make_test_img 64M
  66 poke_file "$TEST_IMG" "$offset_l2_bits" "\xff"
  67 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  68 poke_file "$TEST_IMG" "$offset_l2_bits" "\x05"
  69 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  70 poke_file "$TEST_IMG" "$offset_l2_bits" "\x0e"
  71 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  72
  73 # 1 << 0x1b = 2^31 / L2_CACHE_SIZE
  74 poke_file "$TEST_IMG" "$offset_l2_bits" "\x1b"
  75 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  76
  77 echo
  78 echo "== Invalid size =="
  79 _make_test_img 64M
  80 poke_file "$TEST_IMG" "$offset_size" "\xee\xee\xee\xee\xee\xee\xee\xee"
  81 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  82 poke_file "$TEST_IMG" "$offset_size" "\x7f\xff\xff\xff\xff\xff\xff\xff"
  83 { $QEMU_IO -c "write 0 64M" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  84
  85 echo
  86 echo "== Invalid backing file length =="
  87 _make_test_img 64M
  88 poke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\xff"
  89 poke_file "$TEST_IMG" "$offset_backing_file_size" "\xff\xff\xff\xff"
  90 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  91 poke_file "$TEST_IMG" "$offset_backing_file_size" "\x7f\xff\xff\xff"
  92 { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
  93
  94 # success, all done
  95 echo "*** done"
  96 rm -f $seq.full
  97 status=0