tests/qemu-iotests/116

   1 #!/usr/bin/env bash
   2 #
   3 # Test error code paths for invalid QED images
   4 #
   5 # The aim of this test is to exercise the error paths in qed_open() to ensure
   6 # there are no crashes with invalid input files.
   7 #
   8 # Copyright (C) 2015 Red Hat, Inc.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 2 of the License, or
  13 # (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 #
  23
  24 # creator
  25 owner=stefanha@redhat.com
  26
  27 seq=`basename $0`
  28 echo "QA output created by $seq"
  29
  30 status=1        # failure is the default!
  31
  32 _cleanup()
  33 {
  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 qed
  43 _supported_proto generic
  44 _supported_os Linux
  45
  46
  47 size=128M
  48
  49 echo
  50 echo "== truncated header cluster =="
  51 _make_test_img $size
  52 truncate -s 512 "$TEST_IMG"
  53 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  54
  55 echo
  56 echo "== invalid header magic =="
  57 _make_test_img $size
  58 poke_file "$TEST_IMG" "0" "QEDX"
  59 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  60
  61 echo
  62 echo "== invalid cluster size =="
  63 _make_test_img $size
  64 poke_file "$TEST_IMG" "4" "\xff\xff\xff\xff"
  65 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  66
  67 echo
  68 echo "== invalid table size =="
  69 _make_test_img $size
  70 poke_file "$TEST_IMG" "8" "\xff\xff\xff\xff"
  71 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  72
  73 echo
  74 echo "== invalid header size =="
  75 _make_test_img $size
  76 poke_file "$TEST_IMG" "12" "\xff\xff\xff\xff"
  77 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  78
  79 echo
  80 echo "== invalid L1 table offset =="
  81 _make_test_img $size
  82 poke_file "$TEST_IMG" "40" "\xff\xff\xff\xff\xff\xff\xff\xff"
  83 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  84
  85 echo
  86 echo "== invalid image size =="
  87 _make_test_img $size
  88 poke_file "$TEST_IMG" "48" "\xff\xff\xff\xff\xff\xff\xff\xff"
  89 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  90
  91 # success, all done
  92 echo "*** done"
  93 rm -f $seq.full
  94 status=0