tests/qemu-iotests/116

   1 #!/bin/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 here=`pwd`
  31 tmp=/tmp/$$
  32 status=1        # failure is the default!
  33
  34 _cleanup()
  35 {
  36         _cleanup_test_img
  37 }
  38 trap "_cleanup; exit \$status" 0 1 2 3 15
  39
  40 # get standard environment, filters and checks
  41 . ./common.rc
  42 . ./common.filter
  43
  44 _supported_fmt qed
  45 _supported_proto generic
  46 _supported_os Linux
  47
  48
  49 size=128M
  50
  51 echo
  52 echo "== truncated header cluster =="
  53 _make_test_img $size
  54 truncate -s 512 "$TEST_IMG"
  55 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  56
  57 echo
  58 echo "== invalid header magic =="
  59 _make_test_img $size
  60 poke_file "$TEST_IMG" "0" "QEDX"
  61 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  62
  63 echo
  64 echo "== invalid cluster size =="
  65 _make_test_img $size
  66 poke_file "$TEST_IMG" "4" "\xff\xff\xff\xff"
  67 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  68
  69 echo
  70 echo "== invalid table size =="
  71 _make_test_img $size
  72 poke_file "$TEST_IMG" "8" "\xff\xff\xff\xff"
  73 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  74
  75 echo
  76 echo "== invalid header size =="
  77 _make_test_img $size
  78 poke_file "$TEST_IMG" "12" "\xff\xff\xff\xff"
  79 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  80
  81 echo
  82 echo "== invalid L1 table offset =="
  83 _make_test_img $size
  84 poke_file "$TEST_IMG" "40" "\xff\xff\xff\xff\xff\xff\xff\xff"
  85 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  86
  87 echo
  88 echo "== invalid image size =="
  89 _make_test_img $size
  90 poke_file "$TEST_IMG" "48" "\xff\xff\xff\xff\xff\xff\xff\xff"
  91 $QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
  92
  93 # success, all done
  94 echo "*** done"
  95 rm -f $seq.full
  96 status=0