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