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 25owner=stefanha@redhat.com 26 27seq=`basename $0` 28echo "QA output created by $seq" 29 30status=1 # failure is the default! 31 32_cleanup() 33{ 34 _cleanup_test_img 35} 36trap "_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 47size=128M 48 49echo 50echo "== truncated header cluster ==" 51_make_test_img $size 52truncate -s 512 "$TEST_IMG" 53$QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 54 55echo 56echo "== invalid header magic ==" 57_make_test_img $size 58poke_file "$TEST_IMG" "0" "QEDX" 59$QEMU_IO -f "$IMGFMT" -c "read 0 $size" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 60 61echo 62echo "== invalid cluster size ==" 63_make_test_img $size 64poke_file "$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 67echo 68echo "== invalid table size ==" 69_make_test_img $size 70poke_file "$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 73echo 74echo "== invalid header size ==" 75_make_test_img $size 76poke_file "$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 79echo 80echo "== invalid L1 table offset ==" 81_make_test_img $size 82poke_file "$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 85echo 86echo "== invalid image size ==" 87_make_test_img $size 88poke_file "$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 92echo "*** done" 93rm -f $seq.full 94status=0 95