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[Qemu-devel] [PATCH 2/2] block: qemu-iotests - add check for multiplicat


From: Jeff Cody
Subject: [Qemu-devel] [PATCH 2/2] block: qemu-iotests - add check for multiplication overflow in vpc
Date: Wed, 24 Jun 2015 15:54:28 -0400

This checks that VPC is able to successfully fail (without segfault)
on an image file with a max_table_entries that exceeds 0x40000000.

This table entry is within the valid range for VPC (although too large
for this sample image).

Signed-off-by: Jeff Cody <address@hidden>
---
 tests/qemu-iotests/135                        |  54 ++++++++++++++++++++++++++
 tests/qemu-iotests/135.out                    |   5 +++
 tests/qemu-iotests/group                      |   1 +
 tests/qemu-iotests/sample_images/afl5.img.bz2 | Bin 0 -> 175 bytes
 4 files changed, 60 insertions(+)
 create mode 100755 tests/qemu-iotests/135
 create mode 100644 tests/qemu-iotests/135.out
 create mode 100644 tests/qemu-iotests/sample_images/afl5.img.bz2

diff --git a/tests/qemu-iotests/135 b/tests/qemu-iotests/135
new file mode 100755
index 0000000..16bf736
--- /dev/null
+++ b/tests/qemu-iotests/135
@@ -0,0 +1,54 @@
+#!/bin/bash
+#
+# Test VPC open of image with large Max Table Entries value.
+#
+# Copyright (C) 2015 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
address@hidden
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1       # failure is the default!
+
+_cleanup()
+{
+    _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt vpc
+_supported_proto generic
+_supported_os Linux
+
+_use_sample_img afl5.img.bz2
+
+echo
+echo "=== Verify image open and failure ===="
+$QEMU_IMG info "$TEST_IMG" 2>&1| _filter_testdir
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/135.out b/tests/qemu-iotests/135.out
new file mode 100644
index 0000000..70b305e
--- /dev/null
+++ b/tests/qemu-iotests/135.out
@@ -0,0 +1,5 @@
+QA output created by 135
+
+=== Verify image open and failure ====
+qemu-img: Could not open 'TEST_DIR/afl5.img': block-vpc: 
free_data_block_offset points after the end of file. The image has been 
truncated.
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 4597fc1..557e2a2 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -132,3 +132,4 @@
 130 rw auto quick
 131 rw auto quick
 134 rw auto quick
+135 rw auto
diff --git a/tests/qemu-iotests/sample_images/afl5.img.bz2 
b/tests/qemu-iotests/sample_images/afl5.img.bz2
new file mode 100644
index 
0000000000000000000000000000000000000000..1614348865e5b2cfcb0340eab9474841717be2c5
GIT binary patch
literal 175
zcmV;g08sxzT4*^jL0KkKSqT!KVgLXwfB*jgAVdfNFaTf(B!Frw|3pDR00;sy03ZSY
z3IG5B1Sp^YbSh$=r=c<address@hidden<OVwhn^RnWP
zlo2h)1BC$~JU|O6a~hBm5oG|a2~t!d6NaCTwor7>gVwVQS9W$Kd2?dJ>H~Ej+J=Q^
dtom#MI_=bg;address@hidden&$|^KE!naKsf*a

literal 0
HcmV?d00001

-- 
1.9.3




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