thebeanogamer / rpms / qemu-kvm

Forked from rpms/qemu-kvm 5 months ago
Clone
Blob Blame History Raw
From 7322fbc37925671b3ac9e589ba8eb200b7aee7f3 Mon Sep 17 00:00:00 2001
Message-Id: <7322fbc37925671b3ac9e589ba8eb200b7aee7f3.1418766606.git.jen@redhat.com>
In-Reply-To: <6f81b4847eb68ebdf54a8f1a771e19d112d74152.1418766606.git.jen@redhat.com>
References: <6f81b4847eb68ebdf54a8f1a771e19d112d74152.1418766606.git.jen@redhat.com>
From: Fam Zheng <famz@redhat.com>
Date: Thu, 4 Dec 2014 00:04:57 -0600
Subject: [CHANGE 03/31] vmdk: Check VMFS extent line field number
To: rhvirt-patches@redhat.com,
jen@redhat.com
RH-Author: Fam Zheng <famz@redhat.com>
Message-id: <1417651524-18041-4-git-send-email-famz@redhat.com>
Patchwork-id: 62676
O-Subject: [RHEL-7.1 qemu-kvm PATCH v5 03/30] vmdk: Check VMFS extent line field number
Bugzilla: 1134237
RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
RH-Acked-by: Markus Armbruster <armbru@redhat.com>
RH-Acked-by: Max Reitz <mreitz@redhat.com>
VMFS extent line in description file should be with 4 fields:
RW <size> VMFS "file-name.vmdk"
Check the number explicitly and report error if offset is appended as
FLAT, which should be invalid format.
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
(cherry picked from commit b47053bd0359c68094d7a25a65687c0844771e34)
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Jeff E. Nelson <jen@redhat.com>
---
block/vmdk.c | 9 +++++++--
tests/qemu-iotests/059 | 14 ++++++++++++++
tests/qemu-iotests/059.out | 5 +++++
3 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/block/vmdk.c b/block/vmdk.c
index a5b1f1c..d77eb37 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -750,9 +750,14 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
return -EINVAL;
}
} else if (!strcmp(type, "VMFS")) {
- flat_offset = 0;
+ if (ret == 4) {
+ flat_offset = 0;
+ } else {
+ error_setg(errp, "Invalid extent lines:\n%s", p);
+ return -EINVAL;
+ }
} else if (ret != 4) {
- error_setg(errp, "Invalid extent lines: \n%s", p);
+ error_setg(errp, "Invalid extent lines:\n%s", p);
return -EINVAL;
}
diff --git a/tests/qemu-iotests/059 b/tests/qemu-iotests/059
index 23534c2..c8d92a0 100755
--- a/tests/qemu-iotests/059
+++ b/tests/qemu-iotests/059
@@ -81,6 +81,20 @@ IMGOPTS="subformat=twoGbMaxExtentFlat" _make_test_img 1000G
$QEMU_IMG info $TEST_IMG | _filter_testdir | sed -e 's/cid: [0-9]*/cid: XXXXXXXX/'
echo
+echo "=== Testing malformed VMFS extent description line ==="
+cat >"$TEST_IMG" <<EOF
+# Disk DescriptorFile
+version=1
+CID=58ab4847
+parentCID=ffffffff
+createType="vmfs"
+
+# Extent description
+RW 12582912 VMFS "dummy.vmdk" 1
+EOF
+_img_info
+
+echo
echo "=== Testing version 3 ==="
_use_sample_img iotest-version3.vmdk.bz2
_img_info
diff --git a/tests/qemu-iotests/059.out b/tests/qemu-iotests/059.out
index 87a2004..f161651 100644
--- a/tests/qemu-iotests/059.out
+++ b/tests/qemu-iotests/059.out
@@ -2038,6 +2038,11 @@ Format specific information:
filename: TEST_DIR/t-f500.vmdk
format: FLAT
+=== Testing malformed VMFS extent description line ===
+qemu-img: Could not open 'TEST_DIR/t.IMGFMT': Invalid extent lines:
+RW 12582912 VMFS "dummy.IMGFMT" 1
+
+
=== Testing version 3 ===
image: TEST_DIR/iotest-version3.IMGFMT
file format: IMGFMT
--
2.1.0