From 39256a95ce8205edc697a21b0478047908cb440b Mon Sep 17 00:00:00 2001
From: Max Reitz <mreitz@redhat.com>
Date: Sat, 13 Jun 2015 16:22:32 +0200
Subject: [PATCH 38/42] iotests: Add tests for more corruption cases
Message-id: <1434212556-3927-39-git-send-email-mreitz@redhat.com>
Patchwork-id: 66057
O-Subject: [RHEL-7.2 qemu-kvm PATCH 38/42] iotests: Add tests for more corruption cases
Bugzilla: 1129893
RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
RH-Acked-by: Fam Zheng <famz@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
BZ: 1129893
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit f30136b35a271109b89353b9a5349cf32e6aeda7)
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
tests/qemu-iotests/060 | 15 +++++++++++++++
tests/qemu-iotests/060.out | 13 +++++++++++++
2 files changed, 28 insertions(+)
diff --git a/tests/qemu-iotests/060 b/tests/qemu-iotests/060
index e1187a3..ab44c83 100644
--- a/tests/qemu-iotests/060
+++ b/tests/qemu-iotests/060
@@ -183,6 +183,12 @@ $QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
poke_file "$TEST_IMG" "$l1_offset" "\x80\x00\x00\x00\x00\x04\x2a\x00"
$QEMU_IO -c "read 0 64k" "$TEST_IMG" | _filter_qemu_io
+# Test how well zero cluster expansion can cope with this
+_make_test_img 64M
+$QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
+poke_file "$TEST_IMG" "$l1_offset" "\x80\x00\x00\x00\x00\x04\x2a\x00"
+$QEMU_IMG amend -o compat=0.10 "$TEST_IMG"
+
echo
echo "=== Testing unaligned L2 entry ==="
echo
@@ -192,6 +198,15 @@ poke_file "$TEST_IMG" "$l2_offset" "\x80\x00\x00\x00\x00\x05\x2a\x00"
$QEMU_IO -c "read 0 64k" "$TEST_IMG" | _filter_qemu_io
echo
+echo "=== Testing unaligned pre-allocated zero cluster ==="
+echo
+_make_test_img 64M
+$QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
+poke_file "$TEST_IMG" "$l2_offset" "\x80\x00\x00\x00\x00\x05\x2a\x01"
+# zero cluster expansion
+$QEMU_IMG amend -o compat=0.10 "$TEST_IMG"
+
+echo
echo "=== Testing unaligned reftable entry ==="
echo
_make_test_img 64M
diff --git a/tests/qemu-iotests/060.out b/tests/qemu-iotests/060.out
index 88332e4..def7447 100644
--- a/tests/qemu-iotests/060.out
+++ b/tests/qemu-iotests/060.out
@@ -115,6 +115,11 @@ wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: L2 table offset 0x42a00 unaligned (L1 index: 0); further corruption events will be suppressed
read failed: Input/output error
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
+wrote 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+qcow2: Marking image as corrupt: L2 table offset 0x42a00 unaligned (L1 index: 0); further corruption events will be suppressed
+qemu-img: Error while amending options: Input/output error
=== Testing unaligned L2 entry ===
@@ -124,6 +129,14 @@ wrote 65536/65536 bytes at offset 0
qcow2: Marking image as corrupt: Data cluster offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
read failed: Input/output error
+=== Testing unaligned pre-allocated zero cluster ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
+wrote 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+qcow2: Marking image as corrupt: Data cluster offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
+qemu-img: Error while amending options: Input/output error
+
=== Testing unaligned reftable entry ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
--
1.8.3.1