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[Qemu-devel] [PATCH 2/2] iotests: Add tests for more corruption cases
From: |
Max Reitz |
Subject: |
[Qemu-devel] [PATCH 2/2] iotests: Add tests for more corruption cases |
Date: |
Mon, 19 Jan 2015 15:49:04 -0500 |
Signed-off-by: Max Reitz <address@hidden>
---
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 73863bf..c81319c 100755
--- a/tests/qemu-iotests/060
+++ b/tests/qemu-iotests/060
@@ -186,6 +186,12 @@ $QEMU_IO -c "write 0 64k" "$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
@@ -195,6 +201,15 @@ 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 7d493bb..dc9f6b7 100644
--- a/tests/qemu-iotests/060.out
+++ b/tests/qemu-iotests/060.out
@@ -123,6 +123,11 @@ 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 ===
@@ -132,6 +137,14 @@ 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
--
2.1.0
Re: [Qemu-devel] [PATCH 0/2] qcow2: Add two more unalignment checks, Kevin Wolf, 2015/01/22