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