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From f65ef16bd01c14e252e262ec24ff3ac16e0e335d 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 16:21:59 +0200
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Subject: [PATCH 05/42] iotests: Add test for image header overlap
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Message-id: <1434212556-3927-6-git-send-email-mreitz@redhat.com>
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Patchwork-id: 66024
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O-Subject: [RHEL-7.2 qemu-kvm PATCH 05/42] iotests: Add test for image header overlap
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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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Add a test for an image with an unallocated image header; instead of an
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assertion, this should result in the image being marked corrupt.
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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 a42f8a3d05c5598cee893c9cf5ffeee48bacb83e)
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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 | 9 +++++++++
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tests/qemu-iotests/060.out | 8 ++++++++
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2 files changed, 17 insertions(+)
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diff --git a/tests/qemu-iotests/060 b/tests/qemu-iotests/060
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index 2abd566..5180e23 100644
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--- a/tests/qemu-iotests/060
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+++ b/tests/qemu-iotests/060
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@@ -164,6 +164,15 @@ wait_break 0
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write 64k 64k
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resume 0" | $QEMU_IO | _filter_qemu_io
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+echo
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+echo "=== Testing unallocated image header ==="
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+echo
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+_make_test_img 64M
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+# Create L1/L2
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+$QEMU_IO -c "$OPEN_RW" -c "write 0 64k" | _filter_qemu_io
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+poke_file "$TEST_IMG" "$rb_offset" "\x00\x00"
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+$QEMU_IO -c "$OPEN_RW" -c "write 64k 64k" | _filter_qemu_io
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+
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# success, all done
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echo "*** done"
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rm -f $seq.full
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diff --git a/tests/qemu-iotests/060.out b/tests/qemu-iotests/060.out
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index a517948..c27c952 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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@@ -93,4 +93,12 @@ blkdebug: Suspended request '0'
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write failed: Input/output error
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blkdebug: Resuming request '0'
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aio_write failed: No medium found
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+
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+=== Testing unallocated image header ===
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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: Preventing invalid write on metadata (overlaps with qcow2_header); image marked as corrupt.
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+write failed: Input/output error
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*** done
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--
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1.8.3.1
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