mirror of https://github.com/proxmox/mirror_qemu
iotests: Add test for image header overlap
Add a test for an image with an unallocated image header; instead of an assertion, this should result in the image being marked corrupt. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>master
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@ -164,6 +164,15 @@ wait_break 0
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write 64k 64k
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write 64k 64k
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resume 0" | $QEMU_IO | _filter_qemu_io
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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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# success, all done
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# success, all done
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echo "*** done"
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echo "*** done"
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rm -f $seq.full
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rm -f $seq.full
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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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write failed: Input/output error
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blkdebug: Resuming request '0'
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blkdebug: Resuming request '0'
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aio_write failed: No medium found
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aio_write failed: No medium found
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=== Testing unallocated image header ===
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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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*** done
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