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There are certain cases where repairing a qcow2 image might actually damage it further (or rather, where repairing it has in fact damaged it further with the old qcow2 check implementation). This should not happen, so add a test for these cases. Furthermore, the repair function now repairs refblocks beyond the image end by resizing the image accordingly. Add several tests for this as well. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
111 lines
3.3 KiB
Plaintext
111 lines
3.3 KiB
Plaintext
QA output created by 108
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=== Repairing an image without any refcount table ===
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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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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 3 refcount=0 reference=1
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ERROR cluster 4 refcount=0 reference=1
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ERROR cluster 5 refcount=0 reference=1
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Rebuilding refcount structure
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The following inconsistencies were found and repaired:
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0 leaked clusters
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4 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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read 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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=== Repairing unreferenced data cluster in new refblock area ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 111104/111104 bytes at offset 0
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108.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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131072
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wrote 512/512 bytes at offset 131072
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 512/512 bytes at offset 111104
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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ERROR cluster 256 refcount=0 reference=1
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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Repairing cluster 2 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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0 leaked clusters
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1 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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read 512/512 bytes at offset 111104
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Repairing refblock beyond the image end ===
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--- Otherwise clean ---
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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Repairing refcount block 1 is outside image
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The following inconsistencies were found and repaired:
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0 leaked clusters
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1 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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--- Refblock is unallocated ---
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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Repairing refcount block 1 is outside image
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ERROR cluster 16 refcount=0 reference=1
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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Repairing cluster 2 refcount=1 reference=0
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Repairing cluster 16 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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0 leaked clusters
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2 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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--- Signed overflow after the refblock ---
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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Repairing refcount block 1 is outside image
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ERROR could not resize image: Invalid argument
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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Repairing cluster 2 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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0 leaked clusters
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1 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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--- Unsigned overflow after the refblock ---
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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Repairing refcount block 1 is outside image
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ERROR could not resize image: Invalid argument
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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Repairing cluster 2 refcount=1 reference=0
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The following inconsistencies were found and repaired:
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0 leaked clusters
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1 corruptions
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Double checking the fixed image now...
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No errors were found on the image.
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*** done
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