We just fixed a few bugs that caused QEMU to crash when trying to write to corrupted qcow2 images, and iotest 060 was expanded to test all those scenarios. In almost all cases the corrupted images can be repaired using qemu-img, so this patch verifies that. Signed-off-by: Alberto Garcia <berto@igalia.com> Message-id: 0b1b95340ecdfbc6927e36adf2fd42ae6198747a.1510143008.git.berto@igalia.com Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
288 lines
11 KiB
Plaintext
288 lines
11 KiB
Plaintext
QA output created by 060
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=== Testing L2 reference into L1 ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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ERROR cluster 3 refcount=1 reference=3
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1 errors were found on the image.
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Data may be corrupted, or further writes to the image may corrupt it.
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incompatible_features 0x0
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with active L1 table); further corruption events will be suppressed
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write failed: Input/output error
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incompatible_features 0x2
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 64M (67108864 bytes)
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cluster_size: 65536
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Format specific information:
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compat: 1.1
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lazy refcounts: false
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refcount bits: 16
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corrupt: true
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can't open device TEST_DIR/t.IMGFMT: IMGFMT: Image is corrupt; cannot be opened read/write
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no file open, try 'help open'
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read 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Testing cluster data reference into refcount block ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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ERROR refcount block 0 refcount=2
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ERROR cluster 2 refcount=1 reference=2
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2 errors were found on the image.
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Data may be corrupted, or further writes to the image may corrupt it.
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incompatible_features 0x0
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount block); further corruption events will be suppressed
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write failed: Input/output error
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incompatible_features 0x2
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ERROR refcount block 0 refcount=2
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ERROR cluster 2 refcount=1 reference=2
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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=2 reference=1
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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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incompatible_features 0x0
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wrote 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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incompatible_features 0x0
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=== Testing cluster data reference into inactive L2 table ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 512/512 bytes at offset 0
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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 4 refcount=1 reference=2
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Leaked cluster 9 refcount=1 reference=0
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1 errors were found on the image.
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Data may be corrupted, or further writes to the image may corrupt it.
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1 leaked clusters were found on the image.
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This means waste of disk space, but no harm to data.
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incompatible_features 0x0
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with inactive L2 table); further corruption events will be suppressed
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write failed: Input/output error
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incompatible_features 0x2
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ERROR cluster 4 refcount=1 reference=2
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Leaked cluster 9 refcount=1 reference=0
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Repairing cluster 4 refcount=1 reference=2
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Repairing cluster 9 refcount=1 reference=0
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Repairing OFLAG_COPIED data cluster: l2_entry=8000000000040000 refcount=2
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The following inconsistencies were found and repaired:
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1 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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incompatible_features 0x0
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wrote 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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incompatible_features 0x0
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read 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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No errors were found on the image.
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read 512/512 bytes at offset 0
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== Testing overlap while COW is in flight ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824
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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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wrote 65536/65536 bytes at offset 536870912
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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discard 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: Preventing invalid write on metadata (overlaps with active L2 table); further corruption events will be suppressed
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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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=== 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: Marking image as corrupt: Preventing invalid write on metadata (overlaps with qcow2_header); further corruption events will be suppressed
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write failed: Input/output error
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=== Testing unaligned L1 entry ===
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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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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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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: Cluster allocation 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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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: Cluster allocation 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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=== Testing unaligned reftable entry ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Refblock offset 0x22a00 unaligned (reftable index: 0); further corruption events will be suppressed
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write failed: Input/output error
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=== Testing non-fatal corruption on freeing ===
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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: Image is corrupt: Cannot free unaligned cluster 0x52a00; further non-fatal corruption events will be suppressed
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discard 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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=== Testing read-only corruption report ===
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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: Image is corrupt: Cluster allocation offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further non-fatal corruption events will be suppressed
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read failed: Input/output error
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read failed: Input/output error
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=== Testing non-fatal and then fatal corruption report ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 131072/131072 bytes at offset 0
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128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qcow2: Image is corrupt: Cannot free unaligned cluster 0x52a00; further non-fatal corruption events will be suppressed
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qcow2: Marking image as corrupt: Cluster allocation offset 0x62a00 unaligned (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed
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discard 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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read failed: Input/output error
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=== Testing empty refcount table ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount table); further corruption events will be suppressed
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write failed: Input/output error
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 1 refcount=0 reference=1
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ERROR cluster 3 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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The following inconsistencies were found and repaired:
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0 leaked clusters
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3 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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=== Testing empty refcount table with valid L1 and L2 tables ===
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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: Preventing invalid allocation of refcount block at offset 0; further corruption events will be suppressed
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write failed: Input/output error
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 1 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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Repairing cluster 1 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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5 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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=== Testing empty refcount block ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Preventing invalid allocation of L2 table at offset 0; further corruption events will be suppressed
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write failed: Input/output error
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 1 refcount=0 reference=1
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ERROR cluster 2 refcount=0 reference=1
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ERROR cluster 3 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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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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=== Testing empty refcount block with compressed write ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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wrote 65536/65536 bytes at offset 65536
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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: Preventing invalid allocation of compressed cluster at offset 0; further corruption events will be suppressed
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write failed: Input/output error
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 1 refcount=0 reference=1
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ERROR cluster 2 refcount=0 reference=1
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ERROR cluster 3 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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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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=== Testing zero refcount table size ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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can't open device TEST_DIR/t.IMGFMT: Image does not contain a reference count table
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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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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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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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=== Testing incorrect refcount table offset ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qcow2: Marking image as corrupt: Preventing invalid allocation of L2 table at offset 0; further corruption events will be suppressed
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write failed: Input/output error
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*** done
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