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xemu/tests/qemu-iotests/060.out
Alberto Garcia 50a3efb0f0 block: Close a BlockDriverState completely even when bs->drv is NULL 
bdrv_close() skips much of its logic when bs->drv is NULL. This is
fine when we're closing a BlockDriverState that has just been created
(because e.g the initialization process failed), but it's not enough
in other cases.

For example, when a valid qcow2 image is found to be corrupted then
QEMU marks it as such in the file header and then sets bs->drv to
NULL in order to make the BlockDriverState unusable. When that BDS is
later closed then many of its data structures are not freed (leaking
their memory) and none of its children are detached. This results in
bdrv_close_all() failing to close all BDSs and making this assertion
fail when QEMU is being shut down:

   bdrv_close_all: Assertion `QTAILQ_EMPTY(&all_bdrv_states)' failed.

This patch makes bdrv_close() do the full uninitialization process
in all cases. This fixes the problem with corrupted images and still
works fine with freshly created BDSs.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: 20171106145345.12038-1-berto@igalia.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-11-21 14:54:02 +01:00

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QA output created by 060
=== Testing L2 reference into L1 ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
ERROR cluster 3 refcount=1 reference=3
1 errors were found on the image.
Data may be corrupted, or further writes to the image may corrupt it.
incompatible_features 0x0
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with active L1 table); further corruption events will be suppressed
write failed: Input/output error
incompatible_features 0x2
image: TEST_DIR/t.IMGFMT
file format: IMGFMT
virtual size: 64M (67108864 bytes)
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: false
refcount bits: 16
corrupt: true
can't open device TEST_DIR/t.IMGFMT: IMGFMT: Image is corrupt; cannot be opened read/write
no file open, try 'help open'
read 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing cluster data reference into refcount block ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
ERROR refcount block 0 refcount=2
ERROR cluster 2 refcount=1 reference=2
2 errors were found on the image.
Data may be corrupted, or further writes to the image may corrupt it.
incompatible_features 0x0
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount block); further corruption events will be suppressed
write failed: Input/output error
incompatible_features 0x2
ERROR refcount block 0 refcount=2
ERROR cluster 2 refcount=1 reference=2
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=2 reference=1
The following inconsistencies were found and repaired:
0 leaked clusters
2 corruptions
Double checking the fixed image now...
No errors were found on the image.
incompatible_features 0x0
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
incompatible_features 0x0
=== Testing cluster data reference into inactive L2 table ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
ERROR cluster 4 refcount=1 reference=2
Leaked cluster 9 refcount=1 reference=0
1 errors were found on the image.
Data may be corrupted, or further writes to the image may corrupt it.
1 leaked clusters were found on the image.
This means waste of disk space, but no harm to data.
incompatible_features 0x0
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with inactive L2 table); further corruption events will be suppressed
write failed: Input/output error
incompatible_features 0x2
ERROR cluster 4 refcount=1 reference=2
Leaked cluster 9 refcount=1 reference=0
Repairing cluster 4 refcount=1 reference=2
Repairing cluster 9 refcount=1 reference=0
Repairing OFLAG_COPIED data cluster: l2_entry=8000000000040000 refcount=2
The following inconsistencies were found and repaired:
1 leaked clusters
2 corruptions
Double checking the fixed image now...
No errors were found on the image.
incompatible_features 0x0
wrote 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
incompatible_features 0x0
read 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
read 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing overlap while COW is in flight ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 536870912
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
discard 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with active L2 table); further corruption events will be suppressed
blkdebug: Suspended request '0'
write failed: Input/output error
blkdebug: Resuming request '0'
aio_write failed: No medium found
=== Testing unallocated image header ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with qcow2_header); further corruption events will be suppressed
write failed: Input/output error
=== Testing unaligned L1 entry ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: L2 table offset 0x42a00 unaligned (L1 index: 0); further corruption events will be suppressed
read failed: Input/output error
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: L2 table offset 0x42a00 unaligned (L1 index: 0); further corruption events will be suppressed
qemu-img: Error while amending options: Input/output error
=== Testing unaligned L2 entry ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Cluster allocation offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
read failed: Input/output error
=== Testing unaligned pre-allocated zero cluster ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Cluster allocation offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
qemu-img: Error while amending options: Input/output error
=== Testing unaligned reftable entry ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Refblock offset 0x22a00 unaligned (reftable index: 0); further corruption events will be suppressed
write failed: Input/output error
=== Testing non-fatal corruption on freeing ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Image is corrupt: Cannot free unaligned cluster 0x52a00; further non-fatal corruption events will be suppressed
discard 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing read-only corruption report ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Image is corrupt: Cluster allocation offset 0x52a00 unaligned (L2 offset: 0x40000, L2 index: 0); further non-fatal corruption events will be suppressed
read failed: Input/output error
read failed: Input/output error
=== Testing non-fatal and then fatal corruption report ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Image is corrupt: Cannot free unaligned cluster 0x52a00; further non-fatal corruption events will be suppressed
qcow2: Marking image as corrupt: Cluster allocation offset 0x62a00 unaligned (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed
discard 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read failed: Input/output error
=== Testing empty refcount table ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount table); further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
3 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing empty refcount table with valid L1 and L2 tables ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preventing invalid allocation of refcount block at offset 0; further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
ERROR cluster 4 refcount=0 reference=1
ERROR cluster 5 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
5 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing empty refcount block ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid allocation of L2 table at offset 0; further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 2 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
4 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing empty refcount block with compressed write ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 65536
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preventing invalid allocation of compressed cluster at offset 0; further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 2 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
4 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing zero refcount table size ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
can't open device TEST_DIR/t.IMGFMT: Image does not contain a reference count table
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
The following inconsistencies were found and repaired:
0 leaked clusters
2 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing incorrect refcount table offset ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid allocation of L2 table at offset 0; further corruption events will be suppressed
write failed: Input/output error
=== Testing dirty corrupt image ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
ERROR refcount block 0 is not cluster aligned; refcount table entry corrupted
IMGFMT: Marking image as corrupt: Refblock offset 0xffff2a00 unaligned (reftable index: 0); further corruption events will be suppressed
Can't get refcount for cluster 0: Input/output error
Can't get refcount for cluster 1: Input/output error
Can't get refcount for cluster 2: Input/output error
Can't get refcount for cluster 3: Input/output error
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
can't open device TEST_DIR/t.IMGFMT: Could not repair dirty image: Input/output error
--- Repairing ---
Leaked cluster 1 refcount=1 reference=0
Repairing cluster 1 refcount=1 reference=0
The following inconsistencies were found and repaired:
1 leaked clusters
0 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Writing to an unaligned preallocated zero cluster ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
discard 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preallocated zero cluster offset 0x2a00 unaligned (guest offset: 0); further corruption events will be suppressed
write failed: Input/output error
=== Discarding with an unaligned refblock ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Refblock offset 0x2a00 unaligned (reftable index: 0); further corruption events will be suppressed
qcow2_free_clusters failed: Input/output error
discard failed: No medium found
--- Repairing ---
ERROR refcount block 0 is not cluster aligned; refcount table entry corrupted
qcow2: Marking image as corrupt: Refblock offset 0x2a00 unaligned (reftable index: 0); further corruption events will be suppressed
Can't get refcount for cluster 0: Input/output error
Can't get refcount for cluster 1: Input/output error
Can't get refcount for cluster 2: Input/output error
Can't get refcount for cluster 3: Input/output error
Can't get refcount for cluster 4: Input/output error
Can't get refcount for cluster 5: Input/output error
Can't get refcount for cluster 6: Input/output error
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
qemu-img: Check failed: No medium found
Leaked cluster 1 refcount=1 reference=0
Repairing cluster 1 refcount=1 reference=0
The following inconsistencies were found and repaired:
1 leaked clusters
0 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Discarding an out-of-bounds refblock ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Refblock at 0xffffff00000000 is not covered by the refcount structures; further corruption events will be suppressed
qemu-img: Failed to discard unused refblocks: Input/output error
--- Checking and retrying ---
virtual size: 64M (67108864 bytes)
No errors were found on the image.
Image resized.
virtual size: 32M (33554432 bytes)
=== Discarding a non-covered in-bounds refblock ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Refblock at 0x1000000000 is not covered by the refcount structures; further corruption events will be suppressed
qemu-img: Failed to discard unused refblocks: Input/output error
--- Checking and retrying ---
virtual size: 64M (67108864 bytes)
No errors were found on the image.
Image resized.
virtual size: 32M (33554432 bytes)
=== Discarding a refblock covered by an unaligned refblock ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Cannot get entry from refcount block cache: Offset 0x200 is unaligned; further corruption events will be suppressed
qemu-img: Failed to discard unused refblocks: Input/output error
--- Repairing ---
Repairing refcount block 1 is outside image
ERROR refcount block 2 is not cluster aligned; refcount table entry corrupted
qcow2: Marking image as corrupt: Refblock offset 0x200 unaligned (reftable index: 0x2); further corruption events will be suppressed
Can't get refcount for cluster 1048576: Input/output error
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=1 reference=0
Repairing cluster 1048576 refcount=1 reference=0
qemu-img: Check failed: No medium found
Leaked cluster 1 refcount=1 reference=0
Leaked cluster 2 refcount=1 reference=0
Leaked cluster 1048576 refcount=1 reference=0
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=1 reference=0
Repairing cluster 1048576 refcount=1 reference=0
The following inconsistencies were found and repaired:
3 leaked clusters
0 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing the QEMU shutdown with a corrupted image ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount table); further corruption events will be suppressed
QMP_VERSION
{"return": {}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_IMAGE_CORRUPTED", "data": {"device": "none0", "msg": "Preventing invalid write on metadata (overlaps with refcount table)", "offset": 65536, "node-name": "drive", "fatal": true, "size": 65536}}
write failed: Input/output error
{"return": ""}
{"return": {}}
{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
*** done
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