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Stefan Hajnoczi d65f97a82c block/cloop: validate block_size header field (CVE-2014-0144) 
Avoid unbounded s->uncompressed_block memory allocation by checking that
the block_size header field has a reasonable value.  Also enforce the
assumption that the value is a non-zero multiple of 512.

These constraints conform to cloop 2.639's code so we accept existing
image files.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-04-01 13:59:47 +02:00
..
sample_images
qemu-iotests: add cloop input validation tests
2014-04-01 13:59:46 +02:00
.gitignore
.gitignore: ignore tests/qemu-iotests/socket_scm_helper
2013-10-01 16:06:07 +04:00
001
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
001.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
002
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
002.out
qemu-iotests: A few more bdrv_pread/pwrite tests
2013-04-15 08:26:18 +02:00
003
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
003.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
004
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
004.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
005
qemu-iotests: Don't run 005 on vmdk split formats
2014-02-14 18:05:39 +01:00
005.out
iotests: fix error in 005
2012-04-19 15:48:52 +02:00
006
qemu-iotests: add support for rbd and sheepdog protocols
2012-02-23 10:29:46 +01:00
006.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
007
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
007.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
008
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
008.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
009
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
009.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
010
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
010.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
011
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
011.out
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
012
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
012.out
qemu-io: correctly print non-integer values as decimals
2012-05-10 10:32:12 +02:00
013
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
013.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
014
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
014.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
015
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
015.out
qemu-iotests: Always filter cluster_size out in _make_test_img
2012-04-19 15:48:52 +02:00
016
qemu-iotests: enable test 016 and 025 to work with NFS protocol
2014-02-09 09:12:38 +01:00
016.out
qemu-io: correctly print non-integer values as decimals
2012-05-10 10:32:12 +02:00
017
qemu-iotests: Add _unsupported_imgopts for vmdk subformats
2014-01-22 12:07:16 +01:00
017.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
018
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
018.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
019
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
019.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
020
qemu-iotests: blacklist test 020 for NFS protocol
2014-02-09 09:12:38 +01:00
020.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
021
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
021.out
qemu-iotests: test invalid pattern argument handling in qemu-io
2012-02-22 16:17:02 +01:00
022
qemu-iotests: add support for rbd and sheepdog protocols
2012-02-23 10:29:46 +01:00
022.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
023
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
023.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
024
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
024.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
025
qemu-iotests: enable test 016 and 025 to work with NFS protocol
2014-02-09 09:12:38 +01:00
025.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
026
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
026.out
qemu-iotests: Correct 026 output
2013-10-07 13:23:19 +02:00
026.out.nocache
qemu-iotests: Correct 026 output
2013-10-07 13:23:19 +02:00
027
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
027.out
qemu-io: correctly print non-integer values as decimals
2012-05-10 10:32:12 +02:00
028
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
028.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
029
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
029.out
qemu-iotests: Always filter cluster_size out in _make_test_img
2012-04-19 15:48:52 +02:00
030
qemu-iotests: Make test case 030, 040 and 055 deterministic
2013-11-29 13:40:37 +01:00
030.out
qemu-iotests: add tests for streaming error handling
2012-09-28 19:40:56 +02:00
031
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
031.out
qcow2: Add corrupt bit
2013-08-30 15:48:43 +02:00
032
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
032.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
033
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
033.out
qemu-io: correctly print non-integer values as decimals
2012-05-10 10:32:12 +02:00
034
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
034.out
qemu-iotests: Test backing file COW with zero clusters
2012-04-20 15:57:30 +02:00
035
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
035.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
036
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
036.out
qcow2: Add corrupt bit
2013-08-30 15:48:43 +02:00
037
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
037.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
038
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
038.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
039
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
039.out
qemu-iotests: Adjust test result 039
2013-09-06 15:25:07 +02:00
040
qemu-iotests: Drop assert_no_active_commit in case 040
2014-01-31 22:05:03 +01:00
040.out
qemu-iotests: add relative backing file tests for block-commit (040)
2012-10-24 10:26:19 +02:00
041
qemu-iotests: Fix test 041
2013-11-27 07:53:32 -08:00
041.out
qemu-iotests: Fix test 041
2013-11-27 07:53:32 -08:00
042
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
042.out
qemu-iotests: Test qemu-img operation on zero size image
2012-10-24 10:26:18 +02:00
043
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
043.out
qemu-iotests: Add 043 backing file chain infinite loop test
2012-10-24 10:26:19 +02:00
044
qemu-iotests: qcow2: Test growing large refcount table
2012-11-14 18:19:21 +01:00
044.out
qcow2: Gather clusters in a looping loop
2013-03-28 11:52:44 +01:00
045
qemu-iotests: add tests for runtime fd passing via SCM rights
2013-09-12 10:12:47 +02:00
045.out
qemu-iotests: add tests for runtime fd passing via SCM rights
2013-09-12 10:12:47 +02:00
046
qcow2: Set zero flag for discarded clusters
2014-02-21 21:02:21 +01:00
046.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
047
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
047.out
qemu-iotests: Filter out 'qemu-io> ' prompt
2013-11-29 17:41:13 +01:00
048
qemu-iotests: Split qcow2 only cases in 048
2013-12-04 14:31:39 +01:00
048.out
qemu-iotests: Split qcow2 only cases in 048
2013-12-04 14:31:39 +01:00
049
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
049.out
qemu-iotests: Adjustments due to error propagation
2013-09-12 10:12:48 +02:00
050
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
050.out
qemu-iotests: add tests for rebasing zero clusters
2013-03-15 16:07:51 +01:00
051
block: Fix error path segfault in bdrv_open()
2014-03-06 17:29:24 +01:00
051.out
block: Fix error path segfault in bdrv_open()
2014-03-06 17:29:24 +01:00
052
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
052.out
qemu-iotests: add 052 BDRV_O_SNAPSHOT test
2013-03-19 11:48:37 +01:00
053
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
053.out
qemu-iotests: add 053 unaligned compressed image size test
2013-04-22 11:37:12 +02:00
054
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
054.out
qemu-iotests: Adjustments due to error propagation
2013-09-12 10:12:48 +02:00
055
qemu-iotests: Make test case 030, 040 and 055 deterministic
2013-11-29 13:40:37 +01:00
055.out
Add tests for sync modes 'TOP' and 'NONE'
2013-07-26 22:01:31 +02:00
056
Add tests for sync modes 'TOP' and 'NONE'
2013-07-26 22:01:31 +02:00
056.out
Add tests for sync modes 'TOP' and 'NONE'
2013-07-26 22:01:31 +02:00
057
qemu-iotests: add 057 internal snapshot for block device test case
2013-09-12 10:12:47 +02:00
057.out
qemu-iotests: add 057 internal snapshot for block device test case
2013-09-12 10:12:47 +02:00
058
qemu-iotests: add test for snapshot in qemu-img convert
2013-12-04 15:19:00 +01:00
058.out
qemu-iotests: add test for snapshot in qemu-img convert
2013-12-04 15:19:00 +01:00
059
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
059.out
vmdk: correctly propagate errors
2014-02-21 21:02:24 +01:00
060
iotests: Test corruption during COW request
2014-03-13 14:23:27 +01:00
060.out
iotests: Test corruption during COW request
2014-03-13 14:23:27 +01:00
061
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
061.out
qemu-iotests: Preallocated zero clusters in 061
2013-09-27 11:16:36 +02:00
062
qemu-iotests: Snapshotting zero clusters
2013-08-30 15:28:52 +02:00
062.out
qemu-iotests: Snapshotting zero clusters
2013-08-30 15:28:52 +02:00
063
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
063.out
add qemu-img convert -n option (skip target volume creation)
2013-09-06 15:25:07 +02:00
064
block: qemu-iotests for vhdx, add write test support
2013-11-07 13:58:59 +01:00
064.out
block: qemu-iotests for vhdx, add write test support
2013-11-07 13:58:59 +01:00
065
qemu-iotests: Additional info from qemu-img info
2013-10-11 16:49:50 +02:00
065.out
qemu-iotests: Additional info from qemu-img info
2013-10-11 16:49:50 +02:00
066
qemu-iotests: Discard preallocated zero clusters
2013-10-11 16:49:59 +02:00
066.out
qemu-iotests: Discard preallocated zero clusters
2013-10-11 16:49:59 +02:00
067
qemu-iotests: Filter out actual image size in 067
2013-11-07 13:53:30 +01:00
067.out
qemu-iotests: Filter out actual image size in 067
2013-11-07 13:53:30 +01:00
068
qemu-iotests: Test for loading VM state from qcow2
2013-10-25 11:08:20 +02:00
068.out
qemu-iotests: Test for loading VM state from qcow2
2013-10-25 11:08:20 +02:00
069
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
069.out
block: Print its file name if backing file opening failed
2013-11-14 13:09:06 +01:00
070
block: qemu-iotests - add vhdx log replay tests for qemu-img
2014-02-14 18:05:39 +01:00
070.out
block: qemu-iotests - add vhdx log replay tests for qemu-img
2014-02-14 18:05:39 +01:00
071
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
071.out
iotests: Test new blkdebug/blkverify interface
2014-01-22 12:07:18 +01:00
072
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
072.out
iotests: Test file format nesting
2014-01-22 12:07:18 +01:00
073
qemu-iotests: Test qcow2 count_contiguous_clusters()
2013-11-15 13:37:43 +01:00
073.out
qemu-iotests: Test qcow2 count_contiguous_clusters()
2013-11-15 13:37:43 +01:00
074
qemu-iotests: Split qcow2 only cases in 048
2013-12-04 14:31:39 +01:00
074.out
qemu-iotests: Split qcow2 only cases in 048
2013-12-04 14:31:39 +01:00
075
block/cloop: validate block_size header field (CVE-2014-0144)
2014-04-01 13:59:47 +02:00
075.out
block/cloop: validate block_size header field (CVE-2014-0144)
2014-04-01 13:59:47 +02:00
077
qemu-iotest: Make 077 raw-only
2014-02-09 09:12:38 +01:00
077.out
qemu-iotests: Test pwritev RMW logic
2014-01-24 17:40:25 +01:00
079
qemu-iotests: add test for qcow2 preallocation with different cluster sizes
2014-02-09 09:12:39 +01:00
079.out
qemu-iotests: add test for qcow2 preallocation with different cluster sizes
2014-02-09 09:12:39 +01:00
081
qemu-io-test: Disable Quorum test when not compiled in.
2014-02-28 18:59:07 +01:00
081.out
qmp: Make Quorum error events more palatable.
2014-02-28 18:59:06 +01:00
082
qemu-iotests: Check qemu-img command line parsing
2014-02-21 22:10:31 +01:00
082.out
qemu-iotests: Check qemu-img command line parsing
2014-02-21 22:10:31 +01:00
083
qemu-iotests: add 083 NBD client disconnect tests
2014-03-14 16:29:02 +01:00
083.out
qemu-iotests: add 083 NBD client disconnect tests
2014-03-14 16:29:02 +01:00
085
block: qemu-iotests 085 - live snapshots tests
2014-03-07 11:36:12 +01:00
085.out
block: qemu-iotests 085 - live snapshots tests
2014-03-07 11:36:12 +01:00
086
qemu-iotests: Test progress output for conversion
2014-03-05 15:58:32 +01:00
086.out
qemu-iotests: Test progress output for conversion
2014-03-05 15:58:32 +01:00
087
blockdev: Refuse to open encrypted image unless paused
2014-03-14 16:24:42 +01:00
087.out
blockdev: Refuse to open encrypted image unless paused
2014-03-14 16:24:42 +01:00
check
qemu-iotests: add 058 internal snapshot export with qemu-nbd case
2013-12-04 15:19:00 +01:00
common
qemu-iotests: add ./check -cloop support
2014-04-01 13:59:46 +02:00
common.config
qemu-iotests: Add basic ability to use binary sample images
2013-09-27 10:59:07 +02:00
common.filter
qemu-iotests: filter QEMU monitor \r\n
2013-12-06 16:53:51 +01:00
common.pattern
block: qemu-iotests, add quotes to $TEST_IMG usage io pattern tests
2013-11-07 13:53:31 +01:00
common.rc
qemu-iotests: add ./check -cloop support
2014-04-01 13:59:46 +02:00
COPYING
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
group
qemu-iotests: add cloop input validation tests
2014-04-01 13:59:46 +02:00
iotests.py
qemu-iotests: Honour cache mode in iotests.py
2013-12-04 11:55:13 +01:00
Makefile
qemu-iotests: Initial import into the public repository.
2012-02-22 16:15:22 +01:00
nbd-fault-injector.py
tests: add nbd-fault-injector.py utility
2014-03-14 16:28:28 +01:00
qcow2.py
qcow2.py: Subcommand for changing header fields
2013-05-24 16:17:55 +02:00
qed.py
qemu-iotests: add qed.py image manipulation utility
2012-08-06 22:39:14 +02:00
README
qemu-iotests: README: Fix spelling
2012-02-23 10:29:46 +01:00
socket_scm_helper.c
qemu-iotests: add unix socket help program
2013-09-12 10:12:46 +02:00

README 

=== This is the QEMU I/O test suite ===

* Intro

This package contains a simple test suite for the I/O layer of qemu.
It does not require a guest, but only the qemu, qemu-img and qemu-io
binaries.  This does limit it to exercise the low-level I/O path only
but no actual block drivers like ide, scsi or virtio.

* Usage

Just run ./check to run all tests for the raw image format, or ./check
-qcow2 to test the qcow2 image format.  The output of ./check -h explains
additional options to test further image formats or I/O methods.

* Feedback and patches

Please send improvements to the test suite, general feedback or just
reports of failing tests cases to qemu-devel@savannah.nongnu.org.