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Kevin Wolf 6d33e8e7dc qcow2: Fix backing file name length check 
len could become negative and would pass the check then. Nothing bad
happened because bdrv_pread() happens to return an error for negative
length values, but make variables for sizes unsigned anyway.

This patch also changes the behaviour to error out on invalid lengths
instead of silently truncating it to 1023.

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 14:19:09 +02:00
..
sample_images
qemu-iotests: Support for bochs format
2014-04-01 13:59:47 +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
…
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
…
004
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
004.out
…
005
qemu-iotests: Don't run 005 on vmdk split formats
2014-02-14 18:05:39 +01:00
005.out
…
006
…
006.out
…
007
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
007.out
…
008
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
008.out
…
009
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
009.out
…
010
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
010.out
…
011
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
011.out
…
012
qemu-iotests: Quote $TEST_IMG* and $TEST_DIR usage
2013-09-27 11:10:45 +02:00
012.out
…
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
…
016
qemu-iotests: enable test 016 and 025 to work with NFS protocol
2014-02-09 09:12:38 +01:00
016.out
…
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
…
022
…
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
…
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
…
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
…
034
qemu-iotests: change _supported_proto to file for various tests
2014-02-09 09:12:38 +01:00
034.out
…
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: fix offsets[] size off-by-one
2014-04-01 13:59:47 +02:00
075.out
block/cloop: fix offsets[] size off-by-one
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
078
bochs: Check extent_size header field (CVE-2014-0142)
2014-04-01 13:59:47 +02:00
078.out
bochs: Check extent_size header field (CVE-2014-0142)
2014-04-01 13:59:47 +02:00
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
080
qcow2: Fix backing file name length check
2014-04-01 14:19:09 +02:00
080.out
qcow2: Fix backing file name length check
2014-04-01 14:19:09 +02:00
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
088
vpc: Validate block size (CVE-2014-0142)
2014-04-01 13:59:47 +02:00
088.out
vpc: Validate block size (CVE-2014-0142)
2014-04-01 13:59:47 +02:00
check
qemu-iotests: add 058 internal snapshot export with qemu-nbd case
2013-12-04 15:19:00 +01:00
common
qemu-iotests: Support for bochs format
2014-04-01 13:59:47 +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
…
group
qcow2: Check header_length (CVE-2014-0144)
2014-04-01 14:19:09 +02:00
iotests.py
qemu-iotests: Honour cache mode in iotests.py
2013-12-04 11:55:13 +01:00
Makefile
…
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
…
README
…
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.