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8aa34834d5
qemu/tests/qemu-iotests
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Alberto Garcia 8aa34834d5 qcow2: Prevent allocating compressed clusters at offset 0 
If the refcount data is corrupted then we can end up trying to
allocate a new compressed cluster at offset 0 in the image, triggering
an assertion in qcow2_alloc_bytes() that would crash QEMU:

  qcow2_alloc_bytes: Assertion `offset' failed.

This patch adds an explicit check for this scenario and a new test
case.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: fb53467cf48e95ff3330def1cf1003a5b862b7d9.1509718618.git.berto@igalia.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-11-14 18:06:25 +01:00
..
sample_images
.gitignore
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026.out.nocache
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030 commit: Remove overlay_bs 2017-10-06 16:28:58 +02:00
030.out
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033
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034
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035
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036
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037
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038
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039
039.out qemu-iotests: limit non-_PROG-suffixed variables to common.rc 2017-10-06 16:28:58 +02:00
040 iotests: use -ccw on s390x for 040, 139, and 182 2017-09-26 14:46:23 +02:00
040.out block: Skip implicit nodes in query-block/blockstats 2017-07-24 15:06:04 +02:00
041 qemu-iotests/041: Fix leaked scratch images 2017-08-01 18:09:33 +02:00
041.out block: Skip implicit nodes in query-block/blockstats 2017-07-24 15:06:04 +02:00
042
042.out
043
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044
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045
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046
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047
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048
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050
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051 iotests: use -ccw on s390x for 051 2017-09-26 14:46:23 +02:00
051.out iotests: use -ccw on s390x for 051 2017-09-26 14:46:23 +02:00
051.pc.out iotests: use -ccw on s390x for 051 2017-09-26 14:46:23 +02:00
052
052.out
053
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054
054.out
055 qemu-iotests: Avoid unnecessary sleeps 2017-07-24 15:06:04 +02:00
055.out
056
056.out
057
057.out
058 nbd-client: Refuse read-only client with BDRV_O_RDWR 2017-11-09 10:10:17 -06:00
058.out
059 qemu-iotests/059: Fix leaked image files 2017-08-01 18:09:33 +02:00
059.out qemu-iotests/059: Fix leaked image files 2017-08-01 18:09:33 +02:00
060 qcow2: Prevent allocating compressed clusters at offset 0 2017-11-14 18:06:25 +01:00
060.out qcow2: Prevent allocating compressed clusters at offset 0 2017-11-14 18:06:25 +01:00
061
061.out qemu-iotests: limit non-_PROG-suffixed variables to common.rc 2017-10-06 16:28:58 +02:00
062
062.out
063 qemu-iotests/063: Fix leaked image 2017-08-01 18:09:33 +02:00
063.out
064
064.out
065
065.out
066
066.out
067 iotests: Pull _filter_actual_image_size from 67/87 2017-10-26 15:01:13 +02:00
067.out iotests: use virtio aliases for 067 2017-09-26 14:46:23 +02:00
068 snapshot/tests: Try loadvm twice 2017-09-06 15:19:01 +01:00
068.out snapshot/tests: Try loadvm twice 2017-09-06 15:19:01 +01:00
069
069.out
070
070.out
071
071.out
072
072.out
073
073.out
074 qemu-iotests: Remove blkdebug.conf after tests 2017-08-01 18:09:33 +02:00
074.out qemu-img: Drop redundant error message in compare 2017-10-26 14:45:57 +02:00
075
075.out
076
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077
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078
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079
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080
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081
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082 qemu-img: Check for backing image if specified during create 2017-07-18 15:27:37 +02:00
082.out qemu-img: Check for backing image if specified during create 2017-07-18 15:27:37 +02:00
083 qemu-iotests: test NBD over UNIX domain sockets in 083 2017-08-30 13:00:38 -05:00
083.out nbd: Minimal structured read for client 2017-10-30 21:48:41 +01:00
084
084.out
085 block: Use JSON null instead of "" to disable backing file 2017-07-24 13:35:11 +02:00
085.out
086
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087 iotests: Pull _filter_actual_image_size from 67/87 2017-10-26 15:01:13 +02:00
087.out
088
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089
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090
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091
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092
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093 qemu-iotests: Test I/O limits with removable media 2017-11-13 15:46:26 +00:00
093.out qemu-iotests: Test I/O limits with removable media 2017-11-13 15:46:26 +00:00
094
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095
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096
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097
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098
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101
101.out
102 qemu-img: add --shrink flag for resize 2017-09-26 15:00:32 +02:00
102.out
103
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104
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105
105.out
106 qemu-img: add --shrink flag for resize 2017-09-26 15:00:32 +02:00
106.out iotests: Add preallocated resize test for raw 2017-07-11 17:45:02 +02:00
107
107.out
108
108.out
109 qemu-iotests/109: Fix lock race condition 2017-08-08 14:36:59 +02:00
109.out qemu-iotests/109: Fix lock race condition 2017-08-08 14:36:59 +02:00
110
110.out
111
111.out qemu-img: Check for backing image if specified during create 2017-07-18 15:27:37 +02:00
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124 iotests: Check dirty bitmap statistics in 124 2017-08-01 18:09:33 +02:00
124.out
125 iotests: Add cluster_size=64k to 125 2017-10-26 15:01:14 +02:00
125.out iotests: Add cluster_size=64k to 125 2017-10-26 15:01:14 +02:00
126
126.out
127 iotests: Add test for dataplane mirroring 2017-10-26 15:01:13 +02:00
127.out iotests: Add test for dataplane mirroring 2017-10-26 15:01:13 +02:00
128
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135
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136 block/null: Remove 'filename' option 2017-08-08 15:19:16 +02:00
136.out
137
137.out qemu-iotests: limit non-_PROG-suffixed variables to common.rc 2017-10-06 16:28:58 +02:00
138
138.out
139 iotests: use -ccw on s390x for 040, 139, and 182 2017-09-26 14:46:23 +02:00
139.out
140 nbd-client: Refuse read-only client with BDRV_O_RDWR 2017-11-09 10:10:17 -06:00
140.out nbd: Fix iotests failure due to changed client error message 2017-07-17 13:57:42 -05:00
141 qemu-iotests/141: Fix image cleanup 2017-08-01 18:09:33 +02:00
141.out
142
142.out
143
143.out nbd: Fix iotests failure due to changed client error message 2017-07-17 13:57:42 -05:00
144
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147 nbd-client: Refuse read-only client with BDRV_O_RDWR 2017-11-09 10:10:17 -06:00
147.out
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149
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150
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152
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153 qemu-iotests/153: Fix leaked scratch images 2017-08-01 18:09:33 +02:00
153.out
154
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155
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156 iotests: Fix test 156 2017-08-01 18:09:33 +02:00
156.out
157
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158 qemu-img: Check for backing image if specified during create 2017-07-18 15:27:37 +02:00
158.out
159
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160
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162 qemu-iotests/162: Fix leaked temporary files 2017-08-01 18:09:33 +02:00
162.out
163 qemu-iotests: add shrinking image test 2017-09-26 15:00:32 +02:00
163.out qemu-iotests: add shrinking image test 2017-09-26 15:00:32 +02:00
165 qcow2: Switch store_bitmap_data() to byte-based iteration 2017-10-06 16:28:58 +02:00
165.out
170
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171
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172 qemu-iotests: Add missing -machine accel=qtest 2017-09-26 14:46:23 +02:00
172.out hw/block/fdc: Convert to realize 2017-09-18 19:43:38 -04:00
173
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174
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175
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177 qemu-io: Relax 'alloc' now that block-status doesn't assert 2017-10-26 14:45:57 +02:00
177.out qemu-io: Relax 'alloc' now that block-status doesn't assert 2017-10-26 14:45:57 +02:00
178
178.out.qcow2
178.out.raw
179 qemu-iotests: Remove blkdebug.conf after tests 2017-08-01 18:09:33 +02:00
179.out
181 iotests: fix 181: enable postcopy-ram capability on target 2017-09-26 14:46:23 +02:00
181.out iotests: fix 181: enable postcopy-ram capability on target 2017-09-26 14:46:23 +02:00
182 iotests: use -ccw on s390x for 040, 139, and 182 2017-09-26 14:46:23 +02:00
182.out
183
183.out
184 iotests: Filter actual image size in 184 and 191 2017-10-26 15:01:13 +02:00
184.out iotests: Filter actual image size in 184 and 191 2017-10-26 15:01:13 +02:00
185 qemu-iotests: fix 185 2017-08-11 14:44:39 +02:00
185.out
186 qemu-iotests: Add missing -machine accel=qtest 2017-09-26 14:46:23 +02:00
186.out iotests: Redirect stderr to stdout in 186 2017-08-01 18:09:33 +02:00
187 qemu-iotests: Test reopen between read-only and read-write 2017-08-08 15:19:16 +02:00
187.out qemu-io: Drop write permissions before read-only reopen 2017-09-26 14:46:23 +02:00
188
188.out
189 qemu-img: Check for backing image if specified during create 2017-07-18 15:27:37 +02:00
189.out
190 iotests: Add test of recent fix to 'qemu-img measure' 2017-08-01 18:09:33 +02:00
190.out iotests: Add test of recent fix to 'qemu-img measure' 2017-08-01 18:09:33 +02:00
191 iotests: Filter actual image size in 184 and 191 2017-10-26 15:01:13 +02:00
191.out iotests: Filter actual image size in 184 and 191 2017-10-26 15:01:13 +02:00
192 iotests: rewrite 192 to use _launch_qemu to fix LUKS support 2017-09-05 14:17:26 -05:00
192.out iotests: Add non-shared storage migration case 192 2017-08-15 10:03:28 -05:00
194 iotests: blacklist 194 with the luks driver 2017-09-05 14:17:26 -05:00
194.out qemu-iotests: Extend non-shared storage migration test (194) 2017-08-30 13:00:37 -05:00
195 iotests: Fix 195 if IMGFMT is part of TEST_DIR 2017-10-06 16:30:47 +02:00
195.out qemu-iotests: Test change-backing-file command 2017-09-26 14:46:23 +02:00
197 iotests: Add test 197 for covering copy-on-read 2017-10-06 16:28:58 +02:00
197.out iotests: Add test 197 for covering copy-on-read 2017-10-06 16:28:58 +02:00
check iotests: Restore stty settings on completion 2017-10-06 16:28:58 +02:00
common.config qemu-iotests: disintegrate more parts of common.config 2017-10-06 16:28:58 +02:00
common.filter iotests: Pull _filter_actual_image_size from 67/87 2017-10-26 15:01:13 +02:00
common.pattern
common.qemu qemu-iotests: Allow QMP pretty printing in common.qemu 2017-10-06 16:28:58 +02:00
common.rc qemu-iotests: get rid of $iam 2017-10-06 16:28:58 +02:00
COPYING
group iotests: Add test for dataplane mirroring 2017-10-26 15:01:13 +02:00
iotests.py scripts: Remove debug parameter from QEMUMachine 2017-10-11 15:15:17 -03:00
Makefile
nbd-fault-injector.py nbd: rename some simple-request related objects to be _simple_ 2017-10-12 16:27:34 -05:00
qcow2.py
qed.py
README
socket_scm_helper.c

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@nongnu.org with a CC:
to qemu-block@nongnu.org.