| Commit message (Collapse) | Author | Age |
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Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There are 2 fsck tests with the same number 027:
tree-reloc-tree
bad-extent-inline-ref-type
And we also have a hole in 015, so just rename tree-reloc-tree to 015,
to get rid of the duplicated test number and fill in the hole.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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This test was broken because it tried to mount a different image than
what it had repaired.
Signed-off-by: David Sterba <dsterba@suse.com>
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Transform the test to the common helpers and don't manage the loop
devices here. The test category changes from check to misc.
Signed-off-by: David Sterba <dsterba@suse.com>
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This functionality regressed some time ago and it was never caught. Seems no
one complained of that, but to be sure add a regression test to prevent future
regressions.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: Qu Wenruo <wqu@suse.com>
[ update comment ]
Signed-off-by: David Sterba <dsterba@suse.com>
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check_image function
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Reloc tree is a special tree with very short life span. It acts as a
special snapshot for any tree, with related nodes/leaves or EXTENT_DATA
modified to point to new position.
Considering the short life span and its special purpose, it should be
quite reasonable to keep them as both corner case for fsck and
educational dump for anyone interested in relocation.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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shared tree blocks
For snapshot shared tree blocks with source subvolume, the keyed backref
counter only counts the exclusive owned references.
In the following case, 258 is a snapshot of 257, which inherits all the
reference to this data extent.
------
item 4 key (12582912 EXTENT_ITEM 524288) itemoff 3741 itemsize 140
refs 179 gen 9 flags DATA
extent data backref root 257 objectid 258 offset 0 count 49
extent data backref root 257 objectid 257 offset 0 count 1
extent data backref root 256 objectid 258 offset 0 count 128
extent data backref root 256 objectid 257 offset 0 count 1
------
However lowmem mode used to iterate the whole inode to find all
references, and doesn't care if a reference is already counted by the
shared tree block.
Add the test case to check it.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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backref
The image is dumped by modifying kernel to sleep long enough before
merging relocation trees, so we can just copy the whole image to other
place before kernel begins to merge reloc trees.
And the base image is created by the following script to bump metadata
size:
------
dev=~/test.img
mnt=/mnt/btrfs
umount $mnt &> /dev/null
fallocate -l 128M $dev
mkfs.btrfs -f -n 4k -m single -d single $dev
mount $dev $mnt -o nospace_cache,max_inline=2048
btrfs subvolume create $mnt/src
for i in $(seq -w 0 128); do
xfs_io -f -c "pwrite 0 2k" $mnt/src/file_$i > /dev/null
done
for i in $(seq -w 0 64); do
btrfs subvolume snapshot $mnt/src/ $mnt/snapshot_$i
touch $mnt/snapshot_$i/new
done
sync
------
The image triggers several corner cases that the old lowmem mode didn't
consider.
Like metadata backref with FULL_BACKREF flag and only SHARED_BLOCK_REF
backrefs for metadata. And several tree reloc trees with shared
leaves/nodes to confuse old lowmem mode.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Introduce a new test image, which has an extent item with no inlined
extent data ref, but all keyed extent data ref.
Only in this case we can trigger fase data extent backref lost bug in
lowmem mode.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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false alert
Add a image which can reproduce the extent item referencer count
mismatch false alert for lowmem mode.
Reported-by: Marc MERLIN <marc@merlins.org>
Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Add a image that the inlined extent coexist with the regular extent.
Reported-by: Marc MERLIN <marc@merlins.org>
Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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The image has 2 problems mixed:
1) Too small super total_bytes
This super total_bytes is manually modified to create such problem.
2) Unaligned dev item total_bytes
This is created by v4.12 kernel, with 128M + 2K device added, and
original device removed.
Then we can create such image with unaligned dev item total_bytes.
Signed-off-by: Qu Wenruo <quwenruo.btrfs@gmx.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Most tests don't need a specific size of the test device, the default
2GiB should be fine.
Signed-off-by: David Sterba <dsterba@suse.com>
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This case is for avoiding crash in lowmem check mode.
Field type of extent_inline_ref in an extent is corrupted.
Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Since lowmem mode can repair certain corruptions (mostly in fs tree),
insert a beacon into each fsck test cases to allow some of them be
tested in lowmem mode.
With this patch, fsck option override will check the beacon file
".lowmem_repairable" in the same directory of the test image, and if the
beacon exists, then it will also run lowmem mode repair to repair the
image.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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In this test case, all name in dir_item, dir_index, inode_ref
are corrupted to another one.
btrfs check should report errors about the corrupted dir_item but
btrfs can't repair the case now.
Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Without it, mount (at least from util-linux 2.20.1) tries (and fails) to
mount some filesystems as NTFS.
Signed-off-by: Adam Buchbinder <abuchbinder@google.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Add test case which we have NO_HOLES incompat flag while still have
hole file extent.
This can be created by enabling NO_HOLES feature on an existing
filesystem, which lowmem mode would cause false alert for it.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
[ minor adjustments ]
Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: Lakshmipathi.G <Lakshmipathi.G@giis.co.in>
Signed-off-by: David Sterba <dsterba@suse.com>
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Introduce a new image, which contains external SHARED_DATA_REF items to
trigger a lowmem mode false alert.
The image only contains external SHARED_DATA_REF and no inlined data
backref.
Before the image, we only have inlined shared data ref, which is not
enough to trigger lowmem mode false alert.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Drop the dependency on xfs_io as it's not a standard tool, though it
provides convenience. We use a simple write here so dd can manage.
Signed-off-by: David Sterba <dsterba@suse.com>
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If the tests are started from non-root user, the fallocate and xfs_io
fail. Use the root helper as a workaround, we'd should fix the perms
instead.
Signed-off-by: David Sterba <dsterba@suse.com>
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Lowmem mode exposed several false alerts, all related to file extents
check.
1) Partly written prealloc extent
Cause lowmem mode to report missing csum or prealloc extent should
not have csum
2) Compressed inline extent
Cause lowmem mode to find mismatch on inline len and item len.
While no error message is output but exit silently.
Reported-by: Chris Murphy <chris@colorremedies.com>
Reported-by: Christoph Anton Mitterer <calestyo@scientia.net>
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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fsck-tests/013-extent-tree-rebuild uses "--init-extent-tree", which
implies "--repair".
But the test script doesn't specify "--repair" for lowmem mode test to
detect it.
Add it so lowmem mode test can be happy with it.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Add a minimal image which can reproduce the block group used space
false alert for lowmem mode fsck.
Reported-by: Christoph Anton Mitterer <calestyo@scientia.net>
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The test case fsck-tests/015-check-bad-memory-access can't be repair by
btrfs check, and it's a fortunate bug makes original mode to forget the
error code from extent tree, making original mode pass it.
So fuzz-tests is more suitable for it.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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In my test environment, following error was occurred because the size
of /lib/modules/`uname -r`/* is larger than 1GB.
# make test-fsck
[TEST] fsck-tests.sh
[TEST/fsck] 013-extent-tree-rebuild
failed: cp -aR /lib/modules/4.9.0-rc5/ /test/btrfs-progs/tests/mnt
test failed for case 013-extent-tree-rebuild
Makefile:272: recipe for target 'test-fsck' failed
make: *** [test-fsck] Error 1
#
In this test case, 'generate_dataset small' is enough for making the
test files, so I will use 'generate_dataset' instead of 'cp'.
For this, move 'generate_dataset()' from 'common.convert' to 'common'.
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Reported-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The dump-super and debug-tree commands are replacements for the
standalone tools.
Signed-off-by: David Sterba <dsterba@suse.com>
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Add test case to check the basic function of --clear-space-cache.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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For image with tree reloc tree, if its height is over level 2, the root
node's backref will point to itself. It's valid for kernel, but quota
verify code can't handle it and cause a infinite call, overflowing the
stack.
Add minimal image to reproduce the bug, as regression test.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
[ minor cleanups in test.sh ]
Signed-off-by: David Sterba <dsterba@suse.com>
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Fixed by commit 7c646c538e74 btrfs-progs: qgroup: Fix regression leads
to corrupted qgroup status.
Add minimal test image for that fix.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
[ minor cleanups in test.sh ]
Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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In order to confirm that btrfsck supports to check a variety of
refs, add the
following cases:
* keyed_block_ref
* keyed_data_ref
* shared_block_ref
* shared_data_ref
* no_inline_ref (a extent item without inline ref)
* no_skinny_ref
Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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This commit extends the leaf corruption test to try to repair a file
linked from multiple directory. It stresses a case that some links to a
file is broken but others kept valid.
Signed-off-by: Naohiro Aota <naota@elisp.net>
Signed-off-by: David Sterba <dsterba@suse.com>
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Catch a buggy condition fixed by "btrfs-progs: fsck: Fix a false alert
where extent record has wrong metadata flag"
Signed-off-by: David Sterba <dsterba@suse.com>
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To test if fsck can check detec "leaf crossing stripes".
This function was introduced from patch titled:
btrfs-progs: fsck: Check if a metadata tree block crossing stripe boundary
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
[renamed and other minor changes]
Signed-off-by: David Sterba <dsterba@suse.com>
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mount command in old system can not add "-o loop" option automatically
for loop device, and make following test failed:
# ./fsck-tests.sh
...
[TEST] 013-extent-tree-rebuild
failed: mount /data/btrfsprogs/tests/test.img /data/btrfsprogs/tests/mnt
test failed for case 013-extent-tree-rebuild
Considering that $TEST_DEV can be block or loop device, we need determine
our mount option in a condition for both case.
This patch create a wrapper function for above request, to solve current
problem in 013-extent-tree-rebuild, and support similar request in future.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Some test failed in my nfs dir:
...
[TEST] 006-bad-root-items
tar: test.img: Cannot change ownership to uid 1000, gid 1000: Invalid argument
tar: Exiting with failure status due to previous errors
failed to extract default_case.tar.xz
test failed for case 006-bad-root-items
It is because the image file's owner is:
# tar tvf default_case.tar.xz
-rw-r--r-- fdmanana/fdmanana 2147483648 2014-10-17 17:59 test.img
And make tar failed in chown in nfs.
It is not a big issue because we don't use nfs commonly, but extract
the image file with ownership of current user will be a better choice.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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For example, $TEST_DIR is common used in severial tests, and have
duplicated code for initialize.
These duplicated code not only benifits harddisk vendor, but have
inconsistent details, as:
convert-tests.sh: lack of mkdir
fsck-tests/012-leaf-corruption/test.sh: unnecessary mkdir
fsck-tests/013-extent-tree-rebuild/test.sh: unnecessary init
misc-tests/XXX ...
And severial error message:
_fail "unable to create mount point on $TEST_MNT"
_fail "failed to create mount point"
...
This patch move initizlizaton of $TEST_DIR to common init_env(),
to avoid above problem, and init_env() can be used to add more
things in future.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Add test case for inode with no file extents, but still non-zero size.
To test whether fsck will infinite loop.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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This code block is used several tests, move it to ./common and add a
helper.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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To avoid following mount error in test:
mount: /root/btrfs/progs/tests/fsck-tests/012-leaf-corruption/test.img
is not a block device (maybe try `-o loop'?)
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Add a new test case for I_ERR_FILE_WRONG_NBYTES.
The new btrfs-image dump image contains a file in 12K size.
But nbytes in its inode item is a random number.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
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Crafted images may trigger out-of-bounds access during check, fixed by
"btrfs-progs: Enhance read_tree_block to avoid memory corruption"
Now adding image for the first one, the other need enhancements in the
testing framework.
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=97171
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=97191
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=97271
Signed-off-by: David Sterba <dsterba@suse.cz>
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Currently this test uses the system btrfs-image. If there isn't a
btrfs-image on $PATH, the test fails. The test should be using the
locally compiled btrfs-image, not the system one.
Signed-off-by: WorMzy Tykashi <wormzy.tykashi@gmail.com>
Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
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