Qu Wenruo 17515f1b76 btrfs: Fix wrong first_key parameter in replace_path ...

Commit 581c1760415c ("btrfs: Validate child tree block's level and first
key") introduced new @first_key parameter for read_tree_block(), however
caller in replace_path() is parasing wrong key to read_tree_block().

It should use parameter @first_key other than @key.

Normally it won't expose problem as @key is normally initialzied to the
same value of @first_key we expect.
However in relocation recovery case, @key can be set to (0, 0, 0), and
since no valid key in relocation tree can be (0, 0, 0), it will cause
read_tree_block() to return -EUCLEAN and interrupt relocation recovery.

Fix it by setting @first_key correctly.

Fixes: 581c1760415c ("btrfs: Validate child tree block's level and first key")
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

2018-04-26 13:21:04 +02:00

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tests

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acl.c

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async-thread.c

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async-thread.h

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backref.c

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backref.h

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btrfs_inode.h

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check-integrity.c

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check-integrity.h

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compression.c

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compression.h

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ctree.c

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ctree.h

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dedupe.h

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delayed-inode.c

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delayed-inode.h

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delayed-ref.c

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delayed-ref.h

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dev-replace.c

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dev-replace.h

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dir-item.c

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disk-io.c

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disk-io.h

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export.c

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export.h

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extent_io.c

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extent_io.h

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extent_map.c

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extent_map.h

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extent-tree.c

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file-item.c

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file.c

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free-space-cache.c

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free-space-cache.h

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free-space-tree.c

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free-space-tree.h

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inode-item.c

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inode-map.c

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inode-map.h

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inode.c

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ioctl.c

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Kconfig

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locking.c

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locking.h

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lzo.c

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Makefile

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math.h

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ordered-data.c

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ordered-data.h

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orphan.c

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print-tree.c

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print-tree.h

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props.c

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props.h

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qgroup.c

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qgroup.h

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raid56.c

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raid56.h

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rcu-string.h

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reada.c

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ref-verify.c

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ref-verify.h

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relocation.c

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root-tree.c

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scrub.c

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send.c

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send.h

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struct-funcs.c

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super.c

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sysfs.c

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sysfs.h

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transaction.c

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transaction.h

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tree-checker.c

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tree-checker.h

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tree-defrag.c

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tree-log.c

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tree-log.h

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ulist.c

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ulist.h

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uuid-tree.c

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volumes.c

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volumes.h

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xattr.h

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zlib.c

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zstd.c

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