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(parent: 216819f) | patch
xfs: verify free block header fields
authorDarrick J. Wong <darrick.wong@oracle.com>
Thu, 2 Feb 2017 23:14:00 +0000 (15:14 -0800)
committerDarrick J. Wong <darrick.wong@oracle.com>
Thu, 2 Feb 2017 23:14:00 +0000 (15:14 -0800)
commit371f950d2823e9653219d50f27f5ab9244b60d6d
treebb3cbd2ae2bf61bbe5c56098587bb01a36407da4tree | snapshot
parent216819fe5caafb486fe21e0eb045274c9f3dce9dcommit | diff
xfs: verify free block header fields

Perform basic sanity checking of the directory free block header
fields so that we avoid hanging the system on invalid data.

(Granted that just means that now we shutdown on directory write,
but that seems better than hanging...)

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
fs/xfs/libxfs/xfs_dir2_node.c diff | blob | history
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