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(parent: b3bf607) | 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)
commitde14c5f541e78c59006bee56f6c5c2ef1ca07272
treebb3cbd2ae2bf61bbe5c56098587bb01a36407da4tree | snapshot (tar.gz zip)
parentb3bf607d58520ea8c0666aeb4be60dbb724cd3a2commit | 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 | blame | history