xfs: filter out obviously bad btree pointers

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commit d5a91baeb6 upstream.

Don't let anybody load an obviously bad btree pointer.  Since the values
come from disk, we must return an error, not just ASSERT.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Darrick J. Wong 2017-02-02 15:13:58 -08:00 • committed by Greg Kroah-Hartman

parent 7e2dd1fb71

commit efab3ae29c

3 changed files with 4 additions and 6 deletions

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5

fs/xfs/libxfs/xfs_bmap.c

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3

fs/xfs/libxfs/xfs_btree.c

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2

fs/xfs/libxfs/xfs_btree.h

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