xfs: check for bogus values in btree block headers

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When we're reading a btree block, make sure that what we retrieved
matches the owner and level; and has a plausible number of records.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

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Darrick J. Wong 2016-12-05 12:33:54 +11:00 • committed by Dave Chinner

parent d2a047f31e

commit bb3be7e7c1

1 changed files with 20 additions and 0 deletions

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fs/xfs/libxfs/xfs_btree.c

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