xfs: check da node magic in _node_lookup_int

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Before we start processing what we /think/ is a da3 node block, actually
check the magic to make sure that we're looking at a node block.  This
way we won't blow the asserts in _node_hdr_from_disk on corrupted
metadata.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>

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Darrick J. Wong 2018-08-01 07:40:48 -07:00

parent 611995db2c

commit 56830d6cc1

1 changed files with 3 additions and 1 deletions

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fs/xfs/libxfs/xfs_da_btree.c

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