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xfs: dabtree scrub needs to range-check level
authorDarrick J. Wong <darrick.wong@oracle.com>
Tue, 19 Mar 2019 15:16:21 +0000 (08:16 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Tue, 19 Mar 2019 15:16:21 +0000 (08:16 -0700)
commit228de124f290e6b981b2c61fbd78215e11264044
treeab60a57d0238ccba12d3186c58a47734217495fe
parent6958d11f77d45db80f7e22a21a74d4d5f44dc667
xfs: dabtree scrub needs to range-check level

Make sure scrub's dabtree iterator function checks that we're not
going deeper in the stack than our cursor permits.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
fs/xfs/scrub/dabtree.c