xfs: detect self referencing btree sibling pointers

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To catch the obvious graph cycle problem and hence potential endless
looping.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Dave Chinner <david@fromorbit.com>

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Dave Chinner 2022-05-04 12:13:35 +10:00 • committed by Dave Chinner

parent a44a027a8b

commit dc04db2aa7

1 changed files with 105 additions and 35 deletions

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140

fs/xfs/libxfs/xfs_btree.c

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