xfs: Validate the length of on-disk ACLs

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In xfs_acl_from_disk, instead of trusting that xfs_acl.acl_cnt is correct,
make sure that the length of the attributes is correct as well.  Also, turn
the aclp parameter into a const pointer.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

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Andreas Gruenbacher 2015-11-03 12:41:59 +11:00 • committed by Dave Chinner

parent 67d8e04e34

commit 86a21c7974

2 changed files with 14 additions and 7 deletions

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8

fs/xfs/libxfs/xfs_format.h

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13

fs/xfs/xfs_acl.c

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