xfs: validate allocated inode number

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When we have corrupted free inode btrees, we can attempt to
allocate inodes that we know are already allocated. Catch allocation
of these inodes and report corruption as early as possible to
prevent corruption propagation or deadlocks.

Signed-Off-By: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

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Dave Chinner 2018-04-17 17:17:35 -07:00 • committed by Darrick J. Wong

parent afca6c5b25

commit 8b26984dbd

1 changed files with 12 additions and 0 deletions

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fs/xfs/xfs_inode.c

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