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(parent: e237654) | patch
xfs: check for obviously bad level values in the bmbt root
authorDarrick J. Wong <darrick.wong@oracle.com>
Tue, 4 Apr 2017 20:37:43 +0000 (15:37 -0500)
committerEric Sandeen <sandeen@redhat.com>
Tue, 4 Apr 2017 20:37:43 +0000 (15:37 -0500)
commit81bf5e85b3f02165be7deed706c7de6a7ca56bf1
tree7d388f119169f78f40879cd2cc585f3dcd0dc108tree | snapshot
parente2376544b5773619415d9c188b999dab54453686commit | diff
xfs: check for obviously bad level values in the bmbt root

Source kernel commit: b3bf607d58520ea8c0666aeb4be60dbb724cd3a2

We can't handle a bmbt that's taller than BTREE_MAXLEVELS, and there's
no such thing as a zero-level bmbt (for that we have extents format),
so if we see this, send back an error code.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
libxfs/xfs_inode_fork.c diff | blob | blame | history
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