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(parent: a1b41b8) | patch
xfs: fix kernel memory exposure problems
authorDarrick J. Wong <darrick.wong@oracle.com>
Mon, 3 Apr 2017 19:22:39 +0000 (12:22 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Mon, 3 Apr 2017 19:22:39 +0000 (12:22 -0700)
commitdff461326065dbf8ed54aa535154c9d3e2485c9f
treefdf0a10ee12bbbd95c8312314682352e89dd9dd7tree | snapshot
parenta1b41b87d7396bfa131c3855a86d34583be344b1commit | diff
xfs: fix kernel memory exposure problems

Fix a memory exposure problems in inumbers where we allocate an array of
structures with holes, fail to zero the holes, then blindly copy the
kernel memory contents (junk and all) into userspace.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
fs/xfs/xfs_itable.c diff | blob | history
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