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(parent: 3759998) | 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)
committerRaspbian kernel package updater <root@raspbian.org>
Sun, 23 Jul 2017 02:53:21 +0000 (02:53 +0000)
commit640a981e6c9190aa161f9aed393035b33cbef2d1
treeb9c6ee8d99996c6852553a6bbcbd1c0d8eabc40etree | snapshot
parent3759998a206368b99e9ac87ca6dbed063df64e5fcommit | diff
xfs: fix kernel memory exposure problems

commit bf9216f922612d2db7666aae01e65064da2ffb3a upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/xfs/xfs_itable.c diff | blob | history
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