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(parent: ca659e0) | 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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 7 Jun 2017 10:07:50 +0000 (12:07 +0200)
commit3890d83805fe0f9c854fa3445358714aaa71d1ca
tree299add5294a05580b4514f390e81a1e1d42454e5tree | snapshot
parentca659e086fb7c1584d5e665ea51bd1abd687ea00commit | 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
Domain: System / Kernel;