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(parent: 105664d) | patch
xfs: fix kernel memory exposure problems
authorDarrick J. Wong <darrick.wong@oracle.com>
Mon, 3 Apr 2017 22:17:53 +0000 (15:17 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Mon, 3 Apr 2017 22:18:15 +0000 (15:18 -0700)
commitf1c0e20243baca1194fccfdf0111831bee12647c
tree2ae4bba79108dda7cc01fbf1a877e2be3c94ff39tree | snapshot
parent105664df51648d6376bda2895a890e786d0426eecommit | 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
Domain: System / Kernel;