Hi all,
The following patchset enable the use of xfstests to test reflink
functionality under ocfs2. The first patch tests the ability to reflink
into and out of inline-data files on ocfs2. Patches 2-6 fix various
problems with the tests that came up when qualifying ocfs2.
The last patch maliciously corrupts ext4 and xfs filesystems to
exploit nonexistent checking of i_size in order to coerce Linux into
loading a file with negative size. It then exploits integer overflows
in the VFS writeback code to hard lock the kernel. Don't run the tests
in this patch ({ext4,xfs}/40[01]) unless you have a fixed kernel (4.10?)
Comments and questions are, as always, welcome.
--D
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