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| author | Eric Paris <eparis@redhat.com> | 2007-12-04 16:06:55 (GMT) |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2007-12-05 13:25:30 (GMT) |
| commit | 5a211a5deabcafdc764817d5b4510c767d317ddc (patch) | |
| tree | d330ce692f43c1b02c84ff81284e6191d567e02f /mm/page-writeback.c | |
| parent | 7cd94146cd504016315608e297219f9fb7b1413b (diff) | |
| download | linux-5a211a5deabcafdc764817d5b4510c767d317ddc.tar.xz | |
VM/Security: add security hook to do_brk
Given a specifically crafted binary do_brk() can be used to get low
pages available in userspace virtually memory and can thus be used to
circumvent the mmap_min_addr low memory protection. Add security checks
in do_brk().
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'mm/page-writeback.c')
0 files changed, 0 insertions, 0 deletions