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authorKees Cook <keescook@chromium.org>2016-06-23 15:24:05 -0700
committerKees Cook <keescook@chromium.org>2016-07-26 14:43:54 -0700
commited18adc1cdd00a5c55a20fbdaed4804660772281 (patch)
tree652ad77b2d5e9ed24eb4782c2b270c7e7b4fc0c1 /Documentation
parent04385fc5e8fffed84425d909a783c0f0c587d847 (diff)
mm: SLUB hardened usercopy support
Under CONFIG_HARDENED_USERCOPY, this adds object size checking to the SLUB allocator to catch any copies that may span objects. Includes a redzone handling fix discovered by Michael Ellerman. Based on code from PaX and grsecurity. Signed-off-by: Kees Cook <keescook@chromium.org> Tested-by: Michael Ellerman <mpe@ellerman.id.au> Reviwed-by: Laura Abbott <labbott@redhat.com>
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