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    Subject[PATCH v2 1/6] x86-64: Pad vDSO to a page boundary
    Date
    This avoids an information leak to userspace.

    Signed-off-by: Andy Lutomirski <luto@mit.edu>
    ---
    arch/x86/vdso/vdso.S | 1 +
    1 files changed, 1 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/vdso/vdso.S b/arch/x86/vdso/vdso.S
    index 1b979c1..01f5e3b 100644
    --- a/arch/x86/vdso/vdso.S
    +++ b/arch/x86/vdso/vdso.S
    @@ -9,6 +9,7 @@ __PAGE_ALIGNED_DATA
    vdso_start:
    .incbin "arch/x86/vdso/vdso.so"
    vdso_end:
    + .align PAGE_SIZE /* extra data here leaks to userspace. */

    .previous

    --
    1.7.6


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