| From | Andy Lutomirski <> | Subject | [PATCH v2 1/6] x86-64: Pad vDSO to a page boundary | Date | Wed, 3 Aug 2011 09:31:49 -0400 |
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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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