[PATCH v2 1/6] x86-64: Pad vDSO to a page boundary
From: Andy Lutomirski <hidden>
Date: 2011-08-03 13:31:49
Subsystem:
the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
Possibly related (same subject, not in this thread)
- 2011-08-03 · [PATCH v2 1/6] x86-64: Pad vDSO to a page boundary · Andy Lutomirski <hidden>
This avoids an information leak to userspace. Signed-off-by: Andy Lutomirski <redacted> --- 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
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1.7.6