From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter =?utf-8?q?M=C3=BCller?= <peter.mueller@ipfire.org>
To: development@lists.ipfire.org
Subject: [PATCH] kernel: enable page poisoning on x86_64
Date: Tue, 14 Apr 2020 16:32:47 +0200
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This is already active on i586 and prevents information leaks from freed
data.

Cc: Arne Fitzenreiter <arne.fitzenreiter(a)ipfire.org>
Signed-off-by: Peter M=C3=BCller <peter.mueller(a)ipfire.org>
---
 config/kernel/kernel.config.x86_64-ipfire | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/config/kernel/kernel.config.x86_64-ipfire b/config/kernel/kernel=
.config.x86_64-ipfire
index b16d13504..f6819859d 100644
--- a/config/kernel/kernel.config.x86_64-ipfire
+++ b/config/kernel/kernel.config.x86_64-ipfire
@@ -6387,7 +6387,9 @@ CONFIG_DEBUG_KERNEL=3Dy
 #
 # CONFIG_PAGE_EXTENSION is not set
 # CONFIG_DEBUG_PAGEALLOC is not set
-# CONFIG_PAGE_POISONING is not set
+CONFIG_PAGE_POISONING=3Dy
+# CONFIG_PAGE_POISONING_NO_SANITY is not set
+CONFIG_PAGE_POISONING_ZERO=3Dy
 # CONFIG_DEBUG_PAGE_REF is not set
 # CONFIG_DEBUG_RODATA_TEST is not set
 # CONFIG_DEBUG_OBJECTS is not set
--=20
2.16.4

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