The patch titled
Subject: kasan-reset-page-tags-properly-with-sampling-v2
has been added to the -mm mm-unstable branch. Its filename is
kasan-reset-page-tags-properly-with-sampling-v2.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kasan-reset-page-tags-properly-with-sampling-v2.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan-reset-page-tags-properly-with-sampling-v2
Date: Tue, 24 Jan 2023 21:40:09 +0100
update comment
Link: https://lkml.kernel.org/r/5dbd866714b4839069e2d8469ac45b60953db290.1674592780.git.andreyknvl@xxxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Cc: Peter Collingbourne <pcc@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/mm/page_alloc.c~kasan-reset-page-tags-properly-with-sampling-v2
+++ a/mm/page_alloc.c
@@ -2521,7 +2521,8 @@ inline void post_alloc_hook(struct page
} else {
/*
* KASAN decided to exclude this allocation from being
- * unpoisoned due to sampling. Skip poisoning as well.
+ * (un)poisoned due to sampling. Make KASAN skip
+ * poisoning when the allocation is freed.
*/
SetPageSkipKASanPoison(page);
}
_
Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are
kasan-reset-page-tags-properly-with-sampling.patch
kasan-reset-page-tags-properly-with-sampling-v2.patch
