The patch titled
Subject: kasan: test fix: warn if the UAF could not be detected in kmalloc_uaf2
has been removed from the -mm tree. Its filename was
kasan-test-fix-warn-if-the-uaf-could-not-be-detected-in-kmalloc_uaf2.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Alexander Potapenko <glider@xxxxxxxxxx>
Subject: kasan: test fix: warn if the UAF could not be detected in kmalloc_uaf2
Signed-off-by: Alexander Potapenko <glider@xxxxxxxxxx>
Acked-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Andrey Konovalov <adech.fo@xxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Konstantin Serebryany <kcc@xxxxxxxxxx>
Cc: Dmitry Chernenkov <dmitryc@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/test_kasan.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN lib/test_kasan.c~kasan-test-fix-warn-if-the-uaf-could-not-be-detected-in-kmalloc_uaf2 lib/test_kasan.c
--- a/lib/test_kasan.c~kasan-test-fix-warn-if-the-uaf-could-not-be-detected-in-kmalloc_uaf2
+++ a/lib/test_kasan.c
@@ -294,6 +294,8 @@ static noinline void __init kmalloc_uaf2
}
ptr1[40] = 'x';
+ if (ptr1 == ptr2)
+ pr_err("Could not detect use-after-free: ptr1 == ptr2\n");
kfree(ptr2);
}
_
Patches currently in -mm which might be from glider@xxxxxxxxxx are
mm-kasan-initial-memory-quarantine-implementation.patch
mm-kasan-initial-memory-quarantine-implementation-v8.patch
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