* [merged mm-stable] kmsan-add-memsetxx-tests.patch removed from -mm tree
@ 2023-03-28 23:21 Andrew Morton
0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2023-03-28 23:21 UTC (permalink / raw)
To: mm-commits, penguin-kernel, keescook, geert, elver, deller,
daniel, glider, akpm
The quilt patch titled
Subject: kmsan: add memsetXX tests
has been removed from the -mm tree. Its filename was
kmsan-add-memsetxx-tests.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Alexander Potapenko <glider@google.com>
Subject: kmsan: add memsetXX tests
Date: Fri, 3 Mar 2023 15:14:33 +0100
Add tests ensuring that memset16()/memset32()/memset64() are instrumented
by KMSAN and correctly initialize the memory.
Link: https://lkml.kernel.org/r/20230303141433.3422671-4-glider@google.com
Signed-off-by: Alexander Potapenko <glider@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/kmsan/kmsan_test.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
--- a/mm/kmsan/kmsan_test.c~kmsan-add-memsetxx-tests
+++ a/mm/kmsan/kmsan_test.c
@@ -504,6 +504,25 @@ static void test_memcpy_aligned_to_unali
KUNIT_EXPECT_TRUE(test, report_matches(&expect));
}
+/* Generate test cases for memset16(), memset32(), memset64(). */
+#define DEFINE_TEST_MEMSETXX(size) \
+ static void test_memset##size(struct kunit *test) \
+ { \
+ EXPECTATION_NO_REPORT(expect); \
+ volatile uint##size##_t uninit; \
+ \
+ kunit_info(test, \
+ "memset" #size "() should initialize memory\n"); \
+ DO_NOT_OPTIMIZE(uninit); \
+ memset##size((uint##size##_t *)&uninit, 0, 1); \
+ kmsan_check_memory((void *)&uninit, sizeof(uninit)); \
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect)); \
+ }
+
+DEFINE_TEST_MEMSETXX(16)
+DEFINE_TEST_MEMSETXX(32)
+DEFINE_TEST_MEMSETXX(64)
+
static noinline void fibonacci(int *array, int size, int start)
{
if (start < 2 || (start == size))
@@ -550,6 +569,9 @@ static struct kunit_case kmsan_test_case
KUNIT_CASE(test_memcpy_aligned_to_aligned),
KUNIT_CASE(test_memcpy_aligned_to_unaligned),
KUNIT_CASE(test_memcpy_aligned_to_unaligned2),
+ KUNIT_CASE(test_memset16),
+ KUNIT_CASE(test_memset32),
+ KUNIT_CASE(test_memset64),
KUNIT_CASE(test_long_origin_chain),
{},
};
_
Patches currently in -mm which might be from glider@google.com are
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2023-03-28 23:22 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-03-28 23:21 [merged mm-stable] kmsan-add-memsetxx-tests.patch removed from -mm tree Andrew Morton
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).