From: Andrey Konovalov <andreyknvl@google.com> To: Marco Elver <elver@google.com> Cc: Catalin Marinas <catalin.marinas@arm.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Dmitry Vyukov <dvyukov@google.com>, Alexander Potapenko <glider@google.com>, Andrew Morton <akpm@linux-foundation.org>, Will Deacon <will.deacon@arm.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Evgenii Stepanov <eugenis@google.com>, Branislav Rankov <Branislav.Rankov@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, kasan-dev <kasan-dev@googlegroups.com>, Linux ARM <linux-arm-kernel@lists.infradead.org>, Linux Memory Management List <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org> Subject: Re: [PATCH 04/11] kasan: add match-all tag tests Date: Tue, 12 Jan 2021 19:11:10 +0100 [thread overview] Message-ID: <CAAeHK+xW+4m140OKa4QG_x1Y-74xnMoxhzpSRszUdm9ZyAkMbA@mail.gmail.com> (raw) In-Reply-To: <X/2hboi2Tp87UZFZ@elver.google.com> On Tue, Jan 12, 2021 at 2:17 PM Marco Elver <elver@google.com> wrote: > > On Tue, Jan 05, 2021 at 07:27PM +0100, Andrey Konovalov wrote: > > Add 3 new tests for tag-based KASAN modes: > > > > 1. Check that match-all pointer tag is not assigned randomly. > > 2. Check that 0xff works as a match-all pointer tag. > > 3. Check that there are no match-all memory tags. > > > > Note, that test #3 causes a significant number (255) of KASAN reports > > to be printed during execution for the SW_TAGS mode. > > > > Signed-off-by: Andrey Konovalov <andreyknvl@google.com> > > Link: https://linux-review.googlesource.com/id/I78f1375efafa162b37f3abcb2c5bc2f3955dfd8e > > --- > > lib/test_kasan.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++++ > > mm/kasan/kasan.h | 6 ++++ > > 2 files changed, 99 insertions(+) > > > > diff --git a/lib/test_kasan.c b/lib/test_kasan.c > > index 46e578c8e842..f1eda0bcc780 100644 > > --- a/lib/test_kasan.c > > +++ b/lib/test_kasan.c > > @@ -13,6 +13,7 @@ > > #include <linux/mman.h> > > #include <linux/module.h> > > #include <linux/printk.h> > > +#include <linux/random.h> > > #include <linux/slab.h> > > #include <linux/string.h> > > #include <linux/uaccess.h> > > @@ -790,6 +791,95 @@ static void vmalloc_oob(struct kunit *test) > > vfree(area); > > } > > > > +/* > > + * Check that match-all pointer tag is not assigned randomly for > > + * tag-based modes. > > + */ > > +static void match_all_not_assigned(struct kunit *test) > > +{ > > + char *ptr; > > + struct page *pages; > > + int i, size, order; > > + > > + for (i = 0; i < 256; i++) { > > + size = get_random_int() % KMALLOC_MAX_SIZE; > > size appears to be unused? Indeed, will fix in v2, thanks! > > > + ptr = kmalloc(128, GFP_KERNEL); > > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr); > > + KUNIT_EXPECT_NE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL); > > + kfree(ptr); > > + } > > + > > + for (i = 0; i < 256; i++) { > > + order = get_random_int() % 4; > > + pages = alloc_pages(GFP_KERNEL, order); > > + ptr = page_address(pages); > > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr); > > + KUNIT_EXPECT_NE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL); > > + free_pages((unsigned long)ptr, order); > > + } > > +} > > + > > +/* Check that 0xff works as a match-all pointer tag for tag-based modes. */ > > +static void match_all_ptr_tag(struct kunit *test) > > +{ > > + char *ptr; > > + u8 tag; > > + > > + if (IS_ENABLED(CONFIG_KASAN_GENERIC)) { > > + kunit_info(test, "skipping, CONFIG_KASAN_SW/HW_TAGS required"); > > + return; > > + } > > + > > + ptr = kmalloc(128, GFP_KERNEL); > > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr); > > + > > + /* Backup the assigned tag. */ > > + tag = get_tag(ptr); > > + KUNIT_EXPECT_NE(test, tag, (u8)KASAN_TAG_KERNEL); > > + > > + /* Reset the tag to 0xff.*/ > > + ptr = set_tag(ptr, KASAN_TAG_KERNEL); > > + > > + /* This access shouldn't trigger a KASAN report. */ > > + *ptr = 0; > > + > > + /* Recover the pointer tag and free. */ > > + ptr = set_tag(ptr, tag); > > + kfree(ptr); > > +} > > + > > +/* Check that there are no match-all memory tags for tag-based modes. */ > > +static void match_all_mem_tag(struct kunit *test) > > +{ > > + char *ptr; > > + int tag; > > + > > + if (IS_ENABLED(CONFIG_KASAN_GENERIC)) { > > + kunit_info(test, "skipping, CONFIG_KASAN_SW/HW_TAGS required"); > > + return; > > + } > > + > > + ptr = kmalloc(128, GFP_KERNEL); > > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr); > > + KUNIT_EXPECT_NE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL); > > + > > + /* For each possible tag value not matching the pointer tag. */ > > + for (tag = KASAN_TAG_MIN; tag <= KASAN_TAG_KERNEL; tag++) { > > + if (tag == get_tag(ptr)) > > + continue; > > + > > + /* Mark the first memory granule with the chosen memory tag. */ > > + kasan_poison(ptr, KASAN_GRANULE_SIZE, (u8)tag); > > + > > + /* This access must cause a KASAN report. */ > > + KUNIT_EXPECT_KASAN_FAIL(test, *ptr = 0); > > + } > > + > > + /* Recover the memory tag and free. */ > > + kasan_poison(ptr, KASAN_GRANULE_SIZE, get_tag(ptr)); > > + kfree(ptr); > > +} > > + > > static struct kunit_case kasan_kunit_test_cases[] = { > > KUNIT_CASE(kmalloc_oob_right), > > KUNIT_CASE(kmalloc_oob_left), > > @@ -829,6 +919,9 @@ static struct kunit_case kasan_kunit_test_cases[] = { > > KUNIT_CASE(kasan_bitops_tags), > > KUNIT_CASE(kmalloc_double_kzfree), > > KUNIT_CASE(vmalloc_oob), > > + KUNIT_CASE(match_all_not_assigned), > > + KUNIT_CASE(match_all_ptr_tag), > > + KUNIT_CASE(match_all_mem_tag), > > {} > > }; > > > > diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h > > index 3b38baddec47..c3fb9bf241d3 100644 > > --- a/mm/kasan/kasan.h > > +++ b/mm/kasan/kasan.h > > @@ -36,6 +36,12 @@ extern bool kasan_flag_panic __ro_after_init; > > #define KASAN_TAG_INVALID 0xFE /* inaccessible memory tag */ > > #define KASAN_TAG_MAX 0xFD /* maximum value for random tags */ > > > > +#ifdef CONFIG_KASAN_HW_TAGS > > +#define KASAN_TAG_MIN 0xF0 /* mimimum value for random tags */ > > +#else > > +#define KASAN_TAG_MIN 0x00 /* mimimum value for random tags */ > > +#endif > > + > > #ifdef CONFIG_KASAN_GENERIC > > #define KASAN_FREE_PAGE 0xFF /* page was freed */ > > #define KASAN_PAGE_REDZONE 0xFE /* redzone for kmalloc_large allocations */ > > -- > > 2.29.2.729.g45daf8777d-goog > >
WARNING: multiple messages have this Message-ID (diff)
From: Andrey Konovalov <andreyknvl@google.com> To: Marco Elver <elver@google.com> Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>, Branislav Rankov <Branislav.Rankov@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Will Deacon <will.deacon@arm.com>, LKML <linux-kernel@vger.kernel.org>, kasan-dev <kasan-dev@googlegroups.com>, Linux Memory Management List <linux-mm@kvack.org>, Alexander Potapenko <glider@google.com>, Evgenii Stepanov <eugenis@google.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Andrew Morton <akpm@linux-foundation.org>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Dmitry Vyukov <dvyukov@google.com> Subject: Re: [PATCH 04/11] kasan: add match-all tag tests Date: Tue, 12 Jan 2021 19:11:10 +0100 [thread overview] Message-ID: <CAAeHK+xW+4m140OKa4QG_x1Y-74xnMoxhzpSRszUdm9ZyAkMbA@mail.gmail.com> (raw) In-Reply-To: <X/2hboi2Tp87UZFZ@elver.google.com> On Tue, Jan 12, 2021 at 2:17 PM Marco Elver <elver@google.com> wrote: > > On Tue, Jan 05, 2021 at 07:27PM +0100, Andrey Konovalov wrote: > > Add 3 new tests for tag-based KASAN modes: > > > > 1. Check that match-all pointer tag is not assigned randomly. > > 2. Check that 0xff works as a match-all pointer tag. > > 3. Check that there are no match-all memory tags. > > > > Note, that test #3 causes a significant number (255) of KASAN reports > > to be printed during execution for the SW_TAGS mode. > > > > Signed-off-by: Andrey Konovalov <andreyknvl@google.com> > > Link: https://linux-review.googlesource.com/id/I78f1375efafa162b37f3abcb2c5bc2f3955dfd8e > > --- > > lib/test_kasan.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++++ > > mm/kasan/kasan.h | 6 ++++ > > 2 files changed, 99 insertions(+) > > > > diff --git a/lib/test_kasan.c b/lib/test_kasan.c > > index 46e578c8e842..f1eda0bcc780 100644 > > --- a/lib/test_kasan.c > > +++ b/lib/test_kasan.c > > @@ -13,6 +13,7 @@ > > #include <linux/mman.h> > > #include <linux/module.h> > > #include <linux/printk.h> > > +#include <linux/random.h> > > #include <linux/slab.h> > > #include <linux/string.h> > > #include <linux/uaccess.h> > > @@ -790,6 +791,95 @@ static void vmalloc_oob(struct kunit *test) > > vfree(area); > > } > > > > +/* > > + * Check that match-all pointer tag is not assigned randomly for > > + * tag-based modes. > > + */ > > +static void match_all_not_assigned(struct kunit *test) > > +{ > > + char *ptr; > > + struct page *pages; > > + int i, size, order; > > + > > + for (i = 0; i < 256; i++) { > > + size = get_random_int() % KMALLOC_MAX_SIZE; > > size appears to be unused? Indeed, will fix in v2, thanks! > > > + ptr = kmalloc(128, GFP_KERNEL); > > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr); > > + KUNIT_EXPECT_NE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL); > > + kfree(ptr); > > + } > > + > > + for (i = 0; i < 256; i++) { > > + order = get_random_int() % 4; > > + pages = alloc_pages(GFP_KERNEL, order); > > + ptr = page_address(pages); > > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr); > > + KUNIT_EXPECT_NE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL); > > + free_pages((unsigned long)ptr, order); > > + } > > +} > > + > > +/* Check that 0xff works as a match-all pointer tag for tag-based modes. */ > > +static void match_all_ptr_tag(struct kunit *test) > > +{ > > + char *ptr; > > + u8 tag; > > + > > + if (IS_ENABLED(CONFIG_KASAN_GENERIC)) { > > + kunit_info(test, "skipping, CONFIG_KASAN_SW/HW_TAGS required"); > > + return; > > + } > > + > > + ptr = kmalloc(128, GFP_KERNEL); > > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr); > > + > > + /* Backup the assigned tag. */ > > + tag = get_tag(ptr); > > + KUNIT_EXPECT_NE(test, tag, (u8)KASAN_TAG_KERNEL); > > + > > + /* Reset the tag to 0xff.*/ > > + ptr = set_tag(ptr, KASAN_TAG_KERNEL); > > + > > + /* This access shouldn't trigger a KASAN report. */ > > + *ptr = 0; > > + > > + /* Recover the pointer tag and free. */ > > + ptr = set_tag(ptr, tag); > > + kfree(ptr); > > +} > > + > > +/* Check that there are no match-all memory tags for tag-based modes. */ > > +static void match_all_mem_tag(struct kunit *test) > > +{ > > + char *ptr; > > + int tag; > > + > > + if (IS_ENABLED(CONFIG_KASAN_GENERIC)) { > > + kunit_info(test, "skipping, CONFIG_KASAN_SW/HW_TAGS required"); > > + return; > > + } > > + > > + ptr = kmalloc(128, GFP_KERNEL); > > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr); > > + KUNIT_EXPECT_NE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL); > > + > > + /* For each possible tag value not matching the pointer tag. */ > > + for (tag = KASAN_TAG_MIN; tag <= KASAN_TAG_KERNEL; tag++) { > > + if (tag == get_tag(ptr)) > > + continue; > > + > > + /* Mark the first memory granule with the chosen memory tag. */ > > + kasan_poison(ptr, KASAN_GRANULE_SIZE, (u8)tag); > > + > > + /* This access must cause a KASAN report. */ > > + KUNIT_EXPECT_KASAN_FAIL(test, *ptr = 0); > > + } > > + > > + /* Recover the memory tag and free. */ > > + kasan_poison(ptr, KASAN_GRANULE_SIZE, get_tag(ptr)); > > + kfree(ptr); > > +} > > + > > static struct kunit_case kasan_kunit_test_cases[] = { > > KUNIT_CASE(kmalloc_oob_right), > > KUNIT_CASE(kmalloc_oob_left), > > @@ -829,6 +919,9 @@ static struct kunit_case kasan_kunit_test_cases[] = { > > KUNIT_CASE(kasan_bitops_tags), > > KUNIT_CASE(kmalloc_double_kzfree), > > KUNIT_CASE(vmalloc_oob), > > + KUNIT_CASE(match_all_not_assigned), > > + KUNIT_CASE(match_all_ptr_tag), > > + KUNIT_CASE(match_all_mem_tag), > > {} > > }; > > > > diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h > > index 3b38baddec47..c3fb9bf241d3 100644 > > --- a/mm/kasan/kasan.h > > +++ b/mm/kasan/kasan.h > > @@ -36,6 +36,12 @@ extern bool kasan_flag_panic __ro_after_init; > > #define KASAN_TAG_INVALID 0xFE /* inaccessible memory tag */ > > #define KASAN_TAG_MAX 0xFD /* maximum value for random tags */ > > > > +#ifdef CONFIG_KASAN_HW_TAGS > > +#define KASAN_TAG_MIN 0xF0 /* mimimum value for random tags */ > > +#else > > +#define KASAN_TAG_MIN 0x00 /* mimimum value for random tags */ > > +#endif > > + > > #ifdef CONFIG_KASAN_GENERIC > > #define KASAN_FREE_PAGE 0xFF /* page was freed */ > > #define KASAN_PAGE_REDZONE 0xFE /* redzone for kmalloc_large allocations */ > > -- > > 2.29.2.729.g45daf8777d-goog > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-01-12 18:14 UTC|newest] Thread overview: 137+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-05 18:27 [PATCH 00/11] kasan: HW_TAGS tests support and fixes Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` [PATCH 01/11] kasan: prefix exported functions with kasan_ Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-12 7:38 ` Alexander Potapenko 2021-01-12 7:38 ` Alexander Potapenko 2021-01-12 7:38 ` Alexander Potapenko 2021-01-12 11:19 ` Marco Elver 2021-01-12 11:19 ` Marco Elver 2021-01-05 18:27 ` [PATCH 02/11] kasan: clarify HW_TAGS impact on TBI Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-12 7:40 ` Alexander Potapenko 2021-01-12 7:40 ` Alexander Potapenko 2021-01-12 7:40 ` Alexander Potapenko 2021-01-12 11:38 ` Marco Elver 2021-01-12 11:38 ` Marco Elver 2021-01-05 18:27 ` [PATCH 03/11] kasan: clean up comments in tests Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-12 7:53 ` Alexander Potapenko 2021-01-12 7:53 ` Alexander Potapenko 2021-01-12 7:53 ` Alexander Potapenko 2021-01-12 17:55 ` Andrey Konovalov 2021-01-12 17:55 ` Andrey Konovalov 2021-01-12 17:55 ` Andrey Konovalov 2021-01-12 13:07 ` Marco Elver 2021-01-12 13:07 ` Marco Elver 2021-01-05 18:27 ` [PATCH 04/11] kasan: add match-all tag tests Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-12 8:04 ` Alexander Potapenko 2021-01-12 8:04 ` Alexander Potapenko 2021-01-12 8:04 ` Alexander Potapenko 2021-01-12 18:10 ` Andrey Konovalov 2021-01-12 18:10 ` Andrey Konovalov 2021-01-12 18:10 ` Andrey Konovalov 2021-01-12 13:17 ` Marco Elver 2021-01-12 13:17 ` Marco Elver 2021-01-12 18:11 ` Andrey Konovalov [this message] 2021-01-12 18:11 ` Andrey Konovalov 2021-01-12 18:11 ` Andrey Konovalov 2021-01-05 18:27 ` [PATCH 05/11] kasan, arm64: allow using KUnit tests with HW_TAGS mode Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-12 19:01 ` Catalin Marinas 2021-01-12 19:01 ` Catalin Marinas 2021-01-15 13:11 ` Andrey Konovalov 2021-01-15 13:11 ` Andrey Konovalov 2021-01-15 13:11 ` Andrey Konovalov 2021-01-15 15:04 ` Vincenzo Frascino 2021-01-15 15:04 ` Vincenzo Frascino 2021-01-05 18:27 ` [PATCH 06/11] kasan: rename CONFIG_TEST_KASAN_MODULE Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-12 8:09 ` Alexander Potapenko 2021-01-12 8:09 ` Alexander Potapenko 2021-01-12 8:09 ` Alexander Potapenko 2021-01-12 18:26 ` Andrey Konovalov 2021-01-12 18:26 ` Andrey Konovalov 2021-01-12 18:26 ` Andrey Konovalov 2021-01-12 13:33 ` Marco Elver 2021-01-12 13:33 ` Marco Elver 2021-01-12 18:28 ` Andrey Konovalov 2021-01-12 18:28 ` Andrey Konovalov 2021-01-12 18:28 ` Andrey Konovalov 2021-01-05 18:27 ` [PATCH 07/11] kasan: add compiler barriers to KUNIT_EXPECT_KASAN_FAIL Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-12 8:18 ` Alexander Potapenko 2021-01-12 8:18 ` Alexander Potapenko 2021-01-12 8:18 ` Alexander Potapenko 2021-01-12 19:50 ` Andrey Konovalov 2021-01-12 19:50 ` Andrey Konovalov 2021-01-12 19:50 ` Andrey Konovalov 2021-01-12 19:57 ` Andrey Konovalov 2021-01-12 19:57 ` Andrey Konovalov 2021-01-12 19:57 ` Andrey Konovalov 2021-01-12 13:34 ` Marco Elver 2021-01-12 13:34 ` Marco Elver 2021-01-05 18:27 ` [PATCH 08/11] kasan: adopt kmalloc_uaf2 test to HW_TAGS mode Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-12 8:25 ` Alexander Potapenko 2021-01-12 8:25 ` Alexander Potapenko 2021-01-12 8:25 ` Alexander Potapenko 2021-01-12 20:04 ` Andrey Konovalov 2021-01-12 20:04 ` Andrey Konovalov 2021-01-12 20:04 ` Andrey Konovalov 2021-01-12 13:39 ` Marco Elver 2021-01-12 13:39 ` Marco Elver 2021-01-12 20:05 ` Andrey Konovalov 2021-01-12 20:05 ` Andrey Konovalov 2021-01-12 20:05 ` Andrey Konovalov 2021-01-05 18:27 ` [PATCH 09/11] kasan: fix memory corruption in kasan_bitops_tags test Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-12 8:30 ` Alexander Potapenko 2021-01-12 8:30 ` Alexander Potapenko 2021-01-12 8:30 ` Alexander Potapenko 2021-01-12 20:06 ` Andrey Konovalov 2021-01-12 20:06 ` Andrey Konovalov 2021-01-12 20:06 ` Andrey Konovalov 2021-01-13 12:30 ` Alexander Potapenko 2021-01-13 12:30 ` Alexander Potapenko 2021-01-13 12:30 ` Alexander Potapenko 2021-01-12 13:55 ` Marco Elver 2021-01-12 13:55 ` Marco Elver 2021-01-05 18:27 ` [PATCH 10/11] kasan: fix bug detection via ksize for HW_TAGS mode Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 21:04 ` kernel test robot 2021-01-05 21:04 ` kernel test robot 2021-01-06 0:09 ` kernel test robot 2021-01-06 0:09 ` kernel test robot 2021-01-07 0:02 ` Andrew Morton 2021-01-07 0:02 ` Andrew Morton 2021-01-07 1:59 ` Andrey Konovalov 2021-01-07 1:59 ` Andrey Konovalov 2021-01-12 14:32 ` Marco Elver 2021-01-12 14:32 ` Marco Elver 2021-01-12 21:16 ` Andrey Konovalov 2021-01-12 21:16 ` Andrey Konovalov 2021-01-12 21:16 ` Andrey Konovalov 2021-01-12 22:54 ` Marco Elver 2021-01-12 22:54 ` Marco Elver 2021-01-12 22:54 ` Marco Elver 2021-01-05 18:27 ` [PATCH 11/11] kasan: add proper page allocator tests Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-05 18:27 ` Andrey Konovalov 2021-01-12 8:57 ` Alexander Potapenko 2021-01-12 8:57 ` Alexander Potapenko 2021-01-12 8:57 ` Alexander Potapenko 2021-01-12 14:34 ` Marco Elver 2021-01-12 14:34 ` Marco Elver
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