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Message-ID: <CA+fCnZfDZvcFHG0anZQQKD_GVOfmcKhCmY82U9X2ZKBJp4oRZQ@mail.gmail.com>
Date: Mon, 5 Feb 2024 22:04:28 +0100
From: Andrey Konovalov <andreyknvl@...il.com>
To: Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc: Andrew Morton <akpm@...ux-foundation.org>, Jonathan Corbet <corbet@....net>,
Andrey Ryabinin <ryabinin.a.a@...il.com>, Marco Elver <elver@...gle.com>, kasan-dev@...glegroups.com,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] kasan: docs: Update descriptions about test file and module
On Mon, Feb 5, 2024 at 7:09 AM Tiezhu Yang <yangtiezhu@...ngson.cn> wrote:
>
> After commit f7e01ab828fd ("kasan: move tests to mm/kasan/"), the test
> file is renamed to mm/kasan/kasan_test.c and the test module is renamed
> to kasan_test.ko, so update the descriptions in the document.
>
> While at it, update the line number and testcase number when the tests
> kmalloc_large_oob_right and kmalloc_double_kzfree failed to sync with
> the current code in mm/kasan/kasan_test.c.
>
> Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
> ---
> Documentation/dev-tools/kasan.rst | 20 +++++++++----------
> .../translations/zh_CN/dev-tools/kasan.rst | 20 +++++++++----------
> .../translations/zh_TW/dev-tools/kasan.rst | 20 +++++++++----------
> 3 files changed, 30 insertions(+), 30 deletions(-)
>
> diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
> index 858c77fe7dc4..a5a6dbe9029f 100644
> --- a/Documentation/dev-tools/kasan.rst
> +++ b/Documentation/dev-tools/kasan.rst
> @@ -169,7 +169,7 @@ Error reports
> A typical KASAN report looks like this::
>
> ==================================================================
> - BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0xa8/0xbc [test_kasan]
> + BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0xa8/0xbc [kasan_test]
> Write of size 1 at addr ffff8801f44ec37b by task insmod/2760
>
> CPU: 1 PID: 2760 Comm: insmod Not tainted 4.19.0-rc3+ #698
> @@ -179,8 +179,8 @@ A typical KASAN report looks like this::
> print_address_description+0x73/0x280
> kasan_report+0x144/0x187
> __asan_report_store1_noabort+0x17/0x20
> - kmalloc_oob_right+0xa8/0xbc [test_kasan]
> - kmalloc_tests_init+0x16/0x700 [test_kasan]
> + kmalloc_oob_right+0xa8/0xbc [kasan_test]
> + kmalloc_tests_init+0x16/0x700 [kasan_test]
> do_one_initcall+0xa5/0x3ae
> do_init_module+0x1b6/0x547
> load_module+0x75df/0x8070
> @@ -200,8 +200,8 @@ A typical KASAN report looks like this::
> save_stack+0x43/0xd0
> kasan_kmalloc+0xa7/0xd0
> kmem_cache_alloc_trace+0xe1/0x1b0
> - kmalloc_oob_right+0x56/0xbc [test_kasan]
> - kmalloc_tests_init+0x16/0x700 [test_kasan]
> + kmalloc_oob_right+0x56/0xbc [kasan_test]
> + kmalloc_tests_init+0x16/0x700 [kasan_test]
> do_one_initcall+0xa5/0x3ae
> do_init_module+0x1b6/0x547
> load_module+0x75df/0x8070
> @@ -510,15 +510,15 @@ When a test passes::
>
> When a test fails due to a failed ``kmalloc``::
>
> - # kmalloc_large_oob_right: ASSERTION FAILED at lib/test_kasan.c:163
> + # kmalloc_large_oob_right: ASSERTION FAILED at mm/kasan/kasan_test.c:245
> Expected ptr is not null, but is
> - not ok 4 - kmalloc_large_oob_right
> + not ok 5 - kmalloc_large_oob_right
>
> When a test fails due to a missing KASAN report::
>
> - # kmalloc_double_kzfree: EXPECTATION FAILED at lib/test_kasan.c:974
> + # kmalloc_double_kzfree: EXPECTATION FAILED at mm/kasan/kasan_test.c:709
> KASAN failure expected in "kfree_sensitive(ptr)", but none occurred
> - not ok 44 - kmalloc_double_kzfree
> + not ok 28 - kmalloc_double_kzfree
>
>
> At the end the cumulative status of all KASAN tests is printed. On success::
> @@ -534,7 +534,7 @@ There are a few ways to run KUnit-compatible KASAN tests.
> 1. Loadable module
>
> With ``CONFIG_KUNIT`` enabled, KASAN-KUnit tests can be built as a loadable
> - module and run by loading ``test_kasan.ko`` with ``insmod`` or ``modprobe``.
> + module and run by loading ``kasan_test.ko`` with ``insmod`` or ``modprobe``.
>
> 2. Built-In
>
> diff --git a/Documentation/translations/zh_CN/dev-tools/kasan.rst b/Documentation/translations/zh_CN/dev-tools/kasan.rst
> index 8fdb20c9665b..2b1e8f74904b 100644
> --- a/Documentation/translations/zh_CN/dev-tools/kasan.rst
> +++ b/Documentation/translations/zh_CN/dev-tools/kasan.rst
> @@ -137,7 +137,7 @@ KASAN受到通用 ``panic_on_warn`` 命令行参数的影响。当它被启用
> 典型的KASAN报告如下所示::
>
> ==================================================================
> - BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0xa8/0xbc [test_kasan]
> + BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0xa8/0xbc [kasan_test]
> Write of size 1 at addr ffff8801f44ec37b by task insmod/2760
>
> CPU: 1 PID: 2760 Comm: insmod Not tainted 4.19.0-rc3+ #698
> @@ -147,8 +147,8 @@ KASAN受到通用 ``panic_on_warn`` 命令行参数的影响。当它被启用
> print_address_description+0x73/0x280
> kasan_report+0x144/0x187
> __asan_report_store1_noabort+0x17/0x20
> - kmalloc_oob_right+0xa8/0xbc [test_kasan]
> - kmalloc_tests_init+0x16/0x700 [test_kasan]
> + kmalloc_oob_right+0xa8/0xbc [kasan_test]
> + kmalloc_tests_init+0x16/0x700 [kasan_test]
> do_one_initcall+0xa5/0x3ae
> do_init_module+0x1b6/0x547
> load_module+0x75df/0x8070
> @@ -168,8 +168,8 @@ KASAN受到通用 ``panic_on_warn`` 命令行参数的影响。当它被启用
> save_stack+0x43/0xd0
> kasan_kmalloc+0xa7/0xd0
> kmem_cache_alloc_trace+0xe1/0x1b0
> - kmalloc_oob_right+0x56/0xbc [test_kasan]
> - kmalloc_tests_init+0x16/0x700 [test_kasan]
> + kmalloc_oob_right+0x56/0xbc [kasan_test]
> + kmalloc_tests_init+0x16/0x700 [kasan_test]
> do_one_initcall+0xa5/0x3ae
> do_init_module+0x1b6/0x547
> load_module+0x75df/0x8070
> @@ -421,15 +421,15 @@ KASAN连接到vmap基础架构以懒清理未使用的影子内存。
>
> 当由于 ``kmalloc`` 失败而导致测试失败时::
>
> - # kmalloc_large_oob_right: ASSERTION FAILED at lib/test_kasan.c:163
> + # kmalloc_large_oob_right: ASSERTION FAILED at mm/kasan/kasan_test.c:245
> Expected ptr is not null, but is
> - not ok 4 - kmalloc_large_oob_right
> + not ok 5 - kmalloc_large_oob_right
>
> 当由于缺少KASAN报告而导致测试失败时::
>
> - # kmalloc_double_kzfree: EXPECTATION FAILED at lib/test_kasan.c:974
> + # kmalloc_double_kzfree: EXPECTATION FAILED at mm/kasan/kasan_test.c:709
> KASAN failure expected in "kfree_sensitive(ptr)", but none occurred
> - not ok 44 - kmalloc_double_kzfree
> + not ok 28 - kmalloc_double_kzfree
>
>
> 最后打印所有KASAN测试的累积状态。成功::
> @@ -445,7 +445,7 @@ KASAN连接到vmap基础架构以懒清理未使用的影子内存。
> 1. 可加载模块
>
> 启用 ``CONFIG_KUNIT`` 后,KASAN-KUnit测试可以构建为可加载模块,并通过使用
> - ``insmod`` 或 ``modprobe`` 加载 ``test_kasan.ko`` 来运行。
> + ``insmod`` 或 ``modprobe`` 加载 ``kasan_test.ko`` 来运行。
>
> 2. 内置
>
> diff --git a/Documentation/translations/zh_TW/dev-tools/kasan.rst b/Documentation/translations/zh_TW/dev-tools/kasan.rst
> index 979eb84bc58f..ed342e67d8ed 100644
> --- a/Documentation/translations/zh_TW/dev-tools/kasan.rst
> +++ b/Documentation/translations/zh_TW/dev-tools/kasan.rst
> @@ -137,7 +137,7 @@ KASAN受到通用 ``panic_on_warn`` 命令行參數的影響。當它被啓用
> 典型的KASAN報告如下所示::
>
> ==================================================================
> - BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0xa8/0xbc [test_kasan]
> + BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0xa8/0xbc [kasan_test]
> Write of size 1 at addr ffff8801f44ec37b by task insmod/2760
>
> CPU: 1 PID: 2760 Comm: insmod Not tainted 4.19.0-rc3+ #698
> @@ -147,8 +147,8 @@ KASAN受到通用 ``panic_on_warn`` 命令行參數的影響。當它被啓用
> print_address_description+0x73/0x280
> kasan_report+0x144/0x187
> __asan_report_store1_noabort+0x17/0x20
> - kmalloc_oob_right+0xa8/0xbc [test_kasan]
> - kmalloc_tests_init+0x16/0x700 [test_kasan]
> + kmalloc_oob_right+0xa8/0xbc [kasan_test]
> + kmalloc_tests_init+0x16/0x700 [kasan_test]
> do_one_initcall+0xa5/0x3ae
> do_init_module+0x1b6/0x547
> load_module+0x75df/0x8070
> @@ -168,8 +168,8 @@ KASAN受到通用 ``panic_on_warn`` 命令行參數的影響。當它被啓用
> save_stack+0x43/0xd0
> kasan_kmalloc+0xa7/0xd0
> kmem_cache_alloc_trace+0xe1/0x1b0
> - kmalloc_oob_right+0x56/0xbc [test_kasan]
> - kmalloc_tests_init+0x16/0x700 [test_kasan]
> + kmalloc_oob_right+0x56/0xbc [kasan_test]
> + kmalloc_tests_init+0x16/0x700 [kasan_test]
> do_one_initcall+0xa5/0x3ae
> do_init_module+0x1b6/0x547
> load_module+0x75df/0x8070
> @@ -421,15 +421,15 @@ KASAN連接到vmap基礎架構以懶清理未使用的影子內存。
>
> 當由於 ``kmalloc`` 失敗而導致測試失敗時::
>
> - # kmalloc_large_oob_right: ASSERTION FAILED at lib/test_kasan.c:163
> + # kmalloc_large_oob_right: ASSERTION FAILED at mm/kasan/kasan_test.c:245
> Expected ptr is not null, but is
> - not ok 4 - kmalloc_large_oob_right
> + not ok 5 - kmalloc_large_oob_right
>
> 當由於缺少KASAN報告而導致測試失敗時::
>
> - # kmalloc_double_kzfree: EXPECTATION FAILED at lib/test_kasan.c:974
> + # kmalloc_double_kzfree: EXPECTATION FAILED at mm/kasan/kasan_test.c:709
> KASAN failure expected in "kfree_sensitive(ptr)", but none occurred
> - not ok 44 - kmalloc_double_kzfree
> + not ok 28 - kmalloc_double_kzfree
>
>
> 最後打印所有KASAN測試的累積狀態。成功::
> @@ -445,7 +445,7 @@ KASAN連接到vmap基礎架構以懶清理未使用的影子內存。
> 1. 可加載模塊
>
> 啓用 ``CONFIG_KUNIT`` 後,KASAN-KUnit測試可以構建爲可加載模塊,並通過使用
> - ``insmod`` 或 ``modprobe`` 加載 ``test_kasan.ko`` 來運行。
> + ``insmod`` 或 ``modprobe`` 加載 ``kasan_test.ko`` 來運行。
>
> 2. 內置
>
> --
> 2.42.0
Reviewed-by: Andrey Konovalov <andreyknvl@...il.com>
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