From: Andrey Konovalov <andreyknvl@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Sabyrzhan Tasbolatov <snovitoll@gmail.com>
Cc: 2023002089@link.tyut.edu.cn, alexs@kernel.org, corbet@lwn.net,
dvyukov@google.com, elver@google.com, glider@google.com,
kasan-dev@googlegroups.com, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
ryabinin.a.a@gmail.com, siyanteng@loongson.cn,
vincenzo.frascino@arm.com, workflows@vger.kernel.org
Subject: Re: [PATCH RESEND v3 2/3] kasan: migrate copy_user_test to kunit
Date: Tue, 15 Oct 2024 03:18:26 +0200 [thread overview]
Message-ID: <CA+fCnZcwoL3qWhKsmgCCPDeAW0zpKGn=H7F8w8Fmsg+7-Y8p3g@mail.gmail.com> (raw)
In-Reply-To: <20241014161042.885cf17fca7850b5bbf2f8e5@linux-foundation.org>
On Tue, Oct 15, 2024 at 1:10 AM Andrew Morton <akpm@linux-foundation.org> wrote:
>
> On Mon, 14 Oct 2024 07:57:00 +0500 Sabyrzhan Tasbolatov <snovitoll@gmail.com> wrote:
>
> > Migrate the copy_user_test to the KUnit framework to verify out-of-bound
> > detection via KASAN reports in copy_from_user(), copy_to_user() and
> > their static functions.
> >
> > This is the last migrated test in kasan_test_module.c, therefore delete
> > the file.
> >
>
> x86_64 allmodconfig produces:
>
> vmlinux.o: warning: objtool: strncpy_from_user+0x8a: call to __check_object_size() with UACCESS enabled
Too bad. I guess we have to duplicate both kasan_check_write and
check_object_size before both do_strncpy_from_user calls in
strncpy_from_user.
next prev parent reply other threads:[~2024-10-15 1:18 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-11 7:16 [PATCH] " Sabyrzhan Tasbolatov
2024-10-11 9:13 ` Sabyrzhan Tasbolatov
2024-10-12 22:49 ` Andrey Konovalov
2024-10-13 6:33 ` Sabyrzhan Tasbolatov
2024-10-12 22:46 ` Andrey Konovalov
2024-10-13 13:02 ` [PATCH v2 0/3] kasan: migrate the last module test " Sabyrzhan Tasbolatov
2024-10-13 13:02 ` [PATCH v2 1/3] kasan: move checks to do_strncpy_from_user Sabyrzhan Tasbolatov
2024-10-13 16:04 ` Andrey Konovalov
2024-10-13 13:02 ` [PATCH v2 2/3] kasan: migrate copy_user_test to kunit Sabyrzhan Tasbolatov
2024-10-13 16:02 ` Andrey Konovalov
2024-10-13 18:20 ` [PATCH v3 " Sabyrzhan Tasbolatov
2024-10-13 20:25 ` Andrey Konovalov
2024-10-14 2:56 ` [PATCH RESEND v3 0/3] kasan: migrate the last module test " Sabyrzhan Tasbolatov
2024-10-14 2:56 ` [PATCH RESEND v3 1/3] kasan: move checks to do_strncpy_from_user Sabyrzhan Tasbolatov
2024-10-14 2:57 ` [PATCH RESEND v3 2/3] kasan: migrate copy_user_test to kunit Sabyrzhan Tasbolatov
2024-10-14 23:10 ` Andrew Morton
2024-10-15 1:18 ` Andrey Konovalov [this message]
2024-10-15 10:53 ` Sabyrzhan Tasbolatov
2024-10-15 23:16 ` Andrey Konovalov
2024-10-16 13:17 ` [PATCH v4 0/3] kasan: migrate the last module test " Sabyrzhan Tasbolatov
2024-10-16 13:18 ` [PATCH v4 1/3] kasan: move checks to do_strncpy_from_user Sabyrzhan Tasbolatov
2024-10-16 13:18 ` [PATCH v4 2/3] kasan: migrate copy_user_test to kunit Sabyrzhan Tasbolatov
2024-10-16 13:18 ` [PATCH v4 3/3] kasan: delete CONFIG_KASAN_MODULE_TEST Sabyrzhan Tasbolatov
2024-10-14 2:57 ` [PATCH RESEND v3 " Sabyrzhan Tasbolatov
2024-10-13 13:02 ` [PATCH v2 " Sabyrzhan Tasbolatov
2024-10-13 16:03 ` Andrey Konovalov
2024-10-13 18:21 ` [PATCH v3 " Sabyrzhan Tasbolatov
2024-10-13 20:25 ` Andrey Konovalov
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