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AJvYcCVRdhWmuE6Jop+6yU+dUxsl+pp9eboRJ46kWjgN++HFTSIQpnQejdTP8GpqXnF9MSPsM7RcTtP946k=@vger.kernel.org, AJvYcCXBPqBBxIOXPgvTZSucnSwddCWhyHzfGX0zaGA7rm6gUoZ3Ebes7SFv3mdPdG93W0WFUbDT/+qclNrH@vger.kernel.org, AJvYcCXVl4+wE2z2Lzzj9nkH3Gig5mrUkmOPYV1R8YUZpgdKEdqr7KiDiBxQEddp4evyLrCoKEQ4U18U+ZEsjpyX@vger.kernel.org X-Gm-Message-State: AOJu0Yz+V3dteyANDtso1uK6VfxE5ne9RBlqjoHug52xboUiB9MX5aFs m8f9EZgqmwgjRZGS74M4Do3xnqD9shK9Nin/Z31XexM5Z2GiNbQYnovTrIyDwcCo93GbnmHkhZ6 cFHSgFpkN4KCVL6UmIXMJypKIylk= X-Google-Smtp-Source: AGHT+IFtf+x855A/MZb6mMCgpyufRS4x7cJapnTn+jP4Vzfg2f1CrWh7r7FOxPwBA+jr7T5wHmBHsDAzKLxh7gY5SMA= X-Received: by 2002:a05:6000:459f:b0:37d:4eeb:7366 with SMTP id ffacd0b85a97d-37d5ff27c30mr7704415f8f.4.1728955117170; Mon, 14 Oct 2024 18:18:37 -0700 (PDT) Precedence: bulk X-Mailing-List: workflows@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20241014025701.3096253-1-snovitoll@gmail.com> <20241014025701.3096253-3-snovitoll@gmail.com> <20241014161042.885cf17fca7850b5bbf2f8e5@linux-foundation.org> In-Reply-To: <20241014161042.885cf17fca7850b5bbf2f8e5@linux-foundation.org> From: Andrey Konovalov Date: Tue, 15 Oct 2024 03:18:26 +0200 Message-ID: Subject: Re: [PATCH RESEND v3 2/3] kasan: migrate copy_user_test to kunit To: Andrew Morton , Sabyrzhan Tasbolatov 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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Oct 15, 2024 at 1:10=E2=80=AFAM Andrew Morton wrote: > > On Mon, 14 Oct 2024 07:57:00 +0500 Sabyrzhan Tasbolatov wrote: > > > Migrate the copy_user_test to the KUnit framework to verify out-of-boun= d > > 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_obje= ct_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.