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AJvYcCXF7/5tcKPKrohYFlvpojLLZ1vjJd7i3gchFyahvgeYhoWrAUIsNe8eMS4EffhFGH0dqoXXfaEBTw==@kvack.org X-Gm-Message-State: AOJu0YwhpMu+6akNhlSCtbKSv7SFqGnForuCs13+LHutv9GWlHoWskF/ 1PEgxmN3XbOPbL+Ry8cBeO4A9x38gvVCXMje/YTD7v+MCZMN2KngxyTizBgLDqSNZC/mbv4Bzmi oUF9z2s2ryW+wx7DngiR/mI1HfuA= 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) 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 X-Rspam-User: X-Rspamd-Queue-Id: 4AA5618000A X-Rspamd-Server: rspam01 X-Stat-Signature: tdbra11sca1mbi6ybtgcxgp3on8iznoz X-HE-Tag: 1728955112-251641 X-HE-Meta: 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 LtO1yRwZ 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000367, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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.