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Received: from [50.53.2.24] (helo=[192.168.254.17]) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1syDCs-00000002jZk-3lIX; Tue, 08 Oct 2024 16:37:08 +0000 Message-ID: <5e1ef8a0-f063-4166-9d93-cf047cdd2792@infradead.org> Date: Tue, 8 Oct 2024 09:37:00 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mseal.rst additional fix To: jeffxu@chromium.org, akpm@linux-foundation.org, keescook@chromium.org, corbet@lwn.net Cc: jorgelo@chromium.org, groeck@chromium.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, jannh@google.com, sroettger@google.com, pedro.falcato@gmail.com, linux-hardening@vger.kernel.org, willy@infradead.org, gregkh@linuxfoundation.org, torvalds@linux-foundation.org, deraadt@openbsd.org, usama.anjum@collabora.com, surenb@google.com, merimus@google.com, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, enh@google.com References: <20241008040942.1478931-2-jeffxu@chromium.org> <20241008041804.1481453-1-jeffxu@chromium.org> Content-Language: en-US From: Randy Dunlap In-Reply-To: <20241008041804.1481453-1-jeffxu@chromium.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 94621100010 X-Stat-Signature: aesu3w6cjghei7sqgj8poow8h7hmj546 X-Rspam-User: X-HE-Tag: 1728405439-27152 X-HE-Meta: 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 VKRHsdwV 7MGx5uGoCT899npct6UbNnQrwRYR4HSEVeq3JarNEEK87BhsTbqPwBJb+CnPTkPDfnUv2BoUmNu0YeddJBz0JfTyd573JyGzUMakebFVwNilfHnxkdT6i12LsgrepDV7KJf7FnfMh6ak9TlAbGVSsWTwvlftJFx6jEZ4ZUp5Y8L/F3HrmZQWv1BMACDpTLXmnXam/24hk33B4n81JN61pcVk+2kVcPmMQtoRewycjzQlmL1NZfLdgJDDoYwVGa7XXA/tAnC69EtrgeK4b6psHHcRJ9QwdoXBVZIfZXZVUMa1WZxYgMag5O/xFOoYGV3kEAaXqxfqz7zGZp3bGm8qC8SMhewwjYO96gu4agVzqQxFBXQM= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, 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 10/7/24 9:18 PM, jeffxu@chromium.org wrote: > From: Jeff Xu > > Change "overwrite" to overwrites" > > Signed-off-by: Jeff Xu > --- > Documentation/userspace-api/mseal.rst | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Documentation/userspace-api/mseal.rst b/Documentation/userspace-api/mseal.rst > index 41102f74c5e2..54bbcce330ec 100644 > --- a/Documentation/userspace-api/mseal.rst > +++ b/Documentation/userspace-api/mseal.rst > @@ -97,7 +97,7 @@ Blocked mm syscall for sealed mapping > The first set of syscalls to block is munmap, mremap, mmap. They can > either leave an empty space in the address space, therefore allowing > replacement with a new mapping with new set of attributes, or can > - overwrite the existing mapping with another mapping. > + overwrites the existing mapping with another mapping. No, that one is correct as is. > > mprotect and pkey_mprotect are blocked because they changes the > protection bits (RWX) of the mapping. -- ~Randy