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[34.125.53.210]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a802dcd97bsm26088195ad.35.2026.01.23.10.15.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Jan 2026 10:15:27 -0800 (PST) Date: Fri, 23 Jan 2026 18:15:23 +0000 From: Carlos Llamas To: Alice Ryhl Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] rust_binder: add additional alignment checks Message-ID: References: <20260123-binder-alignment-more-checks-v1-1-7e1cea77411d@google.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260123-binder-alignment-more-checks-v1-1-7e1cea77411d@google.com> On Fri, Jan 23, 2026 at 04:23:56PM +0000, Alice Ryhl wrote: > This adds some alignment checks to match C Binder more closely. This > causes the driver to reject more transactions. I don't think any of the > transactions in question are harmful, but it's still a bug because it's > the wrong uapi to accept them. > > The cases where usize is changed for u64, it will affect only 32-bit > kernels. > > Cc: stable@vger.kernel.org > Fixes: eafedbc7c050 ("rust_binder: add Rust Binder driver") > Signed-off-by: Alice Ryhl > --- Acked-by: Carlos Llamas