From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f48.google.com (mail-pj1-f48.google.com [209.85.216.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 560CC2E626 for ; Thu, 18 Jan 2024 19:32:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.48 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705606333; cv=none; b=KWx1wFFvpbKtBzY5SGYUXZuDqb5Aq4LVnu0OiOOz+4AUO6O1jetmhxXOr9Lc4Q9OibC08yH8vBppdmWq4O1rysu2tVGhr7I+h67DbRH7EyKzIr49kIca219+8pQVMavjfBz5CtJrv8XoG2OGl2RxVKT91Dj270KTrUjNZLKKLLM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705606333; c=relaxed/simple; bh=Y8FfsU4oAFfA0PGeoRTocA7rdzQlh4ZD1o7RLLkaJ9c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QOWPORcXrqf2+VD8q+j2mu8X0g+8kM3takjaV4Rd9retrUigRCaliQElTPdmM68YL5tHRtDANq99xyP8+GMcDRAEYXsIgjj0Sah82WTB4qlGR7JLMjRJBf6JCU2GJwFNRGwC1jUlAblG3Xzy4TZACjcmU/3V2JkcqMxIwg9fPKw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=jm8CwJkn; arc=none smtp.client-ip=209.85.216.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="jm8CwJkn" Received: by mail-pj1-f48.google.com with SMTP id 98e67ed59e1d1-29026523507so71007a91.0 for ; Thu, 18 Jan 2024 11:32:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1705606332; x=1706211132; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=IlUOG4jxCYw/W/5RZ3kz4OPHzrvcyjQxPYbulIdLMKE=; b=jm8CwJknje55t5+uQesqm3VO51Zy7C6oIHbkSOVgIs99FIovYX2mCDcwaTdWSrfyeS xC2foMeNRST2RASuSxOZzIefvfiLM/IzCzHRNon2rlup2YrGONzQKCoH3/qU0zibTswT Os+152OerDN7HGqhf2v3fYCzAtzqqDoUAgYqgZweQJSvPnWu+yG6RmIjcSPI7eWN3wIC 8mq8J/Z2xulyi28ep/Z2+0tQ0sAZiC7ZsTAI3Npnz+8jRWtbaEMCOZf8AJdfIAETldGy 7MmXqHsNxLia89i5ov6VDwo8eO0kPKqGrs7QAV9oJWir6eQtS3xWIvRtKgVgp2Qb1YLk 9xzg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705606332; x=1706211132; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=IlUOG4jxCYw/W/5RZ3kz4OPHzrvcyjQxPYbulIdLMKE=; b=bBbGMrzXtE/4mEyRGXW+Z69ZLagSZNC440EwLpE4aSeFMkVcawgc5a/yYqoN50MpJR 1A2tNMcbvDrtiEwo93AM5xTa0c2qOO520kzwZNhl+gA5HTxNIzve0w6hNcASmfX+bkyJ 4uDH6HlMgHinBcUbqfqsw1uPOffMAyR/MjfysDEF3F5BMqEuemqKIX9ELFRdV/K+hk/E G0yHVm2pDg2rW7KvyKPYDYXYgn+8/l0nf7CvfE8Ol/L9ILd5XgCAf5iD3VtUj9nC5OZy YAM2mF4YHPPgFIohpIKMT56jGwDChkDlkXSc9HEoCzg+MQ8HddNL+ZdKBhA6l2xcYGtz 2+Yg== X-Gm-Message-State: AOJu0YwB9MIPdGmD+rMO+vZpOWGuqhjjevQMkpByst5pzfBFX1ssDOE6 ggkf44aztVEuneAGQGEmG+22ocdwnLFMgKYzmMrbSbJ5MZoASAm28SuLMq4Opg== X-Google-Smtp-Source: AGHT+IEfUAGXijOXMlnPK9epyhH/u9FL7c8Jh7wca9Jcvw+EUiy3zWGywAluCHcjkjznUWSH4XteaA== X-Received: by 2002:a17:90b:2285:b0:28d:4fad:21c8 with SMTP id kx5-20020a17090b228500b0028d4fad21c8mr1238664pjb.35.1705606331641; Thu, 18 Jan 2024 11:32:11 -0800 (PST) Received: from google.com (77.62.105.34.bc.googleusercontent.com. [34.105.62.77]) by smtp.gmail.com with ESMTPSA id gw7-20020a17090b0a4700b0029011eb89a8sm2218691pjb.28.2024.01.18.11.32.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jan 2024 11:32:11 -0800 (PST) Date: Thu, 18 Jan 2024 19:32:08 +0000 From: Carlos Llamas To: Greg Kroah-Hartman , Arve =?iso-8859-1?B?SGr4bm5lduVn?= , Todd Kjos , Martijn Coenen , Joel Fernandes , Christian Brauner , Suren Baghdasaryan , Sherry Yang Cc: linux-kernel@vger.kernel.org, kernel-team@android.com, Alice Ryhl , stable@vger.kernel.org Subject: Re: [PATCH v2 04/28] binder: fix async space check for 0-sized buffers Message-ID: References: <20231201172212.1813387-1-cmllamas@google.com> <20231201172212.1813387-5-cmllamas@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: <20231201172212.1813387-5-cmllamas@google.com> On Fri, Dec 01, 2023 at 05:21:33PM +0000, Carlos Llamas wrote: > Move the padding of 0-sized buffers to an earlier stage to account for > this round up during the alloc->free_async_space check. > > Fixes: 74310e06be4d ("android: binder: Move buffer out of area shared with user space") > Reviewed-by: Alice Ryhl > Signed-off-by: Carlos Llamas > --- Sorry, I forgot to Cc: stable@vger.kernel.org. -- Carlos Llamas