From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) (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 DA0B93D75DB for ; Tue, 21 Apr 2026 13:49:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776779362; cv=none; b=RqQx8U16jITQWfyz7HeM221fsEp8enjyYIlZVLQO9sUzr17hUmVylc6c+3WCyxDUuGfwQTwIpDGed9bJS1Ep315DG2uamftORIZcbWOc8ZD9R/RUQ2kwoXzIpu958J1Z+qtMpviY7I5Mwj9qZIoaUf8u9COAGfZtgLRjXNjSSfM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776779362; c=relaxed/simple; bh=yiFIMgY/m0qQyNUVx7UPEwdEdWU7dYMgU+uY1eQAiUA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=r2KIf8uiyTn/G4rbimBOeV7SHow4mLRbdz1DhDlEqf7b2aTSlj9MCnVtbwXbLrWr+xgPdWZW2yEgCreVHGL3DIh2Rv9dNvonQT4zWE5bMe6MNnY/Wbun8wX6RiHhtBGq9aIjnt0kNQZxrrR7LMJqd/xjbNBpVsgFQLI1p5UNZZo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=JiP6Sg90; arc=none smtp.client-ip=209.85.128.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JiP6Sg90" Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-4893940bb5eso12369075e9.3 for ; Tue, 21 Apr 2026 06:49:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1776779358; x=1777384158; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=0jsaSD6s1cWFaT5D2OjSz63ST/7VdtfKF1kM7/LQPcQ=; b=JiP6Sg90SCF6zCQTdKM40Lb4Sr5AkhgrvxahP56beDyNo4WRoYzRthes4OM778QvTF lbxQAi2rRgWgiSIV3A0de3dRi7xVj46ZGqk0DT/fq71z1zjpzVGPw2HHtGteKlJWYmSR yixY/1evU72ft/QlGXjlXd6nhoz1drdoFAaIUl1YPD4acN2/bYS9pZR/+xPVi+ccTPUH xoY5WC4CtZ8+yTGbwrdhxeXDK6f69sy8cPnLw6XR+6zTSqV3As+38IzYt3vt/Err8C5R Uk0RaOYcBrMsdPeWWeLK4A6NcyL7QKCgu9HkK/FB4vMbby0v8zIoHobQHJeLdJXFL/3u obKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776779358; x=1777384158; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=0jsaSD6s1cWFaT5D2OjSz63ST/7VdtfKF1kM7/LQPcQ=; b=HOGkjbulTxYu2cNG3a3/xkoYQ823tNGOJUh4wIVhmulSXCUOliBJX0Qe6sUlvPorMx 15tN9RNx3qhmJvNUeV5aBuueMhRBj+4ylQFh5H0nSzM8LhG2uaU9uuYnGuHgHhEZ5vq2 trJar9j0k604BztPcTpXOPM6TrRv+QYMJpnSe4lQ1RSvYmmYvXkH83kuzJNlblAvIjN4 BaZxsCQcsSylraVCOoFmL3gRoWgcKcg4fLxW9fA5HLr1l6wZubQ+kp8BWWTaxN3FZmqW 9GR2sa8E+4ZMUpqHfwsrEiTe0P4oG4D059io0VkyNzofGGBlAVo+FlGH3uES4Y5xpJ1l thmw== X-Forwarded-Encrypted: i=1; AFNElJ+hecY2z0SBshVD8rssz6xH8udwmbYTN9bQAWNOhZ1sJZQQwAQLsns7xYpK7PbJiz6D4eFNK/0hhS1tinw=@vger.kernel.org X-Gm-Message-State: AOJu0YyMlighqLcJVaO1xErL7hLOb0ADxttKJEenWqmQLf2/yZIFjWRx FXQA3Mvcd2Rt2Huj4XgFwEMNYYBbSLlT8Zadb+IZ18v3EWaTEEbfZ1U= X-Gm-Gg: AeBDietJsdMxMajxGbYXjqXOoh7/UIb73cTp3gCmdJga/I7KMKoDk/8RYKNZ0Gh2TlJ Pd8XmubKLXZDzXc0GlrhgZMDuXb3MJDAVTIEdj0IAnakXRwqPeT5aVIz2hk3AGukTE3khg1+jPo vdyZirjSsbrP+IAOscLN9WfTmuW2y+Lrsz32Z+yFFjGvQFBkj2Ik0Hvcg4YNeeGxr+TPckaqotS Hkxf6BoRgHsD+P5tWTGhTRxbGj7xKQSVP2tv0CSWq3X9IynT5xK4slZOqHHFemFYYz5aeAeFJFY vnyBGGrrJAX8u46UUo1zPnMPLe2+FukZYEovPYn8lmMT/LDgNb2E7G46ygOs3P4D4qI1gK0L1SB /uCX7QUX+sEoYmKuxclCHURbDNKZU0O1QfieW/1BBN2tC3n3J3hHqf8YLtkeuCrS6h5w8/ZBl7A 0AyxA= X-Received: by 2002:a05:600c:8588:b0:489:2005:b36e with SMTP id 5b1f17b1804b1-4892005b4e9mr68436925e9.19.1776779358001; Tue, 21 Apr 2026 06:49:18 -0700 (PDT) Received: from debian.. ([2001:41d0:303:db6b::]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488fb7a06f3sm134028065e9.22.2026.04.21.06.49.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Apr 2026 06:49:17 -0700 (PDT) From: Tristan Madani To: Johannes Berg Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Tristan Madani Subject: [PATCH v3 0/5] wifi: rsi: firmware trust boundary hardening Date: Tue, 21 Apr 2026 13:49:11 +0000 Message-ID: <20260421134916.317971-1-tristmd@gmail.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Tristan Madani This series adds missing bounds checks for firmware-controlled fields in the RSI 91x driver (rsi_91x_main.c, rsi_91x_core.c, rsi_91x_mgmt.c). Each patch addresses a specific field that the firmware can set to an out-of-range value, causing OOB reads or infinite loops in the host driver. Changes in v3: - Regenerated from wireless-next with proper git format-patch to produce valid index hashes and clean diffs (v2 had post-processed index lines that prevented git-am application). Changes in v2: - Clarify firmware trust model in commit messages. Tristan Madani (5): wifi: rsi: fix integer underflow from firmware extended_desc in rsi_prepare_skb() wifi: rsi: fix OOB read from firmware-claimed length exceeding actual frame size wifi: rsi: fix OOB read from firmware pad_bytes in management RX path wifi: rsi: fix infinite loop when firmware sends zero-length packet wifi: rsi: fix OOB read from firmware offset field in SDIO RX path drivers/net/wireless/rsi/rsi_91x_main.c | 20 ++++++++++++++++++++ drivers/net/wireless/rsi/rsi_91x_mgmt.c | 6 ++++++ 2 files changed, 26 insertions(+) -- 2.47.3