From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm2-f12.google.com (mail-wm2-f12.google.com [74.125.225.140]) (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 0E53E51CF60 for ; Wed, 30 Sep 2026 18:31:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.140 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790793101; cv=none; b=WvPdRQX6woP7pzS+0LctzzTKOXYozQrnAA8YaWXqDkxOklxNQhIQCltNlttNmG16gkuOcDRPUbRCTPopIamy3mtdkZvr3nBBrPvCjlRwjPQSaSWI6nW4Ha+r2oa2Qx2soGRRaVYHfCLLWYVCEP5JDCMUT5T0SVRx0YUaUe8jho8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790793101; c=relaxed/simple; bh=7gYzO9xANaW+GQ0pOVtXr+MstdzOHT2PWbr8BgiB2vs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=FxbT8mONWHjtENzuLlEn42BQrlTTLUOG4SKyYVutoa258wFg+BpeMzOOqY4R5+YpcMaiOIaj+M1M9kO0PAClwSYIwiLrhAv0jTfLPi1gtk+Ydx+QPTbPLf4BZDME2fbQJJVK6aDkffg8o3KeGfkYMgsZzA/OBZQt3EAs4Nzfd1Y= 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=CZ7ttFna; arc=none smtp.client-ip=74.125.225.140 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="CZ7ttFna" Received: by mail-wm2-f12.google.com with SMTP id 5b1f17b1804b1-4a006bb267eso19821925e9.0 for ; Wed, 30 Sep 2026 11:31:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1790793098; x=1791397898; darn=vger.kernel.org; h=content-transfer-encoding:content-type:mime-version:message-id:date :subject:cc:to:from:from:to:cc:subject:date:message-id:reply-to :content-type; bh=yNtRQU0kHw7yMy5S6NDAzNgYXNVQererbxMxfyyIy6M=; b=CZ7ttFna/inPfqqThTqsgy2uKMDdHNpTPIpauKllPX/KbCWzappzPq6bzEJHt+kDkR apVtLRIJ79tWJZF1HbgUyLc3hrj6mYx3LSMHd39KwWXcVckhL5aRkl5gvCWDidjW8wNX g6NaL1lZpOeER7AeAfVhJ6ADMXlztr8SSvAo48gukPZ0vlqsJaHTfMU9vPQtNwCF7H3U MPFw+N7jYFOk+sMvSLogT9xFkQJRXk+nVO16w19mfgDzigp0K9Cgmso6+Ov0la1dng6u QMWeZb2YC8gZ2SoBhCLyBSwlm9iN2M7qwqg16xlbyuihZto8uijBHci398ou+txoW8Ug eCDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790793098; x=1791397898; h=content-transfer-encoding:content-type: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:content-type; bh=yNtRQU0kHw7yMy5S6NDAzNgYXNVQererbxMxfyyIy6M=; b=Z0+vAdUVH7ulgEY/bi+MYLtQsJ8LZ1YIuDxx41Umt2s/tj6jdt6eFmZSUo7NlM/tw9 X2k2uFORN0scNxHZIk9eh/aGk2dHXXBDkEtFtYScaiDy7YOrzBvg/nILZYMZwuGaFwZd eQC0e7ToCRu/pOlbzfOvqirxtvJJKuSS6czRt8HuBciXcehbgSJmddfZs5Nggaqliz9N NoemHFjFZB0e10AV8IPtW4DaJuxuQ4S64P33KkRDt3ka5JVZofKUO6WGi2yRsRa78mtc eXlw3OF1WYgZU2LDzEZALsJhF5Ep9Ucox+IKtUE5vLJum0sj5PM7anmqtZkyN8qNDemh /xtQ== X-Forwarded-Encrypted: i=1; AKwUvBzpgG+OwX0ggNTPF4B+9566vMuAfuYwXhEXE1rIQJyIAVxZZEw3j3U5KIS9U1Vs7gY4VWtSL74NhR7z5/s=@vger.kernel.org X-Gm-Message-State: AFuF++nXhM23FZD+I2XnB23bKo8oOBpKkSjM47U9l38oOx1ANliP3+wr Pniek5nElAO359vdeVWgsP9Xizlhpvj1jAxLwnA4qJ0vLtp90MzBxHRY X-Gm-Gg: AYBFou0DG/qmyUa7kS/4D4PWw08LWS3k49ngIRpNTyihyzXXfYXjS6V+up3l0YFNwCa YWghQOeWSpzr4SB5+hmmfkSNzTc029H6hwhhaB/zBArhLztvtHfKPZorhqN5yHYCsCHUa239Xrj PQPXnmknF2IB/kfpadOf72PxbyHE6bG7L2nBJPrRoFgBlg7eJCeI5TS4+FghtHKb1JeBWzyc7RV a2QOL3ZtLd6uKmucUSNUxsWg4XXLeT1G9eD3oD25ZxilzMONSOQXqI6Ytb2E8bqnR+UbydQlGAV AFCXPOUw2ejbo6dTnSZ2838nFvBRDgiQY8nhTOcIhc10CzDwUQePN+dGANU0EoAbmlCDRpTqix4 5f4xbX5HldFGeaDPqG5Q9ZvojBWxuzRXugG1Dulw8VinrCqGn8biWxhdqiPiIw5S7+SBm0Wisf0 4Q+QgO17efk+Gso+SkaS/riZdEcnwRz5LirEnwFut7uxsgGUkXOBrTaPokYl9DkWNYh5KXxlxVw CcMFdAokqVGXX4FLBkfrL9+kXtmNvwcSSfd2odAGF9cePDDLtsM7es+GHQb1HzE0mMhPeH1ig== X-Received: by 2002:a05:600d:82d0:b0:49e:7c4b:1753 with SMTP id 5b1f17b1804b1-4a01ade8ebdmr47115115e9.12.1790793097909; Wed, 30 Sep 2026 11:31:37 -0700 (PDT) Received: from fedora ([202.47.63.86]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a01f90cd4esm3294525e9.1.2026.09.30.11.31.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Sep 2026 11:31:37 -0700 (PDT) From: Muhammad Bilal To: jorge.lopez2@hp.com, hansg@kernel.org, ilpo.jarvinen@linux.intel.com Cc: andy.shevchenko@gmail.com, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Muhammad Bilal Subject: [PATCH v3 0/3] platform/x86: hp-bioscfg: string buffer and password fixes Date: Wed, 30 Sep 2026 23:30:15 +0500 Message-ID: <20260930183018.49629-1-meatuni001@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix string parsing in hp_get_string_from_buffer() and make over-length password writes fail. Changes in v3: - Drop Suggested-by: Andy Shevchenko from patch 2, tidy its includes and declarations (Andy) - Return -E2BIG instead of -ERANGE in patch 3 (Andy) - Drop a blank line in the declarations in patch 1 (Andy) Changes in v2: - Split the hp_get_string_from_buffer() fix in two (Ilpo) - Drop the lib/string_helpers patch, use @only of string_escape_mem() instead (Andy) - Add patch 3 Muhammad Bilal (3): platform/x86: hp-bioscfg: fix OOB reads in hp_get_string_from_buffer() platform/x86: hp-bioscfg: fix non-ASCII truncation in hp_get_string_from_buffer() platform/x86: hp-bioscfg: return -E2BIG from validate_password_input() drivers/platform/x86/hp/hp-bioscfg/bioscfg.c | 79 ++++++------------- .../x86/hp/hp-bioscfg/passwdobj-attributes.c | 7 +- 2 files changed, 28 insertions(+), 58 deletions(-) -- 2.43.0