From patchwork Thu Jul 11 17:11:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kees Cook X-Patchwork-Id: 13730894 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 28AAC15445D; Thu, 11 Jul 2024 17:11:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720717875; cv=none; b=tlX6VD4PGIeDypzuG2qdNIzlqGrIGzj54DRjyVpxaNGdfNqHllQ6atY0yj2Mx9numz/rPIxx2BAyIPY1wMkqV4j2RqOfavCqIyXgwT0QSUbQb/2BNEmiNQknD4dPZaisWSjmV9sGDkxpsR8+f6B/pRJtsJvv1atjgmiYOUSecB4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720717875; c=relaxed/simple; bh=Kn7lxeI0ZZmou2Kjl6lW7oTqn17kXtcuO8fEU7YJnX8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=emGFiswzKeLJzGdx88quIUJXbUS+8V6lqEMkqvCeGfLmBPbrJ6fHSeqy+V1T+vc630QX/KJAmMK06nBKOM+EDb05/ZCEzV2MDWdQ8YETu5wMmbEASA4Kl09GREH5t3kvJYqsQA8F9sUf8gjVZt+GF9PN6zXQBUUAK8464XGPaFM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=X2qID9v2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="X2qID9v2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B75B7C116B1; Thu, 11 Jul 2024 17:11:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720717874; bh=Kn7lxeI0ZZmou2Kjl6lW7oTqn17kXtcuO8fEU7YJnX8=; h=From:To:Cc:Subject:Date:From; b=X2qID9v2iGUa6J6fQOPYtb8isZzxAFu2mKteBPtGpmJI0W6UWj/RpNN1cI81v6JnZ Q2LGbHVJ0CqW4+8jzZLM4mauGiCBE4yhwAJjNHPayBh2WYAlXxacZ6Sgm7uPZgOvjY eB1LA3XprE/7CJ3eU/OJ2DJ+QTIH8bYu3FXWIehQbFurLbHcchdEVYqeAu32z9FiPR gzIcgYzHYlirih7V42I/zAp78DxodmV2SJ94mbV1XQro3Vl9yvsLDUgZscp0h7Fg/4 o+wBmexwjN6nLtCJyWubDFwPpy0oSq0FrFDFLfGdoFpHIWCtzoh8ky6ATBW5vhq+oV 5GRm+SHIQSfNQ== From: Kees Cook To: Ard Biesheuvel Cc: Kees Cook , "Kirill A. Shutemov" , "Borislav Petkov (AMD)" , Baskov Evgeniy , Ingo Molnar , Radek Podgorny , linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-hardening@vger.kernel.org Subject: [PATCH v2 0/2] efi: Replace efi_memory_attributes_table_t 0-sized array with flexible array Date: Thu, 11 Jul 2024 10:11:11 -0700 Message-Id: <20240711170727.it.194-kees@kernel.org> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=952; i=kees@kernel.org; h=from:subject:message-id; bh=Kn7lxeI0ZZmou2Kjl6lW7oTqn17kXtcuO8fEU7YJnX8=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBmkBIwsYZ0zG0JibHl9qyLiouKR3mNODyxCguP3 gI4a89/+02JAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZpASMAAKCRCJcvTf3G3A Jo2lD/9O8MQELlRwkRlVSXbtF3NnIsiQQ+S4CmKbEzBu3JN5Fx8tU7+U/QwJGCKEoKGgYZvDKiJ nnaccIGjzY1wPtyr6JU1fobWLrjnf7n7gl1HRsokrVGqSpI+ri+AgZGobis6u/qEZyt46hf3AuE kVo/t2+rvlJ/6rTB2j5cMFBViJ2Sb9wWd6fEoIqwP5k9LamxZl5Q6hijR7AALeWbX1I0s9bNg5w SGi6cnLHAswJVxYHEGIJ5g4OZ2mc72746OEUDptQVN2Y3HvOD1ybouUwTg9OM8ny+HxlnB6ZevL 40uR5lRrPPBkHFh1FW61T4J3xYRKJjOqF+6rd32i0notRxL4E75v6XO+Q1iFuQkXqHb3G6hwevG Gyl680KrtIKWAxknH+nB4ukZPFA6KhBeKYvHGRGNZsQa8rNvunYqRCI9tsCvA4APkk72oOhoVAq 8o9OxCbp9f4AA6T8ce7lNT2wHMBvSsK8n+R6GhZcKop7jL4ywM6vyCV+A9LNj5FnlbHNVvdsgof XlGkID+PhTvk3tvSeFyxJ1Z+AAYL9IhWTD8vJtOCxki/BInAkcmJqjCkARhvnEzzZGtmAMG9hgf wm9KyjWzHJmQLaWZKS0372zEHQvG4nJVyP+lRN/xro+JAVQ7ux50PJrP+EqVEvbDii7iJLdmhdm 9o/RI2rFD3H9KG w== X-Developer-Key: i=kees@kernel.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Hi, Update efi_memory_attributes_table_t to use a proper flexible array. Renames efi_early_memdesc_ptr() to efi_memdesc_ptr() so it more accurately reflects its usage. Thanks! -Kees v2: - rename efi_early_memdesc_ptr() to efi_memdesc_ptr() - add comment about reading efi_memdesc_ptr() to efi_memory_attributes_table_t v1: https://lore.kernel.org/lkml/20240710225538.work.224-kees@kernel.org/ Kees Cook (2): efi: Rename efi_early_memdesc_ptr() to efi_memdesc_ptr() efi: Replace efi_memory_attributes_table_t 0-sized array with flexible array drivers/firmware/efi/libstub/relocate.c | 2 +- drivers/firmware/efi/libstub/unaccepted_memory.c | 2 +- drivers/firmware/efi/libstub/x86-stub.c | 2 +- drivers/firmware/efi/memattr.c | 2 +- include/linux/efi.h | 10 +++++++--- 5 files changed, 11 insertions(+), 7 deletions(-)