From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta-64-228.siemens.flowmailer.net (mta-64-228.siemens.flowmailer.net [185.136.64.228]) (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 D8E57275846 for ; Fri, 15 Aug 2025 19:22:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.136.64.228 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755285776; cv=none; b=b8jHtnZEysZkLxOc3HUTFGV3L7ag5WJboe3knXzNZSNQTsj8dWx3MxPx/wsPt1Q3BxSPJ8MNNBlt0pdZR2qWr6gPjzpAPdkAbu7zFUmgF05ZPkHILpFk3e1wa1LSyZtVAvn6Ak9GwIht5fSiaBJ6DiYV9OBR39Vfts9Ss0F1aZs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755285776; c=relaxed/simple; bh=+zChAHpfi3lHjY4gO3zWsfDescL+7k7+vqAaN7hvtFc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=h9S8gTnGsM9NKHwVXh/NdNlz5/EJN9soRPPDzE/cD3S100vULbFrYwWWbTQZrBZ1c0TwHrpArUTglxKJhPfWJJZolKFzMPIaWLk1/A4FS4tbFFBbF0TVThqxfWv738XHmGsFnefB9dFj12KjkSr0x9whU0XWk0DPta4L1rxNlxk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com; spf=pass smtp.mailfrom=rts-flowmailer.siemens.com; dkim=pass (2048-bit key) header.d=siemens.com header.i=jan.kiszka@siemens.com header.b=d9Itf7ek; arc=none smtp.client-ip=185.136.64.228 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rts-flowmailer.siemens.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=siemens.com header.i=jan.kiszka@siemens.com header.b="d9Itf7ek" Received: by mta-64-228.siemens.flowmailer.net with ESMTPSA id 202508151912426e551a173ee1c2fce6 for ; Fri, 15 Aug 2025 21:12:42 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm2; d=siemens.com; i=jan.kiszka@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc; bh=USxneUXUzwvy4ONZPxHVb3S2bzpXkI+fylWBF3uXSu0=; b=d9Itf7ek6ywE5gLyhu19HYz7POAjVg0c5DgpH5ZK2Rgyyto70aGPqOvdZQuQgjT48aIwh+ 4FLWgMsQmwduOfWt/4efI5/sRW4aDoGjSoOj+HmSYyXE4K3jQj1/dc0Iv9qPvTTIvEi4Kxsb VHz5Mdg9tMr27JTpulCrmHNljPm1jzJ1lxZkA9FyvOmGqwLDlwM3y2VHSsnEDZsUEy3MAfC+ beokb1IzJHTndjI5WbpXD3SEbfmaNpBcKhAqA55UiDPa15xRUIiyB7nOsW5LOgJkNTBpUO4o MvfExDCCo+4eRdxMSo8kDbF9VD/WyFF19OMyBbKtgAcJn80/NMjJerTg==; From: Jan Kiszka To: Ard Biesheuvel , Masahisa Kojima , Ilias Apalodimas Cc: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, Sumit Garg , Jens Wiklander Subject: [PATCH 0/3] efi: stmm: Fix for incorrect buffer allocation and cleanups Date: Fri, 15 Aug 2025 21:12:38 +0200 Message-ID: Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-294854:519-21489:flowmailer One critical fix for the EFI StMM driver and two smaller cleanups. I'm carefully optimistic that we will get better test coverage in the future: I have a working RPMB model for QEMU, and this is where the crash was found now and debugged in. Jan Jan Kiszka (3): efi: stmm: Fix incorrect buffer allocation method efi: stmm: Use EFI return code of setup_mm_hdr efi: stmm: Drop unneeded null pointer check drivers/firmware/efi/stmm/tee_stmm_efi.c | 59 ++++++++++++++---------- 1 file changed, 34 insertions(+), 25 deletions(-) -- 2.43.0