From mboxrd@z Thu Jan 1 00:00:00 1970 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 A5D97A94A; Mon, 2 Dec 2024 07:52:38 +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=1733125958; cv=none; b=ayzoPtDH3LaecxS9BUpZnSbDbStVH3E1k4vuQJILs+e1lNqTQOCup7q80PNp/Q0KhuAbWx41LNA2771eECQxpdQtWMaGLXvsq0KCR/IX7SjT9m+/+qqe7um8GcmioujLWPcH2RRDSDIorj/LV1RRrypPRyYM3gxRIqf8o/BjYJc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733125958; c=relaxed/simple; bh=jtwxVxx1nqFej0FNvp1jM/jX+1uGavCLsw17TkpcWTM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jCuTBO+dQ4VZ43afZK+zy7VHDdf2eo6qVgckQ6Wysl27EhjHnLKRX2UYoYlt8TxQRJptX5ZF0Ec9I4tX/Mb6aP+7SZf/hS6gVieWmk2LE5Nj97u3j6SnJ9udY4Zj9MMQZAvf4s+05xSihu9zXg37vmqdCpXqzX1qoaRQnZV1m88= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MKVpUTV3; 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="MKVpUTV3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 854F7C4CED2; Mon, 2 Dec 2024 07:52:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733125958; bh=jtwxVxx1nqFej0FNvp1jM/jX+1uGavCLsw17TkpcWTM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=MKVpUTV39GeFFXNTzPTBtWWBRi9aTQFk87ENFLHLH9FFKabRaRjyqHnvrxzr7y9ly eJCSmnuUhTPhDUb7wcUguq0bmWdso28xjx4pllsTJ++lO3dIC1jlimk2H8FwDnkAiu FkI5xm7ye/07zJHZZeR2Uas2N75fyrGdPHXgblVB5K6hT+y4pDXnZRXo5UMTZl/pUR ye8XZDeNI3U2kzR8yeBqWjgCPUXgMtFzZ1f6FgYwOI95fNlFoERTITusKOoL9ED5UV 3m/uJjXh3jWfPpJ8iBbXyUvZc+xLD2jT0RPegtVOZdzHubOnnxJAr75F8/9TRWjZ1U vYoTwxm7uCUpg== Message-ID: <39f16df2-9f4b-49e9-b004-b0e702d08dad@kernel.org> Date: Mon, 2 Dec 2024 08:52:34 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: TPM/EFI issue [Was: Linux 6.12] To: Jarkko Sakkinen , Linus Torvalds , Linux Kernel Mailing List Cc: =?UTF-8?Q?Peter_H=C3=BCwe?= , Jason Gunthorpe , linux-integrity@vger.kernel.org, Ard Biesheuvel , "linux-efi@vger.kernel.org" References: <9c893c52-e960-4f30-98ce-ba7d873145bb@kernel.org> Content-Language: en-US From: Jiri Slaby Autocrypt: addr=jirislaby@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 30. 11. 24, 3:49, Jarkko Sakkinen wrote: > On Wed Nov 27, 2024 at 8:46 AM EET, Jiri Slaby wrote: >> Cc TPM + EFI guys. >> >> On 17. 11. 24, 23:26, Linus Torvalds wrote: >>> But before the merge window opens, please give this a quick test to >>> make sure we didn't mess anything up. The shortlog below gives you the >>> summary for the last week, and nothing really jumps out at me. A >>> number of last-minute reverts, and some random fairly small fixes >>> fairly spread out in the tree. >> >> Hi, >> >> there is a subtle bug in 6.12 wrt TPM (in TPM, EFI, or perhaps in >> something else): >> https://bugzilla.suse.com/show_bug.cgi?id=1233752 >> >> Our testing (openQA) fails with 6.12: >> https://openqa.opensuse.org/tests/4657304#step/trup_smoke/26 >> >> The last good is with 6.11.7: >> https://openqa.opensuse.org/tests/4648526 >> >> In sum: >> TPM is supposed to provide a key for decrypting the root partitition, >> but fails for some reason. >> >> It's extremely hard (so far) to reproduce outside of openQA (esp. when >> trying custom kernels). Mark "X". >> Most of the 6.12 TPM stuff already ended in (good) 6.11.7. I tried to >> revert: >> 423893fcbe7e tpm: Disable TPM on tpm2_create_primary() failure >> from 6.12 but that still fails. >> >> We are debugging this further, this is just so you know. >> >> Or maybe you have some immediate ideas? > > Nothing immediate but I've had to tweak quite a lot of TPM bus > integrity protection feature so it is a possibility that I've > made a mistake in a point or another. > > Can you bisect the issue possibly? No, see mark "X" :). But follow the downstream bug for progress: https://bugzilla.suse.com/show_bug.cgi?id=1233752 thanks, -- js suse labs