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Wed, 22 Jan 2020 23:07:04 +0000 Received: from gmail.com (unknown [104.132.1.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B9A802465A; Wed, 22 Jan 2020 23:06:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579734412; bh=iDK9mhfatk0/hNugU/WPUPfmhu1Thz7bh75Z2DXYU/0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=MdMedgKfSUinhQoW7EX8dAKvj1YwqwHzlbb1cbzLT6dOt2HZWykDyFD3k2cNyhQyK 8GB5uINMlhWRPvQRr20QS8SxKPsazWkqZ9NELkASmhvpjUozkcfUA+LLJ+HQqgq/Lb YogycmIn0nDOqv8LkTPXOOSGVMsOMS5102vK6M3Q= Date: Wed, 22 Jan 2020 15:06:50 -0800 From: Eric Biggers To: linux-fscrypt@vger.kernel.org Message-ID: <20200122230649.GC182745@gmail.com> References: <20200120223201.241390-1-ebiggers@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200120223201.241390-1-ebiggers@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-Headers-End: 1iuP5S-00FBDi-KB Subject: Re: [f2fs-dev] [PATCH v5 0/6] fscrypt preparations for encryption+casefolding X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Rosenberg , Gabriel Krisman Bertazi , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mtd@lists.infradead.org, Richard Weinberger , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, kernel-team@android.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On Mon, Jan 20, 2020 at 02:31:55PM -0800, Eric Biggers wrote: > This is a cleaned up and fixed version of the fscrypt patches to prepare > for directories that are both encrypted and casefolded. > > Patches 1-3 start deriving a SipHash key for the new dirhash method that > will be used by encrypted+casefolded directories. To avoid unnecessary > overhead, we only do this if the directory is actually casefolded. > > Patch 4 fixes a bug in UBIFS where it didn't gracefully handle invalid > hash values in fscrypt no-key names. This is an existing bug, but the > new fscrypt no-key name format (patch 6) made it much easier to trigger; > it started being hit by 'kvm-xfstests -c ubifs -g encrypt'. > > Patch 5 updates UBIFS to make it ready for the new fscrypt no-key name > format that always includes the dirhash. > > Patch 6 modifies the fscrypt no-key names to always include the dirhash, > since with the new dirhash method the dirhash will no longer be > computable from the ciphertext filename without the key. It also fixes > a longstanding issue where there could be collisions in the no-key > names, due to not using a proper cryptographic hash to abbreviate names. > > For more information see the main patch series, which includes the > filesystem-specific changes: > https://lkml.kernel.org/linux-fscrypt/20200117214246.235591-1-drosen@google.com/T/#u > > This applies to fscrypt.git#master. > > Changed v4 => v5: > - Fixed UBIFS encryption to work with the new no-key name format. I've applied this series to fscrypt.git#master; however I'd still like Acked-bys from the UBIFS maintainers on the two UBIFS patches, as well as more Reviewed-bys from anyone interested. If I don't hear anything from anyone, I might drop these to give more time, especially if there isn't an v5.5-rc8. - Eric _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel