Re: [PATCH] crypto: aesni-intel - fix unaligned cbc decrypt for x86-32
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2012-05-31 10:55:12
On Wed, May 30, 2012 at 01:43:08AM +0200, Mathias Krause wrote:
The 32 bit variant of cbc(aes) decrypt is using instructions requiring 128 bit aligned memory locations but fails to ensure this constraint in the code. Fix this by loading the data into intermediate registers with load unaligned instructions. This fixes reported general protection faults related to aesni. References: https://bugzilla.kernel.org/show_bug.cgi?id=43223 Reported-by: Daniel <redacted> Cc: stable@kernel.org [v2.6.39+] Signed-off-by: Mathias Krause <redacted>
Patch applied to crypto. Thanks. -- Email: Herbert Xu [off-list ref] Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt