Re: [BUG] SLOB breaks Crypto

From: Herbert Xu
Date: Tue May 18 2010 - 21:52:20 EST


On Tue, May 18, 2010 at 09:32:54PM +0200, Adrian-Ken Rueegsegger wrote:
>
> When doing the revert it is necessary to either have
> ARCH_KMALLOC_MINALIGN defined or explicitly define CRYPTO_MINALIGN in
> the case where it is not. Otherwise shash compilation fails because it
> needs CRYPTO_MINALIGN.

I've added the following patch. Thanks!

commit 18eb8ea6ee4cc9ed39b45f95b734f523bcfb586b
Author: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Wed May 19 11:50:58 2010 +1000

crypto: shash - Remove usage of CRYPTO_MINALIGN

The macro CRYPTO_MINALIGN is not meant to be used directly. This
patch replaces it with crypto_tfm_ctx_alignment.

Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>

diff --git a/crypto/shash.c b/crypto/shash.c
index 91f7b9d..22fd943 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -37,7 +37,7 @@ static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
u8 *buffer, *alignbuffer;
int err;

- absize = keylen + (alignmask & ~(CRYPTO_MINALIGN - 1));
+ absize = keylen + (alignmask & ~(crypto_tfm_ctx_alignment() - 1));
buffer = kmalloc(absize, GFP_KERNEL);
if (!buffer)
return -ENOMEM;

--
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Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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