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List: linux-crypto-vger
Subject: Re: [PATCH v2] crypto: xts_crypt() return if walk.nbytes is 0
From: Herbert Xu <herbert () gondor ! apana ! org ! au>
Date: 2021-08-27 8:38:14
Message-ID: 20210827083814.GE21571 () gondor ! apana ! org ! au
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On Sun, Aug 22, 2021 at 09:15:14AM +0530, Shreyansh Chouhan wrote:
> xts_crypt() code doesn't call kernel_fpu_end() after calling
> kernel_fpu_begin() if walk.nbytes is 0. The correct behavior should be
> not calling kernel_fpu_begin() if walk.nbytes is 0.
>
> Reported-by: syzbot+20191dc583eff8602d2d@syzkaller.appspotmail.com
> Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh630@gmail.com>
> ---
> arch/x86/crypto/aesni-intel_glue.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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