Re: [PATCH v2] crypto: xts_crypt() return if walk.nbytes is 0

From: Herbert Xu
Date: Fri Aug 27 2021 - 04:38:30 EST


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@xxxxxxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh630@xxxxxxxxx>
> ---
> arch/x86/crypto/aesni-intel_glue.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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