Re: [PATCH] crypto: qce: skcipher: Fix incorrect sg count for dma transfers

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On Thu, May 20, 2021 at 10:20:23PM -0400, Thara Gopinath wrote:
> Use the sg count returned by dma_map_sg to call into
> dmaengine_prep_slave_sg rather than using the original sg count. dma_map_sg
> can merge consecutive sglist entries, thus making the original sg count
> wrong. This is a fix for memory coruption issues observed while testing
> encryption/decryption of large messages using libkcapi framework.
> 
> Patch has been tested further by running full suite of tcrypt.ko tests
> including fuzz tests.
> 
> Signed-off-by: Thara Gopinath <thara.gopinath@xxxxxxxxxx>
> ---
>  drivers/crypto/qce/skcipher.c | 15 ++++++++-------
>  1 file changed, 8 insertions(+), 7 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt



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