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commitf0cfd57b43upstream. The Kernel Crypto API request output the next IV data to IV buffer for CBC implementation. So the last block data of ciphertext should be copid into assigned IV buffer. Reported-by: Eric Biggers <ebiggers@google.com> Fixes:433cd2c617("crypto: rockchip - add crypto driver for rk3288") Cc: <stable@vger.kernel.org> # v4.5+ Signed-off-by: Zhang Zhijie <zhangzj@rock-chips.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>