crypto: skcipher - Pass statesize for simple lskcipher instances

When ecb is used to wrap an lskcipher, the statesize isn't set
correctly.  Fix this by making the simple instance creator set
the statesize.

Reported-by: syzbot+8ffb0839a24e9c6bfa76@syzkaller.appspotmail.com
Reported-by: Edward Adam Davis <eadavis@qq.com>
Fixes: 662ea18d089b ("crypto: skcipher - Make use of internal state")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/crypto/lskcipher.c b/crypto/lskcipher.c
index a06008e112f319c91a3eae8cfb88e95509c4bb85..0b6dd8aa21f2edace686fb5531705698e7acc18d 100644 (file)
--- a/crypto/lskcipher.c
+++ b/crypto/lskcipher.c
@@ -642,6 +642,7 @@ struct lskcipher_instance *lskcipher_alloc_instance_simple(
        inst->alg.co.min_keysize = cipher_alg->co.min_keysize;
        inst->alg.co.max_keysize = cipher_alg->co.max_keysize;
        inst->alg.co.ivsize = cipher_alg->co.base.cra_blocksize;
+       inst->alg.co.statesize = cipher_alg->co.statesize;
 
        /* Use struct crypto_lskcipher * by default, can be overridden */
        inst->alg.co.base.cra_ctxsize = sizeof(struct crypto_lskcipher *);