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crypto: skcipher - Pass statesize for simple lskcipher instances

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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: 662ea18d08 ("crypto: skcipher - Make use of internal state")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2023-12-21 10:42:57 +08:00
parent 0eaef675b9
commit 37c6fc323a
1 changed files with 1 additions and 0 deletions
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crypto/lskcipher.c
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@ -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 *);