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crypto: algif - zeroize IV buffer
Zeroize the buffer holding the IV used for the completed cipher operation before the buffer is released by the skcipher AF_ALG interface handler. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -566,6 +566,7 @@ static void skcipher_sock_destruct(struct sock *sk)
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struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req);
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skcipher_free_sgl(sk);
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memzero_explicit(ctx->iv, crypto_ablkcipher_ivsize(tfm));
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sock_kfree_s(sk, ctx->iv, crypto_ablkcipher_ivsize(tfm));
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sock_kfree_s(sk, ctx, ctx->len);
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af_alg_release_parent(sk);
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