D42838.diff
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	diff --git a/sys/crypto/openssl/amd64/ossl_aes_gcm.c b/sys/crypto/openssl/amd64/ossl_aes_gcm.c
	--- a/sys/crypto/openssl/amd64/ossl_aes_gcm.c
	+++ b/sys/crypto/openssl/amd64/ossl_aes_gcm.c
	@@ -459,7 +459,7 @@
	size_t bulk = 0, res;
	int error;

	- res = (AES_BLOCK_LEN - ctx->gcm.mres) % AES_BLOCK_LEN;
	+ res = MIN(len, (AES_BLOCK_LEN - ctx->gcm.mres) % AES_BLOCK_LEN);
	if ((error = gcm_encrypt(ctx, in, out, res)) != 0)
	return error;

	@@ -621,12 +621,12 @@
	size_t bulk = 0, res;
	int error;

	- res = (AES_BLOCK_LEN - ctx->gcm.mres) % AES_BLOCK_LEN;
	+ res = MIN(len, (AES_BLOCK_LEN - ctx->gcm.mres) % AES_BLOCK_LEN);
	if ((error = gcm_decrypt(ctx, in, out, res)) != 0)
	return error;

	- bulk = aesni_gcm_decrypt(in, out, len, &ctx->aes_ks, ctx->gcm.Yi.c,
	- ctx->gcm.Xi.u);
	+ bulk = aesni_gcm_decrypt(in + res, out + res, len - res, &ctx->aes_ks,
	+ ctx->gcm.Yi.c, ctx->gcm.Xi.u);
	ctx->gcm.len.u[1] += bulk;
	bulk += res;