[net-next] selftests/tls: fix selftest with CHACHA20-POLY1305

TLS selftests were broken also because of use of structure that
was not exported to UAPI. Fix by defining the union in tests.

Fixes: 3502bd9b5762 (selftests/tls: fix selftests after adding ChaCha20-Poly1305)
Fixes: 4f336e88a870 (selftests/tls: add CHACHA20-POLY1305 to tls selftests)
Reported-by: Rong Chen <redacted>
Signed-off-by: Vadim Fedorenko <redacted>
---
 tools/testing/selftests/net/tls.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index e0088c2..426d078 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c

@@ -133,7 +133,10 @@
 
 FIXTURE_SETUP(tls)
 {
-	union tls_crypto_context tls12;
+	union {
+		struct tls12_crypto_info_aes_gcm_128 aes128;
+		struct tls12_crypto_info_chacha20_poly1305 chacha20;
+	} tls12;
 	struct sockaddr_in addr;
 	socklen_t len;
 	int sfd, ret;

@@ -143,14 +146,16 @@
 	len = sizeof(addr);
 
 	memset(&tls12, 0, sizeof(tls12));
-	tls12.info.version = variant->tls_version;
-	tls12.info.cipher_type = variant->cipher_type;
 	switch (variant->cipher_type) {
 	case TLS_CIPHER_CHACHA20_POLY1305:
-		tls12_sz = sizeof(tls12_crypto_info_chacha20_poly1305);
+		tls12_sz = sizeof(struct tls12_crypto_info_chacha20_poly1305);
+		tls12.chacha20.info.version = variant->tls_version;
+		tls12.chacha20.info.cipher_type = variant->cipher_type;
 		break;
 	case TLS_CIPHER_AES_GCM_128:
-		tls12_sz = sizeof(tls12_crypto_info_aes_gcm_128);
+		tls12_sz = sizeof(struct tls12_crypto_info_aes_gcm_128);
+		tls12.aes128.info.version = variant->tls_version;
+		tls12.aes128.info.cipher_type = variant->cipher_type;
 		break;
 	default:
 		tls12_sz = 0;

-- 
1.8.3.1

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Wed,  3 Feb 2021 23:37:14 +0300 you wrote:

TLS selftests were broken also because of use of structure that
was not exported to UAPI. Fix by defining the union in tests.

Fixes: 3502bd9b5762 (selftests/tls: fix selftests after adding ChaCha20-Poly1305)
Fixes: 4f336e88a870 (selftests/tls: add CHACHA20-POLY1305 to tls selftests)
Reported-by: Rong Chen <redacted>
Signed-off-by: Vadim Fedorenko <redacted>

[...]

Here is the summary with links:
  - [net-next] selftests/tls: fix selftest with CHACHA20-POLY1305
    https://git.kernel.org/netdev/net/c/d795cc02a297

You are awesome, thank you!
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