netdev - Re: [PATCH 3/3] tls: Use correct sk->sk

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Message-ID: <201708112307.qBWXyuLc%fengguang.wu@intel.com>
Date:   Fri, 11 Aug 2017 23:06:23 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Ilya Lesokhin <ilyal@...lanox.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org, davejwatson@...com,
        aviadye@...lanox.com, Ilya Lesokhin <ilyal@...lanox.com>,
        Boris Pismenny <borisp@...lanox.com>
Subject: Re: [PATCH 3/3] tls: Use correct sk->sk_prot for IPV6

Hi Ilya,

[auto build test ERROR on net/master]
[also build test ERROR on v4.13-rc4 next-20170811]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Ilya-Lesokhin/ipv6-Prevent-unexpected-sk-sk_prot-changes/20170811-223050
config: i386-randconfig-x018-201732 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   net/tls/tls_main.c: In function 'do_tls_setsockopt_tx':
>> net/tls/tls_main.c:362:43: error: 'TLSV6' undeclared (first use in this function)
     int ip_ver = sk->sk_family == AF_INET6 ? TLSV6 : TLSV4;
                                              ^~~~~
   net/tls/tls_main.c:362:43: note: each undeclared identifier is reported only once for each function it appears in

vim +/TLSV6 +362 net/tls/tls_main.c

   354	
   355	static int do_tls_setsockopt_tx(struct sock *sk, char __user *optval,
   356					unsigned int optlen)
   357	{
   358		struct tls_crypto_info *crypto_info, tmp_crypto_info;
   359		struct tls_context *ctx = tls_get_ctx(sk);
   360		struct proto *prot = NULL;
   361		int rc = 0;
 > 362		int ip_ver = sk->sk_family == AF_INET6 ? TLSV6 : TLSV4;
   363	
   364		if (!optval || (optlen < sizeof(*crypto_info))) {
   365			rc = -EINVAL;
   366			goto out;
   367		}
   368	
   369		rc = copy_from_user(&tmp_crypto_info, optval, sizeof(*crypto_info));
   370		if (rc) {
   371			rc = -EFAULT;
   372			goto out;
   373		}
   374	
   375		/* check version */
   376		if (tmp_crypto_info.version != TLS_1_2_VERSION) {
   377			rc = -ENOTSUPP;
   378			goto out;
   379		}
   380	
   381		/* get user crypto info */
   382		crypto_info = &ctx->crypto_send;
   383	
   384		/* Currently we don't support set crypto info more than one time */
   385		if (TLS_CRYPTO_INFO_READY(crypto_info))
   386			goto out;
   387	
   388		switch (tmp_crypto_info.cipher_type) {
   389		case TLS_CIPHER_AES_GCM_128: {
   390			if (optlen != sizeof(struct tls12_crypto_info_aes_gcm_128)) {
   391				rc = -EINVAL;
   392				goto out;
   393			}
   394			rc = copy_from_user(
   395			  crypto_info,
   396			  optval,
   397			  sizeof(struct tls12_crypto_info_aes_gcm_128));
   398	
   399			if (rc) {
   400				rc = -EFAULT;
   401				goto err_crypto_info;
   402			}
   403			break;
   404		}
   405		default:
   406			rc = -EINVAL;
   407			goto out;
   408		}
   409	
   410		ctx->sk_write_space = sk->sk_write_space;
   411		sk->sk_write_space = tls_write_space;
   412	
   413		ctx->sk_proto_close = sk->sk_prot->close;
   414	
   415		/* currently SW is default, we will have ethtool in future */
   416		rc = tls_set_sw_offload(sk, ctx);
   417		prot = &tls_prots[ip_ver][TLS_SW_TX];
   418		if (rc)
   419			goto err_crypto_info;
   420	
   421		sk->sk_prot = prot;
   422		goto out;
   423	
   424	err_crypto_info:
   425		memset(crypto_info, 0, sizeof(*crypto_info));
   426	out:
   427		return rc;
   428	}
   429	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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