[integrity:next-integrity-queued 22/22] security/integrity/evm/evm_crypto.c:93: undefined reference to `hash_algo_name'
From: kbuild test robot <hidden>
Date: 2018-06-14 01:07:00
tree: https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next-integrity-queued
head: 6497009f11c75bae55a3329dedcd3eeb8e282eaf
commit: 6497009f11c75bae55a3329dedcd3eeb8e282eaf [22/22] evm: Allow non-SHA1 digital signatures
config: x86_64-randconfig-ws0-06140615 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
git checkout 6497009f11c75bae55a3329dedcd3eeb8e282eaf
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
security/integrity/evm/evm_crypto.o: In function `init_desc':quoted
security/integrity/evm/evm_crypto.c:93: undefined reference to `hash_algo_name'
vim +93 security/integrity/evm/evm_crypto.c
76
77 static struct shash_desc *init_desc(char type, uint8_t hash_algo)
78 {
79 long rc;
80 const char *algo;
81 struct crypto_shash **tfm;
82 struct shash_desc *desc;
83
84 if (type == EVM_XATTR_HMAC) {
85 if (!(evm_initialized & EVM_INIT_HMAC)) {
86 pr_err_once("HMAC key is not set\n");
87 return ERR_PTR(-ENOKEY);
88 }
89 tfm = &hmac_tfm;
90 algo = evm_hmac;
91 } else {
92 tfm = &evm_tfm[hash_algo];
> 93 algo = hash_algo_name[hash_algo];
94 }
95
96 if (*tfm == NULL) {
97 mutex_lock(&mutex);
98 if (*tfm)
99 goto out;
100 *tfm = crypto_alloc_shash(algo, 0,
101 CRYPTO_ALG_ASYNC | CRYPTO_NOLOAD);
102 if (IS_ERR(*tfm)) {
103 rc = PTR_ERR(*tfm);
104 pr_err("Can not allocate %s (reason: %ld)\n", algo, rc);
105 *tfm = NULL;
106 mutex_unlock(&mutex);
107 return ERR_PTR(rc);
108 }
109 if (type == EVM_XATTR_HMAC) {
110 rc = crypto_shash_setkey(*tfm, evmkey, evmkey_len);
111 if (rc) {
112 crypto_free_shash(*tfm);
113 *tfm = NULL;
114 mutex_unlock(&mutex);
115 return ERR_PTR(rc);
116 }
117 }
118 out:
119 mutex_unlock(&mutex);
120 }
121
122 desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(*tfm),
123 GFP_KERNEL);
124 if (!desc)
125 return ERR_PTR(-ENOMEM);
126
127 desc->tfm = *tfm;
128 desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
129
130 rc = crypto_shash_init(desc);
131 if (rc) {
132 kfree(desc);
133 return ERR_PTR(rc);
134 }
135 return desc;
136 }
137
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