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SubjectRe: [PATCH 09/12] ima: introduce securityfs interfaces for digest lists
Hi Roberto,

[auto build test WARNING on integrity/next]
[also build test WARNING on v4.13-rc2 next-20170726]
[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/Roberto-Sassu/ima-measure-digest-lists-instead-of-individual-files/20170727-123131
base: https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next
config: x86_64-randconfig-x000-201730 (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=x86_64

All warnings (new ones prefixed by >>):

In file included from security/integrity/ima/ima_fs.c:27:0:
security/integrity/ima/ima.h: In function 'ima_parse_digest_list_metadata':
security/integrity/ima/ima.h:165:10: error: 'ENOTSUP' undeclared (first use in this function)
return -ENOTSUP;
^~~~~~~
security/integrity/ima/ima.h:165:10: note: each undeclared identifier is reported only once for each function it appears in
>> security/integrity/ima/ima.h:166:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^

vim +166 security/integrity/ima/ima.h

d68a6fe9f Mimi Zohar 2016-12-19 135
3323eec92 Mimi Zohar 2009-02-04 136 /* Internal IMA function definitions */
3323eec92 Mimi Zohar 2009-02-04 137 int ima_init(void);
bab739378 Mimi Zohar 2009-02-04 138 int ima_fs_init(void);
3323eec92 Mimi Zohar 2009-02-04 139 int ima_add_template_entry(struct ima_template_entry *entry, int violation,
9803d413f Roberto Sassu 2013-06-07 140 const char *op, struct inode *inode,
9803d413f Roberto Sassu 2013-06-07 141 const unsigned char *filename);
c7c8bb237 Dmitry Kasatkin 2013-04-25 142 int ima_calc_file_hash(struct file *file, struct ima_digest_data *hash);
11d7646df Dmitry Kasatkin 2014-04-17 143 int ima_calc_buffer_hash(const void *buf, loff_t len,
11d7646df Dmitry Kasatkin 2014-04-17 144 struct ima_digest_data *hash);
b6f8f16f4 Roberto Sassu 2013-11-08 145 int ima_calc_field_array_hash(struct ima_field_data *field_data,
b6f8f16f4 Roberto Sassu 2013-11-08 146 struct ima_template_desc *desc, int num_fields,
c7c8bb237 Dmitry Kasatkin 2013-04-25 147 struct ima_digest_data *hash);
09ef54359 Dmitry Kasatkin 2013-06-07 148 int __init ima_calc_boot_aggregate(struct ima_digest_data *hash);
7d802a227 Roberto Sassu 2013-06-07 149 void ima_add_violation(struct file *file, const unsigned char *filename,
8d94eb9b5 Roberto Sassu 2015-04-11 150 struct integrity_iint_cache *iint,
3323eec92 Mimi Zohar 2009-02-04 151 const char *op, const char *cause);
76bb28f61 Dmitry Kasatkin 2012-06-08 152 int ima_init_crypto(void);
3ce1217d6 Roberto Sassu 2013-06-07 153 void ima_putc(struct seq_file *m, void *data, int datalen);
45b26133b Mimi Zohar 2015-06-11 154 void ima_print_digest(struct seq_file *m, u8 *digest, u32 size);
a71dc65d3 Roberto Sassu 2013-06-07 155 struct ima_template_desc *ima_template_desc_current(void);
94c3aac56 Mimi Zohar 2016-12-19 156 int ima_restore_measurement_entry(struct ima_template_entry *entry);
94c3aac56 Mimi Zohar 2016-12-19 157 int ima_restore_measurement_list(loff_t bufsize, void *buf);
4b1c19b3d Roberto Sassu 2017-07-25 158 struct ima_digest *ima_lookup_loaded_digest(u8 *digest);
4b1c19b3d Roberto Sassu 2017-07-25 159 int ima_add_digest_data_entry(u8 *digest);
3580b2df6 Roberto Sassu 2017-07-25 160 #ifdef CONFIG_IMA_DIGEST_LIST
3580b2df6 Roberto Sassu 2017-07-25 161 ssize_t ima_parse_digest_list_metadata(loff_t size, void *buf);
3580b2df6 Roberto Sassu 2017-07-25 162 #else
3580b2df6 Roberto Sassu 2017-07-25 163 static inline ssize_t ima_parse_digest_list_metadata(loff_t size, void *buf)
3580b2df6 Roberto Sassu 2017-07-25 164 {
3580b2df6 Roberto Sassu 2017-07-25 @165 return -ENOTSUP;
3580b2df6 Roberto Sassu 2017-07-25 @166 }
3580b2df6 Roberto Sassu 2017-07-25 167 #endif
7b8589cc2 Mimi Zohar 2016-12-19 168 int ima_measurements_show(struct seq_file *m, void *v);
d158847ae Mimi Zohar 2016-12-19 169 unsigned long ima_get_binary_runtime_size(void);
a71dc65d3 Roberto Sassu 2013-06-07 170 int ima_init_template(void);
3f23d624d Mimi Zohar 2016-12-19 171 void ima_init_template_list(void);
3323eec92 Mimi Zohar 2009-02-04 172

:::::: The code at line 166 was first introduced by commit
:::::: 3580b2df63c2ec47030a481fea2d2c865124aff4 ima: added parser of digest lists metadata

:::::: TO: Roberto Sassu <roberto.sassu@huawei.com>
:::::: CC: 0day robot <fengguang.wu@intel.com>

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