Hi Kees, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to v5.3 next-20190924] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Kees-Cook/audit-Report-suspicious-O_CREAT-usage/20190926-050423 config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): In file included from include/linux/fsnotify.h:16:0, from fs///attr.c:15: >> include/linux/audit.h:222:1: error: expected identifier or '(' before '{' token { } ^ include/linux/audit.h:221:20: warning: 'audit_log_path_denied' declared 'static' but never defined [-Wunused-function] static inline void audit_log_path_denied(int type, const char *string); ^~~~~~~~~~~~~~~~~~~~~ vim +222 include/linux/audit.h b48345aafb2038 Richard Guy Briggs 2019-05-10 187 96368701e1c890 Paul Moore 2016-01-13 188 #else /* CONFIG_AUDIT */ 96368701e1c890 Paul Moore 2016-01-13 189 static inline __printf(4, 5) 96368701e1c890 Paul Moore 2016-01-13 190 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, 96368701e1c890 Paul Moore 2016-01-13 191 const char *fmt, ...) 96368701e1c890 Paul Moore 2016-01-13 192 { } 96368701e1c890 Paul Moore 2016-01-13 193 static inline struct audit_buffer *audit_log_start(struct audit_context *ctx, 96368701e1c890 Paul Moore 2016-01-13 194 gfp_t gfp_mask, int type) 96368701e1c890 Paul Moore 2016-01-13 195 { 96368701e1c890 Paul Moore 2016-01-13 196 return NULL; 96368701e1c890 Paul Moore 2016-01-13 197 } 96368701e1c890 Paul Moore 2016-01-13 198 static inline __printf(2, 3) 96368701e1c890 Paul Moore 2016-01-13 199 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...) 96368701e1c890 Paul Moore 2016-01-13 200 { } 96368701e1c890 Paul Moore 2016-01-13 201 static inline void audit_log_end(struct audit_buffer *ab) 96368701e1c890 Paul Moore 2016-01-13 202 { } 96368701e1c890 Paul Moore 2016-01-13 203 static inline void audit_log_n_hex(struct audit_buffer *ab, 96368701e1c890 Paul Moore 2016-01-13 204 const unsigned char *buf, size_t len) 96368701e1c890 Paul Moore 2016-01-13 205 { } 96368701e1c890 Paul Moore 2016-01-13 206 static inline void audit_log_n_string(struct audit_buffer *ab, 96368701e1c890 Paul Moore 2016-01-13 207 const char *buf, size_t n) 96368701e1c890 Paul Moore 2016-01-13 208 { } 96368701e1c890 Paul Moore 2016-01-13 209 static inline void audit_log_n_untrustedstring(struct audit_buffer *ab, 96368701e1c890 Paul Moore 2016-01-13 210 const char *string, size_t n) 96368701e1c890 Paul Moore 2016-01-13 211 { } 96368701e1c890 Paul Moore 2016-01-13 212 static inline void audit_log_untrustedstring(struct audit_buffer *ab, 96368701e1c890 Paul Moore 2016-01-13 213 const char *string) 96368701e1c890 Paul Moore 2016-01-13 214 { } 96368701e1c890 Paul Moore 2016-01-13 215 static inline void audit_log_d_path(struct audit_buffer *ab, 96368701e1c890 Paul Moore 2016-01-13 216 const char *prefix, 96368701e1c890 Paul Moore 2016-01-13 217 const struct path *path) 96368701e1c890 Paul Moore 2016-01-13 218 { } 96368701e1c890 Paul Moore 2016-01-13 219 static inline void audit_log_key(struct audit_buffer *ab, char *key) 96368701e1c890 Paul Moore 2016-01-13 220 { } 21e61058cf0f22 Kees Cook 2019-09-25 221 static inline void audit_log_path_denied(int type, const char *string); 96368701e1c890 Paul Moore 2016-01-13 @222 { } 96368701e1c890 Paul Moore 2016-01-13 223 static inline int audit_log_task_context(struct audit_buffer *ab) 96368701e1c890 Paul Moore 2016-01-13 224 { 96368701e1c890 Paul Moore 2016-01-13 225 return 0; 96368701e1c890 Paul Moore 2016-01-13 226 } 2a1fe215e7300c Paul Moore 2018-11-26 227 static inline void audit_log_task_info(struct audit_buffer *ab) 96368701e1c890 Paul Moore 2016-01-13 228 { } 4b7d248b3a1de4 Richard Guy Briggs 2019-01-22 229 :::::: The code at line 222 was first introduced by commit :::::: 96368701e1c89057bbf39222e965161c68a85b4b audit: force seccomp event logging to honor the audit_enabled flag :::::: TO: Paul Moore :::::: CC: Paul Moore --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation