Hi Mark, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to v5.3-rc5 next-20190820] [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/Mark-Salyzyn/Add-flags-option-to-get-xattr-method-paired-to-__vfs_getxattr/20190820-220307 config: i386-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-10) 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 <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): security/smack/smack_lsm.c: In function 'smk_fetch': >> security/smack/smack_lsm.c:308:26: error: 'buffer' undeclared (first use in this function); did you mean 'user'? skp = smk_import_entry(buffer, rc); ^~~~~~ user security/smack/smack_lsm.c:308:26: note: each undeclared identifier is reported only once for each function it appears in -- security/integrity/evm/evm_main.c: In function 'evm_find_protected_xattrs': >> security/integrity/evm/evm_main.c:103:8: error: 'inode' undeclared (first use in this function) if (!(inode->i_opflags & IOP_XATTR)) ^~~~~ security/integrity/evm/evm_main.c:103:8: note: each undeclared identifier is reported only once for each function it appears in >> security/integrity/evm/evm_main.c:109:14: warning: assignment makes integer from pointer without a cast [-Wint-conversion] args.flags = xattr->name; ^ -- In file included from include/linux/stat.h:7:0, from include/linux/module.h:10, from fs/9p/acl.c:15: fs/9p/acl.c: In function 'v9fs_xattr_set_acl': >> fs/9p/acl.c:258:14: error: 'inode' undeclared (first use in this function) if (S_ISLNK(inode->i_mode)) ^ include/uapi/linux/stat.h:21:23: note: in definition of macro 'S_ISLNK' #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) ^ fs/9p/acl.c:258:14: note: each undeclared identifier is reported only once for each function it appears in if (S_ISLNK(inode->i_mode)) ^ include/uapi/linux/stat.h:21:23: note: in definition of macro 'S_ISLNK' #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) ^ -- fs/afs/xattr.c: In function 'afs_xattr_get_cell': >> fs/afs/xattr.c:334:6: error: 'size' undeclared (first use in this function); did you mean 'ksize'? if (size == 0) ^~~~ ksize fs/afs/xattr.c:334:6: note: each undeclared identifier is reported only once for each function it appears in -- fs/ecryptfs/crypto.c: In function 'ecryptfs_write_metadata_to_xattr': >> fs/ecryptfs/crypto.c:1131:23: error: 'args' undeclared (first use in this function); did you mean 'abs'? rc = __vfs_setxattr(&args); ^~~~ abs fs/ecryptfs/crypto.c:1131:23: note: each undeclared identifier is reported only once for each function it appears in -- fs/ubifs/xattr.c: In function 'xattr_get': >> fs/ubifs/xattr.c:676:63: error: 'name' undeclared (first use in this function); did you mean 'page'? return ubifs_xattr_get(args->inode, xattr_full_name(handler, name), ^~~~ page fs/ubifs/xattr.c:676:63: note: each undeclared identifier is reported only once for each function it appears in fs/ubifs/xattr.c: In function 'xattr_set': >> fs/ubifs/xattr.c:686:6: error: 'value' undeclared (first use in this function); did you mean 'false'? if (value) ^~~~~ false fs/ubifs/xattr.c:694:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ fs/ubifs/xattr.c: In function 'xattr_get': fs/ubifs/xattr.c:678:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ -- fs/xfs/libxfs/xfs_attr.c: In function 'xfs_attr_set': >> fs/xfs/libxfs/xfs_attr.c:327:13: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] args.value = value; ^ vim +308 security/smack/smack_lsm.c d166c8024d620d Casey Schaufler 2014-08-27 271 e114e473771c84 Casey Schaufler 2008-02-04 272 /** e114e473771c84 Casey Schaufler 2008-02-04 273 * smk_fetch - Fetch the smack label from a file. 1a28979b322bb2 Lukasz Pawelczyk 2014-11-26 274 * @name: type of the label (attribute) e114e473771c84 Casey Schaufler 2008-02-04 275 * @ip: a pointer to the inode e114e473771c84 Casey Schaufler 2008-02-04 276 * @dp: a pointer to the dentry e114e473771c84 Casey Schaufler 2008-02-04 277 * e774ad683f425a Lukasz Pawelczyk 2015-04-20 278 * Returns a pointer to the master list entry for the Smack label, e774ad683f425a Lukasz Pawelczyk 2015-04-20 279 * NULL if there was no label to fetch, or an error code. e114e473771c84 Casey Schaufler 2008-02-04 280 */ 2f823ff8bec03a Casey Schaufler 2013-05-22 281 static struct smack_known *smk_fetch(const char *name, struct inode *ip, 2f823ff8bec03a Casey Schaufler 2013-05-22 282 struct dentry *dp) e114e473771c84 Casey Schaufler 2008-02-04 283 { e114e473771c84 Casey Schaufler 2008-02-04 284 int rc; 2f823ff8bec03a Casey Schaufler 2013-05-22 285 struct smack_known *skp = NULL; 7d823b0879d4e2 Mark Salyzyn 2019-08-19 286 struct xattr_gs_args args; e114e473771c84 Casey Schaufler 2008-02-04 287 5d6c31910bc071 Andreas Gruenbacher 2016-09-29 288 if (!(ip->i_opflags & IOP_XATTR)) e774ad683f425a Lukasz Pawelczyk 2015-04-20 289 return ERR_PTR(-EOPNOTSUPP); e114e473771c84 Casey Schaufler 2008-02-04 290 7d823b0879d4e2 Mark Salyzyn 2019-08-19 291 memset(&args, 0, sizeof(args)); 7d823b0879d4e2 Mark Salyzyn 2019-08-19 292 args.dentry = dp; 7d823b0879d4e2 Mark Salyzyn 2019-08-19 293 args.inode = ip; 7d823b0879d4e2 Mark Salyzyn 2019-08-19 294 args.name = name; 7d823b0879d4e2 Mark Salyzyn 2019-08-19 295 args.buffer = kzalloc(SMK_LONGLABEL, GFP_KERNEL); 7d823b0879d4e2 Mark Salyzyn 2019-08-19 296 args.size = SMK_LONGLABEL; 7d823b0879d4e2 Mark Salyzyn 2019-08-19 297 args.flags = XATTR_NOSECURITY; 7d823b0879d4e2 Mark Salyzyn 2019-08-19 298 7d823b0879d4e2 Mark Salyzyn 2019-08-19 299 if (args.buffer == NULL) e774ad683f425a Lukasz Pawelczyk 2015-04-20 300 return ERR_PTR(-ENOMEM); e114e473771c84 Casey Schaufler 2008-02-04 301 7d823b0879d4e2 Mark Salyzyn 2019-08-19 302 rc = __vfs_getxattr(&args); e774ad683f425a Lukasz Pawelczyk 2015-04-20 303 if (rc < 0) e774ad683f425a Lukasz Pawelczyk 2015-04-20 304 skp = ERR_PTR(rc); e774ad683f425a Lukasz Pawelczyk 2015-04-20 305 else if (rc == 0) e774ad683f425a Lukasz Pawelczyk 2015-04-20 306 skp = NULL; e774ad683f425a Lukasz Pawelczyk 2015-04-20 307 else 2f823ff8bec03a Casey Schaufler 2013-05-22 @308 skp = smk_import_entry(buffer, rc); f7112e6c9abf1c Casey Schaufler 2012-05-06 309 f7112e6c9abf1c Casey Schaufler 2012-05-06 310 kfree(buffer); f7112e6c9abf1c Casey Schaufler 2012-05-06 311 2f823ff8bec03a Casey Schaufler 2013-05-22 312 return skp; e114e473771c84 Casey Schaufler 2008-02-04 313 } e114e473771c84 Casey Schaufler 2008-02-04 314 :::::: The code at line 308 was first introduced by commit :::::: 2f823ff8bec03a1e6f9e11fd0c4d54e4c7d09532 Smack: Improve access check performance :::::: TO: Casey Schaufler <casey@xxxxxxxxxxxxxxxx> :::::: CC: Casey Schaufler <casey@xxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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