Hi Namjae,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 90b0c2b2edd1adff742c621e246562fbefa11b70
commit: 2b57a4322b1b14348940744fdc02f9a86cbbdbeb ksmbd: check if a mount point is crossed during path lookup
date: 3 months ago
config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20231104/[email protected]/config)
compiler: sh4-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231104/[email protected]/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
All warnings (new ones prefixed by >>):
fs/smb/server/vfs.c:54: warning: Function parameter or member 'parent' not described in 'ksmbd_vfs_lock_parent'
fs/smb/server/vfs.c:54: warning: Function parameter or member 'child' not described in 'ksmbd_vfs_lock_parent'
fs/smb/server/vfs.c:375: warning: Function parameter or member 'fp' not described in 'ksmbd_vfs_read'
fs/smb/server/vfs.c:375: warning: Excess function parameter 'fid' description in 'ksmbd_vfs_read'
fs/smb/server/vfs.c:492: warning: Function parameter or member 'fp' not described in 'ksmbd_vfs_write'
fs/smb/server/vfs.c:492: warning: Excess function parameter 'fid' description in 'ksmbd_vfs_write'
fs/smb/server/vfs.c:555: warning: Function parameter or member 'path' not described in 'ksmbd_vfs_getattr'
fs/smb/server/vfs.c:555: warning: Function parameter or member 'stat' not described in 'ksmbd_vfs_getattr'
fs/smb/server/vfs.c:555: warning: Excess function parameter 'work' description in 'ksmbd_vfs_getattr'
fs/smb/server/vfs.c:555: warning: Excess function parameter 'fid' description in 'ksmbd_vfs_getattr'
fs/smb/server/vfs.c:555: warning: Excess function parameter 'attrs' description in 'ksmbd_vfs_getattr'
fs/smb/server/vfs.c:572: warning: Function parameter or member 'p_id' not described in 'ksmbd_vfs_fsync'
fs/smb/server/vfs.c:595: warning: Function parameter or member 'work' not described in 'ksmbd_vfs_remove_file'
fs/smb/server/vfs.c:595: warning: Function parameter or member 'path' not described in 'ksmbd_vfs_remove_file'
fs/smb/server/vfs.c:595: warning: Excess function parameter 'name' description in 'ksmbd_vfs_remove_file'
fs/smb/server/vfs.c:638: warning: Function parameter or member 'work' not described in 'ksmbd_vfs_link'
fs/smb/server/vfs.c:815: warning: Function parameter or member 'fp' not described in 'ksmbd_vfs_truncate'
fs/smb/server/vfs.c:815: warning: Excess function parameter 'fid' description in 'ksmbd_vfs_truncate'
fs/smb/server/vfs.c:856: warning: Excess function parameter 'size' description in 'ksmbd_vfs_listxattr'
fs/smb/server/vfs.c:933: warning: Function parameter or member 'path' not described in 'ksmbd_vfs_setxattr'
fs/smb/server/vfs.c:933: warning: Excess function parameter 'dentry' description in 'ksmbd_vfs_setxattr'
fs/smb/server/vfs.c:958: warning: Function parameter or member 'option' not described in 'ksmbd_vfs_set_fadvise'
fs/smb/server/vfs.c:958: warning: Excess function parameter 'options' description in 'ksmbd_vfs_set_fadvise'
fs/smb/server/vfs.c:1172: warning: Function parameter or member 'um' not described in 'ksmbd_vfs_lookup_in_dir'
fs/smb/server/vfs.c:1207: warning: Function parameter or member 'work' not described in 'ksmbd_vfs_kern_path_locked'
>> fs/smb/server/vfs.c:1207: warning: Function parameter or member 'parent_path' not described in 'ksmbd_vfs_kern_path_locked'
vim +1207 fs/smb/server/vfs.c
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1194
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1195 /**
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1196 * ksmbd_vfs_kern_path_locked() - lookup a file and get path info
265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1197 * @name: file path that is relative to share
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1198 * @flags: lookup flags
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1199 * @path: if lookup succeed, return path info
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1200 * @caseless: caseless filename lookup
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1201 *
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1202 * Return: 0 on success, otherwise error
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1203 */
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1204 int ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, char *name,
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1205 unsigned int flags, struct path *parent_path,
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1206 struct path *path, bool caseless)
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 @1207 {
265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1208 struct ksmbd_share_config *share_conf = work->tcon->share_conf;
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1209 int err;
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1210
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1211 err = ksmbd_vfs_path_lookup_locked(share_conf, name, flags, parent_path,
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1212 path);
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1213 if (!err)
cf5e7f734f4455 fs/smb/server/vfs.c Namjae Jeon 2023-05-30 1214 return 0;
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1215
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1216 if (caseless) {
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1217 char *filepath;
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1218 size_t path_len, remain_len;
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1219
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1220 filepath = kstrdup(name, GFP_KERNEL);
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1221 if (!filepath)
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1222 return -ENOMEM;
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1223
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1224 path_len = strlen(filepath);
265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1225 remain_len = path_len;
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1226
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1227 *parent_path = share_conf->vfs_path;
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1228 path_get(parent_path);
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1229
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1230 while (d_can_lookup(parent_path->dentry)) {
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1231 char *filename = filepath + path_len - remain_len;
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1232 char *next = strchrnul(filename, '/');
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1233 size_t filename_len = next - filename;
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1234 bool is_last = !next[0];
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1235
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1236 if (filename_len == 0)
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1237 break;
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1238
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1239 err = ksmbd_vfs_lookup_in_dir(parent_path, filename,
dbab80e2071ad8 fs/ksmbd/vfs.c Atte Heikkil? 2022-09-28 1240 filename_len,
dbab80e2071ad8 fs/ksmbd/vfs.c Atte Heikkil? 2022-09-28 1241 work->conn->um);
265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1242 if (err)
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1243 goto out2;
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1244
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1245 next[0] = '\0';
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1246
265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1247 err = vfs_path_lookup(share_conf->vfs_path.dentry,
265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1248 share_conf->vfs_path.mnt,
265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1249 filepath,
265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1250 flags,
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1251 path);
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1252 if (err)
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1253 goto out2;
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1254 else if (is_last)
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1255 goto out1;
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1256 path_put(parent_path);
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1257 *parent_path = *path;
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1258
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1259 next[0] = '/';
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1260 remain_len -= filename_len + 1;
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1261 }
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1262
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1263 err = -EINVAL;
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1264 out2:
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1265 path_put(parent_path);
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1266 out1:
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1267 kfree(filepath);
3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1268 }
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1269
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1270 if (!err) {
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1271 err = ksmbd_vfs_lock_parent(parent_path->dentry, path->dentry);
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1272 if (err) {
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1273 path_put(path);
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1274 path_put(parent_path);
2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1275 }
74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1276 }
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1277 return err;
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1278 }
f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1279
:::::: The code at line 1207 was first introduced by commit
:::::: f44158485826c076335d6860d35872271a83791d cifsd: add file operations
:::::: TO: Namjae Jeon <[email protected]>
:::::: CC: Steve French <[email protected]>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
2023-11-04 21:36 GMT+09:00, kernel test robot <[email protected]>:
> Hi Namjae,
Hi,
>
> FYI, the error/warning still remains.
I have fixed it:). I will apply it soon.
Thanks for your report!
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> master
> head: 90b0c2b2edd1adff742c621e246562fbefa11b70
> commit: 2b57a4322b1b14348940744fdc02f9a86cbbdbeb ksmbd: check if a mount
> point is crossed during path lookup
> date: 3 months ago
> config: sh-allyesconfig
> (https://download.01.org/0day-ci/archive/20231104/[email protected]/config)
> compiler: sh4-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build):
> (https://download.01.org/0day-ci/archive/20231104/[email protected]/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version
> of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <[email protected]>
> | Closes:
> https://lore.kernel.org/oe-kbuild-all/[email protected]/
>
> All warnings (new ones prefixed by >>):
>
> fs/smb/server/vfs.c:54: warning: Function parameter or member 'parent'
> not described in 'ksmbd_vfs_lock_parent'
> fs/smb/server/vfs.c:54: warning: Function parameter or member 'child' not
> described in 'ksmbd_vfs_lock_parent'
> fs/smb/server/vfs.c:375: warning: Function parameter or member 'fp' not
> described in 'ksmbd_vfs_read'
> fs/smb/server/vfs.c:375: warning: Excess function parameter 'fid'
> description in 'ksmbd_vfs_read'
> fs/smb/server/vfs.c:492: warning: Function parameter or member 'fp' not
> described in 'ksmbd_vfs_write'
> fs/smb/server/vfs.c:492: warning: Excess function parameter 'fid'
> description in 'ksmbd_vfs_write'
> fs/smb/server/vfs.c:555: warning: Function parameter or member 'path' not
> described in 'ksmbd_vfs_getattr'
> fs/smb/server/vfs.c:555: warning: Function parameter or member 'stat' not
> described in 'ksmbd_vfs_getattr'
> fs/smb/server/vfs.c:555: warning: Excess function parameter 'work'
> description in 'ksmbd_vfs_getattr'
> fs/smb/server/vfs.c:555: warning: Excess function parameter 'fid'
> description in 'ksmbd_vfs_getattr'
> fs/smb/server/vfs.c:555: warning: Excess function parameter 'attrs'
> description in 'ksmbd_vfs_getattr'
> fs/smb/server/vfs.c:572: warning: Function parameter or member 'p_id' not
> described in 'ksmbd_vfs_fsync'
> fs/smb/server/vfs.c:595: warning: Function parameter or member 'work' not
> described in 'ksmbd_vfs_remove_file'
> fs/smb/server/vfs.c:595: warning: Function parameter or member 'path' not
> described in 'ksmbd_vfs_remove_file'
> fs/smb/server/vfs.c:595: warning: Excess function parameter 'name'
> description in 'ksmbd_vfs_remove_file'
> fs/smb/server/vfs.c:638: warning: Function parameter or member 'work' not
> described in 'ksmbd_vfs_link'
> fs/smb/server/vfs.c:815: warning: Function parameter or member 'fp' not
> described in 'ksmbd_vfs_truncate'
> fs/smb/server/vfs.c:815: warning: Excess function parameter 'fid'
> description in 'ksmbd_vfs_truncate'
> fs/smb/server/vfs.c:856: warning: Excess function parameter 'size'
> description in 'ksmbd_vfs_listxattr'
> fs/smb/server/vfs.c:933: warning: Function parameter or member 'path' not
> described in 'ksmbd_vfs_setxattr'
> fs/smb/server/vfs.c:933: warning: Excess function parameter 'dentry'
> description in 'ksmbd_vfs_setxattr'
> fs/smb/server/vfs.c:958: warning: Function parameter or member 'option'
> not described in 'ksmbd_vfs_set_fadvise'
> fs/smb/server/vfs.c:958: warning: Excess function parameter 'options'
> description in 'ksmbd_vfs_set_fadvise'
> fs/smb/server/vfs.c:1172: warning: Function parameter or member 'um' not
> described in 'ksmbd_vfs_lookup_in_dir'
> fs/smb/server/vfs.c:1207: warning: Function parameter or member 'work'
> not described in 'ksmbd_vfs_kern_path_locked'
>>> fs/smb/server/vfs.c:1207: warning: Function parameter or member
>>> 'parent_path' not described in 'ksmbd_vfs_kern_path_locked'
>
>
> vim +1207 fs/smb/server/vfs.c
>
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1194
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1195 /**
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1196 *
> ksmbd_vfs_kern_path_locked() - lookup a file and get path info
> 265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1197 *
> @name: file path that is relative to share
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1198 *
> @flags: lookup flags
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1199 *
> @path: if lookup succeed, return path info
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1200 *
> @caseless: caseless filename lookup
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1201 *
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1202 *
> Return: 0 on success, otherwise error
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1203 */
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1204 int
> ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, char *name,
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1205
> unsigned int flags, struct path *parent_path,
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1206
> struct path *path, bool caseless)
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 @1207 {
> 265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1208 struct
> ksmbd_share_config *share_conf = work->tcon->share_conf;
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1209 int
> err;
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1210
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1211 err =
> ksmbd_vfs_path_lookup_locked(share_conf, name, flags, parent_path,
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1212
> path);
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1213 if
> (!err)
> cf5e7f734f4455 fs/smb/server/vfs.c Namjae Jeon 2023-05-30 1214 return
> 0;
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1215
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1216 if
> (caseless) {
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1217 char
> *filepath;
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1218 size_t
> path_len, remain_len;
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1219
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1220
> filepath = kstrdup(name, GFP_KERNEL);
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1221 if
> (!filepath)
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1222 return
> -ENOMEM;
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1223
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1224
> path_len = strlen(filepath);
> 265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1225
> remain_len = path_len;
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1226
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1227
> *parent_path = share_conf->vfs_path;
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1228
> path_get(parent_path);
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1229
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1230 while
> (d_can_lookup(parent_path->dentry)) {
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1231 char
> *filename = filepath + path_len - remain_len;
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1232 char
> *next = strchrnul(filename, '/');
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1233 size_t
> filename_len = next - filename;
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1234 bool
> is_last = !next[0];
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1235
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1236 if
> (filename_len == 0)
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1237
> break;
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1238
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1239 err =
> ksmbd_vfs_lookup_in_dir(parent_path, filename,
> dbab80e2071ad8 fs/ksmbd/vfs.c Atte Heikkilä 2022-09-28 1240
> filename_len,
> dbab80e2071ad8 fs/ksmbd/vfs.c Atte Heikkilä 2022-09-28 1241
> work->conn->um);
> 265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1242 if
> (err)
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1243 goto
> out2;
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1244
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1245
> next[0] = '\0';
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1246
> 265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1247 err =
> vfs_path_lookup(share_conf->vfs_path.dentry,
> 265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1248
> share_conf->vfs_path.mnt,
> 265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1249
> filepath,
> 265fd1991c1db8 fs/ksmbd/vfs.c Hyunchul Lee 2021-09-25 1250
> flags,
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1251
> path);
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1252 if
> (err)
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1253 goto
> out2;
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1254 else
> if (is_last)
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1255 goto
> out1;
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1256
> path_put(parent_path);
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1257
> *parent_path = *path;
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1258
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1259
> next[0] = '/';
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1260
> remain_len -= filename_len + 1;
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1261 }
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1262
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1263 err =
> -EINVAL;
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1264 out2:
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1265
> path_put(parent_path);
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1266 out1:
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1267
> kfree(filepath);
> 3c20378325c710 fs/cifsd/vfs.c Hyunchul Lee 2021-04-13 1268 }
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1269
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1270 if
> (!err) {
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1271 err =
> ksmbd_vfs_lock_parent(parent_path->dentry, path->dentry);
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1272 if
> (err) {
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1273
> path_put(path);
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1274
> path_put(parent_path);
> 2b57a4322b1b14 fs/smb/server/vfs.c Namjae Jeon 2023-07-17 1275 }
> 74d7970febf7e9 fs/ksmbd/vfs.c Namjae Jeon 2023-04-21 1276 }
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1277 return
> err;
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1278 }
> f44158485826c0 fs/cifsd/vfs.c Namjae Jeon 2021-03-16 1279
>
> :::::: The code at line 1207 was first introduced by commit
> :::::: f44158485826c076335d6860d35872271a83791d cifsd: add file operations
>
> :::::: TO: Namjae Jeon <[email protected]>
> :::::: CC: Steve French <[email protected]>
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
>