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-rw-r--r--fs/smb/server/ksmbd_netlink.h3
-rw-r--r--fs/smb/server/server.c7
-rw-r--r--fs/smb/server/smb2misc.c10
-rw-r--r--fs/smb/server/smb2pdu.c86
-rw-r--r--fs/smb/server/smb_common.c19
-rw-r--r--fs/smb/server/smb_common.h2
-rw-r--r--fs/smb/server/vfs.c68
-rw-r--r--fs/smb/server/vfs.h4
8 files changed, 118 insertions, 81 deletions
diff --git a/fs/smb/server/ksmbd_netlink.h b/fs/smb/server/ksmbd_netlink.h
index fb8b2d566efb..b7521e41402e 100644
--- a/fs/smb/server/ksmbd_netlink.h
+++ b/fs/smb/server/ksmbd_netlink.h
@@ -352,7 +352,8 @@ enum KSMBD_TREE_CONN_STATUS {
#define KSMBD_SHARE_FLAG_STREAMS BIT(11)
#define KSMBD_SHARE_FLAG_FOLLOW_SYMLINKS BIT(12)
#define KSMBD_SHARE_FLAG_ACL_XATTR BIT(13)
-#define KSMBD_SHARE_FLAG_UPDATE BIT(14)
+#define KSMBD_SHARE_FLAG_UPDATE BIT(14)
+#define KSMBD_SHARE_FLAG_CROSSMNT BIT(15)
/*
* Tree connect request flags.
diff --git a/fs/smb/server/server.c b/fs/smb/server/server.c
index ced7a9e916f0..9df121bdf349 100644
--- a/fs/smb/server/server.c
+++ b/fs/smb/server/server.c
@@ -286,6 +286,7 @@ static void handle_ksmbd_work(struct work_struct *wk)
static int queue_ksmbd_work(struct ksmbd_conn *conn)
{
struct ksmbd_work *work;
+ int err;
work = ksmbd_alloc_work_struct();
if (!work) {
@@ -297,7 +298,11 @@ static int queue_ksmbd_work(struct ksmbd_conn *conn)
work->request_buf = conn->request_buf;
conn->request_buf = NULL;
- ksmbd_init_smb_server(work);
+ err = ksmbd_init_smb_server(work);
+ if (err) {
+ ksmbd_free_work_struct(work);
+ return 0;
+ }
ksmbd_conn_enqueue_request(work);
atomic_inc(&conn->r_count);
diff --git a/fs/smb/server/smb2misc.c b/fs/smb/server/smb2misc.c
index 33b7e6c4ceff..e881df1d10cb 100644
--- a/fs/smb/server/smb2misc.c
+++ b/fs/smb/server/smb2misc.c
@@ -380,13 +380,13 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work)
}
if (smb2_req_struct_sizes[command] != pdu->StructureSize2) {
- if (command == SMB2_OPLOCK_BREAK_HE &&
- le16_to_cpu(pdu->StructureSize2) != OP_BREAK_STRUCT_SIZE_20 &&
- le16_to_cpu(pdu->StructureSize2) != OP_BREAK_STRUCT_SIZE_21) {
+ if (!(command == SMB2_OPLOCK_BREAK_HE &&
+ (le16_to_cpu(pdu->StructureSize2) == OP_BREAK_STRUCT_SIZE_20 ||
+ le16_to_cpu(pdu->StructureSize2) == OP_BREAK_STRUCT_SIZE_21))) {
/* special case for SMB2.1 lease break message */
ksmbd_debug(SMB,
- "Illegal request size %d for oplock break\n",
- le16_to_cpu(pdu->StructureSize2));
+ "Illegal request size %u for command %d\n",
+ le16_to_cpu(pdu->StructureSize2), command);
return 1;
}
}
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index cf8822103f50..a947c18915c2 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -87,9 +87,9 @@ struct channel *lookup_chann_list(struct ksmbd_session *sess, struct ksmbd_conn
*/
int smb2_get_ksmbd_tcon(struct ksmbd_work *work)
{
- struct smb2_hdr *req_hdr = smb2_get_msg(work->request_buf);
+ struct smb2_hdr *req_hdr = ksmbd_req_buf_next(work);
unsigned int cmd = le16_to_cpu(req_hdr->Command);
- int tree_id;
+ unsigned int tree_id;
if (cmd == SMB2_TREE_CONNECT_HE ||
cmd == SMB2_CANCEL_HE ||
@@ -114,7 +114,7 @@ int smb2_get_ksmbd_tcon(struct ksmbd_work *work)
pr_err("The first operation in the compound does not have tcon\n");
return -EINVAL;
}
- if (work->tcon->id != tree_id) {
+ if (tree_id != UINT_MAX && work->tcon->id != tree_id) {
pr_err("tree id(%u) is different with id(%u) in first operation\n",
tree_id, work->tcon->id);
return -EINVAL;
@@ -559,9 +559,9 @@ int smb2_allocate_rsp_buf(struct ksmbd_work *work)
*/
int smb2_check_user_session(struct ksmbd_work *work)
{
- struct smb2_hdr *req_hdr = smb2_get_msg(work->request_buf);
+ struct smb2_hdr *req_hdr = ksmbd_req_buf_next(work);
struct ksmbd_conn *conn = work->conn;
- unsigned int cmd = conn->ops->get_cmd_val(work);
+ unsigned int cmd = le16_to_cpu(req_hdr->Command);
unsigned long long sess_id;
/*
@@ -587,7 +587,7 @@ int smb2_check_user_session(struct ksmbd_work *work)
pr_err("The first operation in the compound does not have sess\n");
return -EINVAL;
}
- if (work->sess->id != sess_id) {
+ if (sess_id != ULLONG_MAX && work->sess->id != sess_id) {
pr_err("session id(%llu) is different with the first operation(%lld)\n",
sess_id, work->sess->id);
return -EINVAL;
@@ -2324,9 +2324,16 @@ next:
break;
buf_len -= next;
eabuf = (struct smb2_ea_info *)((char *)eabuf + next);
- if (next < (u32)eabuf->EaNameLength + le16_to_cpu(eabuf->EaValueLength))
+ if (buf_len < sizeof(struct smb2_ea_info)) {
+ rc = -EINVAL;
break;
+ }
+ if (buf_len < sizeof(struct smb2_ea_info) + eabuf->EaNameLength +
+ le16_to_cpu(eabuf->EaValueLength)) {
+ rc = -EINVAL;
+ break;
+ }
} while (next != 0);
kfree(attr_name);
@@ -2467,8 +2474,9 @@ static void smb2_update_xattrs(struct ksmbd_tree_connect *tcon,
}
}
-static int smb2_creat(struct ksmbd_work *work, struct path *path, char *name,
- int open_flags, umode_t posix_mode, bool is_dir)
+static int smb2_creat(struct ksmbd_work *work, struct path *parent_path,
+ struct path *path, char *name, int open_flags,
+ umode_t posix_mode, bool is_dir)
{
struct ksmbd_tree_connect *tcon = work->tcon;
struct ksmbd_share_config *share = tcon->share_conf;
@@ -2495,7 +2503,7 @@ static int smb2_creat(struct ksmbd_work *work, struct path *path, char *name,
return rc;
}
- rc = ksmbd_vfs_kern_path_locked(work, name, 0, path, 0);
+ rc = ksmbd_vfs_kern_path_locked(work, name, 0, parent_path, path, 0);
if (rc) {
pr_err("cannot get linux path (%s), err = %d\n",
name, rc);
@@ -2565,7 +2573,7 @@ int smb2_open(struct ksmbd_work *work)
struct ksmbd_tree_connect *tcon = work->tcon;
struct smb2_create_req *req;
struct smb2_create_rsp *rsp;
- struct path path;
+ struct path path, parent_path;
struct ksmbd_share_config *share = tcon->share_conf;
struct ksmbd_file *fp = NULL;
struct file *filp = NULL;
@@ -2786,7 +2794,8 @@ int smb2_open(struct ksmbd_work *work)
goto err_out1;
}
- rc = ksmbd_vfs_kern_path_locked(work, name, LOOKUP_NO_SYMLINKS, &path, 1);
+ rc = ksmbd_vfs_kern_path_locked(work, name, LOOKUP_NO_SYMLINKS,
+ &parent_path, &path, 1);
if (!rc) {
file_present = true;
@@ -2906,7 +2915,8 @@ int smb2_open(struct ksmbd_work *work)
/*create file if not present */
if (!file_present) {
- rc = smb2_creat(work, &path, name, open_flags, posix_mode,
+ rc = smb2_creat(work, &parent_path, &path, name, open_flags,
+ posix_mode,
req->CreateOptions & FILE_DIRECTORY_FILE_LE);
if (rc) {
if (rc == -ENOENT) {
@@ -3321,8 +3331,9 @@ int smb2_open(struct ksmbd_work *work)
err_out:
if (file_present || created) {
- inode_unlock(d_inode(path.dentry->d_parent));
- dput(path.dentry);
+ inode_unlock(d_inode(parent_path.dentry));
+ path_put(&path);
+ path_put(&parent_path);
}
ksmbd_revert_fsids(work);
err_out1:
@@ -4391,8 +4402,8 @@ static int get_file_basic_info(struct smb2_query_info_rsp *rsp,
}
basic_info = (struct smb2_file_basic_info *)rsp->Buffer;
- generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp),
- &stat);
+ generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS,
+ file_inode(fp->filp), &stat);
basic_info->CreationTime = cpu_to_le64(fp->create_time);
time = ksmbd_UnixTimeToNT(stat.atime);
basic_info->LastAccessTime = cpu_to_le64(time);
@@ -4417,7 +4428,7 @@ static void get_file_standard_info(struct smb2_query_info_rsp *rsp,
struct kstat stat;
inode = file_inode(fp->filp);
- generic_fillattr(file_mnt_idmap(fp->filp), inode, &stat);
+ generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, inode, &stat);
sinfo = (struct smb2_file_standard_info *)rsp->Buffer;
delete_pending = ksmbd_inode_pending_delete(fp);
@@ -4471,7 +4482,7 @@ static int get_file_all_info(struct ksmbd_work *work,
return PTR_ERR(filename);
inode = file_inode(fp->filp);
- generic_fillattr(file_mnt_idmap(fp->filp), inode, &stat);
+ generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, inode, &stat);
ksmbd_debug(SMB, "filename = %s\n", filename);
delete_pending = ksmbd_inode_pending_delete(fp);
@@ -4548,8 +4559,8 @@ static void get_file_stream_info(struct ksmbd_work *work,
int buf_free_len;
struct smb2_query_info_req *req = ksmbd_req_buf_next(work);
- generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp),
- &stat);
+ generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS,
+ file_inode(fp->filp), &stat);
file_info = (struct smb2_file_stream_info *)rsp->Buffer;
buf_free_len =
@@ -4639,8 +4650,8 @@ static void get_file_internal_info(struct smb2_query_info_rsp *rsp,
struct smb2_file_internal_info *file_info;
struct kstat stat;
- generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp),
- &stat);
+ generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS,
+ file_inode(fp->filp), &stat);
file_info = (struct smb2_file_internal_info *)rsp->Buffer;
file_info->IndexNumber = cpu_to_le64(stat.ino);
rsp->OutputBufferLength =
@@ -4665,7 +4676,7 @@ static int get_file_network_open_info(struct smb2_query_info_rsp *rsp,
file_info = (struct smb2_file_ntwrk_info *)rsp->Buffer;
inode = file_inode(fp->filp);
- generic_fillattr(file_mnt_idmap(fp->filp), inode, &stat);
+ generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, inode, &stat);
file_info->CreationTime = cpu_to_le64(fp->create_time);
time = ksmbd_UnixTimeToNT(stat.atime);
@@ -4726,8 +4737,8 @@ static void get_file_compression_info(struct smb2_query_info_rsp *rsp,
struct smb2_file_comp_info *file_info;
struct kstat stat;
- generic_fillattr(file_mnt_idmap(fp->filp), file_inode(fp->filp),
- &stat);
+ generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS,
+ file_inode(fp->filp), &stat);
file_info = (struct smb2_file_comp_info *)rsp->Buffer;
file_info->CompressedFileSize = cpu_to_le64(stat.blocks << 9);
@@ -4779,7 +4790,7 @@ static int find_file_posix_info(struct smb2_query_info_rsp *rsp,
file_info->LastAccessTime = cpu_to_le64(time);
time = ksmbd_UnixTimeToNT(inode->i_mtime);
file_info->LastWriteTime = cpu_to_le64(time);
- time = ksmbd_UnixTimeToNT(inode->i_ctime);
+ time = ksmbd_UnixTimeToNT(inode_get_ctime(inode));
file_info->ChangeTime = cpu_to_le64(time);
file_info->DosAttributes = fp->f_ci->m_fattr;
file_info->Inode = cpu_to_le64(inode->i_ino);
@@ -5422,7 +5433,7 @@ int smb2_close(struct ksmbd_work *work)
rsp->LastAccessTime = cpu_to_le64(time);
time = ksmbd_UnixTimeToNT(inode->i_mtime);
rsp->LastWriteTime = cpu_to_le64(time);
- time = ksmbd_UnixTimeToNT(inode->i_ctime);
+ time = ksmbd_UnixTimeToNT(inode_get_ctime(inode));
rsp->ChangeTime = cpu_to_le64(time);
ksmbd_fd_put(work, fp);
} else {
@@ -5545,7 +5556,7 @@ static int smb2_create_link(struct ksmbd_work *work,
struct nls_table *local_nls)
{
char *link_name = NULL, *target_name = NULL, *pathname = NULL;
- struct path path;
+ struct path path, parent_path;
bool file_present = false;
int rc;
@@ -5575,7 +5586,7 @@ static int smb2_create_link(struct ksmbd_work *work,
ksmbd_debug(SMB, "target name is %s\n", target_name);
rc = ksmbd_vfs_kern_path_locked(work, link_name, LOOKUP_NO_SYMLINKS,
- &path, 0);
+ &parent_path, &path, 0);
if (rc) {
if (rc != -ENOENT)
goto out;
@@ -5605,8 +5616,9 @@ static int smb2_create_link(struct ksmbd_work *work,
rc = -EINVAL;
out:
if (file_present) {
- inode_unlock(d_inode(path.dentry->d_parent));
+ inode_unlock(d_inode(parent_path.dentry));
path_put(&path);
+ path_put(&parent_path);
}
if (!IS_ERR(link_name))
kfree(link_name);
@@ -5644,7 +5656,7 @@ static int set_file_basic_info(struct ksmbd_file *fp,
if (file_info->ChangeTime)
attrs.ia_ctime = ksmbd_NTtimeToUnix(file_info->ChangeTime);
else
- attrs.ia_ctime = inode->i_ctime;
+ attrs.ia_ctime = inode_get_ctime(inode);
if (file_info->LastWriteTime) {
attrs.ia_mtime = ksmbd_NTtimeToUnix(file_info->LastWriteTime);
@@ -5689,7 +5701,7 @@ static int set_file_basic_info(struct ksmbd_file *fp,
return -EACCES;
inode_lock(inode);
- inode->i_ctime = attrs.ia_ctime;
+ inode_set_ctime_to_ts(inode, attrs.ia_ctime);
attrs.ia_valid &= ~ATTR_CTIME;
rc = notify_change(idmap, dentry, &attrs, NULL);
inode_unlock(inode);
@@ -6209,6 +6221,11 @@ int smb2_read(struct ksmbd_work *work)
unsigned int max_read_size = conn->vals->max_read_size;
WORK_BUFFERS(work, req, rsp);
+ if (work->next_smb2_rcv_hdr_off) {
+ work->send_no_response = 1;
+ err = -EOPNOTSUPP;
+ goto out;
+ }
if (test_share_config_flag(work->tcon->share_conf,
KSMBD_SHARE_FLAG_PIPE)) {
@@ -8609,7 +8626,8 @@ int smb3_decrypt_req(struct ksmbd_work *work)
struct smb2_transform_hdr *tr_hdr = smb2_get_msg(buf);
int rc = 0;
- if (buf_data_size < sizeof(struct smb2_hdr)) {
+ if (pdu_length < sizeof(struct smb2_transform_hdr) ||
+ buf_data_size < sizeof(struct smb2_hdr)) {
pr_err("Transform message is too small (%u)\n",
pdu_length);
return -ECONNABORTED;
diff --git a/fs/smb/server/smb_common.c b/fs/smb/server/smb_common.c
index ef20f63e55e6..c2b75d898852 100644
--- a/fs/smb/server/smb_common.c
+++ b/fs/smb/server/smb_common.c
@@ -388,26 +388,29 @@ static struct smb_version_cmds smb1_server_cmds[1] = {
[SMB_COM_NEGOTIATE_EX] = { .proc = smb1_negotiate, },
};
-static void init_smb1_server(struct ksmbd_conn *conn)
+static int init_smb1_server(struct ksmbd_conn *conn)
{
conn->ops = &smb1_server_ops;
conn->cmds = smb1_server_cmds;
conn->max_cmds = ARRAY_SIZE(smb1_server_cmds);
+ return 0;
}
-void ksmbd_init_smb_server(struct ksmbd_work *work)
+int ksmbd_init_smb_server(struct ksmbd_work *work)
{
struct ksmbd_conn *conn = work->conn;
__le32 proto;
- if (conn->need_neg == false)
- return;
-
proto = *(__le32 *)((struct smb_hdr *)work->request_buf)->Protocol;
+ if (conn->need_neg == false) {
+ if (proto == SMB1_PROTO_NUMBER)
+ return -EINVAL;
+ return 0;
+ }
+
if (proto == SMB1_PROTO_NUMBER)
- init_smb1_server(conn);
- else
- init_smb3_11_server(conn);
+ return init_smb1_server(conn);
+ return init_smb3_11_server(conn);
}
int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level,
diff --git a/fs/smb/server/smb_common.h b/fs/smb/server/smb_common.h
index aeca0f46068f..f1092519c0c2 100644
--- a/fs/smb/server/smb_common.h
+++ b/fs/smb/server/smb_common.h
@@ -427,7 +427,7 @@ bool ksmbd_smb_request(struct ksmbd_conn *conn);
int ksmbd_lookup_dialect_by_id(__le16 *cli_dialects, __le16 dialects_count);
-void ksmbd_init_smb_server(struct ksmbd_work *work);
+int ksmbd_init_smb_server(struct ksmbd_work *work);
struct ksmbd_kstat;
int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work,
diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c
index e35914457350..d48756a339a5 100644
--- a/fs/smb/server/vfs.c
+++ b/fs/smb/server/vfs.c
@@ -63,13 +63,13 @@ int ksmbd_vfs_lock_parent(struct dentry *parent, struct dentry *child)
static int ksmbd_vfs_path_lookup_locked(struct ksmbd_share_config *share_conf,
char *pathname, unsigned int flags,
+ struct path *parent_path,
struct path *path)
{
struct qstr last;
struct filename *filename;
struct path *root_share_path = &share_conf->vfs_path;
int err, type;
- struct path parent_path;
struct dentry *d;
if (pathname[0] == '\0') {
@@ -84,7 +84,7 @@ static int ksmbd_vfs_path_lookup_locked(struct ksmbd_share_config *share_conf,
return PTR_ERR(filename);
err = vfs_path_parent_lookup(filename, flags,
- &parent_path, &last, &type,
+ parent_path, &last, &type,
root_share_path);
if (err) {
putname(filename);
@@ -92,13 +92,13 @@ static int ksmbd_vfs_path_lookup_locked(struct ksmbd_share_config *share_conf,
}
if (unlikely(type != LAST_NORM)) {
- path_put(&parent_path);
+ path_put(parent_path);
putname(filename);
return -ENOENT;
}
- inode_lock_nested(parent_path.dentry->d_inode, I_MUTEX_PARENT);
- d = lookup_one_qstr_excl(&last, parent_path.dentry, 0);
+ inode_lock_nested(parent_path->dentry->d_inode, I_MUTEX_PARENT);
+ d = lookup_one_qstr_excl(&last, parent_path->dentry, 0);
if (IS_ERR(d))
goto err_out;
@@ -108,15 +108,22 @@ static int ksmbd_vfs_path_lookup_locked(struct ksmbd_share_config *share_conf,
}
path->dentry = d;
- path->mnt = share_conf->vfs_path.mnt;
- path_put(&parent_path);
- putname(filename);
+ path->mnt = mntget(parent_path->mnt);
+ if (test_share_config_flag(share_conf, KSMBD_SHARE_FLAG_CROSSMNT)) {
+ err = follow_down(path, 0);
+ if (err < 0) {
+ path_put(path);
+ goto err_out;
+ }
+ }
+
+ putname(filename);
return 0;
err_out:
- inode_unlock(parent_path.dentry->d_inode);
- path_put(&parent_path);
+ inode_unlock(d_inode(parent_path->dentry));
+ path_put(parent_path);
putname(filename);
return -ENOENT;
}
@@ -412,7 +419,8 @@ static int ksmbd_vfs_stream_write(struct ksmbd_file *fp, char *buf, loff_t *pos,
{
char *stream_buf = NULL, *wbuf;
struct mnt_idmap *idmap = file_mnt_idmap(fp->filp);
- size_t size, v_len;
+ size_t size;
+ ssize_t v_len;
int err = 0;
ksmbd_debug(VFS, "write stream data pos : %llu, count : %zd\n",
@@ -429,9 +437,9 @@ static int ksmbd_vfs_stream_write(struct ksmbd_file *fp, char *buf, loff_t *pos,
fp->stream.name,
fp->stream.size,
&stream_buf);
- if ((int)v_len < 0) {
+ if (v_len < 0) {
pr_err("not found stream in xattr : %zd\n", v_len);
- err = (int)v_len;
+ err = v_len;
goto out;
}
@@ -1194,14 +1202,14 @@ static int ksmbd_vfs_lookup_in_dir(const struct path *dir, char *name,
* Return: 0 on success, otherwise error
*/
int ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, char *name,
- unsigned int flags, struct path *path,
- bool caseless)
+ unsigned int flags, struct path *parent_path,
+ struct path *path, bool caseless)
{
struct ksmbd_share_config *share_conf = work->tcon->share_conf;
int err;
- struct path parent_path;
- err = ksmbd_vfs_path_lookup_locked(share_conf, name, flags, path);
+ err = ksmbd_vfs_path_lookup_locked(share_conf, name, flags, parent_path,
+ path);
if (!err)
return 0;
@@ -1216,10 +1224,10 @@ int ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, char *name,
path_len = strlen(filepath);
remain_len = path_len;
- parent_path = share_conf->vfs_path;
- path_get(&parent_path);
+ *parent_path = share_conf->vfs_path;
+ path_get(parent_path);
- while (d_can_lookup(parent_path.dentry)) {
+ while (d_can_lookup(parent_path->dentry)) {
char *filename = filepath + path_len - remain_len;
char *next = strchrnul(filename, '/');
size_t filename_len = next - filename;
@@ -1228,7 +1236,7 @@ int ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, char *name,
if (filename_len == 0)
break;
- err = ksmbd_vfs_lookup_in_dir(&parent_path, filename,
+ err = ksmbd_vfs_lookup_in_dir(parent_path, filename,
filename_len,
work->conn->um);
if (err)
@@ -1245,8 +1253,8 @@ int ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, char *name,
goto out2;
else if (is_last)
goto out1;
- path_put(&parent_path);
- parent_path = *path;
+ path_put(parent_path);
+ *parent_path = *path;
next[0] = '/';
remain_len -= filename_len + 1;
@@ -1254,16 +1262,17 @@ int ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, char *name,
err = -EINVAL;
out2:
- path_put(&parent_path);
+ path_put(parent_path);
out1:
kfree(filepath);
}
if (!err) {
- err = ksmbd_vfs_lock_parent(parent_path.dentry, path->dentry);
- if (err)
- dput(path->dentry);
- path_put(&parent_path);
+ err = ksmbd_vfs_lock_parent(parent_path->dentry, path->dentry);
+ if (err) {
+ path_put(path);
+ path_put(parent_path);
+ }
}
return err;
}
@@ -1650,7 +1659,8 @@ int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work,
u64 time;
int rc;
- generic_fillattr(idmap, d_inode(dentry), ksmbd_kstat->kstat);
+ generic_fillattr(idmap, STATX_BASIC_STATS, d_inode(dentry),
+ ksmbd_kstat->kstat);
time = ksmbd_UnixTimeToNT(ksmbd_kstat->kstat->ctime);
ksmbd_kstat->create_time = time;
diff --git a/fs/smb/server/vfs.h b/fs/smb/server/vfs.h
index 80039312c255..72f9fb4b48d1 100644
--- a/fs/smb/server/vfs.h
+++ b/fs/smb/server/vfs.h
@@ -115,8 +115,8 @@ int ksmbd_vfs_xattr_stream_name(char *stream_name, char **xattr_stream_name,
int ksmbd_vfs_remove_xattr(struct mnt_idmap *idmap,
const struct path *path, char *attr_name);
int ksmbd_vfs_kern_path_locked(struct ksmbd_work *work, char *name,
- unsigned int flags, struct path *path,
- bool caseless);
+ unsigned int flags, struct path *parent_path,
+ struct path *path, bool caseless);
struct dentry *ksmbd_vfs_kern_path_create(struct ksmbd_work *work,
const char *name,
unsigned int flags,
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