Merge pull request #58 from namjaejeon/cifsd-for-next (db0e04ad) · Commits · jan.koester / Linux

fs/ksmbd/oplock.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -1582,6 +1582,7 @@ void create_posix_rsp_buf(char cc, struct ksmbd_file fp)
		{
		struct create_posix_rsp *buf;
		struct inode *inode = file_inode(fp->filp);
		struct user_namespace *user_ns = file_mnt_user_ns(fp->filp);

		buf = (struct create_posix_rsp *)cc;
		memset(buf, 0, sizeof(struct create_posix_rsp));
		@@ -1612,9 +1613,9 @@ void create_posix_rsp_buf(char cc, struct ksmbd_file fp)
		buf->nlink = cpu_to_le32(inode->i_nlink);
		buf->reparse_tag = cpu_to_le32(fp->volatile_id);
		buf->mode = cpu_to_le32(inode->i_mode);
		id_to_sid(from_kuid(file_mnt_user_ns(fp->filp), inode->i_uid),
		id_to_sid(from_kuid(user_ns, inode->i_uid),
		SIDNFS_USER, (struct smb_sid *)&buf->SidBuffer[0]);
		id_to_sid(from_kgid(file_mnt_user_ns(fp->filp), inode->i_gid),
		id_to_sid(from_kgid(user_ns, inode->i_gid),
		SIDNFS_GROUP, (struct smb_sid *)&buf->SidBuffer[20]);
		}

fs/ksmbd/smb2pdu.c

+46 −32

Original line number	Diff line number	Diff line
		@@ -1615,6 +1615,7 @@ int smb2_sess_setup(struct ksmbd_work *work)
		} else if ((conn->dialect < SMB30_PROT_ID \|\|
		server_conf.flags & KSMBD_GLOBAL_FLAG_SMB3_MULTICHANNEL) &&
		(req->Flags & SMB2_SESSION_REQ_FLAG_BINDING)) {
		sess = NULL;
		rc = -EACCES;
		goto out_err;
		} else {
		@@ -2050,6 +2051,7 @@ static noinline int create_smb2_pipe(struct ksmbd_work *work)
		*/
		static int smb2_set_ea(struct smb2_ea_info eabuf, struct path path)
		{
		struct user_namespace *user_ns = mnt_user_ns(path->mnt);
		char attr_name = NULL, value;
		int rc = 0;
		int next = 0;
		@@ -2081,7 +2083,7 @@ static int smb2_set_ea(struct smb2_ea_info eabuf, struct path path)
		value = (char *)&eabuf->name + eabuf->EaNameLength + 1;

		if (!eabuf->EaValueLength) {
		rc = ksmbd_vfs_casexattr_len(mnt_user_ns(path->mnt),
		rc = ksmbd_vfs_casexattr_len(user_ns,
		path->dentry,
		attr_name,
		XATTR_USER_PREFIX_LEN +
		@@ -2089,7 +2091,7 @@ static int smb2_set_ea(struct smb2_ea_info eabuf, struct path path)

		/* delete the EA only when it exits */
		if (rc > 0) {
		rc = ksmbd_vfs_remove_xattr(mnt_user_ns(path->mnt),
		rc = ksmbd_vfs_remove_xattr(user_ns,
		path->dentry,
		attr_name);

		@@ -2104,7 +2106,7 @@ static int smb2_set_ea(struct smb2_ea_info eabuf, struct path path)
		/* if the EA doesn't exist, just do nothing. */
		rc = 0;
		} else {
		rc = ksmbd_vfs_setxattr(mnt_user_ns(path->mnt),
		rc = ksmbd_vfs_setxattr(user_ns,
		path->dentry, attr_name, value,
		le16_to_cpu(eabuf->EaValueLength), 0);
		if (rc < 0) {
		@@ -2143,6 +2145,7 @@ static noinline int smb2_set_stream_name_xattr(struct path *path,
		struct ksmbd_file *fp,
		char *stream_name, int s_type)
		{
		struct user_namespace *user_ns = mnt_user_ns(path->mnt);
		size_t xattr_stream_size;
		char *xattr_stream_name;
		int rc;
		@@ -2158,7 +2161,7 @@ static noinline int smb2_set_stream_name_xattr(struct path *path,
		fp->stream.size = xattr_stream_size;

		/* Check if there is stream prefix in xattr space */
		rc = ksmbd_vfs_casexattr_len(mnt_user_ns(path->mnt),
		rc = ksmbd_vfs_casexattr_len(user_ns,
		path->dentry,
		xattr_stream_name,
		xattr_stream_size);
		@@ -2170,8 +2173,8 @@ static noinline int smb2_set_stream_name_xattr(struct path *path,
		return -EBADF;
		}

		rc = ksmbd_vfs_setxattr(mnt_user_ns(path->mnt),
		path->dentry, xattr_stream_name, NULL, 0, 0);
		rc = ksmbd_vfs_setxattr(user_ns, path->dentry,
		xattr_stream_name, NULL, 0, 0);
		if (rc < 0)
		pr_err("Failed to store XATTR stream name :%d\n", rc);
		return 0;
		@@ -2179,6 +2182,7 @@ static noinline int smb2_set_stream_name_xattr(struct path *path,

		static int smb2_remove_smb_xattrs(struct path *path)
		{
		struct user_namespace *user_ns = mnt_user_ns(path->mnt);
		char name, xattr_list = NULL;
		ssize_t xattr_list_len;
		int err = 0;
		@@ -2201,8 +2205,7 @@ static int smb2_remove_smb_xattrs(struct path *path)
		strncmp(&name[XATTR_USER_PREFIX_LEN], STREAM_PREFIX, STREAM_PREFIX_LEN))
		continue;

		err = ksmbd_vfs_remove_xattr(mnt_user_ns(path->mnt),
		path->dentry, name);
		err = ksmbd_vfs_remove_xattr(user_ns, path->dentry, name);
		if (err)
		ksmbd_debug(SMB, "remove xattr failed : %s\n", name);
		}
		@@ -2366,6 +2369,7 @@ int smb2_open(struct ksmbd_work *work)
		struct ksmbd_share_config *share = tcon->share_conf;
		struct ksmbd_file *fp = NULL;
		struct file *filp = NULL;
		struct user_namespace *user_ns = NULL;
		struct kstat stat;
		struct create_context *context;
		struct lease_ctx_info *lc = NULL;
		@@ -2642,7 +2646,8 @@ int smb2_open(struct ksmbd_work *work)
		rc = 0;
		} else {
		file_present = true;
		generic_fillattr(mnt_user_ns(path.mnt), d_inode(path.dentry), &stat);
		user_ns = mnt_user_ns(path.mnt);
		generic_fillattr(user_ns, d_inode(path.dentry), &stat);
		}
		if (stream_name) {
		if (req->CreateOptions & FILE_DIRECTORY_FILE_LE) {
		@@ -2703,7 +2708,7 @@ int smb2_open(struct ksmbd_work *work)
		if (!file_present) {
		daccess = cpu_to_le32(GENERIC_ALL_FLAGS);
		} else {
		rc = ksmbd_vfs_query_maximal_access(mnt_user_ns(path.mnt),
		rc = ksmbd_vfs_query_maximal_access(user_ns,
		path.dentry,
		&daccess);
		if (rc)
		@@ -2734,6 +2739,7 @@ int smb2_open(struct ksmbd_work *work)
		goto err_out;

		created = true;
		user_ns = mnt_user_ns(path.mnt);
		if (ea_buf) {
		rc = smb2_set_ea(&ea_buf->ea, &path);
		if (rc == -EOPNOTSUPP)
		@@ -2747,7 +2753,7 @@ int smb2_open(struct ksmbd_work *work)
		* is already granted.
		*/
		if (daccess & ~(FILE_READ_ATTRIBUTES_LE \| FILE_READ_CONTROL_LE)) {
		rc = inode_permission(mnt_user_ns(path.mnt),
		rc = inode_permission(user_ns,
		d_inode(path.dentry),
		may_flags);
		if (rc)
		@@ -2755,7 +2761,7 @@ int smb2_open(struct ksmbd_work *work)

		if ((daccess & FILE_DELETE_LE) \|\|
		(req->CreateOptions & FILE_DELETE_ON_CLOSE_LE)) {
		rc = ksmbd_vfs_may_delete(mnt_user_ns(path.mnt),
		rc = ksmbd_vfs_may_delete(user_ns,
		path.dentry);
		if (rc)
		goto err_out;
		@@ -2819,7 +2825,7 @@ int smb2_open(struct ksmbd_work *work)
		int posix_acl_rc;
		struct inode *inode = d_inode(path.dentry);

		posix_acl_rc = ksmbd_vfs_inherit_posix_acl(mnt_user_ns(path.mnt),
		posix_acl_rc = ksmbd_vfs_inherit_posix_acl(user_ns,
		inode,
		d_inode(path.dentry->d_parent));
		if (posix_acl_rc)
		@@ -2835,7 +2841,7 @@ int smb2_open(struct ksmbd_work *work)
		rc = smb2_create_sd_buffer(work, req, &path);
		if (rc) {
		if (posix_acl_rc)
		ksmbd_vfs_set_init_posix_acl(mnt_user_ns(path.mnt),
		ksmbd_vfs_set_init_posix_acl(user_ns,
		inode);

		if (test_share_config_flag(work->tcon->share_conf,
		@@ -2858,7 +2864,7 @@ int smb2_open(struct ksmbd_work *work)
		if (!pntsd)
		goto err_out;

		rc = build_sec_desc(mnt_user_ns(path.mnt),
		rc = build_sec_desc(user_ns,
		pntsd, NULL,
		OWNER_SECINFO \|
		GROUP_SECINFO \|
		@@ -2868,7 +2874,7 @@ int smb2_open(struct ksmbd_work *work)
		posix_acl_release(fattr.cf_dacls);

		rc = ksmbd_vfs_set_sd_xattr(conn,
		mnt_user_ns(path.mnt),
		user_ns,
		path.dentry,
		pntsd,
		pntsd_size);
		@@ -2910,7 +2916,7 @@ int smb2_open(struct ksmbd_work *work)

		rc = ksmbd_vfs_getattr(&path, &stat);
		if (rc) {
		generic_fillattr(mnt_user_ns(path.mnt), d_inode(path.dentry), &stat);
		generic_fillattr(user_ns, d_inode(path.dentry), &stat);
		rc = 0;
		}

		@@ -3011,7 +3017,7 @@ int smb2_open(struct ksmbd_work *work)

		memcpy(fp->client_guid, conn->ClientGUID, SMB2_CLIENT_GUID_SIZE);

		generic_fillattr(file_mnt_user_ns(fp->filp), file_inode(fp->filp),
		generic_fillattr(user_ns, file_inode(fp->filp),
		&stat);

		rsp->StructureSize = cpu_to_le16(89);
		@@ -3064,7 +3070,7 @@ int smb2_open(struct ksmbd_work *work)
		struct create_context *mxac_ccontext;

		if (maximal_access == 0)
		ksmbd_vfs_query_maximal_access(mnt_user_ns(path.mnt),
		ksmbd_vfs_query_maximal_access(user_ns,
		path.dentry,
		&maximal_access);
		mxac_ccontext = (struct create_context *)(rsp->Buffer +
		@@ -3482,6 +3488,7 @@ static void unlock_dir(struct ksmbd_file *dir_fp)

		static int process_query_dir_entries(struct smb2_query_dir_private *priv)
		{
		struct user_namespace *user_ns = file_mnt_user_ns(priv->dir_fp->filp);
		struct kstat kstat;
		struct ksmbd_kstat ksmbd_kstat;
		int rc;
		@@ -3515,14 +3522,14 @@ static int process_query_dir_entries(struct smb2_query_dir_private *priv)
		ksmbd_kstat.kstat = &kstat;
		if (priv->info_level != FILE_NAMES_INFORMATION)
		ksmbd_vfs_fill_dentry_attrs(priv->work,
		file_mnt_user_ns(priv->dir_fp->filp),
		user_ns,
		dent,
		&ksmbd_kstat);

		rc = smb2_populate_readdir_entry(priv->work->conn,
		priv->info_level,
		priv->d_info,
		file_mnt_user_ns(priv->dir_fp->filp),
		user_ns,
		&ksmbd_kstat);
		dput(dent);
		if (rc)
		@@ -3981,6 +3988,7 @@ static int smb2_get_ea(struct ksmbd_work work, struct ksmbd_file fp,
		ssize_t buf_free_len, alignment_bytes, next_offset, rsp_data_cnt = 0;
		struct smb2_ea_info_req *ea_req = NULL;
		struct path *path;
		struct user_namespace *user_ns = file_mnt_user_ns(fp->filp);

		if (!(fp->daccess & FILE_READ_EA_LE)) {
		pr_err("Not permitted to read ext attr : 0x%x\n",
		@@ -4057,8 +4065,8 @@ static int smb2_get_ea(struct ksmbd_work work, struct ksmbd_file fp,
		buf_free_len -= (offsetof(struct smb2_ea_info, name) +
		name_len + 1);
		/* bailout if xattr can't fit in buf_free_len */
		value_len = ksmbd_vfs_getxattr(mnt_user_ns(path->mnt),
		path->dentry, name, &buf);
		value_len = ksmbd_vfs_getxattr(user_ns, path->dentry,
		name, &buf);
		if (value_len <= 0) {
		rc = -ENOENT;
		rsp->hdr.Status = STATUS_INVALID_HANDLE;
		@@ -4909,6 +4917,7 @@ static int smb2_get_info_sec(struct ksmbd_work *work,
		struct smb2_query_info_rsp rsp, void rsp_org)
		{
		struct ksmbd_file *fp;
		struct user_namespace *user_ns;
		struct smb_ntsd pntsd = (struct smb_ntsd )rsp->Buffer, *ppntsd = NULL;
		struct smb_fattr fattr = {{0}};
		struct inode *inode;
		@@ -4955,16 +4964,17 @@ static int smb2_get_info_sec(struct ksmbd_work *work,
		if (!fp)
		return -ENOENT;

		user_ns = file_mnt_user_ns(fp->filp);
		inode = file_inode(fp->filp);
		ksmbd_acls_fattr(&fattr, inode);

		if (test_share_config_flag(work->tcon->share_conf,
		KSMBD_SHARE_FLAG_ACL_XATTR))
		ksmbd_vfs_get_sd_xattr(work->conn, file_mnt_user_ns(fp->filp),
		ksmbd_vfs_get_sd_xattr(work->conn, user_ns,
		fp->filp->f_path.dentry, &ppntsd);

		rc = build_sec_desc(file_mnt_user_ns(fp->filp),
		pntsd, ppntsd, addition_info, &secdesclen, &fattr);
		rc = build_sec_desc(user_ns, pntsd, ppntsd, addition_info,
		&secdesclen, &fattr);
		posix_acl_release(fattr.cf_acls);
		posix_acl_release(fattr.cf_dacls);
		kfree(ppntsd);
		@@ -5388,6 +5398,7 @@ static int set_file_basic_info(struct ksmbd_file fp, char buf,
		struct iattr temp_attrs;
		struct file *filp;
		struct inode *inode;
		struct user_namespace *user_ns;
		int rc;

		if (!(fp->daccess & FILE_WRITE_ATTRIBUTES_LE))
		@@ -5397,6 +5408,7 @@ static int set_file_basic_info(struct ksmbd_file fp, char buf,
		attrs.ia_valid = 0;
		filp = fp->filp;
		inode = file_inode(filp);
		user_ns = file_mnt_user_ns(filp);

		if (file_info->CreationTime)
		fp->create_time = le64_to_cpu(file_info->CreationTime);
		@@ -5442,7 +5454,7 @@ static int set_file_basic_info(struct ksmbd_file fp, char buf,
		da.flags = XATTR_DOSINFO_ATTRIB \| XATTR_DOSINFO_CREATE_TIME \|
		XATTR_DOSINFO_ITIME;

		rc = ksmbd_vfs_set_dos_attrib_xattr(file_mnt_user_ns(filp),
		rc = ksmbd_vfs_set_dos_attrib_xattr(user_ns,
		filp->f_path.dentry, &da);
		if (rc)
		ksmbd_debug(SMB,
		@@ -5464,14 +5476,14 @@ static int set_file_basic_info(struct ksmbd_file fp, char buf,
		if (IS_IMMUTABLE(inode) \|\| IS_APPEND(inode))
		return -EACCES;

		rc = setattr_prepare(file_mnt_user_ns(filp), dentry, &attrs);
		rc = setattr_prepare(user_ns, dentry, &attrs);
		if (rc)
		return -EINVAL;

		inode_lock(inode);
		setattr_copy(file_mnt_user_ns(filp), inode, &attrs);
		setattr_copy(user_ns, inode, &attrs);
		attrs.ia_valid &= ~ATTR_CTIME;
		rc = notify_change(file_mnt_user_ns(filp), dentry, &attrs, NULL);
		rc = notify_change(user_ns, dentry, &attrs, NULL);
		inode_unlock(inode);
		}
		return 0;
		@@ -7201,12 +7213,14 @@ static inline int fsctl_set_sparse(struct ksmbd_work *work, u64 id,
		struct file_sparse *sparse)
		{
		struct ksmbd_file *fp;
		struct user_namespace *user_ns;
		int ret = 0;
		__le32 old_fattr;

		fp = ksmbd_lookup_fd_fast(work, id);
		if (!fp)
		return -ENOENT;
		user_ns = file_mnt_user_ns(fp->filp);

		old_fattr = fp->f_ci->m_fattr;
		if (sparse->SetSparse)
		@@ -7219,13 +7233,13 @@ static inline int fsctl_set_sparse(struct ksmbd_work *work, u64 id,
		KSMBD_SHARE_FLAG_STORE_DOS_ATTRS)) {
		struct xattr_dos_attrib da;

		ret = ksmbd_vfs_get_dos_attrib_xattr(file_mnt_user_ns(fp->filp),
		ret = ksmbd_vfs_get_dos_attrib_xattr(user_ns,
		fp->filp->f_path.dentry, &da);
		if (ret <= 0)
		goto out;

		da.attr = le32_to_cpu(fp->f_ci->m_fattr);
		ret = ksmbd_vfs_set_dos_attrib_xattr(file_mnt_user_ns(fp->filp),
		ret = ksmbd_vfs_set_dos_attrib_xattr(user_ns,
		fp->filp->f_path.dentry, &da);
		if (ret)
		fp->f_ci->m_fattr = old_fattr;

fs/ksmbd/smb_common.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -279,6 +279,7 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level,
		{
		int i, rc = 0;
		struct ksmbd_conn *conn = work->conn;
		struct user_namespace *user_ns = file_mnt_user_ns(dir->filp);

		for (i = 0; i < 2; i++) {
		struct kstat kstat;
		@@ -301,11 +302,11 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level,

		ksmbd_kstat.kstat = &kstat;
		ksmbd_vfs_fill_dentry_attrs(work,
		file_mnt_user_ns(dir->filp),
		user_ns,
		dir->filp->f_path.dentry->d_parent,
		&ksmbd_kstat);
		rc = fn(conn, info_level, d_info,
		file_mnt_user_ns(dir->filp), &ksmbd_kstat);
		user_ns, &ksmbd_kstat);
		if (rc)
		break;
		if (d_info->out_buf_len <= 0)

fs/ksmbd/smbacl.c

+14 −11

Original line number	Diff line number	Diff line
		@@ -960,12 +960,13 @@ int smb_inherit_dacl(struct ksmbd_conn *conn,
		struct smb_ntsd *parent_pntsd = NULL;
		struct smb_sid owner_sid, group_sid;
		struct dentry *parent = path->dentry->d_parent;
		struct user_namespace *user_ns = mnt_user_ns(path->mnt);
		int inherited_flags = 0, flags = 0, i, ace_cnt = 0, nt_size = 0;
		int rc = -ENOENT, num_aces, dacloffset, pntsd_type, acl_len;
		char *aces_base;
		bool is_dir = S_ISDIR(d_inode(path->dentry)->i_mode);

		acl_len = ksmbd_vfs_get_sd_xattr(conn, mnt_user_ns(path->mnt),
		acl_len = ksmbd_vfs_get_sd_xattr(conn, user_ns,
		parent, &parent_pntsd);
		if (acl_len <= 0)
		return rc;
		@@ -1097,7 +1098,7 @@ int smb_inherit_dacl(struct ksmbd_conn *conn,
		pntsd_size += sizeof(struct smb_acl) + nt_size;
		}

		ksmbd_vfs_set_sd_xattr(conn, mnt_user_ns(path->mnt),
		ksmbd_vfs_set_sd_xattr(conn, user_ns,
		path->dentry, pntsd, pntsd_size);
		kfree(pntsd);
		rc = 0;
		@@ -1124,6 +1125,7 @@ bool smb_inherit_flags(int flags, bool is_dir)
		int smb_check_perm_dacl(struct ksmbd_conn conn, struct path path,
		__le32 *pdaccess, int uid)
		{
		struct user_namespace *user_ns = mnt_user_ns(path->mnt);
		struct smb_ntsd *pntsd = NULL;
		struct smb_acl *pdacl;
		struct posix_acl *posix_acls;
		@@ -1139,7 +1141,7 @@ int smb_check_perm_dacl(struct ksmbd_conn conn, struct path path,
		char *end_of_acl;

		ksmbd_debug(SMB, "check permission using windows acl\n");
		acl_size = ksmbd_vfs_get_sd_xattr(conn, mnt_user_ns(path->mnt),
		acl_size = ksmbd_vfs_get_sd_xattr(conn, user_ns,
		path->dentry, &pntsd);
		if (acl_size <= 0 \|\| !pntsd \|\| !pntsd->dacloffset) {
		kfree(pntsd);
		@@ -1221,10 +1223,10 @@ int smb_check_perm_dacl(struct ksmbd_conn conn, struct path path,
		pa_entry = posix_acls->a_entries;
		for (i = 0; i < posix_acls->a_count; i++, pa_entry++) {
		if (pa_entry->e_tag == ACL_USER)
		id = from_kuid(mnt_user_ns(path->mnt),
		id = from_kuid(user_ns,
		pa_entry->e_uid);
		else if (pa_entry->e_tag == ACL_GROUP)
		id = from_kgid(mnt_user_ns(path->mnt),
		id = from_kgid(user_ns,
		pa_entry->e_gid);
		else
		continue;
		@@ -1282,12 +1284,13 @@ int set_info_sec(struct ksmbd_conn conn, struct ksmbd_tree_connect tcon,
		int rc;
		struct smb_fattr fattr = {{0}};
		struct inode *inode = d_inode(path->dentry);
		struct user_namespace *user_ns = mnt_user_ns(path->mnt);

		fattr.cf_uid = INVALID_UID;
		fattr.cf_gid = INVALID_GID;
		fattr.cf_mode = inode->i_mode;

		rc = parse_sec_desc(mnt_user_ns(path->mnt), pntsd, ntsd_len, &fattr);
		rc = parse_sec_desc(user_ns, pntsd, ntsd_len, &fattr);
		if (rc)
		goto out;

		@@ -1298,13 +1301,13 @@ int set_info_sec(struct ksmbd_conn conn, struct ksmbd_tree_connect tcon,
		inode->i_gid = fattr.cf_gid;
		mark_inode_dirty(inode);

		ksmbd_vfs_remove_acl_xattrs(mnt_user_ns(path->mnt), path->dentry);
		ksmbd_vfs_remove_acl_xattrs(user_ns, path->dentry);
		/* Update posix acls */
		if (fattr.cf_dacls) {
		rc = set_posix_acl(mnt_user_ns(path->mnt), inode,
		rc = set_posix_acl(user_ns, inode,
		ACL_TYPE_ACCESS, fattr.cf_acls);
		if (S_ISDIR(inode->i_mode) && fattr.cf_dacls)
		rc = set_posix_acl(mnt_user_ns(path->mnt), inode,
		rc = set_posix_acl(user_ns, inode,
		ACL_TYPE_DEFAULT, fattr.cf_dacls);
		}

		@@ -1314,8 +1317,8 @@ int set_info_sec(struct ksmbd_conn conn, struct ksmbd_tree_connect tcon,

		if (test_share_config_flag(tcon->share_conf, KSMBD_SHARE_FLAG_ACL_XATTR)) {
		/* Update WinACL in xattr */
		ksmbd_vfs_remove_sd_xattrs(mnt_user_ns(path->mnt), path->dentry);
		ksmbd_vfs_set_sd_xattr(conn, mnt_user_ns(path->mnt),
		ksmbd_vfs_remove_sd_xattrs(user_ns, path->dentry);
		ksmbd_vfs_set_sd_xattr(conn, user_ns,
		path->dentry, pntsd, ntsd_len);
		}

fs/ksmbd/vfs.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -406,6 +406,7 @@ static int ksmbd_vfs_stream_write(struct ksmbd_file fp, char buf, loff_t *pos,
		size_t count)
		{
		char stream_buf = NULL, wbuf;
		struct user_namespace *user_ns = file_mnt_user_ns(fp->filp);
		size_t size, v_len;
		int err = 0;

		@@ -418,7 +419,7 @@ static int ksmbd_vfs_stream_write(struct ksmbd_file fp, char buf, loff_t *pos,
		count = (*pos + count) - XATTR_SIZE_MAX;
		}

		v_len = ksmbd_vfs_getcasexattr(file_mnt_user_ns(fp->filp),
		v_len = ksmbd_vfs_getcasexattr(user_ns,
		fp->filp->f_path.dentry,
		fp->stream.name,
		fp->stream.size,
		@@ -444,7 +445,7 @@ static int ksmbd_vfs_stream_write(struct ksmbd_file fp, char buf, loff_t *pos,

		memcpy(&stream_buf[*pos], buf, count);

		err = ksmbd_vfs_setxattr(file_mnt_user_ns(fp->filp),
		err = ksmbd_vfs_setxattr(user_ns,
		fp->filp->f_path.dentry,
		fp->stream.name,
		(void *)stream_buf,