torvalds/linux
3
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-03-22 07:27:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION

Browse Source 
Use sb->s_uuid for a proper volume identifier as the primary choice.
For filesystems that do not provide a UUID, fall back to stfs.f_fsid
obtained from vfs_statfs().

Cc: stable@vger.kernel.org
Reported-by: Hyunwoo Kim <imv4bel@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon
2026-03-13 10:01:29 +09:00
committed by Steve French
parent 282343cf8a
commit 3a64125730
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
fs/smb/server/smb2pdu.c
View File

@@ -5453,7 +5453,6 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work,
struct smb2_query_info_req *req,
struct smb2_query_info_rsp *rsp)
{
struct ksmbd_session *sess = work->sess;
struct ksmbd_conn *conn = work->conn;
struct ksmbd_share_config *share = work->tcon->share_conf;
int fsinfoclass = 0;
@@ -5590,10 +5589,11 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work,
info = (struct object_id_info *)(rsp->Buffer);
if (!user_guest(sess->user))
memcpy(info->objid, user_passkey(sess->user), 16);
if (path.mnt->mnt_sb->s_uuid_len == 16)
memcpy(info->objid, path.mnt->mnt_sb->s_uuid.b,
path.mnt->mnt_sb->s_uuid_len);
else
memset(info->objid, 0, 16);
memcpy(info->objid, &stfs.f_fsid, sizeof(stfs.f_fsid));
info->extended_info.magic = cpu_to_le32(EXTENDED_INFO_MAGIC);
info->extended_info.version = cpu_to_le32(1);