We were assuming the wrong size for the struct, use the ksmbd version of this struct and move it to common code. -- Thanks, Steve
From b1e5a95a07cdcc755a00ee0c3fc9187b77109c1f Mon Sep 17 00:00:00 2001 From: Steve French <stfrench@xxxxxxxxxxxxx> Date: Fri, 28 Apr 2023 00:21:10 -0500 Subject: [PATCH] smb3: fix incorrect size for query_on_disk_id open context We were assuming the wrong size for the struct, use the ksmbd version of this struct and move it to common code. Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> --- fs/cifs/smb2pdu.c | 2 +- fs/ksmbd/smb2pdu.h | 8 -------- fs/smbfs_common/smb2pdu.h | 11 +++++++++++ 3 files changed, 12 insertions(+), 9 deletions(-) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 281e0b12658d..0521aa1da644 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -2063,7 +2063,7 @@ create_reconnect_durable_buf(struct cifs_fid *fid) static void parse_query_id_ctxt(struct create_context *cc, struct smb2_file_all_info *buf) { - struct create_on_disk_id *pdisk_id = (struct create_on_disk_id *)cc; + struct create_disk_id_rsp *pdisk_id = (struct create_disk_id_rsp *)cc; cifs_dbg(FYI, "parse query id context 0x%llx 0x%llx\n", pdisk_id->DiskFileId, pdisk_id->VolumeId); diff --git a/fs/ksmbd/smb2pdu.h b/fs/ksmbd/smb2pdu.h index 9420dd2813fb..bcf71fd4dc1e 100644 --- a/fs/ksmbd/smb2pdu.h +++ b/fs/ksmbd/smb2pdu.h @@ -144,14 +144,6 @@ struct create_mxac_rsp { __le32 MaximalAccess; } __packed; -struct create_disk_id_rsp { - struct create_context ccontext; - __u8 Name[8]; - __le64 DiskFileId; - __le64 VolumeId; - __u8 Reserved[16]; -} __packed; - /* equivalent of the contents of SMB3.1.1 POSIX open context response */ struct create_posix_rsp { struct create_context ccontext; diff --git a/fs/smbfs_common/smb2pdu.h b/fs/smbfs_common/smb2pdu.h index ace133cf6072..eab801ee5cf3 100644 --- a/fs/smbfs_common/smb2pdu.h +++ b/fs/smbfs_common/smb2pdu.h @@ -1180,6 +1180,7 @@ struct create_posix { #define SMB2_LEASE_KEY_SIZE 16 +/* See MS-SMB2 2.2.13.2.8 */ struct lease_context { __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; __le32 LeaseState; @@ -1187,6 +1188,7 @@ struct lease_context { __le64 LeaseDuration; } __packed; +/* See MS-SMB2 2.2.13.2.10 */ struct lease_context_v2 { __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; __le32 LeaseState; @@ -1210,6 +1212,15 @@ struct create_lease_v2 { __u8 Pad[4]; } __packed; +/* See MS-SMB2 2.2.14.2.9 */ +struct create_disk_id_rsp { + struct create_context ccontext; + __u8 Name[8]; + __le64 DiskFileId; + __le64 VolumeId; + __u8 Reserved[16]; +} __packed; + /* See MS-SMB2 2.2.31 and 2.2.32 */ struct smb2_ioctl_req { struct smb2_hdr hdr; -- 2.34.1