This is a note to let you know that I've just added the patch titled ksmbd: change LeaseKey data type to u8 array to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ksmbd-change-leasekey-data-type-to-u8-array.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From linkinjeon@xxxxxxxxx Mon Dec 18 16:35:41 2023 From: Namjae Jeon <linkinjeon@xxxxxxxxxx> Date: Tue, 19 Dec 2023 00:32:27 +0900 Subject: ksmbd: change LeaseKey data type to u8 array To: gregkh@xxxxxxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx Cc: smfrench@xxxxxxxxx, Namjae Jeon <linkinjeon@xxxxxxxxxx>, Steve French <stfrench@xxxxxxxxxxxxx> Message-ID: <20231218153454.8090-8-linkinjeon@xxxxxxxxxx> From: Namjae Jeon <linkinjeon@xxxxxxxxxx> [ Upstream commit 2734b692f7b8167b93498dcd698067623d4267ca ] cifs define LeaseKey as u8 array in structure. To move lease structure to smbfs_common, ksmbd change LeaseKey data type to u8 array. Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx> Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/ksmbd/oplock.c | 24 +++++++++--------------- fs/ksmbd/oplock.h | 2 -- fs/ksmbd/smb2pdu.h | 11 +++++------ 3 files changed, 14 insertions(+), 23 deletions(-) --- a/fs/ksmbd/oplock.c +++ b/fs/ksmbd/oplock.c @@ -1336,19 +1336,16 @@ __u8 smb2_map_lease_to_oplock(__le32 lea */ void create_lease_buf(u8 *rbuf, struct lease *lease) { - char *LeaseKey = (char *)&lease->lease_key; - if (lease->version == 2) { struct create_lease_v2 *buf = (struct create_lease_v2 *)rbuf; - char *ParentLeaseKey = (char *)&lease->parent_lease_key; memset(buf, 0, sizeof(struct create_lease_v2)); - buf->lcontext.LeaseKeyLow = *((__le64 *)LeaseKey); - buf->lcontext.LeaseKeyHigh = *((__le64 *)(LeaseKey + 8)); + memcpy(buf->lcontext.LeaseKey, lease->lease_key, + SMB2_LEASE_KEY_SIZE); buf->lcontext.LeaseFlags = lease->flags; buf->lcontext.LeaseState = lease->state; - buf->lcontext.ParentLeaseKeyLow = *((__le64 *)ParentLeaseKey); - buf->lcontext.ParentLeaseKeyHigh = *((__le64 *)(ParentLeaseKey + 8)); + memcpy(buf->lcontext.ParentLeaseKey, lease->parent_lease_key, + SMB2_LEASE_KEY_SIZE); buf->ccontext.DataOffset = cpu_to_le16(offsetof (struct create_lease_v2, lcontext)); buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context_v2)); @@ -1363,8 +1360,7 @@ void create_lease_buf(u8 *rbuf, struct l struct create_lease *buf = (struct create_lease *)rbuf; memset(buf, 0, sizeof(struct create_lease)); - buf->lcontext.LeaseKeyLow = *((__le64 *)LeaseKey); - buf->lcontext.LeaseKeyHigh = *((__le64 *)(LeaseKey + 8)); + memcpy(buf->lcontext.LeaseKey, lease->lease_key, SMB2_LEASE_KEY_SIZE); buf->lcontext.LeaseFlags = lease->flags; buf->lcontext.LeaseState = lease->state; buf->ccontext.DataOffset = cpu_to_le16(offsetof @@ -1417,19 +1413,17 @@ struct lease_ctx_info *parse_lease_state if (sizeof(struct lease_context_v2) == le32_to_cpu(cc->DataLength)) { struct create_lease_v2 *lc = (struct create_lease_v2 *)cc; - *((__le64 *)lreq->lease_key) = lc->lcontext.LeaseKeyLow; - *((__le64 *)(lreq->lease_key + 8)) = lc->lcontext.LeaseKeyHigh; + memcpy(lreq->lease_key, lc->lcontext.LeaseKey, SMB2_LEASE_KEY_SIZE); lreq->req_state = lc->lcontext.LeaseState; lreq->flags = lc->lcontext.LeaseFlags; lreq->duration = lc->lcontext.LeaseDuration; - *((__le64 *)lreq->parent_lease_key) = lc->lcontext.ParentLeaseKeyLow; - *((__le64 *)(lreq->parent_lease_key + 8)) = lc->lcontext.ParentLeaseKeyHigh; + memcpy(lreq->parent_lease_key, lc->lcontext.ParentLeaseKey, + SMB2_LEASE_KEY_SIZE); lreq->version = 2; } else { struct create_lease *lc = (struct create_lease *)cc; - *((__le64 *)lreq->lease_key) = lc->lcontext.LeaseKeyLow; - *((__le64 *)(lreq->lease_key + 8)) = lc->lcontext.LeaseKeyHigh; + memcpy(lreq->lease_key, lc->lcontext.LeaseKey, SMB2_LEASE_KEY_SIZE); lreq->req_state = lc->lcontext.LeaseState; lreq->flags = lc->lcontext.LeaseFlags; lreq->duration = lc->lcontext.LeaseDuration; --- a/fs/ksmbd/oplock.h +++ b/fs/ksmbd/oplock.h @@ -28,8 +28,6 @@ #define OPLOCK_WRITE_TO_NONE 0x04 #define OPLOCK_READ_TO_NONE 0x08 -#define SMB2_LEASE_KEY_SIZE 16 - struct lease_ctx_info { __u8 lease_key[SMB2_LEASE_KEY_SIZE]; __le32 req_state; --- a/fs/ksmbd/smb2pdu.h +++ b/fs/ksmbd/smb2pdu.h @@ -734,22 +734,21 @@ struct create_posix_rsp { #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02) +#define SMB2_LEASE_KEY_SIZE 16 + struct lease_context { - __le64 LeaseKeyLow; - __le64 LeaseKeyHigh; + __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; __le32 LeaseState; __le32 LeaseFlags; __le64 LeaseDuration; } __packed; struct lease_context_v2 { - __le64 LeaseKeyLow; - __le64 LeaseKeyHigh; + __u8 LeaseKey[SMB2_LEASE_KEY_SIZE]; __le32 LeaseState; __le32 LeaseFlags; __le64 LeaseDuration; - __le64 ParentLeaseKeyLow; - __le64 ParentLeaseKeyHigh; + __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE]; __le16 Epoch; __le16 Reserved; } __packed; Patches currently in stable-queue which might be from linkinjeon@xxxxxxxxx are queue-5.15/ksmbd-fix-uaf-issue-from-opinfo-conn.patch queue-5.15/ksmbd-fix-race-condition-from-parallel-smb2-lock-requests.patch queue-5.15/ksmbd-validate-session-id-and-tree-id-in-compound-request.patch queue-5.15/ksmbd-reorganize-ksmbd_iov_pin_rsp.patch queue-5.15/ksmbd-convert-to-use-sysfs_emit-sysfs_emit_at-apis.patch queue-5.15/ksmbd-validate-length-in-smb2_write.patch queue-5.15/ksmbd-add-support-for-key-exchange.patch queue-5.15/ksmbd-request-update-to-stale-share-config.patch queue-5.15/ksmbd-remove-generic_fillattr-use-in-smb2_open.patch queue-5.15/ksmbd-fix-uninitialized-pointer-read-in-smb2_create_link.patch queue-5.15/ksmbd-set-smb2_session_flag_encrypt_data-when-enforcing-data-encryption-for-this-share.patch queue-5.15/ksmbd-constify-struct-path.patch queue-5.15/ksmbd-casefold-utf-8-share-names-and-fix-ascii-lowercase-conversion.patch queue-5.15/ksmbd-validate-smb-request-protocol-id.patch queue-5.15/ksmbd-avoid-out-of-bounds-access-in-decode_preauth_ctxt.patch queue-5.15/ksmbd-release-interim-response-after-sending-status-pending-response.patch queue-5.15/ksmbd-fix-racy-issue-under-cocurrent-smb2-tree-disconnect.patch queue-5.15/ksmbd-fix-out-of-bounds-read-in-smb2_sess_setup.patch queue-5.15/ksmbd-decrease-the-number-of-smb3-smbdirect-server-sges.patch queue-5.15/ksmbd-make-utf-8-file-name-comparison-work-in-__caseless_lookup.patch queue-5.15/ksmbd-use-f_setlk-when-unlocking-a-file.patch queue-5.15/fs-introduce-lock_rename_child-helper.patch queue-5.15/ksmbd-use-kzalloc-instead-of-__gfp_zero.patch queue-5.15/ksmbd-set-ntlmssp_negotiate_seal-flag-to-challenge-blob.patch queue-5.15/ksmbd-call-ib_drain_qp-when-disconnected.patch queue-5.15/ksmbd-fix-posix_acls-and-acls-dereferencing-possible-err_ptr.patch queue-5.15/ksmbd-destroy-expired-sessions.patch queue-5.15/ksmbd-fix-resource-leak-in-smb2_lock.patch queue-5.15/ksmbd-check-iov-vector-index-in-ksmbd_conn_write.patch queue-5.15/ksmbd-hide-socket-error-message-when-ipv6-config-is-disable.patch queue-5.15/ksmbd-use-netif_is_bridge_port.patch queue-5.15/ksmbd-smbd-simplify-tracking-pending-packets.patch queue-5.15/ksmbd-implements-sess-rpc_handle_list-as-xarray.patch queue-5.15/ksmbd-remove-duplicate-flag-set-in-smb2_write.patch queue-5.15/ksmbd-separately-allocate-ci-per-dentry.patch queue-5.15/ksmbd-fix-racy-issue-from-session-setup-and-logoff.patch queue-5.15/ksmbd-fix-race-condition-between-session-lookup-and-expire.patch queue-5.15/ksmbd-fix-wrong-smbd-max-read-write-size-check.patch queue-5.15/ksmbd-replace-usage-of-found-with-dedicated-list-iterator-variable.patch queue-5.15/ksmbd-add-support-for-surrogate-pair-conversion.patch queue-5.15/ksmbd-reduce-server-smbdirect-max-send-receive-segment-sizes.patch queue-5.15/ksmbd-fix-force-create-mode-and-force-directory-mode.patch queue-5.15/ksmbd-remove-unneeded-mark_inode_dirty-in-set_info_sec.patch queue-5.15/ksmbd-fix-potential-double-free-on-smb2_read_pipe-error-path.patch queue-5.15/ksmbd-remove-unused-ksmbd_tree_conn_share-function.patch queue-5.15/ksmbd-block-asynchronous-requests-when-making-a-delay-on-session-setup.patch queue-5.15/ksmbd-call-putname-after-using-the-last-component.patch queue-5.15/ksmbd-don-t-open-code-file_path.patch queue-5.15/ksmbd-fix-passing-freed-memory-aux_payload_buf.patch queue-5.15/ksmbd-fill-sids-in-smb_find_file_posix_info-response.patch queue-5.15/ksmbd-don-t-open-code-pd.patch queue-5.15/ksmbd-shorten-experimental-warning-on-loading-the-module.patch queue-5.15/ksmbd-remove-filename-in-ksmbd_file.patch queue-5.15/ksmbd-move-oplock-handling-after-unlock-parent-dir.patch queue-5.15/ksmbd-fix-race-condition-between-tree-conn-lookup-and-disconnect.patch queue-5.15/ksmbd-smbd-introduce-read-write-credits-for-rdma-read-write.patch queue-5.15/ksmbd-fix-slab-out-of-bounds-in-init_smb2_rsp_hdr.patch queue-5.15/ksmbd-fix-recursive-locking-in-vfs-helpers.patch queue-5.15/ksmbd-fix-some-kernel-doc-comments.patch queue-5.15/ksmbd-use-struct_size-helper-in-ksmbd_negotiate_smb_dialect.patch queue-5.15/ksmbd-smbd-relax-the-count-of-sges-required.patch queue-5.15/ksmbd-fix-wrong-error-response-status-by-using-set_smb2_rsp_status.patch queue-5.15/ksmbd-fix-spelling-mistake-excceed-exceeded.patch queue-5.15/ksmbd-fix-null-pointer-dereferences-in-ksmbd_update_fstate.patch queue-5.15/ksmbd-fix-encryption-failure-issue-for-session-logoff-response.patch queue-5.15/ksmbd-prevent-memory-leak-on-error-return.patch queue-5.15/ksmbd-fix-racy-issue-from-using-d_parent-and-d_name.patch queue-5.15/ksmbd-change-security-id-to-the-one-samba-used-for-posix-extension.patch queue-5.15/ksmbd-handle-malformed-smb1-message.patch queue-5.15/ksmbd-don-t-update-op_state-as-oplock_state_none-on-error.patch queue-5.15/ksmbd-smbd-fix-connection-dropped-issue.patch queue-5.15/ksmbd-fix-racy-issue-from-smb2-close-and-logoff-with-multichannel.patch queue-5.15/ksmbd-change-the-return-value-of-ksmbd_vfs_query_maximal_access-to-void.patch queue-5.15/ksmbd-fix-slub-overflow-in-ksmbd_decode_ntlmssp_auth_blob.patch queue-5.15/ksmbd-replace-one-element-array-with-flexible-array-member.patch queue-5.15/ksmbd-fix-uninitialized-pointer-read-in-ksmbd_vfs_rename.patch queue-5.15/ksmbd-replace-one-element-arrays-with-flexible-array-members.patch queue-5.15/ksmbd-fix-unsigned-expression-compared-with-zero.patch queue-5.15/ksmbd-implements-sess-ksmbd_chann_list-as-xarray.patch queue-5.15/ksmbd-set-file-permission-mode-to-match-samba-server-posix-extension-behavior.patch queue-5.15/ksmbd-fix-wrong-interim-response-on-compound.patch queue-5.15/ksmbd-return-invalid-parameter-error-response-if-smb2-request-is-invalid.patch queue-5.15/ksmbd-smbd-validate-buffer-descriptor-structures.patch queue-5.15/ksmbd-fix-missing-rdma-capable-flag-for-ipoib-device-in-ksmbd_rdma_capable_netdev.patch queue-5.15/ksmbd-send-proper-error-response-in-smb2_tree_connect.patch queue-5.15/ksmbd-set-negotiatecontextcount-once-instead-of-every-inc.patch queue-5.15/ksmbd-fix-typo-syncronous-synchronous.patch queue-5.15/ksmbd-validate-share-name-from-share-config-response.patch queue-5.15/ksmbd-fix-possible-deadlock-in-smb2_open.patch queue-5.15/ksmbd-fix-multiple-out-of-bounds-read-during-context-decoding.patch queue-5.15/ksmbd-add-missing-calling-smb2_set_err_rsp-on-error.patch queue-5.15/ksmbd-remove-unused-ksmbd_share_configs_cleanup-function.patch queue-5.15/ksmbd-fix-out-of-bound-read-in-parse_lease_state.patch queue-5.15/ksmbd-remove-duplicated-codes.patch queue-5.15/ksmbd-remove-a-redundant-zeroing-of-memory.patch queue-5.15/ksmbd-change-leasekey-data-type-to-u8-array.patch queue-5.15/ksmbd-add-support-for-read-compound.patch queue-5.15/ksmbd-fix-kernel-doc-comment-of-ksmbd_vfs_setxattr.patch queue-5.15/ksmbd-remove-unused-compression-negotiate-ctx-packing.patch queue-5.15/ksmbd-switch-to-use-kmemdup_nul-helper.patch queue-5.15/ksmbd-fix-race-condition-from-parallel-smb2-logoff-requests.patch queue-5.15/ksmbd-fix-out-of-bound-read-in-deassemble_neg_contexts.patch queue-5.15/ksmbd-remove-unnecessary-generic_fillattr-in-smb2_open.patch queue-5.15/ksmbd-avoid-duplicate-negotiate-ctx-offset-increments.patch queue-5.15/ksmbd-remove-experimental-warning.patch queue-5.15/ksmbd-return-a-literal-instead-of-err-in-ksmbd_vfs_kern_path_locked.patch queue-5.15/ksmbd-smbd-change-prototypes-of-rdma-read-write-related-functions.patch queue-5.15/ksmbd-fix-out-of-bounds-in-init_smb2_rsp_hdr.patch queue-5.15/ksmbd-fix-possible-memory-leak-in-smb2_lock.patch queue-5.15/ksmbd-remove-unused-field-in-ksmbd_user-struct.patch queue-5.15/ksmbd-fix-one-kernel-doc-comment.patch queue-5.15/ksmbd-no-need-to-wait-for-binded-connection-termination-at-logoff.patch queue-5.15/ksmbd-fix-race-condition-with-fp.patch queue-5.15/ksmbd-fix-wrong-signingkey-creation-when-encryption-is-aes256.patch queue-5.15/ksmbd-update-kconfig-to-note-kerberos-support-and-fix-indentation.patch queue-5.15/ksmbd-move-setting-smb2_flags_async_command-and-asyncid.patch queue-5.15/smb3-fix-ksmbd-bigendian-bug-in-oplock-break-and-move-its-struct-to-smbfs_common.patch queue-5.15/ksmbd-store-fids-as-opaque-u64-integers.patch queue-5.15/ksmbd-delete-asynchronous-work-from-list.patch queue-5.15/ksmbd-use-kvzalloc-instead-of-kvmalloc.patch queue-5.15/ksmbd-smbd-change-the-return-value-of-get_sg_list.patch queue-5.15/ksmbd-add-missing-compound-request-handing-in-some-commands.patch queue-5.15/ksmbd-remove-unused-is_char_allowed-function.patch queue-5.15/ksmbd-use-oid-registry-functions-to-decode-oids.patch queue-5.15/ksmbd-fix-kernel-doc-comment-of-ksmbd_vfs_kern_path_locked.patch queue-5.15/ksmbd-use-wait_event-instead-of-schedule_timeout.patch queue-5.15/ksmbd-check-if-a-mount-point-is-crossed-during-path-lookup.patch queue-5.15/ksmbd-replace-the-ternary-conditional-operator-with-min.patch