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It is really enjoyable and exciting to contribute to SMB.

Click here to see my emails on the SMB mailing list

Click here to see my upstream Linux kernel commit history on kernel.org（The page may take a moment to load, you can directly check the patch links listed below）

1 SMB patches I have reviewed

Click here to see SMB patches reviewed by ChenXiaoSong.

2 SMB patches I have contributed

2.1 2025

• [PATCH 0/7] smb/client: update SMB1 maperror, part 2
• [PATCH 00/17] smb/client: update SMB1 maperror
• [PATCH cifs-utils v3 0/1] smbinfo: add notify subcommand

• [PATCH cifs-utils] cifs.upcall: fix calloc() argument order in main()

• [PATCH v3 0/1] smb/client: fix memory leaks
  • 67b3da8d3051 smb/client: fix memory leak in SendReceive()
  • e3a43633023e smb/client: fix memory leak in smb2_open_file()
• [PATCH v2 0/1] smb/server: fix some refcount leaks
  • f416c556997a smb/server: fix refcount leak in smb2_open()
  • 3296c3012a9d smb/server: fix refcount leak in parse_durable_handle_context()
• [PATCH] smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe()
  • 7c28f8eef5ac smb/server: call ksmbd_session_rpc_close() on error path in create_smb2_pipe()
• [PATCH v4 0/2] smb/server: fix minimum PDU size
  • 4c7d8eb9a79a smb/server: fix minimum SMB2 PDU size
  • 3b9c30eb8f5a smb/server: fix minimum SMB1 PDU size
• [PATCH v2 0/7] smb: move duplicate definitions into common header file, part 2
  • 94d5b8dbc5d9 smb: move some SMB1 definitions into common/smb1pdu.h
  • 2b6abb893e71 smb: move File Attributes definitions into common/fscc.h
  • c97503321ed3 smb: update struct duplicate_extents_to_file_ex
  • 2e0d224d8988 smb/server: add comment to FileSystemName of FileFsAttributeInformation
  • ab0347e67dac smb/client: remove DeviceType Flags and Device Characteristics definitions
  • 08c2a7d2bae9 smb: move file_notify_information to common/fscc.h
  • 6539e18517b6 smb: move SMB2 Notify Action Flags into common/smb2pdu.h
  • 9ec7629b430a smb: move notify completion filter flags into common/smb2pdu.h
  • bcdd6cfaf2ec smb: add documentation references for smb2 change notify definitions
• [PATCH 00/30] smb: improve search speed of SMB1 maperror
  • a71a4aab4834 smb/client: add parentheses to NT error code definitions containing bitwise OR operator
  • a9adafd40165 smb/client: add 4 NT error code definitions
  • 98def4eb0244 smb/server: remove unused nterr.h
  • 9f99caa8950a smb/client: fix NT_STATUS_UNABLE_TO_FREE_VM value
  • b2b50fca34da smb/client: fix NT_STATUS_DEVICE_DOOR_OPEN value
  • a1237c203f17 smb/client: fix NT_STATUS_NO_DATA_DETECTED value
• [PATCH v9 0/1] smb: improve search speed of SMB2 maperror
  • d8f52650b24d smb/client: update some SMB2 status strings
  • d159702c9492 smb/client: add two elements to smb2_error_map_table array
  • 523ecd976632 smb: rename to STATUS_SMB_NO_PREAUTH_INTEGRITY_HASH_OVERLAP
  • bf80d1517dc8 smb/client: remove unused elements from smb2_error_map_table array
  • 6c1eb31ecb97 smb/client: reduce loop count in map_smb2_to_linux_error() by half
  • 01ab0d1640e3 smb/server: rename include guard in smb_common.h
• [PATCH v9 0/1] smb: move duplicate definitions to common header file
  • c4a2a49f7df4 smb: move FILE_SYSTEM_ATTRIBUTE_INFO to common/fscc.h
  • 5003ad718af7 smb: move create_durable_reconn to common/smb2pdu.h
  • e7e60e8bfcc5 smb: fix some warnings reported by scripts/checkpatch.pl
  • 95e8c1bfa56e smb: do some cleanups
  • 464b913993a1 smb: move FILE_SYSTEM_SIZE_INFO to common/fscc.h
  • d7edd3892d97 smb: move some duplicate struct definitions to common/fscc.h
  • 84d8d4cf8873 smb: move list of FileSystemAttributes to common/fscc.h
  • d8ac9879182a smb: move SMB_NEGOTIATE_REQ to common/smb2pdu.h
  • 1172d8598499 smb: move some duplicate definitions to common/smb2pdu.h
  • 96721fd29226 smb: move create_durable_rsp_v2 to common/smb2pdu.h
  • 81a45de432c6 smb: move create_durable_handle_reconnect_v2 to common/smb2pdu.h
  • 833a75fc9ecc smb: move create_durable_req_v2 to common/smb2pdu.h
  • 884a1d4e9c09 smb: move MAX_CIFS_SMALL_BUFFER_SIZE to common/smbglob.h
  • 4a7f96078032 smb/client: fix CAP_BULK_TRANSFER value
  • 9c98f5eec877 smb: move resume_key_ioctl_rsp to common/smb2pdu.h
  • cc26f593dc19 smb: move copychunk definitions to common/smb2pdu.h
  • 7844d50ca239 smb: move smb_sockaddr_in and smb_sockaddr_in6 to common/smb2pdu.h
  • cd311445d9f5 smb: move SMB1_PROTO_NUMBER to common/smbglob.h
  • 36c31540cf52 smb: move get_rfc1002_len() to common/smbglob.h
  • 34cf191bb6a3 smb: move smb_version_values to common/smbglob.h
  • 94b955167e3b smb: rename common/cifsglob.h to common/smbglob.h
  • d877470b5991 smb: move some duplicate definitions to common/cifsglob.h
  • CVE-2025-40285: 379510a815cb smb/server: fix possible refcount leak in smb2_sess_setup()
  • CVE-2025-40286: 6fced056d2cc smb/server: fix possible memory leak in smb2_read()
• [PATCH v2 0/6] smb/server: fix return values of smb2_0_server_cmds proc
  • 7d9f51d36b6c smb/server: update some misguided comment of smb2_0_server_cmds proc
  • a3c4445fdbbb smb/server: fix return value of smb2_oplock_break()
  • 269df046c1e1 smb/server: fix return value of smb2_ioctl()
  • dafe22bc676d smb/server: fix return value of smb2_query_dir()
  • d1a30b9ddc3d smb/server: fix return value of smb2_notify()
  • c5b462e35373 smb/server: fix return value of smb2_read()

2.2 2024

• [PATCH v2 00/12] smb: fix some bugs, move duplicate definitions to common header file, and some small cleanups
  • e2fcd3fa0351 smb: add comment to STATUS_MCA_OCCURED
  • 78181a5504a4 smb: move SMB2 Status code to common header file
  • b51174da743b smb: move some duplicate definitions to common/smbacl.h
  • 09bedafc1e2c smb/client: rename cifs_ace to smb_ace
  • 251b93ae7380 smb/client: rename cifs_acl to smb_acl
  • 7f599d8fb3e0 smb/client: rename cifs_sid to smb_sid
  • 3651487607ae smb/client: rename cifs_ntsd to smb_ntsd
  • 5e51224d2afb smb/client: fix typo: GlobalMid_Sem -> GlobalMid_Lock
  • 2b7e0573a490 smb/server: update misguided comment of smb2_allocate_rsp_buf()
  • 0dd771b7d60b smb/server: remove useless assignment of ‘file_present’ in smb2_open()
  • CVE-2024-46742: 4e8771a3666c smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()（查看分析）
  • 2186a116538a smb/server: fix return value of smb2_open()（邮件列表）
• [PATCH] ksmbd: remove duplicate SMB2 Oplock levels definitions
  • ac5399d48616 ksmbd: remove duplicate SMB2 Oplock levels definitions

2.3 2023

• [PATCH] ksmbd: fix possible refcount leak in smb2_open()
  • CVE-2023-53061: 2624b445544f ksmbd: fix possible refcount leak in smb2_open()

2.4 2022

• 502487847743 cifs: fix missing unlock in cifs_file_copychunk_range()（邮件列表）
• 542228db2f28 cifs: fix use-after-free on the link name（邮件列表）
• 2b058acecf56 cifs: return the more nuanced writeback error on close()（邮件列表）