linux-kernel - [PATCH 03/10] smb: add two elements to smb2_error_map

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Message-ID: <20251204045818.2590727-4-chenxiaosong.chenxiaosong@linux.dev>
Date: Thu,  4 Dec 2025 12:58:11 +0800
From: chenxiaosong.chenxiaosong@...ux.dev
To: sfrench@...ba.org,
	smfrench@...il.com,
	linkinjeon@...nel.org,
	linkinjeon@...ba.org
Cc: linux-cifs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	chenxiaosong@...nxiaosong.com,
	ChenXiaoSong <chenxiaosong@...inos.cn>
Subject: [PATCH 03/10] smb: add two elements to smb2_error_map_table array

From: ChenXiaoSong <chenxiaosong@...inos.cn>

Both status codes are mapped to -EIO.

STATUS_NO_PREAUTH_INTEGRITY_HASH_OVERLAP -> STATUS_SMB_NO_PREAUTH_INTEGRITY_HASH_OVERLAP,
to keep it consistent with the documentation.

Signed-off-by: ChenXiaoSong <chenxiaosong@...inos.cn>
---
 fs/smb/client/smb2maperror.c | 3 +++
 fs/smb/common/smb2status.h   | 5 +++--
 fs/smb/server/smb2pdu.c      | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/fs/smb/client/smb2maperror.c b/fs/smb/client/smb2maperror.c
index 118e32cc8edc..a77467d2d81c 100644
--- a/fs/smb/client/smb2maperror.c
+++ b/fs/smb/client/smb2maperror.c
@@ -734,6 +734,7 @@ static const struct status_to_posix_error smb2_error_map_table[] = {
 	{STATUS_FS_DRIVER_REQUIRED, -EOPNOTSUPP, "STATUS_FS_DRIVER_REQUIRED"},
 	{STATUS_IMAGE_ALREADY_LOADED_AS_DLL, -EIO,
 	"STATUS_IMAGE_ALREADY_LOADED_AS_DLL"},
+	{STATUS_INVALID_LOCK_RANGE, -EIO, "STATUS_INVALID_LOCK_RANGE"},
 	{STATUS_NETWORK_OPEN_RESTRICTION, -EIO,
 	"STATUS_NETWORK_OPEN_RESTRICTION"},
 	{STATUS_NO_USER_SESSION_KEY, -EIO, "STATUS_NO_USER_SESSION_KEY"},
@@ -2413,6 +2414,8 @@ static const struct status_to_posix_error smb2_error_map_table[] = {
 	{STATUS_IPSEC_INTEGRITY_CHECK_FAILED, -EIO,
 	"STATUS_IPSEC_INTEGRITY_CHECK_FAILED"},
 	{STATUS_IPSEC_CLEAR_TEXT_DROP, -EIO, "STATUS_IPSEC_CLEAR_TEXT_DROP"},
+	{STATUS_SMB_NO_PREAUTH_INTEGRITY_HASH_OVERLAP, -EIO,
+	"STATUS_SMB_NO_PREAUTH_INTEGRITY_HASH_OVERLAP"},
 };
 
 int
diff --git a/fs/smb/common/smb2status.h b/fs/smb/common/smb2status.h
index 14b4a5f04564..7d6b8ed304fc 100644
--- a/fs/smb/common/smb2status.h
+++ b/fs/smb/common/smb2status.h
@@ -631,6 +631,7 @@ struct ntstatus {
 #define STATUS_DOMAIN_TRUST_INCONSISTENT cpu_to_le32(0xC000019B)
 #define STATUS_FS_DRIVER_REQUIRED cpu_to_le32(0xC000019C)
 #define STATUS_IMAGE_ALREADY_LOADED_AS_DLL cpu_to_le32(0xC000019D)
+#define STATUS_INVALID_LOCK_RANGE cpu_to_le32(0xC00001A1)
 #define STATUS_NETWORK_OPEN_RESTRICTION cpu_to_le32(0xC0000201)
 #define STATUS_NO_USER_SESSION_KEY cpu_to_le32(0xC0000202)
 #define STATUS_USER_SESSION_DELETED cpu_to_le32(0xC0000203)
@@ -1773,5 +1774,5 @@ struct ntstatus {
 #define STATUS_IPSEC_INVALID_PACKET cpu_to_le32(0xC0360005)
 #define STATUS_IPSEC_INTEGRITY_CHECK_FAILED cpu_to_le32(0xC0360006)
 #define STATUS_IPSEC_CLEAR_TEXT_DROP cpu_to_le32(0xC0360007)
-#define STATUS_NO_PREAUTH_INTEGRITY_HASH_OVERLAP cpu_to_le32(0xC05D0000)
-#define STATUS_INVALID_LOCK_RANGE cpu_to_le32(0xC00001a1)
+/* See MS-SMB2 3.3.5.4 */
+#define STATUS_SMB_NO_PREAUTH_INTEGRITY_HASH_OVERLAP cpu_to_le32(0xC05D0000)
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 60839850025d..d70b4d32e8bc 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -896,7 +896,7 @@ static __le32 decode_preauth_ctxt(struct ksmbd_conn *conn,
 		return STATUS_INVALID_PARAMETER;
 
 	if (pneg_ctxt->HashAlgorithms != SMB2_PREAUTH_INTEGRITY_SHA512)
-		return STATUS_NO_PREAUTH_INTEGRITY_HASH_OVERLAP;
+		return STATUS_SMB_NO_PREAUTH_INTEGRITY_HASH_OVERLAP;
 
 	conn->preauth_info->Preauth_HashId = SMB2_PREAUTH_INTEGRITY_SHA512;
 	return STATUS_SUCCESS;
-- 
2.43.0