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smb: minor fix to use SMB2_NTLMV2_SESSKEY_SIZE for auth_key size 

Replaced hardcoded value 16 with SMB2_NTLMV2_SESSKEY_SIZE
in the auth_key definition and memcpy call.

Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Signed-off-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Bharath SM 2025-06-19 21:05:34 +05:30 committed by Steve French
parent 4d360cfe8c
commit 27e9d5d021
2 changed files with 2 additions and 2 deletions
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2
fs/smb/client/cifs_ioctl.h
View File

@ -61,7 +61,7 @@ struct smb_query_info {
struct smb3_key_debug_info {
__u64 Suid;
__u16 cipher_type;
__u8 auth_key[16]; /* SMB2_NTLMV2_SESSKEY_SIZE */
__u8 auth_key[SMB2_NTLMV2_SESSKEY_SIZE];
__u8 smb3encryptionkey[SMB3_SIGN_KEY_SIZE];
__u8 smb3decryptionkey[SMB3_SIGN_KEY_SIZE];
} __packed;

2
fs/smb/client/ioctl.c
View File

@ -506,7 +506,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
le16_to_cpu(tcon->ses->server->cipher_type);
pkey_inf.Suid = tcon->ses->Suid;
memcpy(pkey_inf.auth_key, tcon->ses->auth_key.response,
16 /* SMB2_NTLMV2_SESSKEY_SIZE */);
SMB2_NTLMV2_SESSKEY_SIZE);
memcpy(pkey_inf.smb3decryptionkey,
tcon->ses->smb3decryptionkey, SMB3_SIGN_KEY_SIZE);
memcpy(pkey_inf.smb3encryptionkey,