diff options
| -rw-r--r-- | fs/smb/server/smb2pdu.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index 2df1354288e6..3f4c56a10a86 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -1370,7 +1370,8 @@ static int ntlm_negotiate(struct ksmbd_work *work, } sz = le16_to_cpu(rsp->SecurityBufferOffset); - memcpy((char *)&rsp->hdr.ProtocolId + sz, spnego_blob, spnego_blob_len); + unsafe_memcpy((char *)&rsp->hdr.ProtocolId + sz, spnego_blob, spnego_blob_len, + /* alloc is larger than blob, see smb2_allocate_rsp_buf() */); rsp->SecurityBufferLength = cpu_to_le16(spnego_blob_len); out: @@ -1453,7 +1454,9 @@ static int ntlm_authenticate(struct ksmbd_work *work, return -ENOMEM; sz = le16_to_cpu(rsp->SecurityBufferOffset); - memcpy((char *)&rsp->hdr.ProtocolId + sz, spnego_blob, spnego_blob_len); + unsafe_memcpy((char *)&rsp->hdr.ProtocolId + sz, spnego_blob, + spnego_blob_len, + /* alloc is larger than blob, see smb2_allocate_rsp_buf() */); rsp->SecurityBufferLength = cpu_to_le16(spnego_blob_len); kfree(spnego_blob); } |