diff options
Diffstat (limited to 'fs/cifs/smb2transport.c')
| -rw-r--r-- | fs/cifs/smb2transport.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index 08b703b7a15e..20cc79e5c15d 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -602,7 +602,7 @@ int smb2_verify_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server) { unsigned int rc; - char server_response_sig[16]; + char server_response_sig[SMB2_SIGNATURE_SIZE]; struct smb2_sync_hdr *shdr = (struct smb2_sync_hdr *)rqst->rq_iov[0].iov_base; @@ -638,9 +638,11 @@ smb2_verify_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server) if (rc) return rc; - if (memcmp(server_response_sig, shdr->Signature, SMB2_SIGNATURE_SIZE)) + if (memcmp(server_response_sig, shdr->Signature, SMB2_SIGNATURE_SIZE)) { + dump_stack(); + cifs_dbg(VFS, "sign fail cmd 0x%x message id 0x%llx\n", shdr->Command, shdr->MessageId); return -EACCES; - else + } else return 0; } |