diff options
| author | Steve French <stfrench@microsoft.com> | 2020-07-16 00:34:21 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2020-08-02 18:00:25 -0500 |
| commit | 0a018944eee913962bce8ffebbb121960d5125d9 (patch) | |
| tree | aaab56b9c18d0cf82dd9a92baebe6794e3869baf /fs | |
| parent | baf57b56d3604880ccb3956ec6c62ea894f5de99 (diff) | |
| download | linux-0a018944eee913962bce8ffebbb121960d5125d9.tar.bz2 | |
smb3: warn on confusing error scenario with sec=krb5
When mounting with Kerberos, users have been confused about the
default error returned in scenarios in which either keyutils is
not installed or the user did not properly acquire a krb5 ticket.
Log a warning message in the case that "ENOKEY" is returned
from the get_spnego_key upcall so that users can better understand
why mount failed in those two cases.
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 2f4cdd290c46..492688764004 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1387,6 +1387,8 @@ SMB2_auth_kerberos(struct SMB2_sess_data *sess_data) spnego_key = cifs_get_spnego_key(ses); if (IS_ERR(spnego_key)) { rc = PTR_ERR(spnego_key); + if (rc == -ENOKEY) + cifs_dbg(VFS, "Verify user has a krb5 ticket and keyutils is installed\n"); spnego_key = NULL; goto out; } |