diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-05-13 08:19:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-05-13 08:19:37 +0200 |
| commit | 991919e969043a4422dfebbcadf600a5d28b94e4 (patch) | |
| tree | 4776f9f162c665a9735198fafc466d3e49a14253 /fs/smb/server/auth.c | |
| parent | 73ed6faed58e5611abfb54c2f703eec091781d63 (diff) | |
| parent | 82f2b0b97b36ee3fcddf0f0780a9a0825d52fec3 (diff) | |
Merge 6.15-rc6 into char-misc-next
We need the iio/hyperv fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/smb/server/auth.c')
| -rw-r--r-- | fs/smb/server/auth.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/smb/server/auth.c b/fs/smb/server/auth.c index 83caa38497493..b3d121052408c 100644 --- a/fs/smb/server/auth.c +++ b/fs/smb/server/auth.c @@ -550,7 +550,19 @@ int ksmbd_krb5_authenticate(struct ksmbd_session *sess, char *in_blob, retval = -ENOMEM; goto out; } - sess->user = user; + + if (!sess->user) { + /* First successful authentication */ + sess->user = user; + } else { + if (!ksmbd_compare_user(sess->user, user)) { + ksmbd_debug(AUTH, "different user tried to reuse session\n"); + retval = -EPERM; + ksmbd_free_user(user); + goto out; + } + ksmbd_free_user(user); + } memcpy(sess->sess_key, resp->payload, resp->session_key_len); memcpy(out_blob, resp->payload + resp->session_key_len, |