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-rw-r--r--source3/smbd/sesssetup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/source3/smbd/sesssetup.c b/source3/smbd/sesssetup.c
index 520835bef7..20021ec7f7 100644
--- a/source3/smbd/sesssetup.c
+++ b/source3/smbd/sesssetup.c
@@ -400,7 +400,7 @@ static void reply_spnego_kerberos(connection_struct *conn,
if (logon_info && logon_info->info3.hdr_logon_dom.uni_str_len) {
unistr2_to_ascii(netbios_domain_name,
&logon_info->info3.uni_logon_dom,
- -1);
+ sizeof(netbios_domain_name));
domain = netbios_domain_name;
DEBUG(10, ("Mapped to [%s] (using PAC)\n", domain));