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-rw-r--r--source3/libsmb/ntlmssp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/source3/libsmb/ntlmssp.c b/source3/libsmb/ntlmssp.c
index e76ad75e6e..a314aa15db 100644
--- a/source3/libsmb/ntlmssp.c
+++ b/source3/libsmb/ntlmssp.c
@@ -172,6 +172,9 @@ static NTSTATUS ntlmssp_server_negotiate(struct ntlmssp_state *ntlmssp_state,
target_name = ntlmssp_target_name(ntlmssp_state,
neg_flags, &chal_flags);
+ if (target_name == NULL)
+ return NT_STATUS_INVALID_PARAMETER;
+
/* This should be a 'netbios domain -> DNS domain' mapping */
dnsdomname[0] = '\0';
get_mydomname(dnsdomname);