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-rw-r--r--source3/nsswitch/winbindd_rpc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/source3/nsswitch/winbindd_rpc.c b/source3/nsswitch/winbindd_rpc.c
index e05d46a936..9adc299cc6 100644
--- a/source3/nsswitch/winbindd_rpc.c
+++ b/source3/nsswitch/winbindd_rpc.c
@@ -632,6 +632,13 @@ static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
if (!NT_STATUS_IS_OK(result))
goto done;
+ if (!*num_names) {
+ names = NULL;
+ name_types = NULL;
+ sid_mem = NULL;
+ goto done;
+ }
+
/* Step #2: Convert list of rids into list of usernames. Do this
in bunches of ~1000 to avoid crashing NT4. It looks like there
is a buffer overflow or something like that lurking around