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-rw-r--r--source3/rpc_parse/parse_sec.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/source3/rpc_parse/parse_sec.c b/source3/rpc_parse/parse_sec.c
index e5d3a6ce43..7cc4d054fa 100644
--- a/source3/rpc_parse/parse_sec.c
+++ b/source3/rpc_parse/parse_sec.c
@@ -135,7 +135,14 @@ SEC_ACL *make_sec_acl(TALLOC_CTX *ctx, uint16 revision, int num_aces, SEC_ACE *a
dst->num_aces = num_aces;
dst->size = 8;
- if((dst->ace = (SEC_ACE *)talloc(ctx, sizeof(SEC_ACE) * num_aces )) == NULL) {
+ /* Now we need to return a non-NULL address for the ace list even
+ if the number of aces required is zero. This is because there
+ is a distinct difference between a NULL ace and an ace with zero
+ entries in it. This is achieved by always making the number of
+ bytes allocated by talloc() positive. Heh. */
+
+ if((dst->ace = (SEC_ACE *)talloc(ctx, sizeof(SEC_ACE) * num_aces + 1))
+ == NULL) {
return NULL;
}