On 9/14/20 2:16 PM, Andrey Ryabinin wrote:
> @@ -96,7 +97,8 @@ static void user_free_payload_rcu(struct rcu_head *head)
> struct user_key_payload *payload;
>
> payload = container_of(head, struct user_key_payload, rcu);
> - kzfree(payload);
can payload be NULL here?
> + memset(payload, 0, sizeof(*payload) + payload->datalen);
> + kvfree(payload);
> }
>
> /*
> @@ -182,7 +184,8 @@ void user_destroy(struct key *key)
> {
> struct user_key_payload *upayload = key->payload.data;
>
> - kzfree(upayload);
... and here too
> + memset(upayload, 0, sizeof(*upayload) + upayload->datalen);
> + kvfree(upayload);
> }
>
> EXPORT_SYMBOL_GPL(user_destroy);
>
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